./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec5_product45_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec5_product45_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 37cb317c3bc7664ed231fa78380e175cc6a4d8af ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 09:51:05,762 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:51:05,763 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:51:05,775 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:51:05,775 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:51:05,776 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:51:05,778 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:51:05,780 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:51:05,781 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:51:05,782 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:51:05,783 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:51:05,783 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:51:05,784 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:51:05,785 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:51:05,786 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:51:05,787 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:51:05,788 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:51:05,790 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:51:05,792 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:51:05,794 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:51:05,795 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:51:05,796 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:51:05,799 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:51:05,799 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:51:05,799 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:51:05,800 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:51:05,801 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:51:05,802 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:51:05,803 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:51:05,804 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:51:05,804 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:51:05,805 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:51:05,805 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:51:05,805 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:51:05,806 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:51:05,807 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:51:05,807 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:51:05,823 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:51:05,823 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:51:05,824 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:51:05,824 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:51:05,825 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:51:05,825 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:51:05,825 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:51:05,825 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:51:05,825 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:51:05,826 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:51:05,826 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:51:05,829 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:51:05,829 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:51:05,829 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:51:05,829 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:51:05,829 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:51:05,830 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:51:05,830 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:51:05,830 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:51:05,830 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:51:05,830 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:51:05,830 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:51:05,831 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:51:05,831 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:51:05,831 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:51:05,831 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:51:05,831 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:51:05,832 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:51:05,832 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 -> 37cb317c3bc7664ed231fa78380e175cc6a4d8af [2018-12-31 09:51:05,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:51:05,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:51:05,904 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:51:05,906 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:51:05,906 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:51:05,908 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec5_product45_true-unreach-call_false-termination.cil.c [2018-12-31 09:51:05,975 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4774537b2/d25f3b61b9c04a0d89b4d3a5b8958f39/FLAGfbd1c88e2 [2018-12-31 09:51:06,538 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:51:06,540 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec5_product45_true-unreach-call_false-termination.cil.c [2018-12-31 09:51:06,558 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4774537b2/d25f3b61b9c04a0d89b4d3a5b8958f39/FLAGfbd1c88e2 [2018-12-31 09:51:06,827 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4774537b2/d25f3b61b9c04a0d89b4d3a5b8958f39 [2018-12-31 09:51:06,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:51:06,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:51:06,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:51:06,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:51:06,840 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:51:06,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:51:06" (1/1) ... [2018-12-31 09:51:06,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4fbf7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:06, skipping insertion in model container [2018-12-31 09:51:06,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:51:06" (1/1) ... [2018-12-31 09:51:06,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:51:06,902 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:51:07,292 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:51:07,310 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:51:07,431 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:51:07,569 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:51:07,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:07 WrapperNode [2018-12-31 09:51:07,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:51:07,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:51:07,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:51:07,574 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:51:07,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:07" (1/1) ... [2018-12-31 09:51:07,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:07" (1/1) ... [2018-12-31 09:51:07,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:51:07,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:51:07,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:51:07,665 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:51:07,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:07" (1/1) ... [2018-12-31 09:51:07,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:07" (1/1) ... [2018-12-31 09:51:07,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:07" (1/1) ... [2018-12-31 09:51:07,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:07" (1/1) ... [2018-12-31 09:51:07,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:07" (1/1) ... [2018-12-31 09:51:07,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:07" (1/1) ... [2018-12-31 09:51:07,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:07" (1/1) ... [2018-12-31 09:51:07,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:51:07,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:51:07,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:51:07,736 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:51:07,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:51:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:51:07,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:51:07,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:51:07,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:51:09,433 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:51:09,434 INFO L280 CfgBuilder]: Removed 206 assue(true) statements. [2018-12-31 09:51:09,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:51:09 BoogieIcfgContainer [2018-12-31 09:51:09,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:51:09,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:51:09,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:51:09,438 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:51:09,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:51:06" (1/3) ... [2018-12-31 09:51:09,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22df8d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:51:09, skipping insertion in model container [2018-12-31 09:51:09,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:51:07" (2/3) ... [2018-12-31 09:51:09,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22df8d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:51:09, skipping insertion in model container [2018-12-31 09:51:09,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:51:09" (3/3) ... [2018-12-31 09:51:09,442 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45_true-unreach-call_false-termination.cil.c [2018-12-31 09:51:09,453 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:51:09,463 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:51:09,482 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:51:09,515 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:51:09,515 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:51:09,516 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:51:09,516 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:51:09,516 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:51:09,516 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:51:09,516 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:51:09,516 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:51:09,517 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:51:09,536 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2018-12-31 09:51:09,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-31 09:51:09,543 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:09,545 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:09,547 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:09,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:09,554 INFO L82 PathProgramCache]: Analyzing trace with hash -2038923744, now seen corresponding path program 1 times [2018-12-31 09:51:09,556 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:09,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:09,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:09,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:09,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:09,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:09,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:09,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:51:09,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:51:09,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:51:09,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:51:09,861 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2018-12-31 09:51:09,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:09,905 INFO L93 Difference]: Finished difference Result 269 states and 400 transitions. [2018-12-31 09:51:09,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:51:09,907 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-31 09:51:09,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:09,923 INFO L225 Difference]: With dead ends: 269 [2018-12-31 09:51:09,923 INFO L226 Difference]: Without dead ends: 134 [2018-12-31 09:51:09,928 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:51:09,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-12-31 09:51:09,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-12-31 09:51:09,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-12-31 09:51:09,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 192 transitions. [2018-12-31 09:51:09,993 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 192 transitions. Word has length 19 [2018-12-31 09:51:09,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:09,994 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 192 transitions. [2018-12-31 09:51:09,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:51:09,994 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 192 transitions. [2018-12-31 09:51:09,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-31 09:51:09,996 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:09,996 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:09,996 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:09,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:09,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1183223248, now seen corresponding path program 1 times [2018-12-31 09:51:09,998 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:09,998 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:10,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:10,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:10,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:10,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:10,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:10,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:51:10,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:51:10,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:51:10,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:51:10,165 INFO L87 Difference]: Start difference. First operand 134 states and 192 transitions. Second operand 3 states. [2018-12-31 09:51:10,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:10,215 INFO L93 Difference]: Finished difference Result 134 states and 192 transitions. [2018-12-31 09:51:10,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:51:10,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-12-31 09:51:10,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:10,219 INFO L225 Difference]: With dead ends: 134 [2018-12-31 09:51:10,219 INFO L226 Difference]: Without dead ends: 55 [2018-12-31 09:51:10,221 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:51:10,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-31 09:51:10,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-12-31 09:51:10,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-31 09:51:10,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2018-12-31 09:51:10,229 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 20 [2018-12-31 09:51:10,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:10,230 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2018-12-31 09:51:10,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:51:10,230 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2018-12-31 09:51:10,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-31 09:51:10,232 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:10,232 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:10,233 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:10,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:10,233 INFO L82 PathProgramCache]: Analyzing trace with hash 401446808, now seen corresponding path program 1 times [2018-12-31 09:51:10,233 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:10,233 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:10,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:10,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:10,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:10,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:10,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:10,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:51:10,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:51:10,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:51:10,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:51:10,354 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2018-12-31 09:51:10,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:10,388 INFO L93 Difference]: Finished difference Result 103 states and 149 transitions. [2018-12-31 09:51:10,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:51:10,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-12-31 09:51:10,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:10,393 INFO L225 Difference]: With dead ends: 103 [2018-12-31 09:51:10,393 INFO L226 Difference]: Without dead ends: 55 [2018-12-31 09:51:10,394 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:51:10,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-31 09:51:10,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-12-31 09:51:10,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-31 09:51:10,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2018-12-31 09:51:10,410 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 26 [2018-12-31 09:51:10,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:10,410 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2018-12-31 09:51:10,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:51:10,413 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2018-12-31 09:51:10,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-31 09:51:10,414 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:10,414 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:10,415 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:10,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:10,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1016692102, now seen corresponding path program 1 times [2018-12-31 09:51:10,415 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:10,415 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:10,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:10,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:10,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:10,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:10,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:10,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:51:10,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:51:10,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:51:10,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:51:10,597 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand 3 states. [2018-12-31 09:51:10,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:10,725 INFO L93 Difference]: Finished difference Result 127 states and 181 transitions. [2018-12-31 09:51:10,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:51:10,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-12-31 09:51:10,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:10,728 INFO L225 Difference]: With dead ends: 127 [2018-12-31 09:51:10,728 INFO L226 Difference]: Without dead ends: 79 [2018-12-31 09:51:10,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:51:10,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-31 09:51:10,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2018-12-31 09:51:10,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-12-31 09:51:10,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2018-12-31 09:51:10,745 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 28 [2018-12-31 09:51:10,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:10,745 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2018-12-31 09:51:10,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:51:10,746 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2018-12-31 09:51:10,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:51:10,747 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:10,747 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:10,747 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:10,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:10,748 INFO L82 PathProgramCache]: Analyzing trace with hash -836140634, now seen corresponding path program 1 times [2018-12-31 09:51:10,748 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:10,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:10,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:10,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:10,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:11,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:11,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:11,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:51:11,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:51:11,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:51:11,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:51:11,027 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2018-12-31 09:51:11,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:11,517 INFO L93 Difference]: Finished difference Result 260 states and 366 transitions. [2018-12-31 09:51:11,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:51:11,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-12-31 09:51:11,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:11,520 INFO L225 Difference]: With dead ends: 260 [2018-12-31 09:51:11,520 INFO L226 Difference]: Without dead ends: 190 [2018-12-31 09:51:11,521 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 09:51:11,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-12-31 09:51:11,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2018-12-31 09:51:11,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-31 09:51:11,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2018-12-31 09:51:11,536 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 34 [2018-12-31 09:51:11,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:11,536 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2018-12-31 09:51:11,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:51:11,537 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2018-12-31 09:51:11,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-31 09:51:11,538 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:11,538 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, 1, 1] [2018-12-31 09:51:11,538 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:11,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:11,539 INFO L82 PathProgramCache]: Analyzing trace with hash 2819926, now seen corresponding path program 1 times [2018-12-31 09:51:11,539 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:11,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:11,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:11,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:11,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:11,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:11,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:11,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:51:11,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:51:11,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:51:11,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:51:11,720 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand 5 states. [2018-12-31 09:51:12,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:12,074 INFO L93 Difference]: Finished difference Result 194 states and 266 transitions. [2018-12-31 09:51:12,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:51:12,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2018-12-31 09:51:12,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:12,078 INFO L225 Difference]: With dead ends: 194 [2018-12-31 09:51:12,078 INFO L226 Difference]: Without dead ends: 125 [2018-12-31 09:51:12,079 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:51:12,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-31 09:51:12,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 82. [2018-12-31 09:51:12,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-12-31 09:51:12,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 110 transitions. [2018-12-31 09:51:12,092 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 110 transitions. Word has length 37 [2018-12-31 09:51:12,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:12,093 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 110 transitions. [2018-12-31 09:51:12,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:51:12,093 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2018-12-31 09:51:12,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-31 09:51:12,094 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:12,094 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, 1, 1] [2018-12-31 09:51:12,094 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:12,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:12,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1008297324, now seen corresponding path program 1 times [2018-12-31 09:51:12,095 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:12,095 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:12,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:12,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:12,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:12,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:12,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:12,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:51:12,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 09:51:12,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 09:51:12,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 09:51:12,273 INFO L87 Difference]: Start difference. First operand 82 states and 110 transitions. Second operand 4 states. [2018-12-31 09:51:12,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:12,556 INFO L93 Difference]: Finished difference Result 189 states and 254 transitions. [2018-12-31 09:51:12,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 09:51:12,557 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2018-12-31 09:51:12,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:12,559 INFO L225 Difference]: With dead ends: 189 [2018-12-31 09:51:12,559 INFO L226 Difference]: Without dead ends: 114 [2018-12-31 09:51:12,560 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 09:51:12,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-31 09:51:12,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 86. [2018-12-31 09:51:12,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-12-31 09:51:12,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 114 transitions. [2018-12-31 09:51:12,576 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 114 transitions. Word has length 37 [2018-12-31 09:51:12,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:12,576 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 114 transitions. [2018-12-31 09:51:12,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 09:51:12,576 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2018-12-31 09:51:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-31 09:51:12,580 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:12,580 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, 1, 1] [2018-12-31 09:51:12,580 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:12,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:12,581 INFO L82 PathProgramCache]: Analyzing trace with hash -2029365678, now seen corresponding path program 1 times [2018-12-31 09:51:12,581 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:12,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:12,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:12,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:12,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:12,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:12,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:12,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:51:12,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:51:12,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:51:12,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:51:12,680 INFO L87 Difference]: Start difference. First operand 86 states and 114 transitions. Second operand 3 states. [2018-12-31 09:51:12,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:12,870 INFO L93 Difference]: Finished difference Result 193 states and 257 transitions. [2018-12-31 09:51:12,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:51:12,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-12-31 09:51:12,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:12,873 INFO L225 Difference]: With dead ends: 193 [2018-12-31 09:51:12,874 INFO L226 Difference]: Without dead ends: 114 [2018-12-31 09:51:12,874 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:51:12,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-31 09:51:12,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-12-31 09:51:12,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-12-31 09:51:12,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 148 transitions. [2018-12-31 09:51:12,893 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 148 transitions. Word has length 37 [2018-12-31 09:51:12,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:12,893 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 148 transitions. [2018-12-31 09:51:12,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:51:12,893 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2018-12-31 09:51:12,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-31 09:51:12,896 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:12,896 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, 1, 1, 1] [2018-12-31 09:51:12,897 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:12,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:12,897 INFO L82 PathProgramCache]: Analyzing trace with hash -493567726, now seen corresponding path program 1 times [2018-12-31 09:51:12,897 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:12,897 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:12,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:12,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:12,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:13,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:13,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:51:13,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 09:51:13,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 09:51:13,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 09:51:13,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:51:13,077 INFO L87 Difference]: Start difference. First operand 114 states and 148 transitions. Second operand 6 states. [2018-12-31 09:51:14,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:14,028 INFO L93 Difference]: Finished difference Result 429 states and 571 transitions. [2018-12-31 09:51:14,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:51:14,030 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2018-12-31 09:51:14,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:14,034 INFO L225 Difference]: With dead ends: 429 [2018-12-31 09:51:14,034 INFO L226 Difference]: Without dead ends: 350 [2018-12-31 09:51:14,035 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-12-31 09:51:14,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-12-31 09:51:14,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 159. [2018-12-31 09:51:14,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-12-31 09:51:14,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 204 transitions. [2018-12-31 09:51:14,070 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 204 transitions. Word has length 38 [2018-12-31 09:51:14,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:14,073 INFO L480 AbstractCegarLoop]: Abstraction has 159 states and 204 transitions. [2018-12-31 09:51:14,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 09:51:14,074 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 204 transitions. [2018-12-31 09:51:14,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-31 09:51:14,080 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:51:14,081 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:51:14,081 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:51:14,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:51:14,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1880270052, now seen corresponding path program 1 times [2018-12-31 09:51:14,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:51:14,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:51:14,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:14,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:14,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:51:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:14,261 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:14,262 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 09:51:14,262 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-31 09:51:14,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:51:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:51:14,396 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 09:51:14,575 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:51:14,599 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-31 09:51:14,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-12-31 09:51:14,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-31 09:51:14,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-31 09:51:14,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-31 09:51:14,601 INFO L87 Difference]: Start difference. First operand 159 states and 204 transitions. Second operand 9 states. [2018-12-31 09:51:15,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:51:15,198 INFO L93 Difference]: Finished difference Result 317 states and 423 transitions. [2018-12-31 09:51:15,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-31 09:51:15,199 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2018-12-31 09:51:15,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:51:15,199 INFO L225 Difference]: With dead ends: 317 [2018-12-31 09:51:15,199 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:51:15,200 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2018-12-31 09:51:15,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:51:15,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:51:15,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:51:15,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:51:15,201 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2018-12-31 09:51:15,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:51:15,201 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:51:15,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-31 09:51:15,201 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:51:15,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:51:15,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:51:15,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:15,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:15,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:15,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:15,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:15,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:15,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:15,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:15,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:15,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:15,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:15,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:15,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:15,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:15,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:16,576 WARN L181 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 19 [2018-12-31 09:51:16,825 WARN L181 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-12-31 09:51:17,268 WARN L181 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2018-12-31 09:51:17,573 WARN L181 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2018-12-31 09:51:17,745 WARN L181 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2018-12-31 09:51:18,087 WARN L181 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 23 [2018-12-31 09:51:18,431 WARN L181 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-12-31 09:51:18,566 INFO L444 ceAbstractionStarter]: At program point L135(lines 126 139) the Hoare annotation is: false [2018-12-31 09:51:18,566 INFO L444 ceAbstractionStarter]: At program point L135-1(lines 126 139) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) .cse3) (and (and .cse0 .cse1 (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse2) .cse3))) [2018-12-31 09:51:18,566 INFO L444 ceAbstractionStarter]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2018-12-31 09:51:18,566 INFO L444 ceAbstractionStarter]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2018-12-31 09:51:18,566 INFO L444 ceAbstractionStarter]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2018-12-31 09:51:18,566 INFO L444 ceAbstractionStarter]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2018-12-31 09:51:18,567 INFO L444 ceAbstractionStarter]: At program point L763(lines 748 766) the Hoare annotation is: false [2018-12-31 09:51:18,567 INFO L444 ceAbstractionStarter]: At program point L763-1(lines 748 766) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) .cse3) (and (and .cse1 (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse0 .cse2)) .cse3))) [2018-12-31 09:51:18,567 INFO L444 ceAbstractionStarter]: At program point L763-2(lines 748 766) the Hoare annotation is: false [2018-12-31 09:51:18,567 INFO L444 ceAbstractionStarter]: At program point L763-3(lines 748 766) the Hoare annotation is: false [2018-12-31 09:51:18,567 INFO L444 ceAbstractionStarter]: At program point L763-4(lines 748 766) the Hoare annotation is: false [2018-12-31 09:51:18,568 INFO L444 ceAbstractionStarter]: At program point L763-5(lines 748 766) the Hoare annotation is: false [2018-12-31 09:51:18,568 INFO L444 ceAbstractionStarter]: At program point L533(lines 580 586) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 (= ~pumpRunning~0 0)) .cse2))) [2018-12-31 09:51:18,568 INFO L444 ceAbstractionStarter]: At program point L533-1(lines 580 586) the Hoare annotation is: false [2018-12-31 09:51:18,568 INFO L444 ceAbstractionStarter]: At program point L533-2(lines 580 586) the Hoare annotation is: false [2018-12-31 09:51:18,568 INFO L444 ceAbstractionStarter]: At program point L699(lines 692 702) the Hoare annotation is: (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 1)) [2018-12-31 09:51:18,568 INFO L444 ceAbstractionStarter]: At program point L699-1(lines 692 702) the Hoare annotation is: false [2018-12-31 09:51:18,568 INFO L444 ceAbstractionStarter]: At program point L699-2(lines 692 702) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:18,568 INFO L444 ceAbstractionStarter]: At program point L699-3(lines 692 702) the Hoare annotation is: false [2018-12-31 09:51:18,569 INFO L444 ceAbstractionStarter]: At program point L699-4(lines 692 702) the Hoare annotation is: false [2018-12-31 09:51:18,569 INFO L444 ceAbstractionStarter]: At program point L699-5(lines 692 702) the Hoare annotation is: false [2018-12-31 09:51:18,569 INFO L444 ceAbstractionStarter]: At program point L699-6(lines 692 702) the Hoare annotation is: false [2018-12-31 09:51:18,569 INFO L444 ceAbstractionStarter]: At program point L699-7(lines 692 702) the Hoare annotation is: false [2018-12-31 09:51:18,569 INFO L444 ceAbstractionStarter]: At program point L699-8(lines 692 702) the Hoare annotation is: false [2018-12-31 09:51:18,569 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-12-31 09:51:18,569 INFO L451 ceAbstractionStarter]: At program point L964(lines 945 967) the Hoare annotation is: true [2018-12-31 09:51:18,569 INFO L444 ceAbstractionStarter]: At program point L931(lines 927 933) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:18,569 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 805) no Hoare annotation was computed. [2018-12-31 09:51:18,571 INFO L444 ceAbstractionStarter]: At program point L799-1(lines 799 805) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3))) [2018-12-31 09:51:18,571 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-12-31 09:51:18,571 INFO L444 ceAbstractionStarter]: At program point L867(lines 862 870) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:18,571 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 655) no Hoare annotation was computed. [2018-12-31 09:51:18,571 INFO L448 ceAbstractionStarter]: For program point L638-1(lines 638 655) no Hoare annotation was computed. [2018-12-31 09:51:18,572 INFO L448 ceAbstractionStarter]: For program point L638-2(lines 638 655) no Hoare annotation was computed. [2018-12-31 09:51:18,572 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 81) no Hoare annotation was computed. [2018-12-31 09:51:18,572 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-12-31 09:51:18,572 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-31 09:51:18,572 INFO L448 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2018-12-31 09:51:18,572 INFO L448 ceAbstractionStarter]: For program point L145-2(line 145) no Hoare annotation was computed. [2018-12-31 09:51:18,572 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 680) no Hoare annotation was computed. [2018-12-31 09:51:18,572 INFO L448 ceAbstractionStarter]: For program point L674-2(lines 674 680) no Hoare annotation was computed. [2018-12-31 09:51:18,572 INFO L448 ceAbstractionStarter]: For program point L674-4(lines 674 680) no Hoare annotation was computed. [2018-12-31 09:51:18,572 INFO L448 ceAbstractionStarter]: For program point L674-6(lines 674 680) no Hoare annotation was computed. [2018-12-31 09:51:18,572 INFO L448 ceAbstractionStarter]: For program point L674-8(lines 674 680) no Hoare annotation was computed. [2018-12-31 09:51:18,573 INFO L448 ceAbstractionStarter]: For program point L674-10(lines 674 680) no Hoare annotation was computed. [2018-12-31 09:51:18,573 INFO L444 ceAbstractionStarter]: At program point L708(lines 703 711) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~systemActive~0 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 (= ~pumpRunning~0 0)) .cse4))) [2018-12-31 09:51:18,573 INFO L444 ceAbstractionStarter]: At program point L708-1(lines 703 711) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2018-12-31 09:51:18,573 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 650) no Hoare annotation was computed. [2018-12-31 09:51:18,573 INFO L444 ceAbstractionStarter]: At program point L708-2(lines 703 711) the Hoare annotation is: false [2018-12-31 09:51:18,573 INFO L448 ceAbstractionStarter]: For program point L642-1(lines 642 650) no Hoare annotation was computed. [2018-12-31 09:51:18,573 INFO L444 ceAbstractionStarter]: At program point L708-3(lines 703 711) the Hoare annotation is: false [2018-12-31 09:51:18,573 INFO L444 ceAbstractionStarter]: At program point L708-4(lines 703 711) the Hoare annotation is: false [2018-12-31 09:51:18,573 INFO L448 ceAbstractionStarter]: For program point L642-2(lines 642 650) no Hoare annotation was computed. [2018-12-31 09:51:18,574 INFO L444 ceAbstractionStarter]: At program point L708-5(lines 703 711) the Hoare annotation is: false [2018-12-31 09:51:18,574 INFO L448 ceAbstractionStarter]: For program point L544(lines 544 561) no Hoare annotation was computed. [2018-12-31 09:51:18,574 INFO L444 ceAbstractionStarter]: At program point L544-1(lines 1 967) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~3 2) (<= 2 ~waterLevel~0) .cse1 (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~3) .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3))) [2018-12-31 09:51:18,574 INFO L448 ceAbstractionStarter]: For program point L544-2(lines 544 561) no Hoare annotation was computed. [2018-12-31 09:51:18,574 INFO L444 ceAbstractionStarter]: At program point L544-3(lines 1 967) the Hoare annotation is: false [2018-12-31 09:51:18,574 INFO L448 ceAbstractionStarter]: For program point L544-4(lines 544 561) no Hoare annotation was computed. [2018-12-31 09:51:18,574 INFO L444 ceAbstractionStarter]: At program point L544-5(lines 1 967) the Hoare annotation is: false [2018-12-31 09:51:18,574 INFO L448 ceAbstractionStarter]: For program point L809(lines 809 820) no Hoare annotation was computed. [2018-12-31 09:51:18,574 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 629) no Hoare annotation was computed. [2018-12-31 09:51:18,574 INFO L448 ceAbstractionStarter]: For program point L612-1(lines 612 629) no Hoare annotation was computed. [2018-12-31 09:51:18,575 INFO L448 ceAbstractionStarter]: For program point L612-2(lines 612 629) no Hoare annotation was computed. [2018-12-31 09:51:18,575 INFO L448 ceAbstractionStarter]: For program point L612-3(lines 612 629) no Hoare annotation was computed. [2018-12-31 09:51:18,575 INFO L448 ceAbstractionStarter]: For program point L612-4(lines 612 629) no Hoare annotation was computed. [2018-12-31 09:51:18,576 INFO L448 ceAbstractionStarter]: For program point L612-5(lines 612 629) no Hoare annotation was computed. [2018-12-31 09:51:18,576 INFO L444 ceAbstractionStarter]: At program point L580(lines 576 598) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~systemActive~0 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and (and .cse1 (and .cse0 (= ~pumpRunning~0 0))) .cse2))) [2018-12-31 09:51:18,576 INFO L444 ceAbstractionStarter]: At program point L580-1(lines 576 598) the Hoare annotation is: false [2018-12-31 09:51:18,576 INFO L444 ceAbstractionStarter]: At program point L580-2(lines 576 598) the Hoare annotation is: false [2018-12-31 09:51:18,576 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 558) no Hoare annotation was computed. [2018-12-31 09:51:18,576 INFO L448 ceAbstractionStarter]: For program point L548-2(lines 548 558) no Hoare annotation was computed. [2018-12-31 09:51:18,576 INFO L448 ceAbstractionStarter]: For program point L548-4(lines 548 558) no Hoare annotation was computed. [2018-12-31 09:51:18,576 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:51:18,576 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 57) no Hoare annotation was computed. [2018-12-31 09:51:18,576 INFO L448 ceAbstractionStarter]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2018-12-31 09:51:18,576 INFO L448 ceAbstractionStarter]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2018-12-31 09:51:18,577 INFO L448 ceAbstractionStarter]: For program point L780(lines 779 824) no Hoare annotation was computed. [2018-12-31 09:51:18,577 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 555) no Hoare annotation was computed. [2018-12-31 09:51:18,577 INFO L448 ceAbstractionStarter]: For program point L549-2(lines 549 555) no Hoare annotation was computed. [2018-12-31 09:51:18,577 INFO L448 ceAbstractionStarter]: For program point L549-4(lines 549 555) no Hoare annotation was computed. [2018-12-31 09:51:18,577 INFO L448 ceAbstractionStarter]: For program point L781(lines 781 785) no Hoare annotation was computed. [2018-12-31 09:51:18,577 INFO L448 ceAbstractionStarter]: For program point L616(lines 616 624) no Hoare annotation was computed. [2018-12-31 09:51:18,577 INFO L448 ceAbstractionStarter]: For program point L616-1(lines 616 624) no Hoare annotation was computed. [2018-12-31 09:51:18,577 INFO L448 ceAbstractionStarter]: For program point L616-2(lines 616 624) no Hoare annotation was computed. [2018-12-31 09:51:18,577 INFO L448 ceAbstractionStarter]: For program point L616-3(lines 616 624) no Hoare annotation was computed. [2018-12-31 09:51:18,577 INFO L448 ceAbstractionStarter]: For program point L616-4(lines 616 624) no Hoare annotation was computed. [2018-12-31 09:51:18,577 INFO L448 ceAbstractionStarter]: For program point L616-5(lines 616 624) no Hoare annotation was computed. [2018-12-31 09:51:18,578 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 819) no Hoare annotation was computed. [2018-12-31 09:51:18,578 INFO L448 ceAbstractionStarter]: For program point L815-2(lines 809 820) no Hoare annotation was computed. [2018-12-31 09:51:18,578 INFO L444 ceAbstractionStarter]: At program point L122(lines 117 125) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 (and .cse1 (= ~pumpRunning~0 0)) .cse2) (and (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse1 .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2))) [2018-12-31 09:51:18,578 INFO L444 ceAbstractionStarter]: At program point L122-1(lines 117 125) the Hoare annotation is: false [2018-12-31 09:51:18,578 INFO L444 ceAbstractionStarter]: At program point L122-2(lines 117 125) the Hoare annotation is: false [2018-12-31 09:51:18,578 INFO L444 ceAbstractionStarter]: At program point L90(lines 85 93) the Hoare annotation is: (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 1)) [2018-12-31 09:51:18,578 INFO L444 ceAbstractionStarter]: At program point L90-1(lines 85 93) the Hoare annotation is: false [2018-12-31 09:51:18,578 INFO L444 ceAbstractionStarter]: At program point L90-2(lines 85 93) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:18,578 INFO L444 ceAbstractionStarter]: At program point L90-3(lines 85 93) the Hoare annotation is: false [2018-12-31 09:51:18,579 INFO L444 ceAbstractionStarter]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2018-12-31 09:51:18,579 INFO L444 ceAbstractionStarter]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2018-12-31 09:51:18,579 INFO L444 ceAbstractionStarter]: At program point L90-6(lines 85 93) the Hoare annotation is: false [2018-12-31 09:51:18,579 INFO L444 ceAbstractionStarter]: At program point L90-7(lines 85 93) the Hoare annotation is: false [2018-12-31 09:51:18,579 INFO L444 ceAbstractionStarter]: At program point L90-8(lines 85 93) the Hoare annotation is: false [2018-12-31 09:51:18,579 INFO L444 ceAbstractionStarter]: At program point L883-2(lines 883 897) the Hoare annotation is: false [2018-12-31 09:51:18,579 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:51:18,579 INFO L448 ceAbstractionStarter]: For program point L884(line 884) no Hoare annotation was computed. [2018-12-31 09:51:18,579 INFO L444 ceAbstractionStarter]: At program point L587(lines 587 593) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (and .cse2 (and .cse1 (= ~pumpRunning~0 0))) .cse3))) [2018-12-31 09:51:18,579 INFO L444 ceAbstractionStarter]: At program point L587-1(lines 587 593) the Hoare annotation is: false [2018-12-31 09:51:18,580 INFO L444 ceAbstractionStarter]: At program point L587-2(lines 587 593) the Hoare annotation is: false [2018-12-31 09:51:18,580 INFO L444 ceAbstractionStarter]: At program point L523(lines 518 525) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:18,580 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:51:18,580 INFO L448 ceAbstractionStarter]: For program point L887(lines 887 891) no Hoare annotation was computed. [2018-12-31 09:51:18,580 INFO L448 ceAbstractionStarter]: For program point L887-1(lines 887 891) no Hoare annotation was computed. [2018-12-31 09:51:18,580 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 795) no Hoare annotation was computed. [2018-12-31 09:51:18,580 INFO L444 ceAbstractionStarter]: At program point L789-1(lines 789 795) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~systemActive~0 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3))) [2018-12-31 09:51:18,580 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 962) no Hoare annotation was computed. [2018-12-31 09:51:18,580 INFO L451 ceAbstractionStarter]: At program point L955-1(lines 955 962) the Hoare annotation is: true [2018-12-31 09:51:18,581 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 761) no Hoare annotation was computed. [2018-12-31 09:51:18,581 INFO L448 ceAbstractionStarter]: For program point L757-2(lines 757 761) no Hoare annotation was computed. [2018-12-31 09:51:18,581 INFO L448 ceAbstractionStarter]: For program point L757-3(lines 757 761) no Hoare annotation was computed. [2018-12-31 09:51:18,581 INFO L448 ceAbstractionStarter]: For program point L757-5(lines 757 761) no Hoare annotation was computed. [2018-12-31 09:51:18,581 INFO L448 ceAbstractionStarter]: For program point L757-6(lines 757 761) no Hoare annotation was computed. [2018-12-31 09:51:18,581 INFO L448 ceAbstractionStarter]: For program point L757-8(lines 757 761) no Hoare annotation was computed. [2018-12-31 09:51:18,581 INFO L448 ceAbstractionStarter]: For program point L757-9(lines 757 761) no Hoare annotation was computed. [2018-12-31 09:51:18,581 INFO L448 ceAbstractionStarter]: For program point L757-11(lines 757 761) no Hoare annotation was computed. [2018-12-31 09:51:18,581 INFO L448 ceAbstractionStarter]: For program point L757-12(lines 757 761) no Hoare annotation was computed. [2018-12-31 09:51:18,581 INFO L448 ceAbstractionStarter]: For program point L757-14(lines 757 761) no Hoare annotation was computed. [2018-12-31 09:51:18,581 INFO L448 ceAbstractionStarter]: For program point L757-15(lines 757 761) no Hoare annotation was computed. [2018-12-31 09:51:18,581 INFO L448 ceAbstractionStarter]: For program point L757-17(lines 757 761) no Hoare annotation was computed. [2018-12-31 09:51:18,582 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-12-31 09:51:18,582 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2018-12-31 09:51:18,582 INFO L448 ceAbstractionStarter]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2018-12-31 09:51:18,582 INFO L448 ceAbstractionStarter]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2018-12-31 09:51:18,582 INFO L448 ceAbstractionStarter]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2018-12-31 09:51:18,582 INFO L448 ceAbstractionStarter]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2018-12-31 09:51:18,582 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2018-12-31 09:51:18,582 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:51:18,582 INFO L444 ceAbstractionStarter]: At program point L825(lines 778 826) the Hoare annotation is: false [2018-12-31 09:51:18,582 INFO L444 ceAbstractionStarter]: At program point L859(lines 1 967) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:18,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:51:18 BoogieIcfgContainer [2018-12-31 09:51:18,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:51:18,641 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:51:18,641 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:51:18,641 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:51:18,647 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:51:09" (3/4) ... [2018-12-31 09:51:18,651 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:51:18,694 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:51:18,696 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-31 09:51:18,697 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 09:51:18,699 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 09:51:18,701 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:51:18,703 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:51:18,741 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= pumpRunning && tmp <= 2) && 2 <= waterLevel) && splverifierCounter == 0) && 2 <= tmp) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && systemActive == 1) || (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1)) || (((splverifierCounter == 0 && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:18,742 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1) || ((((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && systemActive == 1)) || (((splverifierCounter == 0 && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:18,744 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1) || ((((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && systemActive == 1)) || (((splverifierCounter == 0 && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:18,744 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1) || (((((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1)) || ((((0 == \result && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:18,745 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1) || ((((0 == \result && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:18,745 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:18,745 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1) || ((((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && systemActive == 1)) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:18,750 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) || (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1)) || ((((((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && systemActive == 1) [2018-12-31 09:51:18,751 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1 [2018-12-31 09:51:18,753 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1 [2018-12-31 09:51:18,754 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((((splverifierCounter == 0 && waterLevel <= 2) && 1 == \result) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:18,755 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == \result && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1) [2018-12-31 09:51:18,756 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((waterLevel <= 2 && ((0 == \result && 0 == tmp___0) && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:18,897 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:51:18,899 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:51:18,900 INFO L168 Benchmark]: Toolchain (without parser) took 12067.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.2 MB). Free memory was 950.0 MB in the beginning and 909.1 MB in the end (delta: 40.9 MB). Peak memory consumption was 250.1 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:18,901 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:51:18,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:18,902 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.75 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:18,902 INFO L168 Benchmark]: Boogie Preprocessor took 70.92 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:18,903 INFO L168 Benchmark]: RCFGBuilder took 1698.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:18,905 INFO L168 Benchmark]: TraceAbstraction took 9205.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.1 GB in the beginning and 924.8 MB in the end (delta: 131.4 MB). Peak memory consumption was 205.9 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:18,905 INFO L168 Benchmark]: Witness Printer took 258.40 ms. Allocated memory is still 1.2 GB. Free memory was 924.8 MB in the beginning and 909.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:18,909 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 735.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.75 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.92 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1698.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9205.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 74.4 MB). Free memory was 1.1 GB in the beginning and 924.8 MB in the end (delta: 131.4 MB). Peak memory consumption was 205.9 MB. Max. memory is 11.5 GB. * Witness Printer took 258.40 ms. Allocated memory is still 1.2 GB. Free memory was 924.8 MB in the beginning and 909.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 145]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((((splverifierCounter == 0 && waterLevel <= 2) && 1 == \result) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1) || ((((0 == \result && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning && tmp <= 2) && 2 <= waterLevel) && splverifierCounter == 0) && 2 <= tmp) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && systemActive == 1) || (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1)) || (((splverifierCounter == 0 && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1 - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: (((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) || (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1)) || ((((((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && systemActive == 1) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: ((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1) || ((((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && systemActive == 1)) || (((splverifierCounter == 0 && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: ((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1) || (((((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1)) || ((((0 == \result && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: ((((0 == \result && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || (((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1) - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: ((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1) || ((((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && systemActive == 1)) || ((waterLevel <= 2 && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: ((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && systemActive == 1) || ((((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && systemActive == 1)) || (((splverifierCounter == 0 && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((waterLevel <= 2 && ((0 == \result && 0 == tmp___0) && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 3 error locations. SAFE Result, 9.0s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 3.2s AutomataDifference, 0.0s DeadEndRemovalTime, 3.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1088 SDtfs, 1171 SDslu, 1270 SDs, 0 SdLazy, 227 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 378 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 61 PreInvPairs, 134 NumberOfFragments, 658 HoareAnnotationTreeSize, 61 FomulaSimplifications, 25595 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 61 FomulaSimplificationsInter, 2264 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 34377 SizeOfPredicates, 4 NumberOfNonLiveVariables, 431 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 14/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...