./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: 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 /storage/repos/svcomp/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.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 0040f6786a06aedabfd1d9c06a96268fa6592c87 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 09:49:37,134 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:49:37,136 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:49:37,149 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:49:37,149 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:49:37,150 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:49:37,152 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:49:37,154 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:49:37,156 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:49:37,157 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:49:37,158 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:49:37,158 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:49:37,159 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:49:37,161 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:49:37,162 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:49:37,162 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:49:37,164 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:49:37,166 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:49:37,168 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:49:37,170 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:49:37,171 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:49:37,173 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:49:37,175 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:49:37,176 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:49:37,176 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:49:37,177 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:49:37,178 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:49:37,179 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:49:37,180 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:49:37,181 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:49:37,181 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:49:37,182 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:49:37,182 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:49:37,187 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:49:37,188 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:49:37,189 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:49:37,189 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:49:37,223 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:49:37,224 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:49:37,227 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:49:37,227 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:49:37,227 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:49:37,227 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:49:37,227 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:49:37,228 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:49:37,229 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:49:37,229 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:49:37,229 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:49:37,229 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:49:37,230 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:49:37,230 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:49:37,230 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:49:37,230 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:49:37,230 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:49:37,230 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:49:37,231 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:49:37,231 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:49:37,231 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:49:37,231 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:49:37,231 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:49:37,231 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:49:37,233 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:49:37,233 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:49:37,233 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:49:37,233 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:49:37,234 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 0040f6786a06aedabfd1d9c06a96268fa6592c87 [2018-12-31 09:49:37,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:49:37,314 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:49:37,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:49:37,321 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:49:37,321 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:49:37,324 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:37,382 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06038a140/03575a36b0b84a0389908f945d9390e4/FLAG586f958e3 [2018-12-31 09:49:37,844 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:49:37,845 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:37,859 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06038a140/03575a36b0b84a0389908f945d9390e4/FLAG586f958e3 [2018-12-31 09:49:38,171 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06038a140/03575a36b0b84a0389908f945d9390e4 [2018-12-31 09:49:38,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:49:38,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:49:38,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:49:38,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:49:38,185 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:49:38,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:49:38" (1/1) ... [2018-12-31 09:49:38,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e342e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:38, skipping insertion in model container [2018-12-31 09:49:38,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:49:38" (1/1) ... [2018-12-31 09:49:38,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:49:38,274 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:49:38,689 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:49:38,708 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:49:38,862 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:49:38,899 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:49:38,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:38 WrapperNode [2018-12-31 09:49:38,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:49:38,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:49:38,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:49:38,901 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:49:38,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:38" (1/1) ... [2018-12-31 09:49:38,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:38" (1/1) ... [2018-12-31 09:49:39,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:49:39,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:49:39,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:49:39,011 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:49:39,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:38" (1/1) ... [2018-12-31 09:49:39,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:38" (1/1) ... [2018-12-31 09:49:39,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:38" (1/1) ... [2018-12-31 09:49:39,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:38" (1/1) ... [2018-12-31 09:49:39,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:38" (1/1) ... [2018-12-31 09:49:39,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:38" (1/1) ... [2018-12-31 09:49:39,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:38" (1/1) ... [2018-12-31 09:49:39,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:49:39,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:49:39,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:49:39,084 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:49:39,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:38" (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 [2018-12-31 09:49:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:49:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:49:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:49:39,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:49:40,310 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:49:40,311 INFO L280 CfgBuilder]: Removed 102 assue(true) statements. [2018-12-31 09:49:40,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:40 BoogieIcfgContainer [2018-12-31 09:49:40,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:49:40,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:49:40,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:49:40,316 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:49:40,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:49:38" (1/3) ... [2018-12-31 09:49:40,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@145af5f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:49:40, skipping insertion in model container [2018-12-31 09:49:40,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:38" (2/3) ... [2018-12-31 09:49:40,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@145af5f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:49:40, skipping insertion in model container [2018-12-31 09:49:40,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:40" (3/3) ... [2018-12-31 09:49:40,319 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:40,339 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:49:40,347 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:49:40,366 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:49:40,399 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:49:40,400 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:49:40,401 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:49:40,401 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:49:40,403 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:49:40,403 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:49:40,403 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:49:40,404 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:49:40,404 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:49:40,424 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2018-12-31 09:49:40,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 09:49:40,432 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:40,433 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:40,437 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:40,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:40,444 INFO L82 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2018-12-31 09:49:40,446 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:40,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:40,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:40,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:40,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:40,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:40,712 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:40,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:49:40,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:49:40,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:49:40,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:49:40,741 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2018-12-31 09:49:40,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:40,780 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2018-12-31 09:49:40,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:49:40,781 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-12-31 09:49:40,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:40,800 INFO L225 Difference]: With dead ends: 148 [2018-12-31 09:49:40,800 INFO L226 Difference]: Without dead ends: 73 [2018-12-31 09:49:40,804 INFO L631 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 [2018-12-31 09:49:40,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-31 09:49:40,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-12-31 09:49:40,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-12-31 09:49:40,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2018-12-31 09:49:40,861 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2018-12-31 09:49:40,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:40,862 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2018-12-31 09:49:40,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:49:40,862 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2018-12-31 09:49:40,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-31 09:49:40,863 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:40,863 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:40,864 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:40,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:40,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2018-12-31 09:49:40,864 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:40,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:40,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:40,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:40,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:41,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:41,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:49:41,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:49:41,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:49:41,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:41,094 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2018-12-31 09:49:41,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:41,118 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2018-12-31 09:49:41,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:49:41,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-12-31 09:49:41,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:41,120 INFO L225 Difference]: With dead ends: 73 [2018-12-31 09:49:41,120 INFO L226 Difference]: Without dead ends: 35 [2018-12-31 09:49:41,121 INFO L631 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 [2018-12-31 09:49:41,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-12-31 09:49:41,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-12-31 09:49:41,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-12-31 09:49:41,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2018-12-31 09:49:41,127 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2018-12-31 09:49:41,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:41,128 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2018-12-31 09:49:41,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:49:41,128 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2018-12-31 09:49:41,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-31 09:49:41,129 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:41,129 INFO L402 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] [2018-12-31 09:49:41,129 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:41,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:41,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2018-12-31 09:49:41,130 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:41,130 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:41,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:41,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:41,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:41,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:41,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:41,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:49:41,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:49:41,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:49:41,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:49:41,301 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2018-12-31 09:49:41,485 WARN L181 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-12-31 09:49:41,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:41,589 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2018-12-31 09:49:41,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:49:41,591 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-12-31 09:49:41,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:41,593 INFO L225 Difference]: With dead ends: 87 [2018-12-31 09:49:41,594 INFO L226 Difference]: Without dead ends: 58 [2018-12-31 09:49:41,595 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:49:41,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-31 09:49:41,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2018-12-31 09:49:41,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-12-31 09:49:41,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2018-12-31 09:49:41,620 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2018-12-31 09:49:41,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:41,620 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2018-12-31 09:49:41,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:49:41,621 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2018-12-31 09:49:41,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-31 09:49:41,622 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:41,622 INFO L402 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] [2018-12-31 09:49:41,623 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:41,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:41,623 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2018-12-31 09:49:41,624 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:41,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:41,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:41,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:41,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:42,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:42,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:42,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-31 09:49:42,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-31 09:49:42,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-31 09:49:42,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:49:42,377 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand 8 states. [2018-12-31 09:49:43,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:43,821 INFO L93 Difference]: Finished difference Result 335 states and 516 transitions. [2018-12-31 09:49:43,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-31 09:49:43,822 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-12-31 09:49:43,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:43,826 INFO L225 Difference]: With dead ends: 335 [2018-12-31 09:49:43,826 INFO L226 Difference]: Without dead ends: 287 [2018-12-31 09:49:43,827 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2018-12-31 09:49:43,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-12-31 09:49:43,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 136. [2018-12-31 09:49:43,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-12-31 09:49:43,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2018-12-31 09:49:43,888 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 23 [2018-12-31 09:49:43,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:43,889 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2018-12-31 09:49:43,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-31 09:49:43,889 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2018-12-31 09:49:43,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:49:43,890 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:43,890 INFO L402 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] [2018-12-31 09:49:43,895 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:43,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:43,896 INFO L82 PathProgramCache]: Analyzing trace with hash -746802105, now seen corresponding path program 1 times [2018-12-31 09:49:43,896 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:43,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:43,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:43,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:43,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:44,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:44,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:44,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:49:44,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:49:44,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:49:44,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:44,025 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 3 states. [2018-12-31 09:49:44,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:44,131 INFO L93 Difference]: Finished difference Result 245 states and 355 transitions. [2018-12-31 09:49:44,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:49:44,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-31 09:49:44,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:44,134 INFO L225 Difference]: With dead ends: 245 [2018-12-31 09:49:44,134 INFO L226 Difference]: Without dead ends: 115 [2018-12-31 09:49:44,135 INFO L631 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 [2018-12-31 09:49:44,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-12-31 09:49:44,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-12-31 09:49:44,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-12-31 09:49:44,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2018-12-31 09:49:44,167 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 24 [2018-12-31 09:49:44,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:44,167 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2018-12-31 09:49:44,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:49:44,168 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2018-12-31 09:49:44,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-31 09:49:44,173 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:44,173 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:44,176 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:44,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:44,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1392388941, now seen corresponding path program 1 times [2018-12-31 09:49:44,176 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:44,177 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:44,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:44,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:44,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:44,466 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-31 09:49:44,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:44,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:49:44,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:49:44,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:49:44,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:49:44,468 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 5 states. [2018-12-31 09:49:44,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:44,691 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2018-12-31 09:49:44,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 09:49:44,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2018-12-31 09:49:44,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:44,692 INFO L225 Difference]: With dead ends: 235 [2018-12-31 09:49:44,693 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:49:44,697 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:49:44,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:49:44,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:49:44,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:49:44,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:49:44,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2018-12-31 09:49:44,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:44,698 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:49:44,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:49:44,703 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:49:44,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:49:44,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:49:44,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:44,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:45,304 WARN L181 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-12-31 09:49:45,558 WARN L181 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-12-31 09:49:45,667 WARN L181 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 11 [2018-12-31 09:49:46,068 INFO L444 ceAbstractionStarter]: At program point L498(lines 497 516) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:46,068 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2018-12-31 09:49:46,068 INFO L444 ceAbstractionStarter]: At program point L498-2(lines 497 516) the Hoare annotation is: false [2018-12-31 09:49:46,068 INFO L444 ceAbstractionStarter]: At program point L498-3(lines 497 516) the Hoare annotation is: false [2018-12-31 09:49:46,068 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:49:46,069 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 670) no Hoare annotation was computed. [2018-12-31 09:49:46,069 INFO L444 ceAbstractionStarter]: At program point L664-1(lines 664 670) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:46,069 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 927) no Hoare annotation was computed. [2018-12-31 09:49:46,069 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-31 09:49:46,069 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 542) no Hoare annotation was computed. [2018-12-31 09:49:46,069 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 534 542) no Hoare annotation was computed. [2018-12-31 09:49:46,070 INFO L444 ceAbstractionStarter]: At program point L468(lines 1 939) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2018-12-31 09:49:46,070 INFO L448 ceAbstractionStarter]: For program point L534-2(lines 534 542) no Hoare annotation was computed. [2018-12-31 09:49:46,070 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 720) no Hoare annotation was computed. [2018-12-31 09:49:46,070 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 654) no Hoare annotation was computed. [2018-12-31 09:49:46,070 INFO L448 ceAbstractionStarter]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2018-12-31 09:49:46,070 INFO L448 ceAbstractionStarter]: For program point L650-3(lines 650 654) no Hoare annotation was computed. [2018-12-31 09:49:46,070 INFO L448 ceAbstractionStarter]: For program point L650-5(lines 650 654) no Hoare annotation was computed. [2018-12-31 09:49:46,071 INFO L448 ceAbstractionStarter]: For program point L650-6(lines 650 654) no Hoare annotation was computed. [2018-12-31 09:49:46,071 INFO L448 ceAbstractionStarter]: For program point L650-8(lines 650 654) no Hoare annotation was computed. [2018-12-31 09:49:46,071 INFO L444 ceAbstractionStarter]: At program point L601(lines 596 604) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:46,071 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-31 09:49:46,071 INFO L444 ceAbstractionStarter]: At program point L601-1(lines 596 604) the Hoare annotation is: false [2018-12-31 09:49:46,072 INFO L444 ceAbstractionStarter]: At program point L601-2(lines 596 604) the Hoare annotation is: false [2018-12-31 09:49:46,072 INFO L444 ceAbstractionStarter]: At program point L932(lines 881 933) the Hoare annotation is: false [2018-12-31 09:49:46,073 INFO L448 ceAbstractionStarter]: For program point L883(lines 882 931) no Hoare annotation was computed. [2018-12-31 09:49:46,073 INFO L451 ceAbstractionStarter]: At program point L867(lines 848 870) the Hoare annotation is: true [2018-12-31 09:49:46,073 INFO L444 ceAbstractionStarter]: At program point L834(lines 830 836) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2018-12-31 09:49:46,073 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:49:46,073 INFO L448 ceAbstractionStarter]: For program point L884(lines 884 888) no Hoare annotation was computed. [2018-12-31 09:49:46,073 INFO L444 ceAbstractionStarter]: At program point L505(lines 505 511) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:46,074 INFO L444 ceAbstractionStarter]: At program point L505-1(lines 505 511) the Hoare annotation is: false [2018-12-31 09:49:46,074 INFO L444 ceAbstractionStarter]: At program point L505-2(lines 505 511) the Hoare annotation is: false [2018-12-31 09:49:46,074 INFO L444 ceAbstractionStarter]: At program point L786-2(lines 786 800) the Hoare annotation is: false [2018-12-31 09:49:46,074 INFO L448 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2018-12-31 09:49:46,074 INFO L444 ceAbstractionStarter]: At program point L902-1(lines 902 908) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:46,074 INFO L444 ceAbstractionStarter]: At program point L770(lines 765 773) the Hoare annotation is: false [2018-12-31 09:49:46,075 INFO L444 ceAbstractionStarter]: At program point L770-1(lines 765 773) the Hoare annotation is: false [2018-12-31 09:49:46,075 INFO L448 ceAbstractionStarter]: For program point L704(lines 704 708) no Hoare annotation was computed. [2018-12-31 09:49:46,075 INFO L444 ceAbstractionStarter]: At program point L770-2(lines 765 773) the Hoare annotation is: false [2018-12-31 09:49:46,075 INFO L448 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2018-12-31 09:49:46,075 INFO L448 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2018-12-31 09:49:46,075 INFO L448 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2018-12-31 09:49:46,075 INFO L448 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2018-12-31 09:49:46,075 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:49:46,076 INFO L448 ceAbstractionStarter]: For program point L920(lines 920 926) no Hoare annotation was computed. [2018-12-31 09:49:46,076 INFO L444 ceAbstractionStarter]: At program point L920-1(lines 498 504) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:46,076 INFO L444 ceAbstractionStarter]: At program point L656(lines 641 659) the Hoare annotation is: false [2018-12-31 09:49:46,076 INFO L444 ceAbstractionStarter]: At program point L656-1(lines 641 659) the Hoare annotation is: false [2018-12-31 09:49:46,076 INFO L444 ceAbstractionStarter]: At program point L656-2(lines 641 659) the Hoare annotation is: false [2018-12-31 09:49:46,076 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2018-12-31 09:49:46,077 INFO L444 ceAbstractionStarter]: At program point L425-1(lines 1 939) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:46,077 INFO L448 ceAbstractionStarter]: For program point L425-2(lines 425 438) no Hoare annotation was computed. [2018-12-31 09:49:46,077 INFO L444 ceAbstractionStarter]: At program point L425-3(lines 1 939) the Hoare annotation is: false [2018-12-31 09:49:46,077 INFO L448 ceAbstractionStarter]: For program point L425-4(lines 425 438) no Hoare annotation was computed. [2018-12-31 09:49:46,077 INFO L444 ceAbstractionStarter]: At program point L425-5(lines 1 939) the Hoare annotation is: false [2018-12-31 09:49:46,077 INFO L444 ceAbstractionStarter]: At program point L476(lines 471 479) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2018-12-31 09:49:46,078 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-31 09:49:46,078 INFO L448 ceAbstractionStarter]: For program point L790(lines 790 794) no Hoare annotation was computed. [2018-12-31 09:49:46,078 INFO L448 ceAbstractionStarter]: For program point L790-1(lines 498 504) no Hoare annotation was computed. [2018-12-31 09:49:46,078 INFO L448 ceAbstractionStarter]: For program point L692(lines 692 696) no Hoare annotation was computed. [2018-12-31 09:49:46,078 INFO L448 ceAbstractionStarter]: For program point L692-3(lines 692 696) no Hoare annotation was computed. [2018-12-31 09:49:46,078 INFO L448 ceAbstractionStarter]: For program point L692-6(lines 692 696) no Hoare annotation was computed. [2018-12-31 09:49:46,078 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:49:46,079 INFO L448 ceAbstractionStarter]: For program point L858(lines 858 865) no Hoare annotation was computed. [2018-12-31 09:49:46,079 INFO L451 ceAbstractionStarter]: At program point L858-1(lines 858 865) the Hoare annotation is: true [2018-12-31 09:49:46,079 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2018-12-31 09:49:46,079 INFO L448 ceAbstractionStarter]: For program point L429-2(lines 429 435) no Hoare annotation was computed. [2018-12-31 09:49:46,079 INFO L448 ceAbstractionStarter]: For program point L429-4(lines 429 435) no Hoare annotation was computed. [2018-12-31 09:49:46,079 INFO L448 ceAbstractionStarter]: For program point L892(lines 892 898) no Hoare annotation was computed. [2018-12-31 09:49:46,079 INFO L444 ceAbstractionStarter]: At program point L892-1(lines 892 898) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:46,080 INFO L444 ceAbstractionStarter]: At program point L761(lines 756 764) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:49:46,080 INFO L444 ceAbstractionStarter]: At program point L761-1(lines 756 764) the Hoare annotation is: false [2018-12-31 09:49:46,080 INFO L444 ceAbstractionStarter]: At program point L761-2(lines 756 764) the Hoare annotation is: false [2018-12-31 09:49:46,080 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 547) no Hoare annotation was computed. [2018-12-31 09:49:46,080 INFO L448 ceAbstractionStarter]: For program point L530-1(lines 530 547) no Hoare annotation was computed. [2018-12-31 09:49:46,080 INFO L448 ceAbstractionStarter]: For program point L530-2(lines 530 547) no Hoare annotation was computed. [2018-12-31 09:49:46,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:49:46 BoogieIcfgContainer [2018-12-31 09:49:46,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:49:46,099 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:49:46,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:49:46,099 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:49:46,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:40" (3/4) ... [2018-12-31 09:49:46,104 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:49:46,124 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:49:46,125 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-31 09:49:46,126 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 09:49:46,127 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 09:49:46,127 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:49:46,128 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:49:46,170 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2018-12-31 09:49:46,171 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2018-12-31 09:49:46,171 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 [2018-12-31 09:49:46,171 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 [2018-12-31 09:49:46,172 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 [2018-12-31 09:49:46,172 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 [2018-12-31 09:49:46,173 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 [2018-12-31 09:49:46,173 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 [2018-12-31 09:49:46,173 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 [2018-12-31 09:49:46,174 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 [2018-12-31 09:49:46,175 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 0 == \result) && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 [2018-12-31 09:49:46,257 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:49:46,257 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:49:46,258 INFO L168 Benchmark]: Toolchain (without parser) took 8081.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.4 MB in the beginning and 836.7 MB in the end (delta: 114.7 MB). Peak memory consumption was 258.4 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:46,259 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:49:46,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:46,259 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:49:46,260 INFO L168 Benchmark]: Boogie Preprocessor took 72.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:49:46,260 INFO L168 Benchmark]: RCFGBuilder took 1227.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:46,260 INFO L168 Benchmark]: TraceAbstraction took 5786.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 843.3 MB in the end (delta: 221.5 MB). Peak memory consumption was 221.5 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:46,261 INFO L168 Benchmark]: Witness Printer took 158.23 ms. Allocated memory is still 1.2 GB. Free memory was 843.3 MB in the beginning and 836.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:46,264 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 721.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 109.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 72.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1227.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5786.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 843.3 MB in the end (delta: 221.5 MB). Peak memory consumption was 221.5 MB. Max. memory is 11.5 GB. * Witness Printer took 158.23 ms. Allocated memory is still 1.2 GB. Free memory was 843.3 MB in the beginning and 836.7 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: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: (((\result == 1 && 0 == \result) && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((\result == waterLevel && 1 == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: ((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. SAFE Result, 5.6s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 355 SDtfs, 690 SDslu, 511 SDs, 0 SdLazy, 125 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 155 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 182 HoareAnnotationTreeSize, 32 FomulaSimplifications, 5542 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 255 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 8275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 15/15 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...