./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product39_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_spec2_product39_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 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:46:47,094 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:46:47,096 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:46:47,108 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:46:47,109 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:46:47,110 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:46:47,111 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:46:47,113 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:46:47,116 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:46:47,117 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:46:47,118 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:46:47,118 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:46:47,119 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:46:47,120 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:46:47,121 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:46:47,122 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:46:47,123 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:46:47,124 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:46:47,126 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:46:47,128 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:46:47,129 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:46:47,130 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:46:47,133 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:46:47,133 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:46:47,133 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:46:47,134 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:46:47,135 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:46:47,136 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:46:47,137 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:46:47,138 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:46:47,138 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:46:47,139 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:46:47,139 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:46:47,139 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:46:47,141 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:46:47,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:46:47,142 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:46:47,158 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:46:47,158 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:46:47,159 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:46:47,159 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:46:47,160 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:46:47,160 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:46:47,160 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:46:47,160 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:46:47,161 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:46:47,161 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:46:47,161 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:46:47,161 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:46:47,162 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:46:47,162 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:46:47,162 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:46:47,162 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:46:47,163 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:46:47,163 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:46:47,163 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:46:47,163 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:46:47,164 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:46:47,164 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:46:47,164 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:46:47,164 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:46:47,164 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:46:47,165 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:46:47,165 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:46:47,165 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:46:47,165 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 -> 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc [2018-12-31 09:46:47,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:46:47,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:46:47,246 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:46:47,248 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:46:47,248 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:46:47,249 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product39_true-unreach-call_false-termination.cil.c [2018-12-31 09:46:47,322 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24aec6ee4/b9188d00e693428dbaca4f01d589c4c4/FLAG932b80b29 [2018-12-31 09:46:47,825 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:46:47,826 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product39_true-unreach-call_false-termination.cil.c [2018-12-31 09:46:47,842 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24aec6ee4/b9188d00e693428dbaca4f01d589c4c4/FLAG932b80b29 [2018-12-31 09:46:48,113 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24aec6ee4/b9188d00e693428dbaca4f01d589c4c4 [2018-12-31 09:46:48,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:46:48,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:46:48,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:46:48,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:46:48,132 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:46:48,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:46:48" (1/1) ... [2018-12-31 09:46:48,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68686ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:48, skipping insertion in model container [2018-12-31 09:46:48,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:46:48" (1/1) ... [2018-12-31 09:46:48,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:46:48,212 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:46:48,585 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:46:48,599 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:46:48,678 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:46:48,716 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:46:48,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:48 WrapperNode [2018-12-31 09:46:48,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:46:48,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:46:48,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:46:48,718 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:46:48,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:48" (1/1) ... [2018-12-31 09:46:48,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:48" (1/1) ... [2018-12-31 09:46:48,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:46:48,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:46:48,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:46:48,875 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:46:48,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:48" (1/1) ... [2018-12-31 09:46:48,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:48" (1/1) ... [2018-12-31 09:46:48,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:48" (1/1) ... [2018-12-31 09:46:48,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:48" (1/1) ... [2018-12-31 09:46:48,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:48" (1/1) ... [2018-12-31 09:46:48,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:48" (1/1) ... [2018-12-31 09:46:48,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:48" (1/1) ... [2018-12-31 09:46:48,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:46:48,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:46:48,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:46:48,943 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:46:48,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:48" (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 09:46:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:46:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:46:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:46:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:46:50,539 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:46:50,539 INFO L280 CfgBuilder]: Removed 162 assue(true) statements. [2018-12-31 09:46:50,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:46:50 BoogieIcfgContainer [2018-12-31 09:46:50,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:46:50,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:46:50,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:46:50,544 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:46:50,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:46:48" (1/3) ... [2018-12-31 09:46:50,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2c4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:46:50, skipping insertion in model container [2018-12-31 09:46:50,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:48" (2/3) ... [2018-12-31 09:46:50,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2c4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:46:50, skipping insertion in model container [2018-12-31 09:46:50,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:46:50" (3/3) ... [2018-12-31 09:46:50,548 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39_true-unreach-call_false-termination.cil.c [2018-12-31 09:46:50,558 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:46:50,567 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:46:50,581 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:46:50,613 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:46:50,613 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:46:50,614 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:46:50,614 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:46:50,614 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:46:50,614 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:46:50,614 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:46:50,615 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:46:50,615 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:46:50,634 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-12-31 09:46:50,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-31 09:46:50,642 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:50,643 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:46:50,645 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:50,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:50,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1255950434, now seen corresponding path program 1 times [2018-12-31 09:46:50,653 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:50,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:50,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:50,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:50,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:50,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:46:50,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:50,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:46:50,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:46:50,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:46:50,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:46:50,935 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-12-31 09:46:50,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:50,970 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2018-12-31 09:46:50,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:46:50,972 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-31 09:46:50,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:50,985 INFO L225 Difference]: With dead ends: 227 [2018-12-31 09:46:50,985 INFO L226 Difference]: Without dead ends: 113 [2018-12-31 09:46:50,988 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 09:46:51,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-12-31 09:46:51,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-12-31 09:46:51,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-12-31 09:46:51,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2018-12-31 09:46:51,033 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2018-12-31 09:46:51,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:51,034 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2018-12-31 09:46:51,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:46:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2018-12-31 09:46:51,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-31 09:46:51,036 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:51,036 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:46:51,036 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:51,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:51,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1139511005, now seen corresponding path program 1 times [2018-12-31 09:46:51,037 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:51,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:51,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:51,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:51,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:51,231 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 09:46:51,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:51,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:46:51,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:46:51,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:46:51,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:46:51,237 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand 3 states. [2018-12-31 09:46:51,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:51,280 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2018-12-31 09:46:51,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:46:51,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-12-31 09:46:51,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:51,282 INFO L225 Difference]: With dead ends: 113 [2018-12-31 09:46:51,282 INFO L226 Difference]: Without dead ends: 49 [2018-12-31 09:46:51,286 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 09:46:51,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-12-31 09:46:51,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-12-31 09:46:51,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-12-31 09:46:51,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2018-12-31 09:46:51,297 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2018-12-31 09:46:51,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:51,299 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2018-12-31 09:46:51,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:46:51,299 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2018-12-31 09:46:51,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:46:51,300 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:51,300 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 09:46:51,302 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:51,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:51,302 INFO L82 PathProgramCache]: Analyzing trace with hash 2074006335, now seen corresponding path program 1 times [2018-12-31 09:46:51,303 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:51,303 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:51,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:51,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:51,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:51,496 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 09:46:51,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:51,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:46:51,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:46:51,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:46:51,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:46:51,498 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2018-12-31 09:46:51,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:51,564 INFO L93 Difference]: Finished difference Result 133 states and 199 transitions. [2018-12-31 09:46:51,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:46:51,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-31 09:46:51,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:51,568 INFO L225 Difference]: With dead ends: 133 [2018-12-31 09:46:51,568 INFO L226 Difference]: Without dead ends: 91 [2018-12-31 09:46:51,569 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 09:46:51,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-12-31 09:46:51,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2018-12-31 09:46:51,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-12-31 09:46:51,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2018-12-31 09:46:51,593 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 24 [2018-12-31 09:46:51,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:51,593 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2018-12-31 09:46:51,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:46:51,593 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2018-12-31 09:46:51,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-31 09:46:51,595 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:51,596 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 09:46:51,596 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:51,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:51,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1559751670, now seen corresponding path program 1 times [2018-12-31 09:46:51,596 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:51,597 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:51,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:51,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:51,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:51,695 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 09:46:51,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:51,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:46:51,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:46:51,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:46:51,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:46:51,696 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand 3 states. [2018-12-31 09:46:51,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:51,823 INFO L93 Difference]: Finished difference Result 210 states and 319 transitions. [2018-12-31 09:46:51,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:46:51,824 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-12-31 09:46:51,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:51,825 INFO L225 Difference]: With dead ends: 210 [2018-12-31 09:46:51,825 INFO L226 Difference]: Without dead ends: 130 [2018-12-31 09:46:51,827 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 09:46:51,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-12-31 09:46:51,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2018-12-31 09:46:51,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-12-31 09:46:51,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 188 transitions. [2018-12-31 09:46:51,843 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 188 transitions. Word has length 26 [2018-12-31 09:46:51,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:51,844 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 188 transitions. [2018-12-31 09:46:51,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:46:51,844 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 188 transitions. [2018-12-31 09:46:51,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-31 09:46:51,845 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:51,846 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] [2018-12-31 09:46:51,846 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:51,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:51,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1899452984, now seen corresponding path program 1 times [2018-12-31 09:46:51,847 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:51,847 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:51,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:51,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:51,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:51,987 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 09:46:51,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:51,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:46:51,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:46:51,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:46:51,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:46:51,989 INFO L87 Difference]: Start difference. First operand 128 states and 188 transitions. Second operand 5 states. [2018-12-31 09:46:52,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:52,177 INFO L93 Difference]: Finished difference Result 628 states and 933 transitions. [2018-12-31 09:46:52,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-31 09:46:52,180 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-12-31 09:46:52,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:52,184 INFO L225 Difference]: With dead ends: 628 [2018-12-31 09:46:52,186 INFO L226 Difference]: Without dead ends: 507 [2018-12-31 09:46:52,188 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 09:46:52,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2018-12-31 09:46:52,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 235. [2018-12-31 09:46:52,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-12-31 09:46:52,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 340 transitions. [2018-12-31 09:46:52,256 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 340 transitions. Word has length 27 [2018-12-31 09:46:52,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:52,259 INFO L480 AbstractCegarLoop]: Abstraction has 235 states and 340 transitions. [2018-12-31 09:46:52,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:46:52,260 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 340 transitions. [2018-12-31 09:46:52,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-31 09:46:52,261 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:52,261 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:46:52,265 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:52,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:52,266 INFO L82 PathProgramCache]: Analyzing trace with hash 961369152, now seen corresponding path program 1 times [2018-12-31 09:46:52,266 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:52,266 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:52,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:52,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:52,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:52,575 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 09:46:52,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:52,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:46:52,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:46:52,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:46:52,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:46:52,580 INFO L87 Difference]: Start difference. First operand 235 states and 340 transitions. Second operand 5 states. [2018-12-31 09:46:53,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:53,795 INFO L93 Difference]: Finished difference Result 889 states and 1291 transitions. [2018-12-31 09:46:53,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:46:53,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2018-12-31 09:46:53,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:53,801 INFO L225 Difference]: With dead ends: 889 [2018-12-31 09:46:53,801 INFO L226 Difference]: Without dead ends: 661 [2018-12-31 09:46:53,803 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 09:46:53,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2018-12-31 09:46:53,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 233. [2018-12-31 09:46:53,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-12-31 09:46:53,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 334 transitions. [2018-12-31 09:46:53,839 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 334 transitions. Word has length 28 [2018-12-31 09:46:53,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:53,840 INFO L480 AbstractCegarLoop]: Abstraction has 233 states and 334 transitions. [2018-12-31 09:46:53,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:46:53,840 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 334 transitions. [2018-12-31 09:46:53,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-31 09:46:53,842 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:53,842 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] [2018-12-31 09:46:53,843 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:53,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:53,843 INFO L82 PathProgramCache]: Analyzing trace with hash 2078564813, now seen corresponding path program 1 times [2018-12-31 09:46:53,843 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:53,843 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:53,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:53,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:53,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:53,943 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 09:46:53,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:53,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:46:53,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:46:53,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:46:53,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:46:53,945 INFO L87 Difference]: Start difference. First operand 233 states and 334 transitions. Second operand 5 states. [2018-12-31 09:46:54,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:54,494 INFO L93 Difference]: Finished difference Result 639 states and 901 transitions. [2018-12-31 09:46:54,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:46:54,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2018-12-31 09:46:54,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:54,498 INFO L225 Difference]: With dead ends: 639 [2018-12-31 09:46:54,498 INFO L226 Difference]: Without dead ends: 413 [2018-12-31 09:46:54,499 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:46:54,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-12-31 09:46:54,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 257. [2018-12-31 09:46:54,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-12-31 09:46:54,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 358 transitions. [2018-12-31 09:46:54,535 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 358 transitions. Word has length 33 [2018-12-31 09:46:54,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:54,537 INFO L480 AbstractCegarLoop]: Abstraction has 257 states and 358 transitions. [2018-12-31 09:46:54,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:46:54,538 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 358 transitions. [2018-12-31 09:46:54,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-31 09:46:54,542 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:54,542 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] [2018-12-31 09:46:54,543 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:54,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:54,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1515337905, now seen corresponding path program 1 times [2018-12-31 09:46:54,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:54,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:54,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:54,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:54,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:54,653 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 09:46:54,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:54,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:46:54,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 09:46:54,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 09:46:54,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 09:46:54,656 INFO L87 Difference]: Start difference. First operand 257 states and 358 transitions. Second operand 4 states. [2018-12-31 09:46:54,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:54,940 INFO L93 Difference]: Finished difference Result 627 states and 863 transitions. [2018-12-31 09:46:54,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 09:46:54,940 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-12-31 09:46:54,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:54,943 INFO L225 Difference]: With dead ends: 627 [2018-12-31 09:46:54,944 INFO L226 Difference]: Without dead ends: 377 [2018-12-31 09:46:54,945 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 09:46:54,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-12-31 09:46:54,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 273. [2018-12-31 09:46:54,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2018-12-31 09:46:54,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 374 transitions. [2018-12-31 09:46:54,980 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 374 transitions. Word has length 33 [2018-12-31 09:46:54,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:54,980 INFO L480 AbstractCegarLoop]: Abstraction has 273 states and 374 transitions. [2018-12-31 09:46:54,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 09:46:54,980 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 374 transitions. [2018-12-31 09:46:54,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-31 09:46:54,983 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:54,983 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] [2018-12-31 09:46:54,983 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:54,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:54,984 INFO L82 PathProgramCache]: Analyzing trace with hash -2102143919, now seen corresponding path program 1 times [2018-12-31 09:46:54,984 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:54,984 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:54,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:54,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:54,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:55,077 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 09:46:55,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:55,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:46:55,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:46:55,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:46:55,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:46:55,080 INFO L87 Difference]: Start difference. First operand 273 states and 374 transitions. Second operand 3 states. [2018-12-31 09:46:55,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:55,279 INFO L93 Difference]: Finished difference Result 643 states and 875 transitions. [2018-12-31 09:46:55,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:46:55,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-12-31 09:46:55,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:55,283 INFO L225 Difference]: With dead ends: 643 [2018-12-31 09:46:55,283 INFO L226 Difference]: Without dead ends: 377 [2018-12-31 09:46:55,284 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 09:46:55,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-12-31 09:46:55,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2018-12-31 09:46:55,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-12-31 09:46:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 500 transitions. [2018-12-31 09:46:55,332 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 500 transitions. Word has length 33 [2018-12-31 09:46:55,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:55,333 INFO L480 AbstractCegarLoop]: Abstraction has 377 states and 500 transitions. [2018-12-31 09:46:55,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:46:55,333 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 500 transitions. [2018-12-31 09:46:55,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:46:55,334 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:55,335 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 09:46:55,336 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:55,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:55,337 INFO L82 PathProgramCache]: Analyzing trace with hash -207511791, now seen corresponding path program 1 times [2018-12-31 09:46:55,337 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:55,337 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:55,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:55,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:55,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:55,454 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 09:46:55,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:55,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:46:55,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:46:55,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:46:55,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:46:55,455 INFO L87 Difference]: Start difference. First operand 377 states and 500 transitions. Second operand 3 states. [2018-12-31 09:46:55,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:55,660 INFO L93 Difference]: Finished difference Result 579 states and 775 transitions. [2018-12-31 09:46:55,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:46:55,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-12-31 09:46:55,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:55,666 INFO L225 Difference]: With dead ends: 579 [2018-12-31 09:46:55,667 INFO L226 Difference]: Without dead ends: 577 [2018-12-31 09:46:55,667 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 09:46:55,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2018-12-31 09:46:55,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 460. [2018-12-31 09:46:55,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2018-12-31 09:46:55,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 624 transitions. [2018-12-31 09:46:55,740 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 624 transitions. Word has length 34 [2018-12-31 09:46:55,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:55,741 INFO L480 AbstractCegarLoop]: Abstraction has 460 states and 624 transitions. [2018-12-31 09:46:55,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:46:55,741 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 624 transitions. [2018-12-31 09:46:55,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-31 09:46:55,745 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:55,746 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] [2018-12-31 09:46:55,747 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:55,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:55,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1115593900, now seen corresponding path program 1 times [2018-12-31 09:46:55,748 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:55,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:55,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:55,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:55,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:55,837 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-31 09:46:55,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:55,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:46:55,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:46:55,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:46:55,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:46:55,839 INFO L87 Difference]: Start difference. First operand 460 states and 624 transitions. Second operand 3 states. [2018-12-31 09:46:55,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:55,946 INFO L93 Difference]: Finished difference Result 552 states and 745 transitions. [2018-12-31 09:46:55,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:46:55,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-12-31 09:46:55,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:55,949 INFO L225 Difference]: With dead ends: 552 [2018-12-31 09:46:55,950 INFO L226 Difference]: Without dead ends: 228 [2018-12-31 09:46:55,952 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 09:46:55,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-12-31 09:46:55,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2018-12-31 09:46:55,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-12-31 09:46:55,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 297 transitions. [2018-12-31 09:46:55,986 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 297 transitions. Word has length 54 [2018-12-31 09:46:55,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:55,987 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 297 transitions. [2018-12-31 09:46:55,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:46:55,987 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2018-12-31 09:46:55,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-31 09:46:55,990 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:55,990 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:46:55,990 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:55,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:55,991 INFO L82 PathProgramCache]: Analyzing trace with hash -540947520, now seen corresponding path program 1 times [2018-12-31 09:46:55,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:55,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:55,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:55,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:55,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:56,573 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-31 09:46:56,573 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 09:46:56,573 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 09:46:56,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:56,738 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 09:46:57,597 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-31 09:46:57,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-31 09:46:57,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2018-12-31 09:46:57,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-31 09:46:57,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-31 09:46:57,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-12-31 09:46:57,634 INFO L87 Difference]: Start difference. First operand 228 states and 297 transitions. Second operand 12 states. [2018-12-31 09:46:58,782 WARN L181 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-12-31 09:46:59,197 WARN L181 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-12-31 09:46:59,936 WARN L181 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-12-31 09:47:00,575 WARN L181 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 8 [2018-12-31 09:47:00,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:47:00,611 INFO L93 Difference]: Finished difference Result 741 states and 963 transitions. [2018-12-31 09:47:00,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-31 09:47:00,613 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 56 [2018-12-31 09:47:00,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:47:00,617 INFO L225 Difference]: With dead ends: 741 [2018-12-31 09:47:00,618 INFO L226 Difference]: Without dead ends: 520 [2018-12-31 09:47:00,619 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2018-12-31 09:47:00,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2018-12-31 09:47:00,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 205. [2018-12-31 09:47:00,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-12-31 09:47:00,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 260 transitions. [2018-12-31 09:47:00,654 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 260 transitions. Word has length 56 [2018-12-31 09:47:00,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:47:00,655 INFO L480 AbstractCegarLoop]: Abstraction has 205 states and 260 transitions. [2018-12-31 09:47:00,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-31 09:47:00,655 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 260 transitions. [2018-12-31 09:47:00,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-31 09:47:00,658 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:47:00,658 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:47:00,658 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:47:00,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:47:00,660 INFO L82 PathProgramCache]: Analyzing trace with hash -2106888905, now seen corresponding path program 1 times [2018-12-31 09:47:00,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:47:00,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:47:00,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:00,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:47:00,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:47:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:47:00,819 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:47:00,819 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 09:47:00,819 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-31 09:47:00,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:47:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:47:00,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 09:47:01,001 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:47:01,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-31 09:47:01,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-12-31 09:47:01,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:47:01,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:47:01,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:47:01,027 INFO L87 Difference]: Start difference. First operand 205 states and 260 transitions. Second operand 5 states. [2018-12-31 09:47:01,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:47:01,317 INFO L93 Difference]: Finished difference Result 325 states and 420 transitions. [2018-12-31 09:47:01,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 09:47:01,319 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2018-12-31 09:47:01,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:47:01,319 INFO L225 Difference]: With dead ends: 325 [2018-12-31 09:47:01,319 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:47:01,321 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:47:01,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:47:01,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:47:01,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:47:01,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:47:01,324 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-12-31 09:47:01,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:47:01,324 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:47:01,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:47:01,325 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:47:01,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:47:01,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:47:01,482 WARN L181 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2018-12-31 09:47:01,592 WARN L181 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2018-12-31 09:47:01,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:01,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:01,705 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 96 [2018-12-31 09:47:01,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:01,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:01,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:01,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:01,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:01,958 WARN L181 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 96 [2018-12-31 09:47:02,156 WARN L181 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 121 [2018-12-31 09:47:02,333 WARN L181 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 124 [2018-12-31 09:47:02,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:02,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:02,523 WARN L181 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 116 [2018-12-31 09:47:02,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:02,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:02,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:02,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:02,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:02,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:02,665 WARN L181 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 104 [2018-12-31 09:47:02,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:02,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:47:05,132 WARN L181 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 73 DAG size of output: 24 [2018-12-31 09:47:05,541 WARN L181 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 6 [2018-12-31 09:47:06,127 WARN L181 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 30 [2018-12-31 09:47:06,510 WARN L181 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 26 [2018-12-31 09:47:07,053 WARN L181 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 30 [2018-12-31 09:47:07,714 WARN L181 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 29 [2018-12-31 09:47:08,209 WARN L181 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 28 [2018-12-31 09:47:08,637 WARN L181 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 24 [2018-12-31 09:47:08,972 WARN L181 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 29 [2018-12-31 09:47:09,302 WARN L181 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 26 [2018-12-31 09:47:09,381 INFO L444 ceAbstractionStarter]: At program point L135(lines 126 139) the Hoare annotation is: false [2018-12-31 09:47:09,381 INFO L444 ceAbstractionStarter]: At program point L135-1(lines 126 139) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse3 (and .cse0 .cse1)) (.cse4 (= ~systemActive~0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1))) (or (and (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) .cse2) (and (and (= ~methAndRunningLastTime~0 0) .cse3 .cse4) .cse2) (and (and (and .cse3 (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)) .cse4) .cse2)))) [2018-12-31 09:47:09,381 INFO L444 ceAbstractionStarter]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2018-12-31 09:47:09,381 INFO L444 ceAbstractionStarter]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2018-12-31 09:47:09,382 INFO L444 ceAbstractionStarter]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2018-12-31 09:47:09,382 INFO L444 ceAbstractionStarter]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2018-12-31 09:47:09,382 INFO L448 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2018-12-31 09:47:09,382 INFO L448 ceAbstractionStarter]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2018-12-31 09:47:09,382 INFO L448 ceAbstractionStarter]: For program point L532-3(lines 532 536) no Hoare annotation was computed. [2018-12-31 09:47:09,382 INFO L448 ceAbstractionStarter]: For program point L532-5(lines 532 536) no Hoare annotation was computed. [2018-12-31 09:47:09,382 INFO L448 ceAbstractionStarter]: For program point L532-6(lines 532 536) no Hoare annotation was computed. [2018-12-31 09:47:09,382 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 278) no Hoare annotation was computed. [2018-12-31 09:47:09,382 INFO L448 ceAbstractionStarter]: For program point L532-8(lines 532 536) no Hoare annotation was computed. [2018-12-31 09:47:09,382 INFO L448 ceAbstractionStarter]: For program point L532-9(lines 532 536) no Hoare annotation was computed. [2018-12-31 09:47:09,383 INFO L444 ceAbstractionStarter]: At program point L202(lines 198 204) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:47:09,383 INFO L448 ceAbstractionStarter]: For program point L268-2(lines 268 278) no Hoare annotation was computed. [2018-12-31 09:47:09,383 INFO L448 ceAbstractionStarter]: For program point L532-11(lines 532 536) no Hoare annotation was computed. [2018-12-31 09:47:09,383 INFO L448 ceAbstractionStarter]: For program point L532-12(lines 532 536) no Hoare annotation was computed. [2018-12-31 09:47:09,383 INFO L448 ceAbstractionStarter]: For program point L268-4(lines 268 278) no Hoare annotation was computed. [2018-12-31 09:47:09,383 INFO L448 ceAbstractionStarter]: For program point L532-14(lines 532 536) no Hoare annotation was computed. [2018-12-31 09:47:09,383 INFO L448 ceAbstractionStarter]: For program point L532-15(lines 532 536) no Hoare annotation was computed. [2018-12-31 09:47:09,383 INFO L448 ceAbstractionStarter]: For program point L532-17(lines 532 536) no Hoare annotation was computed. [2018-12-31 09:47:09,383 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 442) no Hoare annotation was computed. [2018-12-31 09:47:09,383 INFO L448 ceAbstractionStarter]: For program point L434-1(lines 434 442) no Hoare annotation was computed. [2018-12-31 09:47:09,383 INFO L448 ceAbstractionStarter]: For program point L434-2(lines 434 442) no Hoare annotation was computed. [2018-12-31 09:47:09,384 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 275) no Hoare annotation was computed. [2018-12-31 09:47:09,384 INFO L448 ceAbstractionStarter]: For program point L269-2(lines 269 275) no Hoare annotation was computed. [2018-12-31 09:47:09,384 INFO L448 ceAbstractionStarter]: For program point L269-4(lines 269 275) no Hoare annotation was computed. [2018-12-31 09:47:09,384 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 349) no Hoare annotation was computed. [2018-12-31 09:47:09,384 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 421) no Hoare annotation was computed. [2018-12-31 09:47:09,384 INFO L448 ceAbstractionStarter]: For program point L404-1(lines 404 421) no Hoare annotation was computed. [2018-12-31 09:47:09,384 INFO L448 ceAbstractionStarter]: For program point L404-2(lines 404 421) no Hoare annotation was computed. [2018-12-31 09:47:09,384 INFO L448 ceAbstractionStarter]: For program point L404-3(lines 404 421) no Hoare annotation was computed. [2018-12-31 09:47:09,384 INFO L448 ceAbstractionStarter]: For program point L404-4(lines 404 421) no Hoare annotation was computed. [2018-12-31 09:47:09,384 INFO L448 ceAbstractionStarter]: For program point L404-5(lines 404 421) no Hoare annotation was computed. [2018-12-31 09:47:09,385 INFO L444 ceAbstractionStarter]: At program point L372(lines 371 390) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0))) (let ((.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse7 (and .cse3 .cse6)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~systemActive~0 ~methaneLevelCritical~0)) (.cse4 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (and .cse5 .cse3 .cse6) .cse4) (and .cse0 (and .cse5 .cse3) .cse4) (and .cse0 .cse2 .cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4) (and (= ~systemActive~0 0) .cse7) (and (and .cse7 .cse1 .cse2) .cse4)))) [2018-12-31 09:47:09,385 INFO L448 ceAbstractionStarter]: For program point L372-1(lines 372 378) no Hoare annotation was computed. [2018-12-31 09:47:09,385 INFO L444 ceAbstractionStarter]: At program point L372-2(lines 371 390) the Hoare annotation is: false [2018-12-31 09:47:09,385 INFO L444 ceAbstractionStarter]: At program point L372-3(lines 371 390) the Hoare annotation is: false [2018-12-31 09:47:09,385 INFO L451 ceAbstractionStarter]: At program point L240(lines 221 243) the Hoare annotation is: true [2018-12-31 09:47:09,385 INFO L444 ceAbstractionStarter]: At program point L538(lines 523 541) the Hoare annotation is: false [2018-12-31 09:47:09,385 INFO L444 ceAbstractionStarter]: At program point L538-1(lines 523 541) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse4 (and .cse0 .cse1)) (.cse3 (= ~systemActive~0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1))) (or (and (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) .cse2) (and (and .cse3 (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) .cse4)) .cse2) (and (and (= ~methAndRunningLastTime~0 0) .cse4 .cse3) .cse2)))) [2018-12-31 09:47:09,385 INFO L444 ceAbstractionStarter]: At program point L538-2(lines 523 541) the Hoare annotation is: false [2018-12-31 09:47:09,386 INFO L444 ceAbstractionStarter]: At program point L538-3(lines 523 541) the Hoare annotation is: false [2018-12-31 09:47:09,386 INFO L444 ceAbstractionStarter]: At program point L538-4(lines 523 541) the Hoare annotation is: false [2018-12-31 09:47:09,386 INFO L444 ceAbstractionStarter]: At program point L538-5(lines 523 541) the Hoare annotation is: false [2018-12-31 09:47:09,386 INFO L448 ceAbstractionStarter]: For program point L307(lines 306 353) no Hoare annotation was computed. [2018-12-31 09:47:09,386 INFO L448 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2018-12-31 09:47:09,386 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 81) no Hoare annotation was computed. [2018-12-31 09:47:09,386 INFO L444 ceAbstractionStarter]: At program point L474(lines 467 477) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 (and (= 0 ~methaneLevelCritical~0) .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse2) (and .cse0 (= ~systemActive~0 ~methaneLevelCritical~0) .cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2))) [2018-12-31 09:47:09,386 INFO L444 ceAbstractionStarter]: At program point L474-1(lines 467 477) the Hoare annotation is: false [2018-12-31 09:47:09,386 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 416) no Hoare annotation was computed. [2018-12-31 09:47:09,387 INFO L444 ceAbstractionStarter]: At program point L474-2(lines 467 477) the Hoare annotation is: false [2018-12-31 09:47:09,387 INFO L448 ceAbstractionStarter]: For program point L408-1(lines 408 416) no Hoare annotation was computed. [2018-12-31 09:47:09,387 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 348) no Hoare annotation was computed. [2018-12-31 09:47:09,387 INFO L448 ceAbstractionStarter]: For program point L408-2(lines 408 416) no Hoare annotation was computed. [2018-12-31 09:47:09,387 INFO L444 ceAbstractionStarter]: At program point L342-1(lines 372 378) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0))) (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (and .cse5 .cse6)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= ~systemActive~0 ~methaneLevelCritical~0)) (.cse3 (= ~systemActive~0 1))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and (and (and .cse4 .cse5 .cse6) .cse0) .cse3) (and .cse7 (and .cse4 .cse5) .cse3) (and .cse7 .cse1 .cse5 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and (= ~systemActive~0 0) .cse2) (and .cse7 .cse0 .cse1 .cse5 .cse3)))) [2018-12-31 09:47:09,387 INFO L448 ceAbstractionStarter]: For program point L408-3(lines 408 416) no Hoare annotation was computed. [2018-12-31 09:47:09,387 INFO L448 ceAbstractionStarter]: For program point L408-4(lines 408 416) no Hoare annotation was computed. [2018-12-31 09:47:09,387 INFO L448 ceAbstractionStarter]: For program point L408-5(lines 408 416) no Hoare annotation was computed. [2018-12-31 09:47:09,387 INFO L444 ceAbstractionStarter]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0))) (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= ~systemActive~0 ~methaneLevelCritical~0)) (.cse6 (and .cse1 .cse2))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse4 (= ~methAndRunningLastTime~0 0) .cse5 .cse1 .cse3) (and (= ~systemActive~0 0) .cse6) (and .cse4 .cse0 .cse1 .cse3) (and .cse3 (and .cse5 .cse6))))) [2018-12-31 09:47:09,388 INFO L444 ceAbstractionStarter]: At program point L379-1(lines 379 385) the Hoare annotation is: false [2018-12-31 09:47:09,388 INFO L444 ceAbstractionStarter]: At program point L379-2(lines 379 385) the Hoare annotation is: false [2018-12-31 09:47:09,388 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2018-12-31 09:47:09,388 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2018-12-31 09:47:09,388 INFO L444 ceAbstractionStarter]: At program point L546-1(lines 546 552) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2018-12-31 09:47:09,388 INFO L444 ceAbstractionStarter]: At program point L580(lines 1 957) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:47:09,388 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 322) no Hoare annotation was computed. [2018-12-31 09:47:09,388 INFO L444 ceAbstractionStarter]: At program point L316-1(lines 316 322) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~pumpRunning~0 0))) (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (and .cse2 .cse3)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse7 (= ~systemActive~0 ~methaneLevelCritical~0)) (.cse8 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= ~systemActive~0 1))) (or (and (and .cse0 (and .cse1 .cse2 .cse3)) .cse4) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse5 .cse0 .cse1 .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4) (and (and .cse6 .cse0 .cse7 .cse8) .cse4) (and .cse6 (= ~systemActive~0 0) .cse0) (and .cse5 .cse7 .cse2 .cse8 .cse4)))) [2018-12-31 09:47:09,389 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2018-12-31 09:47:09,389 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:47:09,389 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 57) no Hoare annotation was computed. [2018-12-31 09:47:09,389 INFO L448 ceAbstractionStarter]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2018-12-31 09:47:09,389 INFO L448 ceAbstractionStarter]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2018-12-31 09:47:09,389 INFO L444 ceAbstractionStarter]: At program point L483(lines 478 486) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (let ((.cse0 (= ~systemActive~0 ~methaneLevelCritical~0)) (.cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= ~systemActive~0 1)) (.cse2 (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse4 (= ~pumpRunning~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) .cse0 .cse4 .cse1 .cse3) (and .cse2 (= ~systemActive~0 0))))) [2018-12-31 09:47:09,389 INFO L444 ceAbstractionStarter]: At program point L483-1(lines 478 486) the Hoare annotation is: false [2018-12-31 09:47:09,389 INFO L444 ceAbstractionStarter]: At program point L483-2(lines 478 486) the Hoare annotation is: false [2018-12-31 09:47:09,389 INFO L444 ceAbstractionStarter]: At program point L153-2(lines 153 167) the Hoare annotation is: false [2018-12-31 09:47:09,390 INFO L444 ceAbstractionStarter]: At program point L253(lines 248 255) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:47:09,390 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-31 09:47:09,390 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2018-12-31 09:47:09,390 INFO L444 ceAbstractionStarter]: At program point L354(lines 305 355) the Hoare annotation is: false [2018-12-31 09:47:09,390 INFO L444 ceAbstractionStarter]: At program point L90(lines 85 93) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 (and (= 0 ~methaneLevelCritical~0) .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse2) (and .cse0 (= ~systemActive~0 ~methaneLevelCritical~0) .cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2))) [2018-12-31 09:47:09,390 INFO L444 ceAbstractionStarter]: At program point L90-1(lines 85 93) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ~pumpRunning~0 0))) (let ((.cse5 (and .cse2 .cse8)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (= ~systemActive~0 ~methaneLevelCritical~0)) (.cse7 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse4) (and (= ~systemActive~0 0) .cse5) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse6 .cse2 .cse7 .cse4) (and (and .cse1 .cse2 .cse3 .cse8) .cse4)))) [2018-12-31 09:47:09,390 INFO L444 ceAbstractionStarter]: At program point L90-2(lines 85 93) the Hoare annotation is: false [2018-12-31 09:47:09,390 INFO L444 ceAbstractionStarter]: At program point L90-3(lines 85 93) the Hoare annotation is: false [2018-12-31 09:47:09,390 INFO L444 ceAbstractionStarter]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2018-12-31 09:47:09,391 INFO L444 ceAbstractionStarter]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2018-12-31 09:47:09,391 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:47:09,391 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-12-31 09:47:09,391 INFO L448 ceAbstractionStarter]: For program point L157-1(lines 372 378) no Hoare annotation was computed. [2018-12-31 09:47:09,391 INFO L448 ceAbstractionStarter]: For program point L290(line 290) no Hoare annotation was computed. [2018-12-31 09:47:09,391 INFO L448 ceAbstractionStarter]: For program point L290-1(line 290) no Hoare annotation was computed. [2018-12-31 09:47:09,391 INFO L448 ceAbstractionStarter]: For program point L290-2(line 290) no Hoare annotation was computed. [2018-12-31 09:47:09,391 INFO L444 ceAbstractionStarter]: At program point L588(lines 583 591) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:47:09,391 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:47:09,391 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 332) no Hoare annotation was computed. [2018-12-31 09:47:09,392 INFO L444 ceAbstractionStarter]: At program point L326-1(lines 326 332) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= ~pumpRunning~0 0))) (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (and .cse5 .cse7)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 ~methaneLevelCritical~0)) (.cse3 (= ~systemActive~0 1))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse4 .cse0 .cse1 .cse5 .cse3) (and (and (and .cse6 .cse5 .cse7) .cse0) .cse3) (and (= ~systemActive~0 0) .cse0 .cse2) (and .cse4 (and .cse6 .cse5) .cse3) (and .cse4 .cse1 .cse5 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3)))) [2018-12-31 09:47:09,392 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-12-31 09:47:09,392 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2018-12-31 09:47:09,392 INFO L448 ceAbstractionStarter]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2018-12-31 09:47:09,392 INFO L448 ceAbstractionStarter]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2018-12-31 09:47:09,392 INFO L448 ceAbstractionStarter]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2018-12-31 09:47:09,392 INFO L448 ceAbstractionStarter]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2018-12-31 09:47:09,392 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2018-12-31 09:47:09,392 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:47:09,392 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 281) no Hoare annotation was computed. [2018-12-31 09:47:09,393 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 238) no Hoare annotation was computed. [2018-12-31 09:47:09,393 INFO L444 ceAbstractionStarter]: At program point L264-1(lines 1 957) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~pumpRunning~0 0))) (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (and .cse2 .cse3)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse7 (= ~systemActive~0 ~methaneLevelCritical~0)) (.cse8 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= ~systemActive~0 1))) (or (and (and .cse0 (and .cse1 .cse2 .cse3)) .cse4) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse5 .cse0 .cse1 .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4) (and (and .cse6 .cse0 .cse7 .cse8) .cse4) (and .cse6 (= ~systemActive~0 0) .cse0) (and .cse5 .cse7 .cse2 .cse8 .cse4)))) [2018-12-31 09:47:09,393 INFO L448 ceAbstractionStarter]: For program point L264-2(lines 264 281) no Hoare annotation was computed. [2018-12-31 09:47:09,393 INFO L451 ceAbstractionStarter]: At program point L231-1(lines 231 238) the Hoare annotation is: true [2018-12-31 09:47:09,393 INFO L444 ceAbstractionStarter]: At program point L264-3(lines 1 957) the Hoare annotation is: false [2018-12-31 09:47:09,393 INFO L448 ceAbstractionStarter]: For program point L264-4(lines 264 281) no Hoare annotation was computed. [2018-12-31 09:47:09,393 INFO L444 ceAbstractionStarter]: At program point L264-5(lines 1 957) the Hoare annotation is: false [2018-12-31 09:47:09,393 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 447) no Hoare annotation was computed. [2018-12-31 09:47:09,393 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 430 447) no Hoare annotation was computed. [2018-12-31 09:47:09,393 INFO L448 ceAbstractionStarter]: For program point L430-2(lines 430 447) no Hoare annotation was computed. [2018-12-31 09:47:09,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:47:09 BoogieIcfgContainer [2018-12-31 09:47:09,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:47:09,427 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:47:09,427 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:47:09,427 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:47:09,428 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:46:50" (3/4) ... [2018-12-31 09:47:09,432 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:47:09,453 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:47:09,454 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-31 09:47:09,455 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 09:47:09,456 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 09:47:09,457 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:47:09,458 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:47:09,492 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methAndRunningLastTime == 0 && (0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || ((((((tmp == 0 && 1 <= pumpRunning) && methAndRunningLastTime == 0) && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == \result) && systemActive == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && systemActive == methaneLevelCritical) && 1 <= \result) && systemActive == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && systemActive == methaneLevelCritical) && splverifierCounter == 0) && 1 <= \result) && systemActive == 1) [2018-12-31 09:47:09,493 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methAndRunningLastTime == 0 && (0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || ((((((tmp == 0 && 1 <= pumpRunning) && methAndRunningLastTime == 0) && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == \result) && systemActive == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && systemActive == methaneLevelCritical) && 1 <= \result) && systemActive == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && systemActive == methaneLevelCritical) && splverifierCounter == 0) && 1 <= \result) && systemActive == 1) [2018-12-31 09:47:09,493 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methAndRunningLastTime == 0 && systemActive == methaneLevelCritical) && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && systemActive == methaneLevelCritical) && splverifierCounter == 0) && systemActive == 1)) || ((((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && systemActive == 1)) || ((systemActive == 0 && methAndRunningLastTime == 0) && splverifierCounter == 0 && pumpRunning == 0)) || ((1 <= pumpRunning && 0 == methaneLevelCritical && splverifierCounter == 0) && systemActive == 1)) || ((((1 <= pumpRunning && systemActive == methaneLevelCritical) && splverifierCounter == 0) && 1 <= \result) && systemActive == 1) [2018-12-31 09:47:09,496 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methAndRunningLastTime == 0 && systemActive == methaneLevelCritical) && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) || ((((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && systemActive == 1)) || ((1 <= pumpRunning && 0 == methaneLevelCritical && splverifierCounter == 0) && systemActive == 1)) || ((((1 <= pumpRunning && systemActive == methaneLevelCritical) && splverifierCounter == 0) && 1 <= \result) && systemActive == 1)) || (systemActive == 0 && splverifierCounter == 0 && pumpRunning == 0)) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && systemActive == methaneLevelCritical) && splverifierCounter == 0) && systemActive == 1) [2018-12-31 09:47:09,496 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && methAndRunningLastTime == 0) && systemActive == methaneLevelCritical) && splverifierCounter == 0) && systemActive == 1) || (((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1)) || ((1 <= pumpRunning && 0 == methaneLevelCritical && splverifierCounter == 0) && systemActive == 1)) || ((((1 <= pumpRunning && systemActive == methaneLevelCritical) && splverifierCounter == 0) && 1 <= \result) && systemActive == 1)) || (systemActive == 0 && splverifierCounter == 0 && pumpRunning == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && systemActive == methaneLevelCritical) && systemActive == 1) [2018-12-31 09:47:09,497 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && systemActive == methaneLevelCritical) && 1 <= \result) && systemActive == 1)) || (systemActive == 0 && splverifierCounter == 0 && pumpRunning == 0)) || (((((1 <= pumpRunning && methAndRunningLastTime == 0) && systemActive == methaneLevelCritical) && splverifierCounter == 0) && 1 <= \result) && systemActive == 1)) || ((((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:47:09,500 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 <= pumpRunning && (0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || ((((1 <= pumpRunning && systemActive == methaneLevelCritical) && splverifierCounter == 0) && 1 <= \result) && systemActive == 1) [2018-12-31 09:47:09,501 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 <= pumpRunning && (0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || (((((1 <= pumpRunning && systemActive == methaneLevelCritical) && splverifierCounter == 0) && 1 <= \result) && 1 <= \result) && systemActive == 1) [2018-12-31 09:47:09,502 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || (((methAndRunningLastTime == 0 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == methaneLevelCritical) && systemActive == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == \result) && systemActive == methaneLevelCritical) && systemActive == 1) [2018-12-31 09:47:09,502 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((systemActive == methaneLevelCritical && 1 <= \result) && (0 == \result && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || (((((1 <= pumpRunning && methAndRunningLastTime == 0) && systemActive == methaneLevelCritical) && splverifierCounter == 0) && 1 <= \result) && systemActive == 1)) || (((0 == \result && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 0) [2018-12-31 09:47:09,504 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || ((systemActive == methaneLevelCritical && (0 == \result && 0 == tmp___0) && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((methAndRunningLastTime == 0 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == methaneLevelCritical) && systemActive == 1) [2018-12-31 09:47:09,605 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:47:09,606 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:47:09,607 INFO L168 Benchmark]: Toolchain (without parser) took 21486.48 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 309.9 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -58.3 MB). Peak memory consumption was 251.6 MB. Max. memory is 11.5 GB. [2018-12-31 09:47:09,608 INFO L168 Benchmark]: CDTParser took 0.18 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 09:47:09,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.98 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 924.5 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-12-31 09:47:09,608 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -201.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:47:09,610 INFO L168 Benchmark]: Boogie Preprocessor took 67.59 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 09:47:09,611 INFO L168 Benchmark]: RCFGBuilder took 1597.59 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: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. [2018-12-31 09:47:09,611 INFO L168 Benchmark]: TraceAbstraction took 18885.69 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 392.6 MB. Max. memory is 11.5 GB. [2018-12-31 09:47:09,612 INFO L168 Benchmark]: Witness Printer took 179.18 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-12-31 09:47:09,615 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 589.98 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 924.5 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 156.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -201.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.59 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 1597.59 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: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18885.69 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 392.6 MB. Max. memory is 11.5 GB. * Witness Printer took 179.18 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 290]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 290]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 290]: 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: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || (((methAndRunningLastTime == 0 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == methaneLevelCritical) && systemActive == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == \result) && systemActive == methaneLevelCritical) && systemActive == 1) - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((methAndRunningLastTime == 0 && (0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || ((((((tmp == 0 && 1 <= pumpRunning) && methAndRunningLastTime == 0) && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == \result) && systemActive == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && systemActive == methaneLevelCritical) && 1 <= \result) && systemActive == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && systemActive == methaneLevelCritical) && splverifierCounter == 0) && 1 <= \result) && systemActive == 1) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((1 <= pumpRunning && (0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || ((((1 <= pumpRunning && systemActive == methaneLevelCritical) && splverifierCounter == 0) && 1 <= \result) && systemActive == 1) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || ((systemActive == methaneLevelCritical && (0 == \result && 0 == tmp___0) && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1)) || (((methAndRunningLastTime == 0 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == methaneLevelCritical) && systemActive == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((((systemActive == methaneLevelCritical && 1 <= \result) && (0 == \result && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || (((((1 <= pumpRunning && methAndRunningLastTime == 0) && systemActive == methaneLevelCritical) && splverifierCounter == 0) && 1 <= \result) && systemActive == 1)) || (((0 == \result && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 0) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((methAndRunningLastTime == 0 && (0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || ((((((tmp == 0 && 1 <= pumpRunning) && methAndRunningLastTime == 0) && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == \result) && systemActive == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && systemActive == methaneLevelCritical) && 1 <= \result) && systemActive == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && systemActive == methaneLevelCritical) && splverifierCounter == 0) && 1 <= \result) && systemActive == 1) - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: (((((((methAndRunningLastTime == 0 && systemActive == methaneLevelCritical) && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) || ((((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && systemActive == 1)) || ((1 <= pumpRunning && 0 == methaneLevelCritical && splverifierCounter == 0) && systemActive == 1)) || ((((1 <= pumpRunning && systemActive == methaneLevelCritical) && splverifierCounter == 0) && 1 <= \result) && systemActive == 1)) || (systemActive == 0 && splverifierCounter == 0 && pumpRunning == 0)) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && systemActive == methaneLevelCritical) && splverifierCounter == 0) && systemActive == 1) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && methAndRunningLastTime == 0) && systemActive == methaneLevelCritical) && splverifierCounter == 0) && systemActive == 1) || (((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1)) || ((1 <= pumpRunning && 0 == methaneLevelCritical && splverifierCounter == 0) && systemActive == 1)) || ((((1 <= pumpRunning && systemActive == methaneLevelCritical) && splverifierCounter == 0) && 1 <= \result) && systemActive == 1)) || (systemActive == 0 && splverifierCounter == 0 && pumpRunning == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && systemActive == methaneLevelCritical) && systemActive == 1) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && systemActive == methaneLevelCritical) && splverifierCounter == 0) && systemActive == 1)) || (systemActive == 0 && splverifierCounter == 0 && pumpRunning == 0)) || (((1 <= pumpRunning && 0 == methaneLevelCritical) && splverifierCounter == 0) && systemActive == 1)) || (systemActive == 1 && systemActive == methaneLevelCritical && splverifierCounter == 0 && pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: (((((((methAndRunningLastTime == 0 && systemActive == methaneLevelCritical) && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && systemActive == methaneLevelCritical) && splverifierCounter == 0) && systemActive == 1)) || ((((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && systemActive == 1)) || ((systemActive == 0 && methAndRunningLastTime == 0) && splverifierCounter == 0 && pumpRunning == 0)) || ((1 <= pumpRunning && 0 == methaneLevelCritical && splverifierCounter == 0) && systemActive == 1)) || ((((1 <= pumpRunning && systemActive == methaneLevelCritical) && splverifierCounter == 0) && 1 <= \result) && systemActive == 1) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && systemActive == methaneLevelCritical) && 1 <= \result) && systemActive == 1)) || (systemActive == 0 && splverifierCounter == 0 && pumpRunning == 0)) || (((((1 <= pumpRunning && methAndRunningLastTime == 0) && systemActive == methaneLevelCritical) && splverifierCounter == 0) && 1 <= \result) && systemActive == 1)) || ((((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: ((1 <= pumpRunning && (0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || (((((1 <= pumpRunning && systemActive == methaneLevelCritical) && splverifierCounter == 0) && 1 <= \result) && 1 <= \result) && systemActive == 1) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. SAFE Result, 18.7s OverallTime, 13 OverallIterations, 2 TraceHistogramMax, 6.3s AutomataDifference, 0.0s DeadEndRemovalTime, 8.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1256 SDtfs, 1479 SDslu, 2134 SDs, 0 SdLazy, 290 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=460occurred in iteration=10, 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, 1398 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 154 NumberOfFragments, 947 HoareAnnotationTreeSize, 45 FomulaSimplifications, 128554 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 45 FomulaSimplificationsInter, 51657 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 47208 SizeOfPredicates, 7 NumberOfNonLiveVariables, 834 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 79/98 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...