./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product58_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_spec1_product58_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 454aaa6b423a8831b8582dfeb545ec6b3447f968 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:45:13,455 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:45:13,457 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:45:13,479 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:45:13,479 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:45:13,480 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:45:13,481 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:45:13,490 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:45:13,492 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:45:13,493 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:45:13,494 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:45:13,494 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:45:13,495 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:45:13,496 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:45:13,497 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:45:13,498 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:45:13,499 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:45:13,501 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:45:13,502 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:45:13,504 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:45:13,505 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:45:13,506 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:45:13,508 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:45:13,509 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:45:13,509 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:45:13,510 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:45:13,511 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:45:13,511 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:45:13,512 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:45:13,513 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:45:13,514 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:45:13,514 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:45:13,514 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:45:13,515 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:45:13,516 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:45:13,516 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:45:13,517 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:45:13,540 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:45:13,540 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:45:13,541 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:45:13,541 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:45:13,541 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:45:13,542 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:45:13,543 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:45:13,543 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:45:13,543 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:45:13,543 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:45:13,543 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:45:13,543 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:45:13,544 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:45:13,544 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:45:13,544 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:45:13,544 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:45:13,544 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:45:13,544 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:45:13,546 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:45:13,547 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:45:13,547 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:45:13,547 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:45:13,547 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:45:13,547 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:45:13,548 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:45:13,548 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:45:13,548 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:45:13,548 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:45:13,548 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 -> 454aaa6b423a8831b8582dfeb545ec6b3447f968 [2018-12-31 09:45:13,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:45:13,611 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:45:13,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:45:13,617 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:45:13,617 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:45:13,618 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-12-31 09:45:13,684 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/217218e0e/eda3eeb76d804828aafe44a5e2a07609/FLAG66683fb6b [2018-12-31 09:45:14,239 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:45:14,242 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-12-31 09:45:14,260 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/217218e0e/eda3eeb76d804828aafe44a5e2a07609/FLAG66683fb6b [2018-12-31 09:45:14,514 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/217218e0e/eda3eeb76d804828aafe44a5e2a07609 [2018-12-31 09:45:14,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:45:14,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:45:14,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:45:14,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:45:14,522 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:45:14,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:45:14" (1/1) ... [2018-12-31 09:45:14,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b8f635a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:14, skipping insertion in model container [2018-12-31 09:45:14,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:45:14" (1/1) ... [2018-12-31 09:45:14,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:45:14,600 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:45:15,005 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:45:15,038 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:45:15,155 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:45:15,284 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:45:15,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:15 WrapperNode [2018-12-31 09:45:15,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:45:15,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:45:15,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:45:15,286 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:45:15,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:15" (1/1) ... [2018-12-31 09:45:15,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:15" (1/1) ... [2018-12-31 09:45:15,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:45:15,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:45:15,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:45:15,385 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:45:15,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:15" (1/1) ... [2018-12-31 09:45:15,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:15" (1/1) ... [2018-12-31 09:45:15,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:15" (1/1) ... [2018-12-31 09:45:15,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:15" (1/1) ... [2018-12-31 09:45:15,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:15" (1/1) ... [2018-12-31 09:45:15,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:15" (1/1) ... [2018-12-31 09:45:15,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:15" (1/1) ... [2018-12-31 09:45:15,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:45:15,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:45:15,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:45:15,441 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:45:15,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:15" (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 09:45:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:45:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:45:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:45:15,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:45:17,070 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:45:17,070 INFO L280 CfgBuilder]: Removed 194 assue(true) statements. [2018-12-31 09:45:17,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:45:17 BoogieIcfgContainer [2018-12-31 09:45:17,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:45:17,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:45:17,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:45:17,076 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:45:17,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:45:14" (1/3) ... [2018-12-31 09:45:17,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8ff7cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:45:17, skipping insertion in model container [2018-12-31 09:45:17,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:15" (2/3) ... [2018-12-31 09:45:17,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8ff7cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:45:17, skipping insertion in model container [2018-12-31 09:45:17,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:45:17" (3/3) ... [2018-12-31 09:45:17,080 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-12-31 09:45:17,089 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:45:17,096 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:45:17,114 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:45:17,147 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:45:17,148 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:45:17,148 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:45:17,148 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:45:17,148 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:45:17,149 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:45:17,149 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:45:17,149 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:45:17,149 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:45:17,169 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-12-31 09:45:17,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 09:45:17,175 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:17,176 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:45:17,179 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:17,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:17,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1138467236, now seen corresponding path program 1 times [2018-12-31 09:45:17,186 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:17,186 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:17,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:17,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:17,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:17,451 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 09:45:17,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:17,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:45:17,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:45:17,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:45:17,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:45:17,476 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2018-12-31 09:45:17,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:17,514 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2018-12-31 09:45:17,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:45:17,516 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-12-31 09:45:17,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:17,531 INFO L225 Difference]: With dead ends: 264 [2018-12-31 09:45:17,532 INFO L226 Difference]: Without dead ends: 131 [2018-12-31 09:45:17,536 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 09:45:17,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-31 09:45:17,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-31 09:45:17,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-31 09:45:17,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2018-12-31 09:45:17,598 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2018-12-31 09:45:17,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:17,598 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2018-12-31 09:45:17,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:45:17,598 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2018-12-31 09:45:17,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-31 09:45:17,600 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:17,600 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:45:17,600 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:17,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:17,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1722273200, now seen corresponding path program 1 times [2018-12-31 09:45:17,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:17,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:17,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:17,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:17,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:17,790 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 09:45:17,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:17,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:45:17,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:45:17,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:45:17,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:45:17,799 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2018-12-31 09:45:17,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:17,841 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2018-12-31 09:45:17,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:45:17,843 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-12-31 09:45:17,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:17,844 INFO L225 Difference]: With dead ends: 131 [2018-12-31 09:45:17,844 INFO L226 Difference]: Without dead ends: 53 [2018-12-31 09:45:17,846 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 09:45:17,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-31 09:45:17,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-12-31 09:45:17,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-31 09:45:17,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2018-12-31 09:45:17,857 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2018-12-31 09:45:17,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:17,858 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2018-12-31 09:45:17,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:45:17,858 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2018-12-31 09:45:17,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-31 09:45:17,862 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:17,862 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:45:17,863 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:17,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:17,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1529505855, now seen corresponding path program 1 times [2018-12-31 09:45:17,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:17,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:17,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:17,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:17,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:18,032 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 09:45:18,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:18,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:45:18,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:45:18,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:45:18,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:45:18,035 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2018-12-31 09:45:18,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:18,085 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2018-12-31 09:45:18,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:45:18,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-12-31 09:45:18,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:18,087 INFO L225 Difference]: With dead ends: 100 [2018-12-31 09:45:18,088 INFO L226 Difference]: Without dead ends: 53 [2018-12-31 09:45:18,088 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 09:45:18,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-31 09:45:18,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-12-31 09:45:18,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-31 09:45:18,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2018-12-31 09:45:18,097 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2018-12-31 09:45:18,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:18,098 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2018-12-31 09:45:18,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:45:18,098 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2018-12-31 09:45:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:45:18,099 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:18,099 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 09:45:18,099 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:18,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:18,101 INFO L82 PathProgramCache]: Analyzing trace with hash 583703192, now seen corresponding path program 1 times [2018-12-31 09:45:18,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:18,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:18,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:18,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:18,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:18,225 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 09:45:18,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:18,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:45:18,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:45:18,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:45:18,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:45:18,227 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2018-12-31 09:45:18,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:18,311 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2018-12-31 09:45:18,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:45:18,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-31 09:45:18,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:18,314 INFO L225 Difference]: With dead ends: 121 [2018-12-31 09:45:18,314 INFO L226 Difference]: Without dead ends: 74 [2018-12-31 09:45:18,318 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 09:45:18,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-12-31 09:45:18,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2018-12-31 09:45:18,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-31 09:45:18,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2018-12-31 09:45:18,334 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2018-12-31 09:45:18,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:18,334 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2018-12-31 09:45:18,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:45:18,335 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2018-12-31 09:45:18,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-31 09:45:18,336 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:18,336 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] [2018-12-31 09:45:18,336 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:18,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:18,337 INFO L82 PathProgramCache]: Analyzing trace with hash -198690772, now seen corresponding path program 1 times [2018-12-31 09:45:18,337 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:18,338 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:18,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:18,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:18,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:18,444 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 09:45:18,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:18,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:45:18,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:45:18,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:45:18,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:45:18,447 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2018-12-31 09:45:18,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:18,966 INFO L93 Difference]: Finished difference Result 372 states and 538 transitions. [2018-12-31 09:45:18,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-31 09:45:18,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2018-12-31 09:45:18,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:18,969 INFO L225 Difference]: With dead ends: 372 [2018-12-31 09:45:18,969 INFO L226 Difference]: Without dead ends: 306 [2018-12-31 09:45:18,970 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 09:45:18,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-12-31 09:45:19,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 132. [2018-12-31 09:45:19,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-12-31 09:45:19,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2018-12-31 09:45:19,014 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 30 [2018-12-31 09:45:19,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:19,014 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2018-12-31 09:45:19,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:45:19,018 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2018-12-31 09:45:19,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-31 09:45:19,020 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:19,021 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] [2018-12-31 09:45:19,021 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:19,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:19,022 INFO L82 PathProgramCache]: Analyzing trace with hash 473077730, now seen corresponding path program 1 times [2018-12-31 09:45:19,022 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:19,022 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:19,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:19,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:19,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:19,277 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 09:45:19,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:19,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:45:19,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:45:19,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:45:19,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:45:19,280 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand 5 states. [2018-12-31 09:45:19,655 WARN L181 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-31 09:45:20,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:20,302 INFO L93 Difference]: Finished difference Result 378 states and 534 transitions. [2018-12-31 09:45:20,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:45:20,303 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-12-31 09:45:20,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:20,306 INFO L225 Difference]: With dead ends: 378 [2018-12-31 09:45:20,307 INFO L226 Difference]: Without dead ends: 376 [2018-12-31 09:45:20,307 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 1 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 09:45:20,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2018-12-31 09:45:20,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2018-12-31 09:45:20,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-12-31 09:45:20,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2018-12-31 09:45:20,349 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 31 [2018-12-31 09:45:20,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:20,350 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2018-12-31 09:45:20,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:45:20,350 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2018-12-31 09:45:20,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:45:20,355 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:20,356 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 09:45:20,356 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:20,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:20,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1697229364, now seen corresponding path program 1 times [2018-12-31 09:45:20,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:20,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:20,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:20,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:20,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:20,603 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 09:45:20,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:20,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:45:20,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:45:20,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:45:20,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:45:20,605 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand 5 states. [2018-12-31 09:45:21,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:21,209 INFO L93 Difference]: Finished difference Result 344 states and 476 transitions. [2018-12-31 09:45:21,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:45:21,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-12-31 09:45:21,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:21,211 INFO L225 Difference]: With dead ends: 344 [2018-12-31 09:45:21,211 INFO L226 Difference]: Without dead ends: 218 [2018-12-31 09:45:21,218 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:45:21,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-12-31 09:45:21,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 144. [2018-12-31 09:45:21,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-12-31 09:45:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2018-12-31 09:45:21,245 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 34 [2018-12-31 09:45:21,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:21,246 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2018-12-31 09:45:21,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:45:21,246 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2018-12-31 09:45:21,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:45:21,247 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:21,249 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 09:45:21,249 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:21,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:21,250 INFO L82 PathProgramCache]: Analyzing trace with hash 2010931918, now seen corresponding path program 1 times [2018-12-31 09:45:21,250 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:21,250 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:21,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:21,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:21,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:21,403 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 09:45:21,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:21,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:45:21,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 09:45:21,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 09:45:21,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 09:45:21,406 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand 4 states. [2018-12-31 09:45:21,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:21,555 INFO L93 Difference]: Finished difference Result 340 states and 460 transitions. [2018-12-31 09:45:21,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 09:45:21,555 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-12-31 09:45:21,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:21,557 INFO L225 Difference]: With dead ends: 340 [2018-12-31 09:45:21,558 INFO L226 Difference]: Without dead ends: 202 [2018-12-31 09:45:21,559 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:45:21,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-12-31 09:45:21,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 152. [2018-12-31 09:45:21,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-12-31 09:45:21,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 204 transitions. [2018-12-31 09:45:21,585 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 204 transitions. Word has length 34 [2018-12-31 09:45:21,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:21,586 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 204 transitions. [2018-12-31 09:45:21,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 09:45:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 204 transitions. [2018-12-31 09:45:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:45:21,588 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:21,588 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 09:45:21,588 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:21,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:21,589 INFO L82 PathProgramCache]: Analyzing trace with hash 731068240, now seen corresponding path program 1 times [2018-12-31 09:45:21,590 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:21,590 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:21,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:21,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:21,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:21,674 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 09:45:21,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:21,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:45:21,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:45:21,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:45:21,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:45:21,677 INFO L87 Difference]: Start difference. First operand 152 states and 204 transitions. Second operand 3 states. [2018-12-31 09:45:21,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:21,849 INFO L93 Difference]: Finished difference Result 348 states and 466 transitions. [2018-12-31 09:45:21,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:45:21,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-12-31 09:45:21,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:21,851 INFO L225 Difference]: With dead ends: 348 [2018-12-31 09:45:21,852 INFO L226 Difference]: Without dead ends: 202 [2018-12-31 09:45:21,853 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 09:45:21,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-12-31 09:45:21,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2018-12-31 09:45:21,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-12-31 09:45:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 264 transitions. [2018-12-31 09:45:21,885 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 264 transitions. Word has length 34 [2018-12-31 09:45:21,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:21,885 INFO L480 AbstractCegarLoop]: Abstraction has 202 states and 264 transitions. [2018-12-31 09:45:21,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:45:21,885 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2018-12-31 09:45:21,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-31 09:45:21,889 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:21,889 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:45:21,889 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:21,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:21,890 INFO L82 PathProgramCache]: Analyzing trace with hash -2047463346, now seen corresponding path program 1 times [2018-12-31 09:45:21,890 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:21,890 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:21,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:21,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:21,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:22,203 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 09:45:22,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:22,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-31 09:45:22,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-31 09:45:22,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-31 09:45:22,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:45:22,205 INFO L87 Difference]: Start difference. First operand 202 states and 264 transitions. Second operand 8 states. [2018-12-31 09:45:22,939 WARN L181 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-31 09:45:24,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:24,285 INFO L93 Difference]: Finished difference Result 955 states and 1243 transitions. [2018-12-31 09:45:24,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-31 09:45:24,286 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2018-12-31 09:45:24,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:24,290 INFO L225 Difference]: With dead ends: 955 [2018-12-31 09:45:24,290 INFO L226 Difference]: Without dead ends: 759 [2018-12-31 09:45:24,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2018-12-31 09:45:24,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2018-12-31 09:45:24,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 202. [2018-12-31 09:45:24,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-12-31 09:45:24,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 259 transitions. [2018-12-31 09:45:24,325 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 259 transitions. Word has length 35 [2018-12-31 09:45:24,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:24,326 INFO L480 AbstractCegarLoop]: Abstraction has 202 states and 259 transitions. [2018-12-31 09:45:24,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-31 09:45:24,326 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 259 transitions. [2018-12-31 09:45:24,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-31 09:45:24,327 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:24,328 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:45:24,328 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:24,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:24,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1267099237, now seen corresponding path program 1 times [2018-12-31 09:45:24,330 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:24,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:24,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:24,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:24,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:24,582 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:45:24,582 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:24,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 09:45:24,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 09:45:24,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 09:45:24,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:45:24,583 INFO L87 Difference]: Start difference. First operand 202 states and 259 transitions. Second operand 6 states. [2018-12-31 09:45:25,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:25,948 INFO L93 Difference]: Finished difference Result 1026 states and 1345 transitions. [2018-12-31 09:45:25,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-31 09:45:25,949 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2018-12-31 09:45:25,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:25,954 INFO L225 Difference]: With dead ends: 1026 [2018-12-31 09:45:25,954 INFO L226 Difference]: Without dead ends: 880 [2018-12-31 09:45:25,955 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-12-31 09:45:25,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2018-12-31 09:45:26,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 390. [2018-12-31 09:45:26,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2018-12-31 09:45:26,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 500 transitions. [2018-12-31 09:45:26,022 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 500 transitions. Word has length 56 [2018-12-31 09:45:26,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:26,022 INFO L480 AbstractCegarLoop]: Abstraction has 390 states and 500 transitions. [2018-12-31 09:45:26,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 09:45:26,023 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 500 transitions. [2018-12-31 09:45:26,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-31 09:45:26,024 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:26,024 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:45:26,024 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:26,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:26,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1968163815, now seen corresponding path program 1 times [2018-12-31 09:45:26,025 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:26,025 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:26,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:26,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:26,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:26,249 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-31 09:45:26,249 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 09:45:26,250 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 09:45:26,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:26,403 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 09:45:26,796 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-31 09:45:26,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-31 09:45:26,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-12-31 09:45:26,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-31 09:45:26,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-31 09:45:26,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-31 09:45:26,836 INFO L87 Difference]: Start difference. First operand 390 states and 500 transitions. Second operand 9 states. [2018-12-31 09:45:27,487 WARN L181 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-12-31 09:45:27,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:27,657 INFO L93 Difference]: Finished difference Result 724 states and 927 transitions. [2018-12-31 09:45:27,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:45:27,658 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2018-12-31 09:45:27,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:27,658 INFO L225 Difference]: With dead ends: 724 [2018-12-31 09:45:27,659 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:45:27,662 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-12-31 09:45:27,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:45:27,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:45:27,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:45:27,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:45:27,663 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2018-12-31 09:45:27,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:27,663 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:45:27,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-31 09:45:27,663 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:45:27,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:45:27,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:45:27,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:27,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:27,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:27,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:27,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:27,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:27,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:27,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:27,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:27,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:27,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:27,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:27,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:27,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:27,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:27,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,013 WARN L181 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 97 [2018-12-31 09:45:28,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,265 WARN L181 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 121 [2018-12-31 09:45:28,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,451 WARN L181 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 82 [2018-12-31 09:45:28,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,702 WARN L181 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 101 [2018-12-31 09:45:28,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:28,975 WARN L181 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 101 [2018-12-31 09:45:28,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,224 WARN L181 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 49 [2018-12-31 09:45:29,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,341 WARN L181 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 92 [2018-12-31 09:45:29,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:29,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:31,275 WARN L181 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 91 DAG size of output: 15 [2018-12-31 09:45:32,489 WARN L181 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 120 DAG size of output: 24 [2018-12-31 09:45:32,768 WARN L181 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 26 [2018-12-31 09:45:33,220 WARN L181 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 24 [2018-12-31 09:45:33,546 WARN L181 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 27 [2018-12-31 09:45:33,881 WARN L181 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 23 [2018-12-31 09:45:34,468 WARN L181 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 26 [2018-12-31 09:45:34,680 WARN L181 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2018-12-31 09:45:35,093 WARN L181 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 27 [2018-12-31 09:45:35,203 INFO L448 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2018-12-31 09:45:35,204 INFO L444 ceAbstractionStarter]: At program point L564-2(lines 274 280) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse3 (= ~systemActive~0 1))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and (and .cse1 .cse2 .cse4) .cse3) (and (and .cse0 .cse2 .cse5) .cse6 .cse3) (and (and .cse2 .cse6 .cse5 .cse4) .cse3))) [2018-12-31 09:45:35,204 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-12-31 09:45:35,204 INFO L444 ceAbstractionStarter]: At program point L498-1(lines 1 982) the Hoare annotation is: (let ((.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (<= 1 ~waterLevel~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and (= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (and (and .cse1 .cse4 .cse3) (not .cse2) (= 1 ~methaneLevelCritical~0)) .cse5) (and .cse5 (and .cse0 .cse1 .cse4) .cse3))) [2018-12-31 09:45:35,204 INFO L448 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2018-12-31 09:45:35,204 INFO L444 ceAbstractionStarter]: At program point L498-3(lines 1 982) the Hoare annotation is: false [2018-12-31 09:45:35,204 INFO L448 ceAbstractionStarter]: For program point L498-4(lines 498 511) no Hoare annotation was computed. [2018-12-31 09:45:35,204 INFO L444 ceAbstractionStarter]: At program point L498-5(lines 1 982) the Hoare annotation is: false [2018-12-31 09:45:35,204 INFO L448 ceAbstractionStarter]: For program point L369(lines 369 375) no Hoare annotation was computed. [2018-12-31 09:45:35,204 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 344) no Hoare annotation was computed. [2018-12-31 09:45:35,205 INFO L448 ceAbstractionStarter]: For program point L369-2(lines 369 375) no Hoare annotation was computed. [2018-12-31 09:45:35,205 INFO L448 ceAbstractionStarter]: For program point L336-1(lines 336 344) no Hoare annotation was computed. [2018-12-31 09:45:35,205 INFO L448 ceAbstractionStarter]: For program point L336-2(lines 336 344) no Hoare annotation was computed. [2018-12-31 09:45:35,205 INFO L448 ceAbstractionStarter]: For program point L369-4(lines 369 375) no Hoare annotation was computed. [2018-12-31 09:45:35,205 INFO L448 ceAbstractionStarter]: For program point L369-6(lines 369 375) no Hoare annotation was computed. [2018-12-31 09:45:35,205 INFO L448 ceAbstractionStarter]: For program point L369-8(lines 369 375) no Hoare annotation was computed. [2018-12-31 09:45:35,205 INFO L448 ceAbstractionStarter]: For program point L369-10(lines 369 375) no Hoare annotation was computed. [2018-12-31 09:45:35,205 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2018-12-31 09:45:35,205 INFO L448 ceAbstractionStarter]: For program point L502-2(lines 502 508) no Hoare annotation was computed. [2018-12-31 09:45:35,205 INFO L444 ceAbstractionStarter]: At program point L403(lines 398 406) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1) (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (= 1 ~methaneLevelCritical~0)) [2018-12-31 09:45:35,206 INFO L444 ceAbstractionStarter]: At program point L403-1(lines 398 406) the Hoare annotation is: false [2018-12-31 09:45:35,206 INFO L448 ceAbstractionStarter]: For program point L502-4(lines 502 508) no Hoare annotation was computed. [2018-12-31 09:45:35,206 INFO L444 ceAbstractionStarter]: At program point L403-2(lines 398 406) the Hoare annotation is: false [2018-12-31 09:45:35,206 INFO L444 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: false [2018-12-31 09:45:35,206 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 542) no Hoare annotation was computed. [2018-12-31 09:45:35,206 INFO L444 ceAbstractionStarter]: At program point L536-1(lines 536 542) the Hoare annotation is: (let ((.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (<= 1 ~waterLevel~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and (= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (and (and .cse1 .cse4 .cse3) (not .cse2) (= 1 ~methaneLevelCritical~0)) .cse5) (and .cse5 (and .cse0 .cse1 .cse4) .cse3))) [2018-12-31 09:45:35,207 INFO L448 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-12-31 09:45:35,207 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-12-31 09:45:35,207 INFO L448 ceAbstractionStarter]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2018-12-31 09:45:35,207 INFO L448 ceAbstractionStarter]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2018-12-31 09:45:35,207 INFO L448 ceAbstractionStarter]: For program point L140-3(lines 140 146) no Hoare annotation was computed. [2018-12-31 09:45:35,207 INFO L448 ceAbstractionStarter]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2018-12-31 09:45:35,207 INFO L448 ceAbstractionStarter]: For program point L140-5(lines 140 146) no Hoare annotation was computed. [2018-12-31 09:45:35,207 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2018-12-31 09:45:35,207 INFO L448 ceAbstractionStarter]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2018-12-31 09:45:35,207 INFO L448 ceAbstractionStarter]: For program point L471-3(lines 471 475) no Hoare annotation was computed. [2018-12-31 09:45:35,207 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 323) no Hoare annotation was computed. [2018-12-31 09:45:35,208 INFO L448 ceAbstractionStarter]: For program point L471-5(lines 471 475) no Hoare annotation was computed. [2018-12-31 09:45:35,208 INFO L448 ceAbstractionStarter]: For program point L306-1(lines 306 323) no Hoare annotation was computed. [2018-12-31 09:45:35,208 INFO L448 ceAbstractionStarter]: For program point L471-6(lines 471 475) no Hoare annotation was computed. [2018-12-31 09:45:35,208 INFO L448 ceAbstractionStarter]: For program point L306-2(lines 306 323) no Hoare annotation was computed. [2018-12-31 09:45:35,208 INFO L448 ceAbstractionStarter]: For program point L306-3(lines 306 323) no Hoare annotation was computed. [2018-12-31 09:45:35,208 INFO L448 ceAbstractionStarter]: For program point L471-8(lines 471 475) no Hoare annotation was computed. [2018-12-31 09:45:35,208 INFO L448 ceAbstractionStarter]: For program point L306-4(lines 306 323) no Hoare annotation was computed. [2018-12-31 09:45:35,208 INFO L448 ceAbstractionStarter]: For program point L306-5(lines 306 323) no Hoare annotation was computed. [2018-12-31 09:45:35,208 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 79) no Hoare annotation was computed. [2018-12-31 09:45:35,208 INFO L444 ceAbstractionStarter]: At program point L274(lines 273 292) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1))) (or (and (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) .cse2) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2018-12-31 09:45:35,209 INFO L448 ceAbstractionStarter]: For program point L274-1(lines 274 280) no Hoare annotation was computed. [2018-12-31 09:45:35,209 INFO L444 ceAbstractionStarter]: At program point L274-2(lines 273 292) the Hoare annotation is: false [2018-12-31 09:45:35,209 INFO L444 ceAbstractionStarter]: At program point L274-3(lines 273 292) the Hoare annotation is: false [2018-12-31 09:45:35,209 INFO L444 ceAbstractionStarter]: At program point L605(lines 1 982) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:45:35,209 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2018-12-31 09:45:35,209 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 274 280) no Hoare annotation was computed. [2018-12-31 09:45:35,209 INFO L448 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2018-12-31 09:45:35,209 INFO L448 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2018-12-31 09:45:35,209 INFO L448 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2018-12-31 09:45:35,209 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-31 09:45:35,210 INFO L444 ceAbstractionStarter]: At program point L574(lines 525 575) the Hoare annotation is: false [2018-12-31 09:45:35,210 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 318) no Hoare annotation was computed. [2018-12-31 09:45:35,210 INFO L448 ceAbstractionStarter]: For program point L310-1(lines 310 318) no Hoare annotation was computed. [2018-12-31 09:45:35,210 INFO L448 ceAbstractionStarter]: For program point L310-2(lines 310 318) no Hoare annotation was computed. [2018-12-31 09:45:35,210 INFO L448 ceAbstractionStarter]: For program point L310-3(lines 310 318) no Hoare annotation was computed. [2018-12-31 09:45:35,210 INFO L448 ceAbstractionStarter]: For program point L310-4(lines 310 318) no Hoare annotation was computed. [2018-12-31 09:45:35,210 INFO L444 ceAbstractionStarter]: At program point L145(lines 136 149) the Hoare annotation is: false [2018-12-31 09:45:35,210 INFO L448 ceAbstractionStarter]: For program point L310-5(lines 310 318) no Hoare annotation was computed. [2018-12-31 09:45:35,210 INFO L444 ceAbstractionStarter]: At program point L145-1(lines 136 149) the Hoare annotation is: (let ((.cse6 (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse7 (<= 1 ~waterLevel~0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ~systemActive~0 1))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse5 .cse1 .cse6 .cse7 .cse2 .cse4) (and (and .cse1 .cse6 .cse7 .cse2 .cse3) .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse4))) [2018-12-31 09:45:35,210 INFO L444 ceAbstractionStarter]: At program point L145-2(lines 136 149) the Hoare annotation is: false [2018-12-31 09:45:35,211 INFO L444 ceAbstractionStarter]: At program point L145-3(lines 136 149) the Hoare annotation is: false [2018-12-31 09:45:35,211 INFO L444 ceAbstractionStarter]: At program point L145-4(lines 136 149) the Hoare annotation is: false [2018-12-31 09:45:35,211 INFO L444 ceAbstractionStarter]: At program point L145-5(lines 136 149) the Hoare annotation is: false [2018-12-31 09:45:35,211 INFO L444 ceAbstractionStarter]: At program point L477(lines 462 480) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)) (.cse1 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5)) (.cse4 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2018-12-31 09:45:35,211 INFO L444 ceAbstractionStarter]: At program point L477-1(lines 462 480) the Hoare annotation is: false [2018-12-31 09:45:35,211 INFO L444 ceAbstractionStarter]: At program point L477-2(lines 462 480) the Hoare annotation is: false [2018-12-31 09:45:35,211 INFO L444 ceAbstractionStarter]: At program point L281(lines 281 287) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1))) (or (and (and (and .cse0 .cse1) (<= 2 ~waterLevel~0)) .cse2) (and .cse3 (and (and .cse1 .cse4 .cse2) (= 1 ~methaneLevelCritical~0))) (and (and .cse0 .cse1 .cse4) .cse3 .cse2))) [2018-12-31 09:45:35,211 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2018-12-31 09:45:35,211 INFO L444 ceAbstractionStarter]: At program point L281-1(lines 281 287) the Hoare annotation is: false [2018-12-31 09:45:35,212 INFO L444 ceAbstractionStarter]: At program point L281-2(lines 281 287) the Hoare annotation is: false [2018-12-31 09:45:35,212 INFO L451 ceAbstractionStarter]: At program point L248-1(lines 248 255) the Hoare annotation is: true [2018-12-31 09:45:35,212 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2018-12-31 09:45:35,212 INFO L444 ceAbstractionStarter]: At program point L546-1(lines 546 552) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (= 1 ~methaneLevelCritical~0)) (.cse3 (= ~systemActive~0 1))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and (and .cse0 .cse2 .cse4) .cse5 .cse3) (and .cse1 .cse2 .cse3 .cse6) (and (and .cse2 .cse5 .cse4 .cse6) .cse3))) [2018-12-31 09:45:35,212 INFO L444 ceAbstractionStarter]: At program point L613(lines 608 616) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:45:35,212 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:45:35,212 INFO L448 ceAbstractionStarter]: For program point L87(lines 87 91) no Hoare annotation was computed. [2018-12-31 09:45:35,212 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-31 09:45:35,212 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2018-12-31 09:45:35,213 INFO L448 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2018-12-31 09:45:35,213 INFO L448 ceAbstractionStarter]: For program point L452-3(lines 452 456) no Hoare annotation was computed. [2018-12-31 09:45:35,213 INFO L448 ceAbstractionStarter]: For program point L452-5(lines 452 456) no Hoare annotation was computed. [2018-12-31 09:45:35,213 INFO L448 ceAbstractionStarter]: For program point L452-6(lines 452 456) no Hoare annotation was computed. [2018-12-31 09:45:35,213 INFO L444 ceAbstractionStarter]: At program point L221(lines 217 223) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:45:35,213 INFO L448 ceAbstractionStarter]: For program point L452-8(lines 452 456) no Hoare annotation was computed. [2018-12-31 09:45:35,213 INFO L444 ceAbstractionStarter]: At program point L155(lines 150 158) the Hoare annotation is: (let ((.cse0 (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 ~methaneLevelCritical~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3))) [2018-12-31 09:45:35,213 INFO L448 ceAbstractionStarter]: For program point L452-9(lines 452 456) no Hoare annotation was computed. [2018-12-31 09:45:35,213 INFO L444 ceAbstractionStarter]: At program point L155-1(lines 150 158) the Hoare annotation is: false [2018-12-31 09:45:35,213 INFO L448 ceAbstractionStarter]: For program point L452-11(lines 452 456) no Hoare annotation was computed. [2018-12-31 09:45:35,214 INFO L444 ceAbstractionStarter]: At program point L155-2(lines 150 158) the Hoare annotation is: false [2018-12-31 09:45:35,214 INFO L448 ceAbstractionStarter]: For program point L452-12(lines 452 456) no Hoare annotation was computed. [2018-12-31 09:45:35,214 INFO L448 ceAbstractionStarter]: For program point L452-14(lines 452 456) no Hoare annotation was computed. [2018-12-31 09:45:35,214 INFO L448 ceAbstractionStarter]: For program point L452-15(lines 452 456) no Hoare annotation was computed. [2018-12-31 09:45:35,214 INFO L448 ceAbstractionStarter]: For program point L452-17(lines 452 456) no Hoare annotation was computed. [2018-12-31 09:45:35,214 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-31 09:45:35,214 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:45:35,214 INFO L451 ceAbstractionStarter]: At program point L257(lines 238 260) the Hoare annotation is: true [2018-12-31 09:45:35,214 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2018-12-31 09:45:35,214 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:45:35,214 INFO L444 ceAbstractionStarter]: At program point L458(lines 443 461) the Hoare annotation is: false [2018-12-31 09:45:35,215 INFO L444 ceAbstractionStarter]: At program point L458-1(lines 443 461) the Hoare annotation is: (let ((.cse3 (= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse5 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse6 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ~systemActive~0 1))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and .cse5 .cse1 .cse6 .cse7 .cse2 .cse4 .cse3) (and .cse7 (and .cse5 .cse8 .cse1 .cse6 .cse2 .cse4)) (and .cse8 .cse0 .cse1 .cse2 .cse4))) [2018-12-31 09:45:35,215 INFO L444 ceAbstractionStarter]: At program point L458-2(lines 443 461) the Hoare annotation is: false [2018-12-31 09:45:35,215 INFO L444 ceAbstractionStarter]: At program point L458-3(lines 443 461) the Hoare annotation is: false [2018-12-31 09:45:35,215 INFO L444 ceAbstractionStarter]: At program point L458-4(lines 443 461) the Hoare annotation is: false [2018-12-31 09:45:35,215 INFO L444 ceAbstractionStarter]: At program point L458-5(lines 443 461) the Hoare annotation is: false [2018-12-31 09:45:35,215 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 67) no Hoare annotation was computed. [2018-12-31 09:45:35,215 INFO L448 ceAbstractionStarter]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2018-12-31 09:45:35,215 INFO L448 ceAbstractionStarter]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2018-12-31 09:45:35,215 INFO L444 ceAbstractionStarter]: At program point L394(lines 387 397) the Hoare annotation is: false [2018-12-31 09:45:35,216 INFO L444 ceAbstractionStarter]: At program point L394-1(lines 387 397) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= ~systemActive~0 1))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) .cse0 .cse1 .cse3 (not .cse2) .cse4 (= 1 ~methaneLevelCritical~0)))) [2018-12-31 09:45:35,216 INFO L444 ceAbstractionStarter]: At program point L394-2(lines 387 397) the Hoare annotation is: false [2018-12-31 09:45:35,216 INFO L444 ceAbstractionStarter]: At program point L394-3(lines 387 397) the Hoare annotation is: false [2018-12-31 09:45:35,216 INFO L444 ceAbstractionStarter]: At program point L394-4(lines 387 397) the Hoare annotation is: false [2018-12-31 09:45:35,216 INFO L444 ceAbstractionStarter]: At program point L394-5(lines 387 397) the Hoare annotation is: false [2018-12-31 09:45:35,216 INFO L448 ceAbstractionStarter]: For program point L527(lines 526 573) no Hoare annotation was computed. [2018-12-31 09:45:35,216 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:45:35,216 INFO L448 ceAbstractionStarter]: For program point L528(lines 528 532) no Hoare annotation was computed. [2018-12-31 09:45:35,216 INFO L444 ceAbstractionStarter]: At program point L100(lines 95 103) the Hoare annotation is: false [2018-12-31 09:45:35,216 INFO L444 ceAbstractionStarter]: At program point L100-1(lines 95 103) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 (not .cse3) .cse4 (= 1 ~methaneLevelCritical~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse3 .cse2 .cse4))) [2018-12-31 09:45:35,217 INFO L444 ceAbstractionStarter]: At program point L100-2(lines 95 103) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (<= 1 ~waterLevel~0)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 (and .cse0 .cse1 .cse2 .cse5) .cse3) (and (and (and (and .cse1 .cse5) (not .cse2) (= 1 ~methaneLevelCritical~0)) .cse4) .cse3))) [2018-12-31 09:45:35,217 INFO L444 ceAbstractionStarter]: At program point L100-3(lines 95 103) the Hoare annotation is: false [2018-12-31 09:45:35,217 INFO L444 ceAbstractionStarter]: At program point L100-4(lines 95 103) the Hoare annotation is: false [2018-12-31 09:45:35,217 INFO L444 ceAbstractionStarter]: At program point L100-5(lines 95 103) the Hoare annotation is: false [2018-12-31 09:45:35,217 INFO L444 ceAbstractionStarter]: At program point L100-6(lines 95 103) the Hoare annotation is: false [2018-12-31 09:45:35,217 INFO L444 ceAbstractionStarter]: At program point L100-7(lines 95 103) the Hoare annotation is: false [2018-12-31 09:45:35,217 INFO L444 ceAbstractionStarter]: At program point L100-8(lines 95 103) the Hoare annotation is: false [2018-12-31 09:45:35,217 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 349) no Hoare annotation was computed. [2018-12-31 09:45:35,217 INFO L448 ceAbstractionStarter]: For program point L332-1(lines 332 349) no Hoare annotation was computed. [2018-12-31 09:45:35,217 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 349) no Hoare annotation was computed. [2018-12-31 09:45:35,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:45:35 BoogieIcfgContainer [2018-12-31 09:45:35,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:45:35,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:45:35,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:45:35,250 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:45:35,250 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:45:17" (3/4) ... [2018-12-31 09:45:35,254 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:45:35,278 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:45:35,279 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-31 09:45:35,280 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 09:45:35,282 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 09:45:35,283 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:45:35,284 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:45:35,330 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == tmp && 0 == methaneLevelCritical) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && !(0 == \result)) && 1 == methaneLevelCritical) && 1 <= waterLevel)) || ((1 <= waterLevel && (0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:45:35,331 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == tmp && 0 == methaneLevelCritical) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && !(0 == \result)) && 1 == methaneLevelCritical) && 1 <= waterLevel)) || ((1 <= waterLevel && (0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:45:35,334 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || ((1 <= waterLevel && ((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && !(0 == \result)) && 1 == methaneLevelCritical) && 1 <= waterLevel) && systemActive == 1) [2018-12-31 09:45:35,335 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == \result && splverifierCounter == 0) && 1 <= waterLevel) && systemActive == 1) && 1 == methaneLevelCritical) || ((((0 == methaneLevelCritical && 0 == \result) && splverifierCounter == 0) && 1 <= waterLevel) && systemActive == 1) [2018-12-31 09:45:35,336 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && splverifierCounter == 0) && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1) || (((((0 == methaneLevelCritical && splverifierCounter == 0) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1)) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:45:35,336 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && splverifierCounter == 0) && 1 <= waterLevel) && pumpRunning == 0) && systemActive == 1) && !(0 == \result)) && 1 == methaneLevelCritical [2018-12-31 09:45:35,337 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= tmp___0 && 0 == \result) && splverifierCounter == 0) && 0 == tmp) && 1 <= \result) && 1 <= waterLevel) && systemActive == 1) && 1 == methaneLevelCritical) || (((((((1 <= tmp___0 && 0 == methaneLevelCritical) && 0 == \result) && splverifierCounter == 0) && 0 == tmp) && 1 <= \result) && 1 <= waterLevel) && systemActive == 1) [2018-12-31 09:45:35,338 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && splverifierCounter == 0) && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1) || ((((((0 == \result && splverifierCounter == 0) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && systemActive == 1) && 1 == methaneLevelCritical)) || (1 <= waterLevel && ((((0 == \result && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == tmp___0) && pumpRunning == 0) && systemActive == 1)) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:45:35,345 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && splverifierCounter == 0) && pumpRunning == 0) && !(0 == \result)) && systemActive == 1) && 1 == methaneLevelCritical) || (((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:45:35,348 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1) || ((((((!(0 == \result) && 2 <= waterLevel) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == \result)) && systemActive == 1) && 1 == methaneLevelCritical) [2018-12-31 09:45:35,491 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:45:35,492 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:45:35,492 INFO L168 Benchmark]: Toolchain (without parser) took 20975.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 312.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 134.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:45:35,494 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:45:35,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. [2018-12-31 09:45:35,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:45:35,495 INFO L168 Benchmark]: Boogie Preprocessor took 55.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:45:35,496 INFO L168 Benchmark]: RCFGBuilder took 1630.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 66.0 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. [2018-12-31 09:45:35,497 INFO L168 Benchmark]: TraceAbstraction took 18177.10 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -96.0 MB). Peak memory consumption was 399.9 MB. Max. memory is 11.5 GB. [2018-12-31 09:45:35,497 INFO L168 Benchmark]: Witness Printer took 241.97 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:45:35,501 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 766.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -180.0 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1630.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 66.0 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18177.10 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -96.0 MB). Peak memory consumption was 399.9 MB. Max. memory is 11.5 GB. * Witness Printer took 241.97 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && splverifierCounter == 0) && 1 <= waterLevel) && systemActive == 1) || (((splverifierCounter == 0 && 1 <= waterLevel) && systemActive == 1) && 1 == methaneLevelCritical) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && splverifierCounter == 0) && 2 <= waterLevel) && systemActive == 1) || (1 <= waterLevel && ((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && 1 == methaneLevelCritical)) || ((((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && systemActive == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && splverifierCounter == 0) && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1) || ((((((0 == \result && splverifierCounter == 0) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && systemActive == 1) && 1 == methaneLevelCritical)) || (1 <= waterLevel && ((((0 == \result && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == tmp___0) && pumpRunning == 0) && systemActive == 1)) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (((((0 == \result && splverifierCounter == 0) && 1 <= waterLevel) && pumpRunning == 0) && systemActive == 1) && !(0 == \result)) && 1 == methaneLevelCritical - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) && systemActive == 1) || (((2 <= waterLevel && splverifierCounter == 0) && 1 == methaneLevelCritical) && systemActive == 1)) || ((((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && systemActive == 1)) || ((((splverifierCounter == 0 && 1 <= waterLevel) && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((0 == tmp && 0 == methaneLevelCritical) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && !(0 == \result)) && 1 == methaneLevelCritical) && 1 <= waterLevel)) || ((1 <= waterLevel && (0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: ((((0 == \result && splverifierCounter == 0) && 1 <= waterLevel) && systemActive == 1) && 1 == methaneLevelCritical) || ((((0 == methaneLevelCritical && 0 == \result) && splverifierCounter == 0) && 1 <= waterLevel) && systemActive == 1) - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) && systemActive == 1) || ((((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && 1 <= waterLevel) && systemActive == 1)) || (((2 <= waterLevel && splverifierCounter == 0) && systemActive == 1) && 1 == methaneLevelCritical)) || ((((splverifierCounter == 0 && 1 <= waterLevel) && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && waterLevel == 1) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && waterLevel == 1) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: (((((((1 <= tmp___0 && 0 == \result) && splverifierCounter == 0) && 0 == tmp) && 1 <= \result) && 1 <= waterLevel) && systemActive == 1) && 1 == methaneLevelCritical) || (((((((1 <= tmp___0 && 0 == methaneLevelCritical) && 0 == \result) && splverifierCounter == 0) && 0 == tmp) && 1 <= \result) && 1 <= waterLevel) && systemActive == 1) - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || ((1 <= waterLevel && ((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && !(0 == \result)) && 1 == methaneLevelCritical) && 1 <= waterLevel) && systemActive == 1) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && splverifierCounter == 0) && pumpRunning == 0) && !(0 == \result)) && systemActive == 1) && 1 == methaneLevelCritical) || (((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && splverifierCounter == 0) && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1) || (((((0 == methaneLevelCritical && splverifierCounter == 0) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1)) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: ((((((0 == tmp && 0 == methaneLevelCritical) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && !(0 == \result)) && 1 == methaneLevelCritical) && 1 <= waterLevel)) || ((1 <= waterLevel && (0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1) || ((((((!(0 == \result) && 2 <= waterLevel) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == \result)) && systemActive == 1) && 1 == methaneLevelCritical) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && waterLevel == 1) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. SAFE Result, 18.0s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 7.0s AutomataDifference, 0.0s DeadEndRemovalTime, 7.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1411 SDtfs, 2023 SDslu, 3033 SDs, 0 SdLazy, 400 SolverSat, 81 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=390occurred in iteration=11, 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: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1591 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 211 NumberOfFragments, 802 HoareAnnotationTreeSize, 55 FomulaSimplifications, 1689767 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 55 FomulaSimplificationsInter, 78906 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 445 NumberOfCodeBlocks, 445 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 432 ConstructedInterpolants, 0 QuantifiedInterpolants, 27751 SizeOfPredicates, 4 NumberOfNonLiveVariables, 422 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 40/42 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...