./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec5_product50_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_spec5_product50_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 c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:51:11,712 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:51:11,714 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:51:11,727 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:51:11,727 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:51:11,728 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:51:11,730 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:51:11,731 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:51:11,733 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:51:11,734 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:51:11,735 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:51:11,735 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:51:11,736 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:51:11,739 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:51:11,743 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:51:11,744 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:51:11,744 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:51:11,753 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:51:11,758 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:51:11,761 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:51:11,765 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:51:11,768 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:51:11,773 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:51:11,773 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:51:11,773 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:51:11,777 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:51:11,777 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:51:11,780 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:51:11,781 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:51:11,785 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:51:11,785 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:51:11,786 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:51:11,786 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:51:11,786 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:51:11,789 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:51:11,789 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:51:11,790 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:51:11,807 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:51:11,808 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:51:11,809 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:51:11,809 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:51:11,809 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:51:11,810 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:51:11,810 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:51:11,810 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:51:11,810 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:51:11,810 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:51:11,811 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:51:11,811 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:51:11,811 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:51:11,811 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:51:11,811 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:51:11,811 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:51:11,812 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:51:11,812 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:51:11,812 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:51:11,812 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:51:11,812 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:51:11,815 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:51:11,815 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:51:11,815 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:51:11,815 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:51:11,816 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:51:11,816 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:51:11,816 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:51:11,816 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 -> c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 [2018-12-31 09:51:11,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:51:11,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:51:11,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:51:11,873 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:51:11,873 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:51:11,874 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-12-31 09:51:11,943 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c02e92015/854c7854542a425d8ffb66e8d689c6b6/FLAGff9cfeb3f [2018-12-31 09:51:12,447 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:51:12,448 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-12-31 09:51:12,462 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c02e92015/854c7854542a425d8ffb66e8d689c6b6/FLAGff9cfeb3f [2018-12-31 09:51:12,741 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c02e92015/854c7854542a425d8ffb66e8d689c6b6 [2018-12-31 09:51:12,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:51:12,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:51:12,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:51:12,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:51:12,756 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:51:12,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:51:12" (1/1) ... [2018-12-31 09:51:12,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4fbf7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:12, skipping insertion in model container [2018-12-31 09:51:12,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:51:12" (1/1) ... [2018-12-31 09:51:12,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:51:12,843 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:51:13,277 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:51:13,307 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:51:13,456 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:51:13,586 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:51:13,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:13 WrapperNode [2018-12-31 09:51:13,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:51:13,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:51:13,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:51:13,588 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:51:13,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:13" (1/1) ... [2018-12-31 09:51:13,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:13" (1/1) ... [2018-12-31 09:51:13,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:51:13,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:51:13,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:51:13,680 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:51:13,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:13" (1/1) ... [2018-12-31 09:51:13,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:13" (1/1) ... [2018-12-31 09:51:13,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:13" (1/1) ... [2018-12-31 09:51:13,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:13" (1/1) ... [2018-12-31 09:51:13,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:13" (1/1) ... [2018-12-31 09:51:13,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:13" (1/1) ... [2018-12-31 09:51:13,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:13" (1/1) ... [2018-12-31 09:51:13,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:51:13,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:51:13,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:51:13,735 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:51:13,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:13" (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 09:51:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:51:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:51:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:51:13,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:51:15,186 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:51:15,187 INFO L280 CfgBuilder]: Removed 172 assue(true) statements. [2018-12-31 09:51:15,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:51:15 BoogieIcfgContainer [2018-12-31 09:51:15,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:51:15,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:51:15,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:51:15,192 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:51:15,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:51:12" (1/3) ... [2018-12-31 09:51:15,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4504af77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:51:15, skipping insertion in model container [2018-12-31 09:51:15,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:13" (2/3) ... [2018-12-31 09:51:15,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4504af77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:51:15, skipping insertion in model container [2018-12-31 09:51:15,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:51:15" (3/3) ... [2018-12-31 09:51:15,196 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-12-31 09:51:15,206 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:51:15,217 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:51:15,235 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:51:15,271 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:51:15,272 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:51:15,272 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:51:15,272 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:51:15,272 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:51:15,272 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:51:15,272 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:51:15,273 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:51:15,273 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:51:15,293 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2018-12-31 09:51:15,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-31 09:51:15,301 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:15,302 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:15,304 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:15,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:15,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1143595135, now seen corresponding path program 1 times [2018-12-31 09:51:15,312 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:15,313 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:15,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:15,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:15,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:15,596 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 09:51:15,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:15,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:51:15,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:51:15,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:51:15,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:51:15,620 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2018-12-31 09:51:15,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:15,657 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2018-12-31 09:51:15,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:51:15,658 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-31 09:51:15,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:15,671 INFO L225 Difference]: With dead ends: 245 [2018-12-31 09:51:15,672 INFO L226 Difference]: Without dead ends: 122 [2018-12-31 09:51:15,676 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 09:51:15,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-12-31 09:51:15,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-12-31 09:51:15,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-12-31 09:51:15,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2018-12-31 09:51:15,729 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2018-12-31 09:51:15,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:15,730 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2018-12-31 09:51:15,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:51:15,730 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2018-12-31 09:51:15,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-31 09:51:15,732 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:15,732 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] [2018-12-31 09:51:15,732 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:15,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:15,733 INFO L82 PathProgramCache]: Analyzing trace with hash 662424418, now seen corresponding path program 1 times [2018-12-31 09:51:15,733 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:15,733 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:15,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:15,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:15,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:15,914 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 09:51:15,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:15,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:51:15,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:51:15,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:51:15,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:51:15,918 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand 3 states. [2018-12-31 09:51:15,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:15,954 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2018-12-31 09:51:15,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:51:15,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-12-31 09:51:15,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:15,956 INFO L225 Difference]: With dead ends: 122 [2018-12-31 09:51:15,957 INFO L226 Difference]: Without dead ends: 51 [2018-12-31 09:51:15,958 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 09:51:15,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-31 09:51:15,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-12-31 09:51:15,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-31 09:51:15,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2018-12-31 09:51:15,965 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2018-12-31 09:51:15,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:15,966 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2018-12-31 09:51:15,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:51:15,966 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2018-12-31 09:51:15,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-31 09:51:15,967 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:15,967 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, 1, 1] [2018-12-31 09:51:15,968 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:15,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:15,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1983331463, now seen corresponding path program 1 times [2018-12-31 09:51:15,968 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:15,968 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:15,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:15,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:15,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:16,130 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 09:51:16,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:16,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:51:16,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:51:16,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:51:16,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:51:16,134 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2018-12-31 09:51:16,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:16,194 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2018-12-31 09:51:16,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:51:16,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-12-31 09:51:16,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:16,198 INFO L225 Difference]: With dead ends: 95 [2018-12-31 09:51:16,198 INFO L226 Difference]: Without dead ends: 51 [2018-12-31 09:51:16,199 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 09:51:16,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-31 09:51:16,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-12-31 09:51:16,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-31 09:51:16,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2018-12-31 09:51:16,206 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2018-12-31 09:51:16,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:16,207 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2018-12-31 09:51:16,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:51:16,207 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2018-12-31 09:51:16,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-31 09:51:16,208 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:16,208 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, 1, 1, 1, 1] [2018-12-31 09:51:16,208 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:16,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:16,209 INFO L82 PathProgramCache]: Analyzing trace with hash -630940105, now seen corresponding path program 1 times [2018-12-31 09:51:16,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:16,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:16,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:16,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:16,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:16,316 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 09:51:16,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:16,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:51:16,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:51:16,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:51:16,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:51:16,318 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2018-12-31 09:51:16,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:16,386 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2018-12-31 09:51:16,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:51:16,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-12-31 09:51:16,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:16,395 INFO L225 Difference]: With dead ends: 119 [2018-12-31 09:51:16,395 INFO L226 Difference]: Without dead ends: 75 [2018-12-31 09:51:16,396 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 09:51:16,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-12-31 09:51:16,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2018-12-31 09:51:16,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-12-31 09:51:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2018-12-31 09:51:16,415 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2018-12-31 09:51:16,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:16,416 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2018-12-31 09:51:16,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:51:16,416 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2018-12-31 09:51:16,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:51:16,419 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:16,419 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:16,419 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:16,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:16,420 INFO L82 PathProgramCache]: Analyzing trace with hash -351362712, now seen corresponding path program 1 times [2018-12-31 09:51:16,420 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:16,420 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:16,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:16,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:16,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:16,596 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 09:51:16,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:16,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:51:16,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:51:16,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:51:16,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:51:16,598 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 5 states. [2018-12-31 09:51:17,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:17,123 INFO L93 Difference]: Finished difference Result 263 states and 373 transitions. [2018-12-31 09:51:17,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:51:17,125 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-12-31 09:51:17,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:17,127 INFO L225 Difference]: With dead ends: 263 [2018-12-31 09:51:17,127 INFO L226 Difference]: Without dead ends: 197 [2018-12-31 09:51:17,129 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 09:51:17,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-12-31 09:51:17,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2018-12-31 09:51:17,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-12-31 09:51:17,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2018-12-31 09:51:17,146 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2018-12-31 09:51:17,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:17,147 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2018-12-31 09:51:17,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:51:17,147 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2018-12-31 09:51:17,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:51:17,149 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:17,150 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:17,150 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:17,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:17,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1052427290, now seen corresponding path program 1 times [2018-12-31 09:51:17,152 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:17,152 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:17,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:17,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:17,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:17,428 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 09:51:17,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:17,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:51:17,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:51:17,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:51:17,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:51:17,430 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand 5 states. [2018-12-31 09:51:17,807 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-31 09:51:18,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:18,005 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2018-12-31 09:51:18,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:51:18,006 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-12-31 09:51:18,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:18,007 INFO L225 Difference]: With dead ends: 202 [2018-12-31 09:51:18,008 INFO L226 Difference]: Without dead ends: 132 [2018-12-31 09:51:18,008 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:51:18,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-12-31 09:51:18,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2018-12-31 09:51:18,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-12-31 09:51:18,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2018-12-31 09:51:18,023 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2018-12-31 09:51:18,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:18,023 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2018-12-31 09:51:18,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:51:18,023 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2018-12-31 09:51:18,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:51:18,024 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:18,026 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:18,027 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:18,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:18,027 INFO L82 PathProgramCache]: Analyzing trace with hash -118963581, now seen corresponding path program 1 times [2018-12-31 09:51:18,028 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:18,028 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:18,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:18,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:18,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:18,288 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 09:51:18,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:18,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:51:18,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:51:18,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:51:18,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:51:18,290 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand 5 states. [2018-12-31 09:51:19,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:19,285 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2018-12-31 09:51:19,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:51:19,286 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-12-31 09:51:19,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:19,288 INFO L225 Difference]: With dead ends: 282 [2018-12-31 09:51:19,288 INFO L226 Difference]: Without dead ends: 206 [2018-12-31 09:51:19,289 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 09:51:19,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-12-31 09:51:19,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2018-12-31 09:51:19,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-12-31 09:51:19,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2018-12-31 09:51:19,311 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2018-12-31 09:51:19,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:19,314 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2018-12-31 09:51:19,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:51:19,314 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2018-12-31 09:51:19,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:51:19,315 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:19,315 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:19,316 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:19,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:19,316 INFO L82 PathProgramCache]: Analyzing trace with hash -938168726, now seen corresponding path program 1 times [2018-12-31 09:51:19,316 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:19,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:19,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:19,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:19,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:19,436 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 09:51:19,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:19,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:51:19,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:51:19,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:51:19,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:51:19,439 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand 3 states. [2018-12-31 09:51:19,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:19,634 INFO L93 Difference]: Finished difference Result 185 states and 247 transitions. [2018-12-31 09:51:19,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:51:19,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-12-31 09:51:19,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:19,636 INFO L225 Difference]: With dead ends: 185 [2018-12-31 09:51:19,636 INFO L226 Difference]: Without dead ends: 110 [2018-12-31 09:51:19,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 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 09:51:19,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-12-31 09:51:19,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-12-31 09:51:19,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-12-31 09:51:19,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2018-12-31 09:51:19,674 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 34 [2018-12-31 09:51:19,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:19,674 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2018-12-31 09:51:19,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:51:19,674 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2018-12-31 09:51:19,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-31 09:51:19,677 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:19,677 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:19,678 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:19,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:19,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1960852394, now seen corresponding path program 1 times [2018-12-31 09:51:19,679 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:19,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:19,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:19,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:19,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:19,997 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 09:51:19,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:19,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 09:51:19,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 09:51:19,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 09:51:19,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:51:19,999 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand 6 states. [2018-12-31 09:51:20,544 WARN L181 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-12-31 09:51:20,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:20,850 INFO L93 Difference]: Finished difference Result 413 states and 551 transitions. [2018-12-31 09:51:20,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:51:20,852 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-12-31 09:51:20,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:20,855 INFO L225 Difference]: With dead ends: 413 [2018-12-31 09:51:20,855 INFO L226 Difference]: Without dead ends: 338 [2018-12-31 09:51:20,856 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-12-31 09:51:20,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-12-31 09:51:20,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 155. [2018-12-31 09:51:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-12-31 09:51:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 199 transitions. [2018-12-31 09:51:20,888 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 199 transitions. Word has length 35 [2018-12-31 09:51:20,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:20,890 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 199 transitions. [2018-12-31 09:51:20,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 09:51:20,890 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 199 transitions. [2018-12-31 09:51:20,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-31 09:51:20,893 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:20,893 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:20,893 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:20,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:20,895 INFO L82 PathProgramCache]: Analyzing trace with hash -503867042, now seen corresponding path program 1 times [2018-12-31 09:51:20,895 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:20,895 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:20,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:20,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:20,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:21,165 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:21,166 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 09:51:21,166 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-31 09:51:21,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:21,334 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 09:51:21,769 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:21,801 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-31 09:51:21,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-12-31 09:51:21,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-31 09:51:21,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-31 09:51:21,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:51:21,803 INFO L87 Difference]: Start difference. First operand 155 states and 199 transitions. Second operand 8 states. [2018-12-31 09:51:22,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:22,878 INFO L93 Difference]: Finished difference Result 312 states and 417 transitions. [2018-12-31 09:51:22,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 09:51:22,880 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2018-12-31 09:51:22,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:22,880 INFO L225 Difference]: With dead ends: 312 [2018-12-31 09:51:22,881 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:51:22,883 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-12-31 09:51:22,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:51:22,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:51:22,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:51:22,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:51:22,884 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-12-31 09:51:22,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:22,884 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:51:22,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-31 09:51:22,884 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:51:22,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:51:22,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:51:23,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:23,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:23,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:23,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:23,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:23,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:23,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:23,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:23,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:23,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:23,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:23,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:23,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:23,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:23,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:23,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:23,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:23,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:23,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:25,792 WARN L181 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2018-12-31 09:51:26,379 WARN L181 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2018-12-31 09:51:26,820 WARN L181 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 25 [2018-12-31 09:51:27,060 WARN L181 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 25 [2018-12-31 09:51:27,440 WARN L181 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 24 [2018-12-31 09:51:28,124 WARN L181 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 25 [2018-12-31 09:51:28,243 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 18 [2018-12-31 09:51:28,533 WARN L181 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 25 [2018-12-31 09:51:28,651 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 121) no Hoare annotation was computed. [2018-12-31 09:51:28,651 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 104 121) no Hoare annotation was computed. [2018-12-31 09:51:28,651 INFO L448 ceAbstractionStarter]: For program point L104-2(lines 104 121) no Hoare annotation was computed. [2018-12-31 09:51:28,651 INFO L448 ceAbstractionStarter]: For program point L104-3(lines 104 121) no Hoare annotation was computed. [2018-12-31 09:51:28,651 INFO L448 ceAbstractionStarter]: For program point L104-4(lines 104 121) no Hoare annotation was computed. [2018-12-31 09:51:28,651 INFO L448 ceAbstractionStarter]: For program point L104-5(lines 104 121) no Hoare annotation was computed. [2018-12-31 09:51:28,652 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 309) no Hoare annotation was computed. [2018-12-31 09:51:28,652 INFO L444 ceAbstractionStarter]: At program point L303-1(lines 303 309) the Hoare annotation is: (let ((.cse1 (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~systemActive~0 1))) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0))) (or (and .cse0 (and .cse1 (= 0 ~pumpRunning~0))) (and (and .cse1 .cse0) (= ~switchedOnBeforeTS~0 1) .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|)) (and (and .cse1 (<= 2 ~waterLevel~0) .cse0) .cse2))) [2018-12-31 09:51:28,652 INFO L444 ceAbstractionStarter]: At program point L72(lines 68 90) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 (and (and .cse1 .cse2) (= 0 ~pumpRunning~0))) (and .cse1 (= ~switchedOnBeforeTS~0 1) .cse0 (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2018-12-31 09:51:28,652 INFO L444 ceAbstractionStarter]: At program point L72-1(lines 68 90) the Hoare annotation is: false [2018-12-31 09:51:28,652 INFO L444 ceAbstractionStarter]: At program point L72-2(lines 68 90) the Hoare annotation is: false [2018-12-31 09:51:28,652 INFO L444 ceAbstractionStarter]: At program point L238(lines 223 241) the Hoare annotation is: false [2018-12-31 09:51:28,653 INFO L444 ceAbstractionStarter]: At program point L238-1(lines 223 241) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse2 .cse3))) [2018-12-31 09:51:28,653 INFO L444 ceAbstractionStarter]: At program point L238-2(lines 223 241) the Hoare annotation is: false [2018-12-31 09:51:28,653 INFO L444 ceAbstractionStarter]: At program point L238-3(lines 223 241) the Hoare annotation is: false [2018-12-31 09:51:28,653 INFO L444 ceAbstractionStarter]: At program point L238-4(lines 223 241) the Hoare annotation is: false [2018-12-31 09:51:28,653 INFO L444 ceAbstractionStarter]: At program point L238-5(lines 223 241) the Hoare annotation is: false [2018-12-31 09:51:28,653 INFO L448 ceAbstractionStarter]: For program point L371(lines 371 375) no Hoare annotation was computed. [2018-12-31 09:51:28,653 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 116) no Hoare annotation was computed. [2018-12-31 09:51:28,653 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 108 116) no Hoare annotation was computed. [2018-12-31 09:51:28,653 INFO L448 ceAbstractionStarter]: For program point L108-2(lines 108 116) no Hoare annotation was computed. [2018-12-31 09:51:28,654 INFO L448 ceAbstractionStarter]: For program point L108-3(lines 108 116) no Hoare annotation was computed. [2018-12-31 09:51:28,654 INFO L448 ceAbstractionStarter]: For program point L108-4(lines 108 116) no Hoare annotation was computed. [2018-12-31 09:51:28,654 INFO L448 ceAbstractionStarter]: For program point L108-5(lines 108 116) no Hoare annotation was computed. [2018-12-31 09:51:28,654 INFO L444 ceAbstractionStarter]: At program point L439(lines 434 442) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 1)) [2018-12-31 09:51:28,654 INFO L444 ceAbstractionStarter]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2018-12-31 09:51:28,654 INFO L444 ceAbstractionStarter]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2018-12-31 09:51:28,654 INFO L448 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2018-12-31 09:51:28,654 INFO L448 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2018-12-31 09:51:28,654 INFO L448 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2018-12-31 09:51:28,654 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2018-12-31 09:51:28,655 INFO L444 ceAbstractionStarter]: At program point L837-1(lines 1 992) the Hoare annotation is: (let ((.cse2 (= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse0 (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~systemActive~0 1)))) (or (and (and .cse0 .cse1) (= ~switchedOnBeforeTS~0 1) .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 (<= 2 ~waterLevel~0) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) .cse1 .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse1 (and .cse0 (= 0 ~pumpRunning~0))))) [2018-12-31 09:51:28,655 INFO L448 ceAbstractionStarter]: For program point L837-2(lines 837 854) no Hoare annotation was computed. [2018-12-31 09:51:28,655 INFO L444 ceAbstractionStarter]: At program point L837-3(lines 1 992) the Hoare annotation is: false [2018-12-31 09:51:28,655 INFO L448 ceAbstractionStarter]: For program point L837-4(lines 837 854) no Hoare annotation was computed. [2018-12-31 09:51:28,655 INFO L444 ceAbstractionStarter]: At program point L837-5(lines 1 992) the Hoare annotation is: false [2018-12-31 09:51:28,655 INFO L444 ceAbstractionStarter]: At program point L79(lines 79 85) the Hoare annotation is: (let ((.cse2 (= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse0 (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~systemActive~0 1)))) (or (and (and .cse0 .cse1) (= ~switchedOnBeforeTS~0 1) .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|)) (and (and .cse0 (<= 2 ~waterLevel~0) .cse1) .cse2) (and .cse1 (and .cse0 (= 0 ~pumpRunning~0))))) [2018-12-31 09:51:28,655 INFO L444 ceAbstractionStarter]: At program point L79-1(lines 79 85) the Hoare annotation is: false [2018-12-31 09:51:28,656 INFO L444 ceAbstractionStarter]: At program point L79-2(lines 79 85) the Hoare annotation is: false [2018-12-31 09:51:28,656 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 851) no Hoare annotation was computed. [2018-12-31 09:51:28,656 INFO L448 ceAbstractionStarter]: For program point L841-2(lines 841 851) no Hoare annotation was computed. [2018-12-31 09:51:28,656 INFO L448 ceAbstractionStarter]: For program point L841-4(lines 841 851) no Hoare annotation was computed. [2018-12-31 09:51:28,656 INFO L448 ceAbstractionStarter]: For program point L313(lines 313 326) no Hoare annotation was computed. [2018-12-31 09:51:28,656 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2018-12-31 09:51:28,656 INFO L444 ceAbstractionStarter]: At program point L908-2(lines 908 922) the Hoare annotation is: false [2018-12-31 09:51:28,656 INFO L448 ceAbstractionStarter]: For program point L842-2(lines 842 848) no Hoare annotation was computed. [2018-12-31 09:51:28,656 INFO L448 ceAbstractionStarter]: For program point L842-4(lines 842 848) no Hoare annotation was computed. [2018-12-31 09:51:28,656 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 351) no Hoare annotation was computed. [2018-12-31 09:51:28,657 INFO L448 ceAbstractionStarter]: For program point L347-3(lines 347 351) no Hoare annotation was computed. [2018-12-31 09:51:28,657 INFO L448 ceAbstractionStarter]: For program point L347-6(lines 347 351) no Hoare annotation was computed. [2018-12-31 09:51:28,657 INFO L448 ceAbstractionStarter]: For program point L909(line 909) no Hoare annotation was computed. [2018-12-31 09:51:28,657 INFO L444 ceAbstractionStarter]: At program point L183(lines 178 186) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 1 ~pumpRunning~0)) (.cse4 (= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= ~systemActive~0 1))) (or (and (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) (and .cse0 .cse1) (= 0 ~pumpRunning~0)) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse4 .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3 .cse4 .cse1))) [2018-12-31 09:51:28,657 INFO L444 ceAbstractionStarter]: At program point L183-1(lines 178 186) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1))) (or (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) (and .cse0 .cse1) (= 0 ~pumpRunning~0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse2 (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1))) [2018-12-31 09:51:28,657 INFO L444 ceAbstractionStarter]: At program point L183-2(lines 178 186) the Hoare annotation is: false [2018-12-31 09:51:28,657 INFO L444 ceAbstractionStarter]: At program point L183-3(lines 178 186) the Hoare annotation is: false [2018-12-31 09:51:28,657 INFO L444 ceAbstractionStarter]: At program point L183-4(lines 178 186) the Hoare annotation is: false [2018-12-31 09:51:28,657 INFO L444 ceAbstractionStarter]: At program point L183-5(lines 178 186) the Hoare annotation is: false [2018-12-31 09:51:28,658 INFO L444 ceAbstractionStarter]: At program point L416(lines 411 419) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and (and (and .cse0 .cse3) (= 0 ~pumpRunning~0)) .cse1) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2018-12-31 09:51:28,658 INFO L444 ceAbstractionStarter]: At program point L416-1(lines 411 419) the Hoare annotation is: false [2018-12-31 09:51:28,658 INFO L444 ceAbstractionStarter]: At program point L416-2(lines 411 419) the Hoare annotation is: false [2018-12-31 09:51:28,658 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:51:28,658 INFO L448 ceAbstractionStarter]: For program point L284(lines 283 330) no Hoare annotation was computed. [2018-12-31 09:51:28,658 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 255) no Hoare annotation was computed. [2018-12-31 09:51:28,658 INFO L448 ceAbstractionStarter]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2018-12-31 09:51:28,658 INFO L448 ceAbstractionStarter]: For program point L251-3(lines 251 255) no Hoare annotation was computed. [2018-12-31 09:51:28,658 INFO L448 ceAbstractionStarter]: For program point L251-5(lines 251 255) no Hoare annotation was computed. [2018-12-31 09:51:28,659 INFO L448 ceAbstractionStarter]: For program point L251-6(lines 251 255) no Hoare annotation was computed. [2018-12-31 09:51:28,659 INFO L448 ceAbstractionStarter]: For program point L251-8(lines 251 255) no Hoare annotation was computed. [2018-12-31 09:51:28,659 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 916) no Hoare annotation was computed. [2018-12-31 09:51:28,659 INFO L448 ceAbstractionStarter]: For program point L912-1(lines 912 916) no Hoare annotation was computed. [2018-12-31 09:51:28,659 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed. [2018-12-31 09:51:28,659 INFO L448 ceAbstractionStarter]: For program point L980(lines 980 987) no Hoare annotation was computed. [2018-12-31 09:51:28,659 INFO L451 ceAbstractionStarter]: At program point L980-1(lines 980 987) the Hoare annotation is: true [2018-12-31 09:51:28,659 INFO L444 ceAbstractionStarter]: At program point L816(lines 811 818) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:28,659 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 325) no Hoare annotation was computed. [2018-12-31 09:51:28,659 INFO L444 ceAbstractionStarter]: At program point L321-2(lines 321 325) the Hoare annotation is: (let ((.cse1 (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~systemActive~0 1))) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0))) (or (and .cse0 (and .cse1 (= 0 ~pumpRunning~0))) (and (and .cse1 .cse0) (= ~switchedOnBeforeTS~0 1) .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|)) (and (and .cse1 (<= 2 ~waterLevel~0) .cse0) .cse2))) [2018-12-31 09:51:28,660 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:51:28,660 INFO L444 ceAbstractionStarter]: At program point L884(lines 1 992) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:28,660 INFO L444 ceAbstractionStarter]: At program point L257(lines 242 260) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 1)) [2018-12-31 09:51:28,660 INFO L444 ceAbstractionStarter]: At program point L257-1(lines 242 260) the Hoare annotation is: false [2018-12-31 09:51:28,660 INFO L444 ceAbstractionStarter]: At program point L257-2(lines 242 260) the Hoare annotation is: false [2018-12-31 09:51:28,660 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 430) no Hoare annotation was computed. [2018-12-31 09:51:28,660 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 424 430) no Hoare annotation was computed. [2018-12-31 09:51:28,660 INFO L448 ceAbstractionStarter]: For program point L424-2(lines 424 430) no Hoare annotation was computed. [2018-12-31 09:51:28,660 INFO L448 ceAbstractionStarter]: For program point L424-3(lines 424 430) no Hoare annotation was computed. [2018-12-31 09:51:28,660 INFO L448 ceAbstractionStarter]: For program point L424-4(lines 424 430) no Hoare annotation was computed. [2018-12-31 09:51:28,661 INFO L448 ceAbstractionStarter]: For program point L424-5(lines 424 430) no Hoare annotation was computed. [2018-12-31 09:51:28,661 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-31 09:51:28,661 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:51:28,661 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 363) no Hoare annotation was computed. [2018-12-31 09:51:28,661 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 299) no Hoare annotation was computed. [2018-12-31 09:51:28,661 INFO L444 ceAbstractionStarter]: At program point L293-1(lines 293 299) the Hoare annotation is: (let ((.cse1 (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~systemActive~0 1))) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0))) (or (and .cse0 (and .cse1 (= 0 ~pumpRunning~0))) (and (and .cse1 .cse0) (= ~switchedOnBeforeTS~0 1) .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|)) (and (and .cse1 (<= 2 ~waterLevel~0) .cse0) .cse2))) [2018-12-31 09:51:28,661 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-31 09:51:28,661 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 147) no Hoare annotation was computed. [2018-12-31 09:51:28,662 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 147) no Hoare annotation was computed. [2018-12-31 09:51:28,662 INFO L448 ceAbstractionStarter]: For program point L130-2(lines 130 147) no Hoare annotation was computed. [2018-12-31 09:51:28,662 INFO L451 ceAbstractionStarter]: At program point L989(lines 970 992) the Hoare annotation is: true [2018-12-31 09:51:28,662 INFO L444 ceAbstractionStarter]: At program point L956(lines 952 958) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:28,662 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:51:28,662 INFO L444 ceAbstractionStarter]: At program point L429(lines 420 433) the Hoare annotation is: false [2018-12-31 09:51:28,662 INFO L444 ceAbstractionStarter]: At program point L429-1(lines 420 433) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)) .cse0 .cse1 .cse2 .cse3))) [2018-12-31 09:51:28,662 INFO L444 ceAbstractionStarter]: At program point L429-2(lines 420 433) the Hoare annotation is: false [2018-12-31 09:51:28,662 INFO L444 ceAbstractionStarter]: At program point L429-3(lines 420 433) the Hoare annotation is: false [2018-12-31 09:51:28,662 INFO L444 ceAbstractionStarter]: At program point L429-4(lines 420 433) the Hoare annotation is: false [2018-12-31 09:51:28,663 INFO L444 ceAbstractionStarter]: At program point L429-5(lines 420 433) the Hoare annotation is: false [2018-12-31 09:51:28,663 INFO L444 ceAbstractionStarter]: At program point L892(lines 887 895) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:28,663 INFO L444 ceAbstractionStarter]: At program point L826(lines 72 78) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1))) (or (and (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) (and .cse0 .cse1) (= 0 ~pumpRunning~0)) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse2 (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1))) [2018-12-31 09:51:28,663 INFO L444 ceAbstractionStarter]: At program point L826-1(lines 72 78) the Hoare annotation is: false [2018-12-31 09:51:28,663 INFO L444 ceAbstractionStarter]: At program point L826-2(lines 72 78) the Hoare annotation is: false [2018-12-31 09:51:28,663 INFO L444 ceAbstractionStarter]: At program point L331(lines 282 332) the Hoare annotation is: false [2018-12-31 09:51:28,663 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 236) no Hoare annotation was computed. [2018-12-31 09:51:28,663 INFO L448 ceAbstractionStarter]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2018-12-31 09:51:28,663 INFO L448 ceAbstractionStarter]: For program point L232-3(lines 232 236) no Hoare annotation was computed. [2018-12-31 09:51:28,663 INFO L448 ceAbstractionStarter]: For program point L232-5(lines 232 236) no Hoare annotation was computed. [2018-12-31 09:51:28,664 INFO L448 ceAbstractionStarter]: For program point L232-6(lines 232 236) no Hoare annotation was computed. [2018-12-31 09:51:28,664 INFO L448 ceAbstractionStarter]: For program point L232-8(lines 232 236) no Hoare annotation was computed. [2018-12-31 09:51:28,664 INFO L448 ceAbstractionStarter]: For program point L232-9(lines 232 236) no Hoare annotation was computed. [2018-12-31 09:51:28,664 INFO L448 ceAbstractionStarter]: For program point L232-11(lines 232 236) no Hoare annotation was computed. [2018-12-31 09:51:28,664 INFO L448 ceAbstractionStarter]: For program point L232-12(lines 232 236) no Hoare annotation was computed. [2018-12-31 09:51:28,664 INFO L448 ceAbstractionStarter]: For program point L232-14(lines 232 236) no Hoare annotation was computed. [2018-12-31 09:51:28,664 INFO L448 ceAbstractionStarter]: For program point L232-15(lines 232 236) no Hoare annotation was computed. [2018-12-31 09:51:28,664 INFO L448 ceAbstractionStarter]: For program point L232-17(lines 232 236) no Hoare annotation was computed. [2018-12-31 09:51:28,664 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-31 09:51:28,665 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 142) no Hoare annotation was computed. [2018-12-31 09:51:28,665 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 142) no Hoare annotation was computed. [2018-12-31 09:51:28,665 INFO L448 ceAbstractionStarter]: For program point L134-2(lines 134 142) no Hoare annotation was computed. [2018-12-31 09:51:28,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:51:28 BoogieIcfgContainer [2018-12-31 09:51:28,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:51:28,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:51:28,696 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:51:28,696 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:51:28,696 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:51:15" (3/4) ... [2018-12-31 09:51:28,700 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:51:28,722 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:51:28,726 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-31 09:51:28,727 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 09:51:28,728 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 09:51:28,729 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:51:28,732 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:51:28,771 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && systemActive == 1) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) || ((((((((splverifierCounter == 0 && systemActive == 1) && 2 <= waterLevel) && 1 < tmp) && tmp <= 2) && waterLevel <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result)) || (waterLevel <= 2 && (splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) [2018-12-31 09:51:28,771 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) || (((((splverifierCounter == 0 && systemActive == 1) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result)) || ((((splverifierCounter == 0 && systemActive == 1) && 2 <= waterLevel) && waterLevel <= 2) && 1 == pumpRunning) [2018-12-31 09:51:28,773 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) || (((((splverifierCounter == 0 && systemActive == 1) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result)) || ((((splverifierCounter == 0 && systemActive == 1) && 2 <= waterLevel) && waterLevel <= 2) && 1 == pumpRunning) [2018-12-31 09:51:28,773 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) || (((((splverifierCounter == 0 && systemActive == 1) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result)) || ((((splverifierCounter == 0 && systemActive == 1) && 2 <= waterLevel) && waterLevel <= 2) && 1 == pumpRunning) [2018-12-31 09:51:28,774 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == \result && splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) && waterLevel <= 2) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1)) || (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:28,774 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == \result && splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) && waterLevel <= 2) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:28,774 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel <= 2 && (splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:28,777 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && systemActive == 1) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) || ((((splverifierCounter == 0 && systemActive == 1) && 2 <= waterLevel) && waterLevel <= 2) && 1 == pumpRunning)) || (waterLevel <= 2 && (splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) [2018-12-31 09:51:28,778 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && systemActive == 1) || (((splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) && waterLevel <= 2)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:28,779 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1 [2018-12-31 09:51:28,779 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((((!(0 == \result) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:28,781 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == \result && splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) && waterLevel <= 2) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:28,782 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1 [2018-12-31 09:51:28,782 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || (((((0 == \result && splverifierCounter == 0) && waterLevel <= 2) && 0 == tmp___0) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:28,905 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:51:28,907 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:51:28,908 INFO L168 Benchmark]: Toolchain (without parser) took 16159.47 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 305.1 MB). Free memory was 948.7 MB in the beginning and 1.3 GB in the end (delta: -307.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:51:28,909 INFO L168 Benchmark]: CDTParser took 0.16 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 09:51:28,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 836.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:28,910 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.34 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:28,911 INFO L168 Benchmark]: Boogie Preprocessor took 54.49 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:28,911 INFO L168 Benchmark]: RCFGBuilder took 1453.09 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: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:28,911 INFO L168 Benchmark]: TraceAbstraction took 13506.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 170.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -212.2 MB). Peak memory consumption was 338.0 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:28,914 INFO L168 Benchmark]: Witness Printer took 211.41 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:28,917 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 836.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.34 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.49 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1453.09 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: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13506.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 170.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -212.2 MB). Peak memory consumption was 338.0 MB. Max. memory is 11.5 GB. * Witness Printer took 211.41 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 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: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && systemActive == 1) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) || ((((((((splverifierCounter == 0 && systemActive == 1) && 2 <= waterLevel) && 1 < tmp) && tmp <= 2) && waterLevel <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result)) || (waterLevel <= 2 && (splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && systemActive == 1) || (((splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) && waterLevel <= 2)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) || (((((splverifierCounter == 0 && systemActive == 1) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result)) || ((((splverifierCounter == 0 && systemActive == 1) && 2 <= waterLevel) && waterLevel <= 2) && 1 == pumpRunning) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) || (((((splverifierCounter == 0 && systemActive == 1) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result)) || ((((splverifierCounter == 0 && systemActive == 1) && 2 <= waterLevel) && waterLevel <= 2) && 1 == pumpRunning) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((0 == \result && splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) && waterLevel <= 2) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((0 == \result && splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) && waterLevel <= 2) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((((0 == \result && splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) && waterLevel <= 2) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1)) || (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || (((((0 == \result && splverifierCounter == 0) && waterLevel <= 2) && 0 == tmp___0) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) || (((((splverifierCounter == 0 && systemActive == 1) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result)) || ((((splverifierCounter == 0 && systemActive == 1) && 2 <= waterLevel) && waterLevel <= 2) && 1 == pumpRunning) - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((((!(0 == \result) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && systemActive == 1) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) || ((((splverifierCounter == 0 && systemActive == 1) && 2 <= waterLevel) && waterLevel <= 2) && 1 == pumpRunning)) || (waterLevel <= 2 && (splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (waterLevel <= 2 && (splverifierCounter == 0 && systemActive == 1) && 0 == pumpRunning) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 3 error locations. SAFE Result, 13.4s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 4.5s AutomataDifference, 0.0s DeadEndRemovalTime, 5.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1029 SDtfs, 1265 SDslu, 1335 SDs, 0 SdLazy, 238 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=9, 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, 10 MinimizatonAttempts, 478 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 131 NumberOfFragments, 690 HoareAnnotationTreeSize, 50 FomulaSimplifications, 40559 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 50 FomulaSimplificationsInter, 11635 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 28489 SizeOfPredicates, 4 NumberOfNonLiveVariables, 424 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...