./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product60_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product60_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 e5628f313afbfffa53e61454ca424855ee3b0eb7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:50:06,798 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:50:06,800 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:50:06,812 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:50:06,812 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:50:06,814 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:50:06,815 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:50:06,817 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:50:06,818 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:50:06,819 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:50:06,820 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:50:06,820 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:50:06,821 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:50:06,822 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:50:06,824 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:50:06,824 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:50:06,825 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:50:06,827 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:50:06,829 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:50:06,831 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:50:06,832 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:50:06,834 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:50:06,836 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:50:06,837 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:50:06,837 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:50:06,838 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:50:06,839 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:50:06,840 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:50:06,841 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:50:06,842 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:50:06,843 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:50:06,843 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:50:06,843 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:50:06,844 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:50:06,845 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:50:06,846 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:50:06,846 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:50:06,865 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:50:06,865 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:50:06,866 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:50:06,866 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:50:06,867 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:50:06,867 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:50:06,867 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:50:06,867 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:50:06,867 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:50:06,868 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:50:06,868 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:50:06,868 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:50:06,868 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:50:06,868 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:50:06,868 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:50:06,869 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:50:06,870 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:50:06,870 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:50:06,870 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:50:06,870 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:50:06,871 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:50:06,871 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:50:06,871 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:50:06,871 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:50:06,871 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:50:06,871 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:50:06,872 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:50:06,872 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:50:06,872 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 -> e5628f313afbfffa53e61454ca424855ee3b0eb7 [2018-12-31 09:50:06,929 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:50:06,948 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:50:06,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:50:06,956 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:50:06,956 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:50:06,958 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product60_true-unreach-call_false-termination.cil.c [2018-12-31 09:50:07,033 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afe8271df/2d7eede1025943458e3a9f6245de2166/FLAG43f413e69 [2018-12-31 09:50:07,589 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:50:07,590 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product60_true-unreach-call_false-termination.cil.c [2018-12-31 09:50:07,603 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afe8271df/2d7eede1025943458e3a9f6245de2166/FLAG43f413e69 [2018-12-31 09:50:07,887 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afe8271df/2d7eede1025943458e3a9f6245de2166 [2018-12-31 09:50:07,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:50:07,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:50:07,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:50:07,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:50:07,899 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:50:07,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:50:07" (1/1) ... [2018-12-31 09:50:07,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d11486e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:07, skipping insertion in model container [2018-12-31 09:50:07,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:50:07" (1/1) ... [2018-12-31 09:50:07,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:50:07,980 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:50:08,370 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:50:08,387 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:50:08,624 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:50:08,679 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:50:08,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:08 WrapperNode [2018-12-31 09:50:08,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:50:08,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:50:08,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:50:08,682 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:50:08,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:08" (1/1) ... [2018-12-31 09:50:08,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:08" (1/1) ... [2018-12-31 09:50:08,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:50:08,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:50:08,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:50:08,768 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:50:08,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:08" (1/1) ... [2018-12-31 09:50:08,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:08" (1/1) ... [2018-12-31 09:50:08,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:08" (1/1) ... [2018-12-31 09:50:08,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:08" (1/1) ... [2018-12-31 09:50:08,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:08" (1/1) ... [2018-12-31 09:50:08,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:08" (1/1) ... [2018-12-31 09:50:08,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:08" (1/1) ... [2018-12-31 09:50:08,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:50:08,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:50:08,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:50:08,849 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:50:08,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:08" (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 09:50:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:50:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:50:08,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:50:08,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:50:10,555 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:50:10,556 INFO L280 CfgBuilder]: Removed 198 assue(true) statements. [2018-12-31 09:50:10,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:50:10 BoogieIcfgContainer [2018-12-31 09:50:10,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:50:10,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:50:10,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:50:10,561 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:50:10,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:50:07" (1/3) ... [2018-12-31 09:50:10,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7296e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:50:10, skipping insertion in model container [2018-12-31 09:50:10,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:08" (2/3) ... [2018-12-31 09:50:10,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7296e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:50:10, skipping insertion in model container [2018-12-31 09:50:10,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:50:10" (3/3) ... [2018-12-31 09:50:10,566 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60_true-unreach-call_false-termination.cil.c [2018-12-31 09:50:10,576 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:50:10,585 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:50:10,604 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:50:10,635 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:50:10,635 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:50:10,636 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:50:10,636 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:50:10,636 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:50:10,636 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:50:10,636 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:50:10,636 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:50:10,637 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:50:10,658 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2018-12-31 09:50:10,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 09:50:10,666 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:10,667 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:50:10,672 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:10,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:10,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1851082586, now seen corresponding path program 1 times [2018-12-31 09:50:10,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:10,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:10,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:10,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:10,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:10,969 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 09:50:10,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:10,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:50:10,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:50:10,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:50:10,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:50:10,991 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2018-12-31 09:50:11,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:11,030 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2018-12-31 09:50:11,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:50:11,032 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-12-31 09:50:11,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:11,048 INFO L225 Difference]: With dead ends: 268 [2018-12-31 09:50:11,049 INFO L226 Difference]: Without dead ends: 133 [2018-12-31 09:50:11,053 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 09:50:11,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-12-31 09:50:11,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-12-31 09:50:11,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-12-31 09:50:11,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2018-12-31 09:50:11,122 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2018-12-31 09:50:11,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:11,123 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2018-12-31 09:50:11,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:50:11,123 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2018-12-31 09:50:11,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-31 09:50:11,126 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:11,127 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:50:11,128 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:11,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:11,128 INFO L82 PathProgramCache]: Analyzing trace with hash 804325689, now seen corresponding path program 1 times [2018-12-31 09:50:11,128 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:11,130 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:11,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:11,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:11,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:11,317 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 09:50:11,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:11,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:50:11,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:50:11,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:50:11,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:50:11,321 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2018-12-31 09:50:11,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:11,350 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2018-12-31 09:50:11,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:50:11,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-12-31 09:50:11,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:11,352 INFO L225 Difference]: With dead ends: 133 [2018-12-31 09:50:11,352 INFO L226 Difference]: Without dead ends: 55 [2018-12-31 09:50:11,354 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 09:50:11,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-31 09:50:11,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-12-31 09:50:11,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-31 09:50:11,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2018-12-31 09:50:11,365 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2018-12-31 09:50:11,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:11,366 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2018-12-31 09:50:11,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:50:11,366 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2018-12-31 09:50:11,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-31 09:50:11,370 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:11,371 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:50:11,371 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:11,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:11,371 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2018-12-31 09:50:11,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:11,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:11,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:11,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:11,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:11,480 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 09:50:11,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:11,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:50:11,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:50:11,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:50:11,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:50:11,482 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2018-12-31 09:50:11,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:11,577 INFO L93 Difference]: Finished difference Result 153 states and 225 transitions. [2018-12-31 09:50:11,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:50:11,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-12-31 09:50:11,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:11,582 INFO L225 Difference]: With dead ends: 153 [2018-12-31 09:50:11,582 INFO L226 Difference]: Without dead ends: 104 [2018-12-31 09:50:11,584 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 09:50:11,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-12-31 09:50:11,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2018-12-31 09:50:11,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-31 09:50:11,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2018-12-31 09:50:11,617 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 22 [2018-12-31 09:50:11,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:11,617 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2018-12-31 09:50:11,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:50:11,618 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2018-12-31 09:50:11,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:50:11,619 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:11,619 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:50:11,619 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:11,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:11,624 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2018-12-31 09:50:11,624 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:11,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:11,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:11,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:11,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:11,783 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 09:50:11,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:11,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:50:11,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:50:11,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:50:11,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:50:11,785 INFO L87 Difference]: Start difference. First operand 100 states and 147 transitions. Second operand 3 states. [2018-12-31 09:50:11,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:11,966 INFO L93 Difference]: Finished difference Result 235 states and 350 transitions. [2018-12-31 09:50:11,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:50:11,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-31 09:50:11,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:11,969 INFO L225 Difference]: With dead ends: 235 [2018-12-31 09:50:11,969 INFO L226 Difference]: Without dead ends: 141 [2018-12-31 09:50:11,970 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 09:50:11,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-31 09:50:11,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2018-12-31 09:50:11,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-12-31 09:50:11,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 201 transitions. [2018-12-31 09:50:11,988 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 201 transitions. Word has length 24 [2018-12-31 09:50:11,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:11,988 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 201 transitions. [2018-12-31 09:50:11,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:50:11,989 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2018-12-31 09:50:11,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-31 09:50:11,990 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:11,991 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] [2018-12-31 09:50:11,991 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:11,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:11,992 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2018-12-31 09:50:11,992 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:11,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:11,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:11,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:11,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:12,270 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 09:50:12,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:12,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:50:12,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:50:12,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:50:12,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:50:12,272 INFO L87 Difference]: Start difference. First operand 139 states and 201 transitions. Second operand 5 states. [2018-12-31 09:50:12,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:12,993 INFO L93 Difference]: Finished difference Result 499 states and 727 transitions. [2018-12-31 09:50:12,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:50:12,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-12-31 09:50:12,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:12,997 INFO L225 Difference]: With dead ends: 499 [2018-12-31 09:50:12,997 INFO L226 Difference]: Without dead ends: 366 [2018-12-31 09:50:12,998 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:50:13,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-12-31 09:50:13,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 228. [2018-12-31 09:50:13,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-12-31 09:50:13,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 320 transitions. [2018-12-31 09:50:13,035 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 320 transitions. Word has length 25 [2018-12-31 09:50:13,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:13,037 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 320 transitions. [2018-12-31 09:50:13,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:50:13,037 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 320 transitions. [2018-12-31 09:50:13,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-31 09:50:13,039 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:13,039 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 09:50:13,039 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:13,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:13,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1579349608, now seen corresponding path program 1 times [2018-12-31 09:50:13,040 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:13,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:13,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:13,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:13,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:13,310 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 09:50:13,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:13,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:50:13,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:50:13,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:50:13,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:50:13,312 INFO L87 Difference]: Start difference. First operand 228 states and 320 transitions. Second operand 5 states. [2018-12-31 09:50:14,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:14,022 INFO L93 Difference]: Finished difference Result 498 states and 712 transitions. [2018-12-31 09:50:14,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:50:14,023 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-12-31 09:50:14,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:14,028 INFO L225 Difference]: With dead ends: 498 [2018-12-31 09:50:14,028 INFO L226 Difference]: Without dead ends: 496 [2018-12-31 09:50:14,029 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 09:50:14,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2018-12-31 09:50:14,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 228. [2018-12-31 09:50:14,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-12-31 09:50:14,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 318 transitions. [2018-12-31 09:50:14,076 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 318 transitions. Word has length 26 [2018-12-31 09:50:14,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:14,077 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 318 transitions. [2018-12-31 09:50:14,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:50:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 318 transitions. [2018-12-31 09:50:14,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:50:14,085 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:14,085 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 09:50:14,085 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:14,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:14,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1776901523, now seen corresponding path program 1 times [2018-12-31 09:50:14,086 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:14,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:14,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:14,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:14,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:14,320 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 09:50:14,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:14,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:50:14,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:50:14,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:50:14,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:50:14,328 INFO L87 Difference]: Start difference. First operand 228 states and 318 transitions. Second operand 5 states. [2018-12-31 09:50:14,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:14,906 INFO L93 Difference]: Finished difference Result 624 states and 862 transitions. [2018-12-31 09:50:14,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:50:14,909 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-12-31 09:50:14,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:14,913 INFO L225 Difference]: With dead ends: 624 [2018-12-31 09:50:14,921 INFO L226 Difference]: Without dead ends: 402 [2018-12-31 09:50:14,922 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 09:50:14,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2018-12-31 09:50:14,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 246. [2018-12-31 09:50:14,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-12-31 09:50:14,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 336 transitions. [2018-12-31 09:50:14,963 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 336 transitions. Word has length 34 [2018-12-31 09:50:14,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:14,968 INFO L480 AbstractCegarLoop]: Abstraction has 246 states and 336 transitions. [2018-12-31 09:50:14,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:50:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 336 transitions. [2018-12-31 09:50:14,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:50:14,973 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:14,974 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 09:50:14,974 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:14,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:14,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1931259759, now seen corresponding path program 1 times [2018-12-31 09:50:14,975 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:14,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:14,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:14,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:14,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:15,066 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 09:50:15,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:15,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:50:15,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 09:50:15,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 09:50:15,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 09:50:15,067 INFO L87 Difference]: Start difference. First operand 246 states and 336 transitions. Second operand 4 states. [2018-12-31 09:50:15,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:15,197 INFO L93 Difference]: Finished difference Result 538 states and 731 transitions. [2018-12-31 09:50:15,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 09:50:15,201 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-12-31 09:50:15,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:15,203 INFO L225 Difference]: With dead ends: 538 [2018-12-31 09:50:15,203 INFO L226 Difference]: Without dead ends: 298 [2018-12-31 09:50:15,205 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:50:15,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-12-31 09:50:15,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 209. [2018-12-31 09:50:15,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-12-31 09:50:15,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 280 transitions. [2018-12-31 09:50:15,232 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 280 transitions. Word has length 34 [2018-12-31 09:50:15,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:15,234 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 280 transitions. [2018-12-31 09:50:15,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 09:50:15,234 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 280 transitions. [2018-12-31 09:50:15,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:50:15,235 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:15,235 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 09:50:15,237 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:15,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:15,238 INFO L82 PathProgramCache]: Analyzing trace with hash 651396081, now seen corresponding path program 1 times [2018-12-31 09:50:15,238 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:15,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:15,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:15,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:15,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:15,357 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 09:50:15,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:15,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:50:15,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:50:15,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:50:15,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:50:15,360 INFO L87 Difference]: Start difference. First operand 209 states and 280 transitions. Second operand 5 states. [2018-12-31 09:50:15,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:15,973 INFO L93 Difference]: Finished difference Result 582 states and 798 transitions. [2018-12-31 09:50:15,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:50:15,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-12-31 09:50:15,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:15,980 INFO L225 Difference]: With dead ends: 582 [2018-12-31 09:50:15,980 INFO L226 Difference]: Without dead ends: 429 [2018-12-31 09:50:15,981 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 09:50:15,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2018-12-31 09:50:16,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 294. [2018-12-31 09:50:16,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-12-31 09:50:16,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 389 transitions. [2018-12-31 09:50:16,024 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 389 transitions. Word has length 34 [2018-12-31 09:50:16,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:16,024 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 389 transitions. [2018-12-31 09:50:16,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:50:16,024 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 389 transitions. [2018-12-31 09:50:16,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-31 09:50:16,030 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:16,031 INFO L402 BasicCegarLoop]: trace histogram [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 09:50:16,031 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:16,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:16,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1642052713, now seen corresponding path program 1 times [2018-12-31 09:50:16,032 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:16,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:16,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:16,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:16,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:16,181 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-31 09:50:16,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:16,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:50:16,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:50:16,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:50:16,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:50:16,183 INFO L87 Difference]: Start difference. First operand 294 states and 389 transitions. Second operand 3 states. [2018-12-31 09:50:16,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:16,324 INFO L93 Difference]: Finished difference Result 499 states and 660 transitions. [2018-12-31 09:50:16,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:50:16,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-31 09:50:16,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:16,328 INFO L225 Difference]: With dead ends: 499 [2018-12-31 09:50:16,328 INFO L226 Difference]: Without dead ends: 211 [2018-12-31 09:50:16,329 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 09:50:16,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-12-31 09:50:16,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 205. [2018-12-31 09:50:16,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-12-31 09:50:16,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 268 transitions. [2018-12-31 09:50:16,357 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 268 transitions. Word has length 52 [2018-12-31 09:50:16,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:16,362 INFO L480 AbstractCegarLoop]: Abstraction has 205 states and 268 transitions. [2018-12-31 09:50:16,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:50:16,362 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 268 transitions. [2018-12-31 09:50:16,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-31 09:50:16,363 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:16,366 INFO L402 BasicCegarLoop]: trace histogram [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, 1] [2018-12-31 09:50:16,366 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:16,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:16,366 INFO L82 PathProgramCache]: Analyzing trace with hash 492427471, now seen corresponding path program 1 times [2018-12-31 09:50:16,366 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:16,368 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:16,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:16,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:16,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:16,598 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:50:16,598 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 09:50:16,598 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 09:50:16,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:16,730 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 09:50:16,757 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:50:16,787 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-31 09:50:16,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-12-31 09:50:16,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 09:50:16,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 09:50:16,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:50:16,791 INFO L87 Difference]: Start difference. First operand 205 states and 268 transitions. Second operand 6 states. [2018-12-31 09:50:17,499 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-31 09:50:18,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:18,566 INFO L93 Difference]: Finished difference Result 617 states and 824 transitions. [2018-12-31 09:50:18,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:50:18,567 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-12-31 09:50:18,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:18,571 INFO L225 Difference]: With dead ends: 617 [2018-12-31 09:50:18,571 INFO L226 Difference]: Without dead ends: 460 [2018-12-31 09:50:18,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-12-31 09:50:18,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2018-12-31 09:50:18,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 278. [2018-12-31 09:50:18,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-31 09:50:18,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 367 transitions. [2018-12-31 09:50:18,615 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 367 transitions. Word has length 55 [2018-12-31 09:50:18,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:18,615 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 367 transitions. [2018-12-31 09:50:18,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 09:50:18,615 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 367 transitions. [2018-12-31 09:50:18,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-31 09:50:18,618 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:18,618 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-31 09:50:18,619 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:18,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:18,619 INFO L82 PathProgramCache]: Analyzing trace with hash 533191345, now seen corresponding path program 2 times [2018-12-31 09:50:18,619 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:18,619 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:18,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:18,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:18,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:18,852 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-31 09:50:18,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:18,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:50:18,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:50:18,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:50:18,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:50:18,854 INFO L87 Difference]: Start difference. First operand 278 states and 367 transitions. Second operand 5 states. [2018-12-31 09:50:19,330 WARN L181 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-12-31 09:50:19,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:19,829 INFO L93 Difference]: Finished difference Result 824 states and 1103 transitions. [2018-12-31 09:50:19,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 09:50:19,829 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-12-31 09:50:19,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:19,833 INFO L225 Difference]: With dead ends: 824 [2018-12-31 09:50:19,833 INFO L226 Difference]: Without dead ends: 593 [2018-12-31 09:50:19,834 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:50:19,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2018-12-31 09:50:19,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 382. [2018-12-31 09:50:19,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-12-31 09:50:19,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 504 transitions. [2018-12-31 09:50:19,909 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 504 transitions. Word has length 76 [2018-12-31 09:50:19,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:19,909 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 504 transitions. [2018-12-31 09:50:19,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:50:19,911 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 504 transitions. [2018-12-31 09:50:19,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-31 09:50:19,912 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:19,912 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-31 09:50:19,913 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:19,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:19,913 INFO L82 PathProgramCache]: Analyzing trace with hash 807950959, now seen corresponding path program 1 times [2018-12-31 09:50:19,913 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:19,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:19,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:19,914 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-31 09:50:19,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-31 09:50:20,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:20,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:50:20,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:50:20,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:50:20,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:50:20,176 INFO L87 Difference]: Start difference. First operand 382 states and 504 transitions. Second operand 5 states. [2018-12-31 09:50:20,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:20,616 INFO L93 Difference]: Finished difference Result 732 states and 963 transitions. [2018-12-31 09:50:20,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 09:50:20,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-12-31 09:50:20,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:20,617 INFO L225 Difference]: With dead ends: 732 [2018-12-31 09:50:20,617 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:50:20,620 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:50:20,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:50:20,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:50:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:50:20,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:50:20,621 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2018-12-31 09:50:20,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:20,621 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:50:20,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:50:20,621 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:50:20,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:50:20,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:50:20,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:20,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:20,884 WARN L181 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 121 [2018-12-31 09:50:20,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:20,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:20,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:20,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:20,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:21,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:21,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:21,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:21,282 WARN L181 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 122 [2018-12-31 09:50:21,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:21,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:21,405 WARN L181 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 88 [2018-12-31 09:50:21,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:21,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:21,682 WARN L181 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 114 [2018-12-31 09:50:21,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:21,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:21,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:21,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:21,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:21,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:21,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:21,912 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 80 [2018-12-31 09:50:22,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:22,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:22,152 WARN L181 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 114 [2018-12-31 09:50:22,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:22,412 WARN L181 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2018-12-31 09:50:25,366 WARN L181 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 119 DAG size of output: 16 [2018-12-31 09:50:25,520 WARN L181 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 17 [2018-12-31 09:50:25,913 WARN L181 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 20 [2018-12-31 09:50:27,090 WARN L181 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 120 DAG size of output: 20 [2018-12-31 09:50:27,553 WARN L181 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 27 [2018-12-31 09:50:28,139 WARN L181 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 26 [2018-12-31 09:50:28,372 WARN L181 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 21 [2018-12-31 09:50:28,564 WARN L181 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 19 [2018-12-31 09:50:28,862 WARN L181 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 14 [2018-12-31 09:50:29,330 WARN L181 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 26 [2018-12-31 09:50:29,975 WARN L181 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 20 [2018-12-31 09:50:30,048 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2018-12-31 09:50:30,048 INFO L448 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2018-12-31 09:50:30,048 INFO L448 ceAbstractionStarter]: For program point L796-3(lines 796 800) no Hoare annotation was computed. [2018-12-31 09:50:30,048 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2018-12-31 09:50:30,048 INFO L448 ceAbstractionStarter]: For program point L796-5(lines 796 800) no Hoare annotation was computed. [2018-12-31 09:50:30,048 INFO L448 ceAbstractionStarter]: For program point L631-1(lines 631 648) no Hoare annotation was computed. [2018-12-31 09:50:30,049 INFO L448 ceAbstractionStarter]: For program point L796-6(lines 796 800) no Hoare annotation was computed. [2018-12-31 09:50:30,049 INFO L448 ceAbstractionStarter]: For program point L631-2(lines 631 648) no Hoare annotation was computed. [2018-12-31 09:50:30,049 INFO L448 ceAbstractionStarter]: For program point L631-3(lines 631 648) no Hoare annotation was computed. [2018-12-31 09:50:30,049 INFO L448 ceAbstractionStarter]: For program point L796-8(lines 796 800) no Hoare annotation was computed. [2018-12-31 09:50:30,049 INFO L448 ceAbstractionStarter]: For program point L631-4(lines 631 648) no Hoare annotation was computed. [2018-12-31 09:50:30,049 INFO L448 ceAbstractionStarter]: For program point L631-5(lines 631 648) no Hoare annotation was computed. [2018-12-31 09:50:30,049 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 933) no Hoare annotation was computed. [2018-12-31 09:50:30,049 INFO L444 ceAbstractionStarter]: At program point L599(lines 598 617) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse0 (<= 1 ~waterLevel~0))) (or (and .cse0 (and .cse1 (= ~systemActive~0 1))) (and (= ~systemActive~0 0) (and .cse1 (= ~pumpRunning~0 0)) .cse0))) [2018-12-31 09:50:30,050 INFO L448 ceAbstractionStarter]: For program point L599-1(lines 599 605) no Hoare annotation was computed. [2018-12-31 09:50:30,050 INFO L444 ceAbstractionStarter]: At program point L599-2(lines 598 617) the Hoare annotation is: false [2018-12-31 09:50:30,050 INFO L444 ceAbstractionStarter]: At program point L599-3(lines 598 617) the Hoare annotation is: false [2018-12-31 09:50:30,050 INFO L444 ceAbstractionStarter]: At program point L997(lines 992 1000) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-31 09:50:30,050 INFO L444 ceAbstractionStarter]: At program point L997-1(lines 992 1000) the Hoare annotation is: false [2018-12-31 09:50:30,050 INFO L444 ceAbstractionStarter]: At program point L997-2(lines 992 1000) the Hoare annotation is: false [2018-12-31 09:50:30,050 INFO L444 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:50:30,050 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2018-12-31 09:50:30,050 INFO L448 ceAbstractionStarter]: For program point L635-1(lines 635 643) no Hoare annotation was computed. [2018-12-31 09:50:30,051 INFO L448 ceAbstractionStarter]: For program point L635-2(lines 635 643) no Hoare annotation was computed. [2018-12-31 09:50:30,051 INFO L448 ceAbstractionStarter]: For program point L635-3(lines 635 643) no Hoare annotation was computed. [2018-12-31 09:50:30,051 INFO L448 ceAbstractionStarter]: For program point L635-4(lines 635 643) no Hoare annotation was computed. [2018-12-31 09:50:30,051 INFO L448 ceAbstractionStarter]: For program point L635-5(lines 635 643) no Hoare annotation was computed. [2018-12-31 09:50:30,051 INFO L451 ceAbstractionStarter]: At program point L174(lines 155 177) the Hoare annotation is: true [2018-12-31 09:50:30,051 INFO L444 ceAbstractionStarter]: At program point L141(lines 137 143) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:50:30,051 INFO L444 ceAbstractionStarter]: At program point L802(lines 787 805) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ULTIMATE.start_isLowWaterLevel_~tmp~9 0)) [2018-12-31 09:50:30,051 INFO L444 ceAbstractionStarter]: At program point L802-1(lines 787 805) the Hoare annotation is: false [2018-12-31 09:50:30,052 INFO L444 ceAbstractionStarter]: At program point L802-2(lines 787 805) the Hoare annotation is: false [2018-12-31 09:50:30,052 INFO L448 ceAbstractionStarter]: For program point L870(lines 870 885) no Hoare annotation was computed. [2018-12-31 09:50:30,052 INFO L444 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~systemActive~0 1))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and (= ~systemActive~0 0) (and .cse0 .cse1) .cse3) (and (and .cse0 .cse2) (<= 2 ~waterLevel~0)))) [2018-12-31 09:50:30,052 INFO L444 ceAbstractionStarter]: At program point L606-1(lines 606 612) the Hoare annotation is: false [2018-12-31 09:50:30,052 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 612) the Hoare annotation is: false [2018-12-31 09:50:30,052 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 909) no Hoare annotation was computed. [2018-12-31 09:50:30,052 INFO L448 ceAbstractionStarter]: For program point L905-3(lines 905 909) no Hoare annotation was computed. [2018-12-31 09:50:30,052 INFO L448 ceAbstractionStarter]: For program point L905-6(lines 905 909) no Hoare annotation was computed. [2018-12-31 09:50:30,052 INFO L448 ceAbstractionStarter]: For program point L841(lines 840 889) no Hoare annotation was computed. [2018-12-31 09:50:30,053 INFO L444 ceAbstractionStarter]: At program point L974(lines 969 977) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse0 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 (and .cse1 .cse2 .cse3) .cse4) (and (<= 2 ~waterLevel~0) .cse1 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and (= ~systemActive~0 0) .cse1 .cse0 .cse4 .cse2))) [2018-12-31 09:50:30,053 INFO L444 ceAbstractionStarter]: At program point L974-1(lines 969 977) the Hoare annotation is: false [2018-12-31 09:50:30,053 INFO L444 ceAbstractionStarter]: At program point L974-2(lines 969 977) the Hoare annotation is: false [2018-12-31 09:50:30,053 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 846) no Hoare annotation was computed. [2018-12-31 09:50:30,053 INFO L448 ceAbstractionStarter]: For program point L578(line 578) no Hoare annotation was computed. [2018-12-31 09:50:30,053 INFO L448 ceAbstractionStarter]: For program point L578-1(line 578) no Hoare annotation was computed. [2018-12-31 09:50:30,053 INFO L448 ceAbstractionStarter]: For program point L578-2(line 578) no Hoare annotation was computed. [2018-12-31 09:50:30,053 INFO L444 ceAbstractionStarter]: At program point L942(lines 937 945) the Hoare annotation is: false [2018-12-31 09:50:30,054 INFO L444 ceAbstractionStarter]: At program point L942-1(lines 937 945) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:50:30,054 INFO L444 ceAbstractionStarter]: At program point L942-2(lines 937 945) the Hoare annotation is: false [2018-12-31 09:50:30,054 INFO L444 ceAbstractionStarter]: At program point L942-3(lines 937 945) the Hoare annotation is: false [2018-12-31 09:50:30,054 INFO L448 ceAbstractionStarter]: For program point L810(lines 810 816) no Hoare annotation was computed. [2018-12-31 09:50:30,054 INFO L444 ceAbstractionStarter]: At program point L942-4(lines 937 945) the Hoare annotation is: false [2018-12-31 09:50:30,054 INFO L444 ceAbstractionStarter]: At program point L810-1(lines 810 816) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (= 1 ~waterLevel~0) .cse0 .cse1) (and (<= 2 ~waterLevel~0) (and .cse0 .cse1)))) [2018-12-31 09:50:30,054 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2018-12-31 09:50:30,054 INFO L444 ceAbstractionStarter]: At program point L942-5(lines 937 945) the Hoare annotation is: false [2018-12-31 09:50:30,054 INFO L448 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2018-12-31 09:50:30,055 INFO L448 ceAbstractionStarter]: For program point L777-3(lines 777 781) no Hoare annotation was computed. [2018-12-31 09:50:30,055 INFO L448 ceAbstractionStarter]: For program point L777-5(lines 777 781) no Hoare annotation was computed. [2018-12-31 09:50:30,055 INFO L448 ceAbstractionStarter]: For program point L777-6(lines 777 781) no Hoare annotation was computed. [2018-12-31 09:50:30,055 INFO L448 ceAbstractionStarter]: For program point L777-8(lines 777 781) no Hoare annotation was computed. [2018-12-31 09:50:30,055 INFO L448 ceAbstractionStarter]: For program point L777-9(lines 777 781) no Hoare annotation was computed. [2018-12-31 09:50:30,055 INFO L448 ceAbstractionStarter]: For program point L777-11(lines 777 781) no Hoare annotation was computed. [2018-12-31 09:50:30,055 INFO L448 ceAbstractionStarter]: For program point L777-12(lines 777 781) no Hoare annotation was computed. [2018-12-31 09:50:30,055 INFO L448 ceAbstractionStarter]: For program point L777-14(lines 777 781) no Hoare annotation was computed. [2018-12-31 09:50:30,055 INFO L448 ceAbstractionStarter]: For program point L777-15(lines 777 781) no Hoare annotation was computed. [2018-12-31 09:50:30,055 INFO L448 ceAbstractionStarter]: For program point L777-17(lines 777 781) no Hoare annotation was computed. [2018-12-31 09:50:30,055 INFO L448 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2018-12-31 09:50:30,056 INFO L444 ceAbstractionStarter]: At program point L878-1(lines 599 605) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and (<= 2 ~waterLevel~0) (and .cse0 .cse2)) (and (= ~systemActive~0 0) (and .cse0 .cse1) .cse3))) [2018-12-31 09:50:30,056 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:50:30,056 INFO L444 ceAbstractionStarter]: At program point L783(lines 768 786) the Hoare annotation is: false [2018-12-31 09:50:30,056 INFO L444 ceAbstractionStarter]: At program point L783-1(lines 768 786) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~systemActive~0 1))) (or (and (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse0 .cse1 .cse2) (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2018-12-31 09:50:30,056 INFO L444 ceAbstractionStarter]: At program point L783-2(lines 768 786) the Hoare annotation is: false [2018-12-31 09:50:30,056 INFO L444 ceAbstractionStarter]: At program point L783-3(lines 768 786) the Hoare annotation is: false [2018-12-31 09:50:30,056 INFO L444 ceAbstractionStarter]: At program point L783-4(lines 768 786) the Hoare annotation is: false [2018-12-31 09:50:30,056 INFO L444 ceAbstractionStarter]: At program point L783-5(lines 768 786) the Hoare annotation is: false [2018-12-31 09:50:30,056 INFO L444 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: false [2018-12-31 09:50:30,056 INFO L448 ceAbstractionStarter]: For program point L982(lines 982 988) no Hoare annotation was computed. [2018-12-31 09:50:30,057 INFO L448 ceAbstractionStarter]: For program point L982-1(lines 982 988) no Hoare annotation was computed. [2018-12-31 09:50:30,057 INFO L448 ceAbstractionStarter]: For program point L982-2(lines 982 988) no Hoare annotation was computed. [2018-12-31 09:50:30,057 INFO L448 ceAbstractionStarter]: For program point L982-3(lines 982 988) no Hoare annotation was computed. [2018-12-31 09:50:30,057 INFO L448 ceAbstractionStarter]: For program point L850(lines 850 856) no Hoare annotation was computed. [2018-12-31 09:50:30,057 INFO L448 ceAbstractionStarter]: For program point L982-4(lines 982 988) no Hoare annotation was computed. [2018-12-31 09:50:30,057 INFO L444 ceAbstractionStarter]: At program point L850-1(lines 850 856) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse4 (= ~systemActive~0 0)) (.cse6 (and .cse0 .cse1)) (.cse3 (<= 1 ~waterLevel~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse4 (and .cse5 .cse6)) (and .cse5 (and .cse0 .cse2)) (and .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse6 .cse3 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4))))) [2018-12-31 09:50:30,057 INFO L448 ceAbstractionStarter]: For program point L982-5(lines 982 988) no Hoare annotation was computed. [2018-12-31 09:50:30,057 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:50:30,057 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-31 09:50:30,058 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 921) no Hoare annotation was computed. [2018-12-31 09:50:30,058 INFO L444 ceAbstractionStarter]: At program point L719(lines 712 722) the Hoare annotation is: false [2018-12-31 09:50:30,058 INFO L444 ceAbstractionStarter]: At program point L719-1(lines 712 722) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:50:30,058 INFO L444 ceAbstractionStarter]: At program point L719-2(lines 712 722) the Hoare annotation is: false [2018-12-31 09:50:30,058 INFO L444 ceAbstractionStarter]: At program point L719-3(lines 712 722) the Hoare annotation is: false [2018-12-31 09:50:30,058 INFO L444 ceAbstractionStarter]: At program point L719-4(lines 712 722) the Hoare annotation is: false [2018-12-31 09:50:30,058 INFO L444 ceAbstractionStarter]: At program point L719-5(lines 712 722) the Hoare annotation is: false [2018-12-31 09:50:30,058 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2018-12-31 09:50:30,058 INFO L444 ceAbstractionStarter]: At program point L556-1(lines 1 1000) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 1)) (.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4))) (or (and (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4) (<= 2 ~waterLevel~0) .cse0 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1) (and (= 1 ~waterLevel~0) .cse0 .cse2 .cse1) (and (and .cse0 .cse2 .cse1) .cse3 .cse4 .cse5) (and (= ~systemActive~0 0) .cse3 .cse4 (and .cse0 .cse2) .cse5))) [2018-12-31 09:50:30,059 INFO L448 ceAbstractionStarter]: For program point L556-2(lines 556 569) no Hoare annotation was computed. [2018-12-31 09:50:30,059 INFO L444 ceAbstractionStarter]: At program point L556-3(lines 1 1000) the Hoare annotation is: false [2018-12-31 09:50:30,059 INFO L448 ceAbstractionStarter]: For program point L556-4(lines 556 569) no Hoare annotation was computed. [2018-12-31 09:50:30,059 INFO L444 ceAbstractionStarter]: At program point L556-5(lines 1 1000) the Hoare annotation is: false [2018-12-31 09:50:30,059 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2018-12-31 09:50:30,059 INFO L448 ceAbstractionStarter]: For program point L94-1(lines 599 605) no Hoare annotation was computed. [2018-12-31 09:50:30,059 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:50:30,059 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2018-12-31 09:50:30,059 INFO L444 ceAbstractionStarter]: At program point L987(lines 978 991) the Hoare annotation is: false [2018-12-31 09:50:30,060 INFO L444 ceAbstractionStarter]: At program point L987-1(lines 978 991) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) (<= 1 ~waterLevel~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2018-12-31 09:50:30,060 INFO L444 ceAbstractionStarter]: At program point L987-2(lines 978 991) the Hoare annotation is: false [2018-12-31 09:50:30,060 INFO L444 ceAbstractionStarter]: At program point L987-3(lines 978 991) the Hoare annotation is: false [2018-12-31 09:50:30,060 INFO L444 ceAbstractionStarter]: At program point L987-4(lines 978 991) the Hoare annotation is: false [2018-12-31 09:50:30,060 INFO L444 ceAbstractionStarter]: At program point L987-5(lines 978 991) the Hoare annotation is: false [2018-12-31 09:50:30,060 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2018-12-31 09:50:30,060 INFO L448 ceAbstractionStarter]: For program point L657-1(lines 657 674) no Hoare annotation was computed. [2018-12-31 09:50:30,060 INFO L448 ceAbstractionStarter]: For program point L657-2(lines 657 674) no Hoare annotation was computed. [2018-12-31 09:50:30,060 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2018-12-31 09:50:30,060 INFO L444 ceAbstractionStarter]: At program point L890(lines 839 891) the Hoare annotation is: false [2018-12-31 09:50:30,060 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2018-12-31 09:50:30,061 INFO L448 ceAbstractionStarter]: For program point L560-2(lines 560 566) no Hoare annotation was computed. [2018-12-31 09:50:30,061 INFO L448 ceAbstractionStarter]: For program point L560-4(lines 560 566) no Hoare annotation was computed. [2018-12-31 09:50:30,061 INFO L444 ceAbstractionStarter]: At program point L65(lines 1 1000) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:50:30,061 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:50:30,061 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 172) no Hoare annotation was computed. [2018-12-31 09:50:30,061 INFO L451 ceAbstractionStarter]: At program point L165-1(lines 165 172) the Hoare annotation is: true [2018-12-31 09:50:30,061 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2018-12-31 09:50:30,061 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2018-12-31 09:50:30,061 INFO L448 ceAbstractionStarter]: For program point L694-2(lines 694 700) no Hoare annotation was computed. [2018-12-31 09:50:30,061 INFO L448 ceAbstractionStarter]: For program point L661-1(lines 661 669) no Hoare annotation was computed. [2018-12-31 09:50:30,062 INFO L448 ceAbstractionStarter]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2018-12-31 09:50:30,062 INFO L448 ceAbstractionStarter]: For program point L694-4(lines 694 700) no Hoare annotation was computed. [2018-12-31 09:50:30,062 INFO L448 ceAbstractionStarter]: For program point L694-6(lines 694 700) no Hoare annotation was computed. [2018-12-31 09:50:30,062 INFO L448 ceAbstractionStarter]: For program point L694-8(lines 694 700) no Hoare annotation was computed. [2018-12-31 09:50:30,062 INFO L448 ceAbstractionStarter]: For program point L694-10(lines 694 700) no Hoare annotation was computed. [2018-12-31 09:50:30,062 INFO L448 ceAbstractionStarter]: For program point L860(lines 860 866) no Hoare annotation was computed. [2018-12-31 09:50:30,062 INFO L444 ceAbstractionStarter]: At program point L860-1(lines 860 866) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse4 (= ~systemActive~0 0)) (.cse6 (and .cse0 .cse1)) (.cse3 (<= 1 ~waterLevel~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse4 (and .cse5 .cse6)) (and .cse5 (and .cse0 .cse2)) (and .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse6 .cse3 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4))))) [2018-12-31 09:50:30,062 INFO L444 ceAbstractionStarter]: At program point L728(lines 723 731) the Hoare annotation is: false [2018-12-31 09:50:30,062 INFO L444 ceAbstractionStarter]: At program point L728-1(lines 723 731) the Hoare annotation is: false [2018-12-31 09:50:30,063 INFO L444 ceAbstractionStarter]: At program point L728-2(lines 723 731) the Hoare annotation is: false [2018-12-31 09:50:30,063 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2018-12-31 09:50:30,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:50:30 BoogieIcfgContainer [2018-12-31 09:50:30,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:50:30,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:50:30,093 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:50:30,093 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:50:30,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:50:10" (3/4) ... [2018-12-31 09:50:30,098 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:50:30,136 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:50:30,139 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-31 09:50:30,140 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 09:50:30,146 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-31 09:50:30,147 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:50:30,148 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:50:30,190 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= tmp && 2 <= waterLevel) && splverifierCounter == 0) && 2 <= \result) && systemActive == 1) || (((1 == waterLevel && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && 1 <= \result) && 1 <= waterLevel) && 1 <= tmp)) || ((((systemActive == 0 && 1 <= \result) && 1 <= waterLevel) && splverifierCounter == 0 && pumpRunning == 0) && 1 <= tmp) [2018-12-31 09:50:30,191 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && 1 <= waterLevel) || (systemActive == 0 && 2 <= waterLevel && splverifierCounter == 0 && pumpRunning == 0)) || (2 <= waterLevel && splverifierCounter == 0 && systemActive == 1)) || ((((systemActive == 0 && 1 <= \result) && splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) [2018-12-31 09:50:30,193 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && 1 <= waterLevel) || (systemActive == 0 && 2 <= waterLevel && splverifierCounter == 0 && pumpRunning == 0)) || (2 <= waterLevel && splverifierCounter == 0 && systemActive == 1)) || ((((systemActive == 0 && 1 <= \result) && splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) [2018-12-31 09:50:30,197 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= \result && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && 1 <= waterLevel) || (((2 <= waterLevel && splverifierCounter == 0) && 2 <= \result) && systemActive == 1)) || ((((systemActive == 0 && splverifierCounter == 0) && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) [2018-12-31 09:50:30,199 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == \result && splverifierCounter == 0) && 1 <= waterLevel) && systemActive == 1 [2018-12-31 09:50:30,201 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && systemActive == 1) || (((2 <= waterLevel && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:50:30,203 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && splverifierCounter == 0) && 1 == tmp___0) && 1 == \result) && 1 <= waterLevel) && systemActive == 1) && tmp == 0 [2018-12-31 09:50:30,205 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && 0 == tmp___0) && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) && 1 <= waterLevel) || (((2 <= waterLevel && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:50:30,344 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:50:30,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:50:30,345 INFO L168 Benchmark]: Toolchain (without parser) took 22452.95 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.3 MB). Free memory was 951.3 MB in the beginning and 900.9 MB in the end (delta: 50.5 MB). Peak memory consumption was 369.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:50:30,345 INFO L168 Benchmark]: CDTParser took 0.25 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 09:50:30,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:50:30,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.54 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:50:30,348 INFO L168 Benchmark]: Boogie Preprocessor took 80.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:50:30,348 INFO L168 Benchmark]: RCFGBuilder took 1707.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.8 MB). Peak memory consumption was 73.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:50:30,348 INFO L168 Benchmark]: TraceAbstraction took 19534.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 183.0 MB). Free memory was 1.0 GB in the beginning and 912.5 MB in the end (delta: 130.0 MB). Peak memory consumption was 405.9 MB. Max. memory is 11.5 GB. [2018-12-31 09:50:30,350 INFO L168 Benchmark]: Witness Printer took 251.36 ms. Allocated memory is still 1.3 GB. Free memory was 912.5 MB in the beginning and 900.9 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:50:30,354 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 785.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.54 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1707.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.8 MB). Peak memory consumption was 73.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19534.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 183.0 MB). Free memory was 1.0 GB in the beginning and 912.5 MB in the end (delta: 130.0 MB). Peak memory consumption was 405.9 MB. Max. memory is 11.5 GB. * Witness Printer took 251.36 ms. Allocated memory is still 1.3 GB. Free memory was 912.5 MB in the beginning and 900.9 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 578]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 578]: 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: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (1 <= waterLevel && splverifierCounter == 0 && systemActive == 1) || ((systemActive == 0 && splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && systemActive == 1) || (((2 <= waterLevel && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: (((((0 == \result && 0 == tmp___0) && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) && 1 <= waterLevel) || (((2 <= waterLevel && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && 1 <= waterLevel) || (2 <= waterLevel && splverifierCounter == 0 && systemActive == 1)) || ((systemActive == 0 && splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((2 <= tmp && 2 <= waterLevel) && splverifierCounter == 0) && 2 <= \result) && systemActive == 1) || (((1 == waterLevel && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && 1 <= \result) && 1 <= waterLevel) && 1 <= tmp)) || ((((systemActive == 0 && 1 <= \result) && 1 <= waterLevel) && splverifierCounter == 0 && pumpRunning == 0) && 1 <= tmp) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && 1 <= waterLevel) || (systemActive == 0 && 2 <= waterLevel && splverifierCounter == 0 && pumpRunning == 0)) || (2 <= waterLevel && splverifierCounter == 0 && systemActive == 1)) || ((((systemActive == 0 && 1 <= \result) && splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: (((1 <= \result && (splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && 1 <= waterLevel) || (((2 <= waterLevel && splverifierCounter == 0) && 2 <= \result) && systemActive == 1)) || ((((systemActive == 0 && splverifierCounter == 0) && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: (((((0 == \result && splverifierCounter == 0) && 1 == tmp___0) && 1 == \result) && 1 <= waterLevel) && systemActive == 1) && tmp == 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: ((1 == waterLevel && splverifierCounter == 0) && pumpRunning == 0) || (2 <= waterLevel && splverifierCounter == 0 && pumpRunning == 0) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && 1 <= waterLevel) || (systemActive == 0 && 2 <= waterLevel && splverifierCounter == 0 && pumpRunning == 0)) || (2 <= waterLevel && splverifierCounter == 0 && systemActive == 1)) || ((((systemActive == 0 && 1 <= \result) && splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && 1 <= waterLevel) || ((systemActive == 0 && splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel)) || ((splverifierCounter == 0 && systemActive == 1) && 2 <= waterLevel) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: ((0 == \result && splverifierCounter == 0) && 1 <= waterLevel) && systemActive == 1 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. SAFE Result, 19.4s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 6.5s AutomataDifference, 0.0s DeadEndRemovalTime, 9.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1512 SDtfs, 1843 SDslu, 2184 SDs, 0 SdLazy, 308 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=382occurred in iteration=12, 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: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 1191 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 200 NumberOfFragments, 565 HoareAnnotationTreeSize, 56 FomulaSimplifications, 348976 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 56 FomulaSimplificationsInter, 99612 FormulaSimplificationTreeSizeReductionInter, 7.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 546 NumberOfCodeBlocks, 546 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 532 ConstructedInterpolants, 0 QuantifiedInterpolants, 40812 SizeOfPredicates, 4 NumberOfNonLiveVariables, 418 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 134/140 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...