./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product57_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 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:49:51,669 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:49:51,671 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:49:51,693 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:49:51,695 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:49:51,697 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:49:51,699 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:49:51,703 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:49:51,705 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:49:51,707 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:49:51,710 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:49:51,711 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:49:51,712 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:49:51,716 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:49:51,724 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:49:51,725 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:49:51,727 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:49:51,732 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:49:51,736 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:49:51,741 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:49:51,743 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:49:51,746 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:49:51,754 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:49:51,754 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:49:51,755 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:49:51,756 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:49:51,759 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:49:51,760 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:49:51,762 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:49:51,765 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:49:51,765 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:49:51,766 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:49:51,766 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:49:51,766 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:49:51,767 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:49:51,768 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:49:51,770 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:49:51,791 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:49:51,791 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:49:51,796 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:49:51,798 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:49:51,798 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:49:51,798 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:49:51,798 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:49:51,799 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:49:51,799 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:49:51,799 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:49:51,799 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:49:51,800 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:49:51,800 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:49:51,800 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:49:51,800 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:49:51,800 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:49:51,801 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:49:51,801 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:49:51,801 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:49:51,801 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:49:51,801 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:49:51,803 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:49:51,803 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:49:51,804 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:49:51,804 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:49:51,804 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:49:51,804 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:49:51,804 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:49:51,805 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 -> 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 [2018-12-31 09:49:51,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:49:51,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:49:51,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:49:51,895 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:49:51,896 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:49:51,897 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:51,954 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03c8ad87a/1942f95195304516a54e7434a6f177e2/FLAGbbcf8a72e [2018-12-31 09:49:52,533 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:49:52,534 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:52,547 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03c8ad87a/1942f95195304516a54e7434a6f177e2/FLAGbbcf8a72e [2018-12-31 09:49:52,804 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03c8ad87a/1942f95195304516a54e7434a6f177e2 [2018-12-31 09:49:52,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:49:52,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:49:52,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:49:52,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:49:52,815 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:49:52,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:49:52" (1/1) ... [2018-12-31 09:49:52,819 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 09:49:52, skipping insertion in model container [2018-12-31 09:49:52,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:49:52" (1/1) ... [2018-12-31 09:49:52,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:49:52,896 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:49:53,348 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:49:53,381 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:49:53,536 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:49:53,671 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:49:53,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:53 WrapperNode [2018-12-31 09:49:53,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:49:53,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:49:53,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:49:53,674 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:49:53,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:53" (1/1) ... [2018-12-31 09:49:53,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:53" (1/1) ... [2018-12-31 09:49:53,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:49:53,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:49:53,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:49:53,780 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:49:53,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:53" (1/1) ... [2018-12-31 09:49:53,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:53" (1/1) ... [2018-12-31 09:49:53,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:53" (1/1) ... [2018-12-31 09:49:53,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:53" (1/1) ... [2018-12-31 09:49:53,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:53" (1/1) ... [2018-12-31 09:49:53,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:53" (1/1) ... [2018-12-31 09:49:53,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:53" (1/1) ... [2018-12-31 09:49:53,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:49:53,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:49:53,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:49:53,852 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:49:53,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:53" (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 09:49:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:49:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:49:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:49:53,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:49:55,490 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:49:55,490 INFO L280 CfgBuilder]: Removed 192 assue(true) statements. [2018-12-31 09:49:55,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:55 BoogieIcfgContainer [2018-12-31 09:49:55,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:49:55,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:49:55,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:49:55,496 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:49:55,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:49:52" (1/3) ... [2018-12-31 09:49:55,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a87ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:49:55, skipping insertion in model container [2018-12-31 09:49:55,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:53" (2/3) ... [2018-12-31 09:49:55,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a87ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:49:55, skipping insertion in model container [2018-12-31 09:49:55,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:55" (3/3) ... [2018-12-31 09:49:55,501 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:55,511 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:49:55,522 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:49:55,541 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:49:55,577 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:49:55,577 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:49:55,578 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:49:55,578 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:49:55,578 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:49:55,578 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:49:55,578 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:49:55,578 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:49:55,578 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:49:55,600 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-12-31 09:49:55,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 09:49:55,610 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:55,611 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:55,613 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:55,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:55,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1916587088, now seen corresponding path program 1 times [2018-12-31 09:49:55,624 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:55,625 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:55,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:55,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:55,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:55,961 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 09:49:55,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:55,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:49:55,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:49:55,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:49:55,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:49:55,986 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2018-12-31 09:49:56,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:56,022 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2018-12-31 09:49:56,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:49:56,024 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-12-31 09:49:56,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:56,039 INFO L225 Difference]: With dead ends: 264 [2018-12-31 09:49:56,040 INFO L226 Difference]: Without dead ends: 131 [2018-12-31 09:49:56,044 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 09:49:56,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-31 09:49:56,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-31 09:49:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-31 09:49:56,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2018-12-31 09:49:56,098 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2018-12-31 09:49:56,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:56,098 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2018-12-31 09:49:56,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:49:56,098 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2018-12-31 09:49:56,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-31 09:49:56,100 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:56,100 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:56,101 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:56,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:56,101 INFO L82 PathProgramCache]: Analyzing trace with hash 869830191, now seen corresponding path program 1 times [2018-12-31 09:49:56,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:56,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:56,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:56,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:56,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:56,245 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 09:49:56,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:56,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:49:56,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:49:56,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:49:56,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:56,255 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2018-12-31 09:49:56,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:56,292 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2018-12-31 09:49:56,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:49:56,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-12-31 09:49:56,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:56,297 INFO L225 Difference]: With dead ends: 131 [2018-12-31 09:49:56,299 INFO L226 Difference]: Without dead ends: 53 [2018-12-31 09:49:56,300 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 09:49:56,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-31 09:49:56,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-12-31 09:49:56,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-31 09:49:56,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2018-12-31 09:49:56,316 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2018-12-31 09:49:56,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:56,316 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2018-12-31 09:49:56,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:49:56,318 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2018-12-31 09:49:56,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-31 09:49:56,320 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:56,320 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:56,321 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:56,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:56,321 INFO L82 PathProgramCache]: Analyzing trace with hash 105563969, now seen corresponding path program 1 times [2018-12-31 09:49:56,321 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:56,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:56,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:56,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:56,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:56,536 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 09:49:56,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:56,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:49:56,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 09:49:56,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 09:49:56,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:49:56,539 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 6 states. [2018-12-31 09:49:56,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:56,660 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2018-12-31 09:49:56,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 09:49:56,668 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-31 09:49:56,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:56,669 INFO L225 Difference]: With dead ends: 100 [2018-12-31 09:49:56,669 INFO L226 Difference]: Without dead ends: 53 [2018-12-31 09:49:56,670 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:49:56,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-31 09:49:56,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-12-31 09:49:56,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-31 09:49:56,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2018-12-31 09:49:56,683 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2018-12-31 09:49:56,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:56,683 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2018-12-31 09:49:56,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 09:49:56,683 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2018-12-31 09:49:56,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:49:56,687 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:56,687 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:56,687 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:56,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:56,688 INFO L82 PathProgramCache]: Analyzing trace with hash -72226312, now seen corresponding path program 1 times [2018-12-31 09:49:56,688 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:56,688 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:56,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:56,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:56,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:56,801 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 09:49:56,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:56,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:49:56,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:49:56,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:49:56,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:56,802 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2018-12-31 09:49:56,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:56,912 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2018-12-31 09:49:56,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:49:56,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-31 09:49:56,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:56,915 INFO L225 Difference]: With dead ends: 121 [2018-12-31 09:49:56,915 INFO L226 Difference]: Without dead ends: 74 [2018-12-31 09:49:56,916 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 09:49:56,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-12-31 09:49:56,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2018-12-31 09:49:56,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-31 09:49:56,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2018-12-31 09:49:56,926 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2018-12-31 09:49:56,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:56,927 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2018-12-31 09:49:56,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:49:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2018-12-31 09:49:56,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-31 09:49:56,928 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:56,928 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:56,928 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:56,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:56,929 INFO L82 PathProgramCache]: Analyzing trace with hash 615192364, now seen corresponding path program 1 times [2018-12-31 09:49:56,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:56,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:56,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:56,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:56,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:57,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:57,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:57,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:49:57,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:49:57,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:49:57,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:49:57,069 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2018-12-31 09:49:57,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:57,421 INFO L93 Difference]: Finished difference Result 253 states and 363 transitions. [2018-12-31 09:49:57,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:49:57,422 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2018-12-31 09:49:57,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:57,424 INFO L225 Difference]: With dead ends: 253 [2018-12-31 09:49:57,424 INFO L226 Difference]: Without dead ends: 187 [2018-12-31 09:49:57,425 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:49:57,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-12-31 09:49:57,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 115. [2018-12-31 09:49:57,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-12-31 09:49:57,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 158 transitions. [2018-12-31 09:49:57,458 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 158 transitions. Word has length 30 [2018-12-31 09:49:57,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:57,458 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 158 transitions. [2018-12-31 09:49:57,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:49:57,458 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2018-12-31 09:49:57,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-31 09:49:57,463 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:57,463 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:57,464 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:57,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:57,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1392623830, now seen corresponding path program 1 times [2018-12-31 09:49:57,464 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:57,464 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:57,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:57,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:57,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:57,806 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 09:49:57,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:57,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:49:57,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:49:57,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:49:57,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:49:57,810 INFO L87 Difference]: Start difference. First operand 115 states and 158 transitions. Second operand 5 states. [2018-12-31 09:49:58,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:58,592 INFO L93 Difference]: Finished difference Result 247 states and 347 transitions. [2018-12-31 09:49:58,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:49:58,593 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-12-31 09:49:58,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:58,596 INFO L225 Difference]: With dead ends: 247 [2018-12-31 09:49:58,596 INFO L226 Difference]: Without dead ends: 245 [2018-12-31 09:49:58,597 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 09:49:58,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-12-31 09:49:58,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 115. [2018-12-31 09:49:58,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-12-31 09:49:58,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 157 transitions. [2018-12-31 09:49:58,629 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 157 transitions. Word has length 31 [2018-12-31 09:49:58,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:58,629 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 157 transitions. [2018-12-31 09:49:58,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:49:58,629 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 157 transitions. [2018-12-31 09:49:58,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:49:58,634 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:58,635 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 09:49:58,635 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:58,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:58,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1640626781, now seen corresponding path program 1 times [2018-12-31 09:49:58,638 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:58,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:58,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:58,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:58,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:58,776 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 09:49:58,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:58,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:49:58,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:49:58,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:49:58,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:49:58,783 INFO L87 Difference]: Start difference. First operand 115 states and 157 transitions. Second operand 5 states. [2018-12-31 09:49:59,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:59,187 INFO L93 Difference]: Finished difference Result 307 states and 418 transitions. [2018-12-31 09:49:59,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:49:59,188 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-12-31 09:49:59,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:59,190 INFO L225 Difference]: With dead ends: 307 [2018-12-31 09:49:59,190 INFO L226 Difference]: Without dead ends: 198 [2018-12-31 09:49:59,192 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 09:49:59,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-12-31 09:49:59,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 124. [2018-12-31 09:49:59,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-31 09:49:59,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 166 transitions. [2018-12-31 09:49:59,228 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 166 transitions. Word has length 34 [2018-12-31 09:49:59,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:59,228 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 166 transitions. [2018-12-31 09:49:59,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:49:59,228 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 166 transitions. [2018-12-31 09:49:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:49:59,233 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:59,233 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 09:49:59,234 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:59,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:59,237 INFO L82 PathProgramCache]: Analyzing trace with hash 2067534501, now seen corresponding path program 1 times [2018-12-31 09:49:59,238 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:59,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:59,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:59,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:59,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:59,371 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 09:49:59,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:59,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:49:59,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 09:49:59,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 09:49:59,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 09:49:59,372 INFO L87 Difference]: Start difference. First operand 124 states and 166 transitions. Second operand 4 states. [2018-12-31 09:49:59,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:59,595 INFO L93 Difference]: Finished difference Result 265 states and 355 transitions. [2018-12-31 09:49:59,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 09:49:59,596 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-12-31 09:49:59,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:59,597 INFO L225 Difference]: With dead ends: 265 [2018-12-31 09:49:59,597 INFO L226 Difference]: Without dead ends: 147 [2018-12-31 09:49:59,600 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 09:49:59,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-12-31 09:49:59,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 106. [2018-12-31 09:49:59,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-12-31 09:49:59,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 139 transitions. [2018-12-31 09:49:59,623 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 139 transitions. Word has length 34 [2018-12-31 09:49:59,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:59,624 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 139 transitions. [2018-12-31 09:49:59,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 09:49:59,624 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 139 transitions. [2018-12-31 09:49:59,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:49:59,630 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:59,630 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 09:49:59,631 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:59,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:59,631 INFO L82 PathProgramCache]: Analyzing trace with hash 787670823, now seen corresponding path program 1 times [2018-12-31 09:49:59,631 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:59,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:59,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:59,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:59,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:59,761 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 09:49:59,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:59,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:49:59,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:49:59,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:49:59,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:49:59,762 INFO L87 Difference]: Start difference. First operand 106 states and 139 transitions. Second operand 5 states. [2018-12-31 09:50:00,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:00,227 INFO L93 Difference]: Finished difference Result 289 states and 390 transitions. [2018-12-31 09:50:00,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:50:00,230 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-12-31 09:50:00,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:00,232 INFO L225 Difference]: With dead ends: 289 [2018-12-31 09:50:00,232 INFO L226 Difference]: Without dead ends: 213 [2018-12-31 09:50:00,232 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:50:00,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-12-31 09:50:00,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 147. [2018-12-31 09:50:00,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-12-31 09:50:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 191 transitions. [2018-12-31 09:50:00,260 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 191 transitions. Word has length 34 [2018-12-31 09:50:00,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:00,261 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 191 transitions. [2018-12-31 09:50:00,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:50:00,261 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 191 transitions. [2018-12-31 09:50:00,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-31 09:50:00,265 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:00,265 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:50:00,266 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:00,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:00,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1437514545, now seen corresponding path program 1 times [2018-12-31 09:50:00,266 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:00,266 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:00,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:00,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:00,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:50:00,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:00,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 09:50:00,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 09:50:00,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 09:50:00,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:50:00,609 INFO L87 Difference]: Start difference. First operand 147 states and 191 transitions. Second operand 6 states. [2018-12-31 09:50:01,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:01,411 INFO L93 Difference]: Finished difference Result 621 states and 829 transitions. [2018-12-31 09:50:01,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-31 09:50:01,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-12-31 09:50:01,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:01,416 INFO L225 Difference]: With dead ends: 621 [2018-12-31 09:50:01,417 INFO L226 Difference]: Without dead ends: 504 [2018-12-31 09:50:01,417 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-12-31 09:50:01,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2018-12-31 09:50:01,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 205. [2018-12-31 09:50:01,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-12-31 09:50:01,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 270 transitions. [2018-12-31 09:50:01,450 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 270 transitions. Word has length 55 [2018-12-31 09:50:01,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:01,452 INFO L480 AbstractCegarLoop]: Abstraction has 205 states and 270 transitions. [2018-12-31 09:50:01,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 09:50:01,452 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 270 transitions. [2018-12-31 09:50:01,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-31 09:50:01,453 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:01,454 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:50:01,454 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:01,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:01,454 INFO L82 PathProgramCache]: Analyzing trace with hash -736449967, now seen corresponding path program 1 times [2018-12-31 09:50:01,454 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:01,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:01,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:01,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:01,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:01,784 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-31 09:50:01,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:01,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-31 09:50:01,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-31 09:50:01,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-31 09:50:01,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:50:01,785 INFO L87 Difference]: Start difference. First operand 205 states and 270 transitions. Second operand 7 states. [2018-12-31 09:50:02,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:02,020 INFO L93 Difference]: Finished difference Result 384 states and 507 transitions. [2018-12-31 09:50:02,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 09:50:02,021 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2018-12-31 09:50:02,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:02,022 INFO L225 Difference]: With dead ends: 384 [2018-12-31 09:50:02,022 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:50:02,023 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-12-31 09:50:02,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:50:02,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:50:02,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:50:02,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:50:02,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2018-12-31 09:50:02,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:02,024 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:50:02,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-31 09:50:02,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:50:02,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:50:02,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:50:02,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:02,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:02,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:02,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:02,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:02,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:02,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:02,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:02,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:02,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:02,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:02,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:02,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:02,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:02,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:02,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:02,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:03,280 WARN L181 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 16 [2018-12-31 09:50:04,296 WARN L181 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 27 [2018-12-31 09:50:04,484 WARN L181 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2018-12-31 09:50:04,719 WARN L181 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 26 [2018-12-31 09:50:04,829 WARN L181 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 23 [2018-12-31 09:50:05,091 WARN L181 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 24 [2018-12-31 09:50:05,545 WARN L181 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 21 [2018-12-31 09:50:05,914 WARN L181 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 14 [2018-12-31 09:50:06,285 WARN L181 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 23 [2018-12-31 09:50:06,577 WARN L181 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 24 [2018-12-31 09:50:06,643 INFO L444 ceAbstractionStarter]: At program point L498(lines 493 501) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2018-12-31 09:50:06,643 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 372) no Hoare annotation was computed. [2018-12-31 09:50:06,643 INFO L448 ceAbstractionStarter]: For program point L368-3(lines 368 372) no Hoare annotation was computed. [2018-12-31 09:50:06,644 INFO L448 ceAbstractionStarter]: For program point L368-6(lines 368 372) no Hoare annotation was computed. [2018-12-31 09:50:06,644 INFO L448 ceAbstractionStarter]: For program point L304(lines 304 308) no Hoare annotation was computed. [2018-12-31 09:50:06,644 INFO L448 ceAbstractionStarter]: For program point L304-2(lines 304 308) no Hoare annotation was computed. [2018-12-31 09:50:06,644 INFO L448 ceAbstractionStarter]: For program point L304-3(lines 304 308) no Hoare annotation was computed. [2018-12-31 09:50:06,644 INFO L448 ceAbstractionStarter]: For program point L304-5(lines 304 308) no Hoare annotation was computed. [2018-12-31 09:50:06,644 INFO L448 ceAbstractionStarter]: For program point L304-6(lines 304 308) no Hoare annotation was computed. [2018-12-31 09:50:06,644 INFO L448 ceAbstractionStarter]: For program point L304-8(lines 304 308) no Hoare annotation was computed. [2018-12-31 09:50:06,644 INFO L448 ceAbstractionStarter]: For program point L304-9(lines 304 308) no Hoare annotation was computed. [2018-12-31 09:50:06,645 INFO L448 ceAbstractionStarter]: For program point L304-11(lines 304 308) no Hoare annotation was computed. [2018-12-31 09:50:06,645 INFO L448 ceAbstractionStarter]: For program point L304-12(lines 304 308) no Hoare annotation was computed. [2018-12-31 09:50:06,645 INFO L448 ceAbstractionStarter]: For program point L304-14(lines 304 308) no Hoare annotation was computed. [2018-12-31 09:50:06,645 INFO L448 ceAbstractionStarter]: For program point L304-15(lines 304 308) no Hoare annotation was computed. [2018-12-31 09:50:06,645 INFO L448 ceAbstractionStarter]: For program point L304-17(lines 304 308) no Hoare annotation was computed. [2018-12-31 09:50:06,645 INFO L444 ceAbstractionStarter]: At program point L437(lines 432 440) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0))) (or (and .cse0 (= ULTIMATE.start_main_~tmp~7 1) (<= 2 ~waterLevel~0) .cse1 .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (and (and (= 1 ~systemActive~0) .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)) (<= 1 ~waterLevel~0)))) [2018-12-31 09:50:06,645 INFO L444 ceAbstractionStarter]: At program point L437-1(lines 432 440) the Hoare annotation is: false [2018-12-31 09:50:06,645 INFO L444 ceAbstractionStarter]: At program point L437-2(lines 432 440) the Hoare annotation is: false [2018-12-31 09:50:06,645 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-12-31 09:50:06,646 INFO L444 ceAbstractionStarter]: At program point L74-1(lines 74 80) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0))) (or (and (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) .cse0 .cse1 (= ~pumpRunning~0 0)) (<= 1 ~waterLevel~0)) (and (and (<= 2 ~waterLevel~0) (and .cse0 .cse1)) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1)))) [2018-12-31 09:50:06,646 INFO L444 ceAbstractionStarter]: At program point L405(lines 400 408) the Hoare annotation is: false [2018-12-31 09:50:06,646 INFO L444 ceAbstractionStarter]: At program point L405-1(lines 400 408) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (<= 2 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2018-12-31 09:50:06,646 INFO L444 ceAbstractionStarter]: At program point L405-2(lines 400 408) the Hoare annotation is: false [2018-12-31 09:50:06,646 INFO L444 ceAbstractionStarter]: At program point L405-3(lines 400 408) the Hoare annotation is: false [2018-12-31 09:50:06,646 INFO L444 ceAbstractionStarter]: At program point L405-4(lines 400 408) the Hoare annotation is: false [2018-12-31 09:50:06,646 INFO L444 ceAbstractionStarter]: At program point L405-5(lines 400 408) the Hoare annotation is: false [2018-12-31 09:50:06,646 INFO L448 ceAbstractionStarter]: For program point L969(line 969) no Hoare annotation was computed. [2018-12-31 09:50:06,647 INFO L448 ceAbstractionStarter]: For program point L969-1(line 969) no Hoare annotation was computed. [2018-12-31 09:50:06,647 INFO L448 ceAbstractionStarter]: For program point L969-2(line 969) no Hoare annotation was computed. [2018-12-31 09:50:06,647 INFO L444 ceAbstractionStarter]: At program point L310(lines 295 313) the Hoare annotation is: false [2018-12-31 09:50:06,647 INFO L444 ceAbstractionStarter]: At program point L310-1(lines 295 313) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) (and (= 1 ~systemActive~0) .cse0 .cse1 .cse2 .cse3)) (and (and (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2 .cse3) (<= 1 ~waterLevel~0)) (= ULTIMATE.start_main_~tmp~7 1)))) [2018-12-31 09:50:06,647 INFO L444 ceAbstractionStarter]: At program point L310-2(lines 295 313) the Hoare annotation is: false [2018-12-31 09:50:06,647 INFO L444 ceAbstractionStarter]: At program point L310-3(lines 295 313) the Hoare annotation is: false [2018-12-31 09:50:06,647 INFO L444 ceAbstractionStarter]: At program point L310-4(lines 295 313) the Hoare annotation is: false [2018-12-31 09:50:06,647 INFO L444 ceAbstractionStarter]: At program point L310-5(lines 295 313) the Hoare annotation is: false [2018-12-31 09:50:06,647 INFO L448 ceAbstractionStarter]: For program point L344(lines 344 357) no Hoare annotation was computed. [2018-12-31 09:50:06,648 INFO L444 ceAbstractionStarter]: At program point L344-1(lines 1 972) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0))) (or (and (= |ULTIMATE.start_valid_product_#res| 1) (<= 2 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~7 1) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse0 .cse1 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (and (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) .cse0 .cse1 (= ~pumpRunning~0 0)) (<= 1 ~waterLevel~0)))) [2018-12-31 09:50:06,648 INFO L448 ceAbstractionStarter]: For program point L344-2(lines 344 357) no Hoare annotation was computed. [2018-12-31 09:50:06,648 INFO L444 ceAbstractionStarter]: At program point L344-3(lines 1 972) the Hoare annotation is: false [2018-12-31 09:50:06,648 INFO L448 ceAbstractionStarter]: For program point L344-4(lines 344 357) no Hoare annotation was computed. [2018-12-31 09:50:06,648 INFO L444 ceAbstractionStarter]: At program point L344-5(lines 1 972) the Hoare annotation is: false [2018-12-31 09:50:06,648 INFO L444 ceAbstractionStarter]: At program point L246(lines 239 249) the Hoare annotation is: false [2018-12-31 09:50:06,648 INFO L444 ceAbstractionStarter]: At program point L246-1(lines 239 249) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (<= 2 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2018-12-31 09:50:06,649 INFO L444 ceAbstractionStarter]: At program point L246-2(lines 239 249) the Hoare annotation is: false [2018-12-31 09:50:06,649 INFO L444 ceAbstractionStarter]: At program point L246-3(lines 239 249) the Hoare annotation is: false [2018-12-31 09:50:06,649 INFO L444 ceAbstractionStarter]: At program point L246-4(lines 239 249) the Hoare annotation is: false [2018-12-31 09:50:06,649 INFO L444 ceAbstractionStarter]: At program point L246-5(lines 239 249) the Hoare annotation is: false [2018-12-31 09:50:06,649 INFO L448 ceAbstractionStarter]: For program point L445(lines 445 451) no Hoare annotation was computed. [2018-12-31 09:50:06,649 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 445 451) no Hoare annotation was computed. [2018-12-31 09:50:06,649 INFO L448 ceAbstractionStarter]: For program point L445-2(lines 445 451) no Hoare annotation was computed. [2018-12-31 09:50:06,649 INFO L448 ceAbstractionStarter]: For program point L445-3(lines 445 451) no Hoare annotation was computed. [2018-12-31 09:50:06,649 INFO L448 ceAbstractionStarter]: For program point L445-4(lines 445 451) no Hoare annotation was computed. [2018-12-31 09:50:06,649 INFO L448 ceAbstractionStarter]: For program point L445-5(lines 445 451) no Hoare annotation was computed. [2018-12-31 09:50:06,649 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 384) no Hoare annotation was computed. [2018-12-31 09:50:06,650 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2018-12-31 09:50:06,650 INFO L448 ceAbstractionStarter]: For program point L348-2(lines 348 354) no Hoare annotation was computed. [2018-12-31 09:50:06,650 INFO L448 ceAbstractionStarter]: For program point L348-4(lines 348 354) no Hoare annotation was computed. [2018-12-31 09:50:06,650 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 95) no Hoare annotation was computed. [2018-12-31 09:50:06,650 INFO L444 ceAbstractionStarter]: At program point L514-2(lines 514 528) the Hoare annotation is: false [2018-12-31 09:50:06,650 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 201) no Hoare annotation was computed. [2018-12-31 09:50:06,650 INFO L448 ceAbstractionStarter]: For program point L184-1(lines 184 201) no Hoare annotation was computed. [2018-12-31 09:50:06,650 INFO L448 ceAbstractionStarter]: For program point L184-2(lines 184 201) no Hoare annotation was computed. [2018-12-31 09:50:06,650 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-31 09:50:06,650 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:50:06,650 INFO L444 ceAbstractionStarter]: At program point L450(lines 441 454) the Hoare annotation is: false [2018-12-31 09:50:06,651 INFO L444 ceAbstractionStarter]: At program point L450-1(lines 441 454) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) (and .cse0 .cse1 .cse2 .cse3 .cse4)) (and (and .cse0 .cse1 .cse2 (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse3 .cse4) (<= 1 ~waterLevel~0)))) [2018-12-31 09:50:06,651 INFO L444 ceAbstractionStarter]: At program point L450-2(lines 441 454) the Hoare annotation is: false [2018-12-31 09:50:06,651 INFO L444 ceAbstractionStarter]: At program point L450-3(lines 441 454) the Hoare annotation is: false [2018-12-31 09:50:06,651 INFO L444 ceAbstractionStarter]: At program point L450-4(lines 441 454) the Hoare annotation is: false [2018-12-31 09:50:06,651 INFO L444 ceAbstractionStarter]: At program point L450-5(lines 441 454) the Hoare annotation is: false [2018-12-31 09:50:06,651 INFO L448 ceAbstractionStarter]: For program point L55(lines 54 99) no Hoare annotation was computed. [2018-12-31 09:50:06,651 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 522) no Hoare annotation was computed. [2018-12-31 09:50:06,651 INFO L448 ceAbstractionStarter]: For program point L518-1(lines 126 132) no Hoare annotation was computed. [2018-12-31 09:50:06,651 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2018-12-31 09:50:06,651 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 196) no Hoare annotation was computed. [2018-12-31 09:50:06,652 INFO L448 ceAbstractionStarter]: For program point L221-2(lines 221 227) no Hoare annotation was computed. [2018-12-31 09:50:06,652 INFO L448 ceAbstractionStarter]: For program point L188-1(lines 188 196) no Hoare annotation was computed. [2018-12-31 09:50:06,652 INFO L448 ceAbstractionStarter]: For program point L188-2(lines 188 196) no Hoare annotation was computed. [2018-12-31 09:50:06,652 INFO L448 ceAbstractionStarter]: For program point L221-4(lines 221 227) no Hoare annotation was computed. [2018-12-31 09:50:06,652 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-31 09:50:06,652 INFO L448 ceAbstractionStarter]: For program point L221-6(lines 221 227) no Hoare annotation was computed. [2018-12-31 09:50:06,652 INFO L448 ceAbstractionStarter]: For program point L221-8(lines 221 227) no Hoare annotation was computed. [2018-12-31 09:50:06,652 INFO L448 ceAbstractionStarter]: For program point L221-10(lines 221 227) no Hoare annotation was computed. [2018-12-31 09:50:06,652 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 592) no Hoare annotation was computed. [2018-12-31 09:50:06,652 INFO L451 ceAbstractionStarter]: At program point L585-1(lines 585 592) the Hoare annotation is: true [2018-12-31 09:50:06,653 INFO L444 ceAbstractionStarter]: At program point L255(lines 250 258) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~7 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2018-12-31 09:50:06,653 INFO L444 ceAbstractionStarter]: At program point L255-1(lines 250 258) the Hoare annotation is: false [2018-12-31 09:50:06,653 INFO L444 ceAbstractionStarter]: At program point L255-2(lines 250 258) the Hoare annotation is: false [2018-12-31 09:50:06,653 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-12-31 09:50:06,653 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 126 132) no Hoare annotation was computed. [2018-12-31 09:50:06,653 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:50:06,653 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 327) no Hoare annotation was computed. [2018-12-31 09:50:06,653 INFO L448 ceAbstractionStarter]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2018-12-31 09:50:06,653 INFO L448 ceAbstractionStarter]: For program point L323-3(lines 323 327) no Hoare annotation was computed. [2018-12-31 09:50:06,653 INFO L448 ceAbstractionStarter]: For program point L158(lines 158 175) no Hoare annotation was computed. [2018-12-31 09:50:06,653 INFO L448 ceAbstractionStarter]: For program point L323-5(lines 323 327) no Hoare annotation was computed. [2018-12-31 09:50:06,654 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 158 175) no Hoare annotation was computed. [2018-12-31 09:50:06,654 INFO L448 ceAbstractionStarter]: For program point L323-6(lines 323 327) no Hoare annotation was computed. [2018-12-31 09:50:06,654 INFO L448 ceAbstractionStarter]: For program point L158-2(lines 158 175) no Hoare annotation was computed. [2018-12-31 09:50:06,654 INFO L448 ceAbstractionStarter]: For program point L158-3(lines 158 175) no Hoare annotation was computed. [2018-12-31 09:50:06,654 INFO L448 ceAbstractionStarter]: For program point L323-8(lines 323 327) no Hoare annotation was computed. [2018-12-31 09:50:06,654 INFO L448 ceAbstractionStarter]: For program point L158-4(lines 158 175) no Hoare annotation was computed. [2018-12-31 09:50:06,654 INFO L448 ceAbstractionStarter]: For program point L158-5(lines 158 175) no Hoare annotation was computed. [2018-12-31 09:50:06,654 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2018-12-31 09:50:06,654 INFO L444 ceAbstractionStarter]: At program point L126(lines 125 144) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 1 ~waterLevel~0)) [2018-12-31 09:50:06,654 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 126 132) no Hoare annotation was computed. [2018-12-31 09:50:06,655 INFO L444 ceAbstractionStarter]: At program point L126-2(lines 125 144) the Hoare annotation is: false [2018-12-31 09:50:06,655 INFO L444 ceAbstractionStarter]: At program point L126-3(lines 125 144) the Hoare annotation is: false [2018-12-31 09:50:06,655 INFO L444 ceAbstractionStarter]: At program point L490(lines 1 972) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2018-12-31 09:50:06,655 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2018-12-31 09:50:06,655 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:50:06,655 INFO L448 ceAbstractionStarter]: For program point L392(lines 392 396) no Hoare annotation was computed. [2018-12-31 09:50:06,655 INFO L448 ceAbstractionStarter]: For program point L162(lines 162 170) no Hoare annotation was computed. [2018-12-31 09:50:06,655 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 162 170) no Hoare annotation was computed. [2018-12-31 09:50:06,655 INFO L448 ceAbstractionStarter]: For program point L162-2(lines 162 170) no Hoare annotation was computed. [2018-12-31 09:50:06,655 INFO L448 ceAbstractionStarter]: For program point L162-3(lines 162 170) no Hoare annotation was computed. [2018-12-31 09:50:06,656 INFO L448 ceAbstractionStarter]: For program point L162-4(lines 162 170) no Hoare annotation was computed. [2018-12-31 09:50:06,656 INFO L448 ceAbstractionStarter]: For program point L162-5(lines 162 170) no Hoare annotation was computed. [2018-12-31 09:50:06,656 INFO L444 ceAbstractionStarter]: At program point L460(lines 455 463) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 1 ~waterLevel~0)) [2018-12-31 09:50:06,656 INFO L444 ceAbstractionStarter]: At program point L460-1(lines 455 463) the Hoare annotation is: false [2018-12-31 09:50:06,656 INFO L444 ceAbstractionStarter]: At program point L460-2(lines 455 463) the Hoare annotation is: false [2018-12-31 09:50:06,656 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 70) no Hoare annotation was computed. [2018-12-31 09:50:06,656 INFO L444 ceAbstractionStarter]: At program point L64-1(lines 64 70) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0))) (or (and (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) .cse0 .cse1 (= ~pumpRunning~0 0)) (<= 1 ~waterLevel~0)) (and (and (<= 2 ~waterLevel~0) (and .cse0 .cse1)) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1)))) [2018-12-31 09:50:06,657 INFO L444 ceAbstractionStarter]: At program point L329(lines 314 332) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|)) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= 1 ~waterLevel~0)) [2018-12-31 09:50:06,657 INFO L444 ceAbstractionStarter]: At program point L329-1(lines 314 332) the Hoare annotation is: false [2018-12-31 09:50:06,657 INFO L444 ceAbstractionStarter]: At program point L329-2(lines 314 332) the Hoare annotation is: false [2018-12-31 09:50:06,657 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:50:06,657 INFO L451 ceAbstractionStarter]: At program point L594(lines 575 597) the Hoare annotation is: true [2018-12-31 09:50:06,657 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2018-12-31 09:50:06,657 INFO L444 ceAbstractionStarter]: At program point L562(lines 558 564) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 1) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2018-12-31 09:50:06,657 INFO L444 ceAbstractionStarter]: At program point L133(lines 133 139) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0))) (or (and (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 0)) (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (and .cse0 .cse1 .cse2 .cse3)))) [2018-12-31 09:50:06,657 INFO L444 ceAbstractionStarter]: At program point L100(lines 53 101) the Hoare annotation is: false [2018-12-31 09:50:06,658 INFO L444 ceAbstractionStarter]: At program point L133-1(lines 133 139) the Hoare annotation is: false [2018-12-31 09:50:06,658 INFO L444 ceAbstractionStarter]: At program point L133-2(lines 133 139) the Hoare annotation is: false [2018-12-31 09:50:06,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:50:06 BoogieIcfgContainer [2018-12-31 09:50:06,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:50:06,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:50:06,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:50:06,691 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:50:06,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:55" (3/4) ... [2018-12-31 09:50:06,695 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:50:06,721 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:50:06,723 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-31 09:50:06,728 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 09:50:06,729 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 09:50:06,734 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:50:06,735 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:50:06,782 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2018-12-31 09:50:06,783 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && tmp == 1) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2018-12-31 09:50:06,783 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 2 <= waterLevel) && tmp == 1) && 2 <= tmp) && splverifierCounter == 0) && \result == systemActive) && 2 <= \result) || (((((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && 1 <= waterLevel) [2018-12-31 09:50:06,784 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && 1 <= waterLevel) || (((2 <= waterLevel && splverifierCounter == 0 && \result == systemActive) && \result == 1) && tmp == 1) [2018-12-31 09:50:06,785 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && 1 <= waterLevel) || (((2 <= waterLevel && splverifierCounter == 0 && \result == systemActive) && \result == 1) && tmp == 1) [2018-12-31 09:50:06,785 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && 1 <= waterLevel [2018-12-31 09:50:06,788 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && 1 <= waterLevel) || (2 <= waterLevel && ((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) [2018-12-31 09:50:06,789 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == systemActive && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == systemActive) && 2 <= \result) || (((((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && 1 <= waterLevel) [2018-12-31 09:50:06,792 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && 0 == \result) && splverifierCounter == 0) && \result == systemActive) && 1 <= waterLevel [2018-12-31 09:50:06,793 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (2 <= waterLevel && (((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) || ((((((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 1 <= waterLevel) [2018-12-31 09:50:06,795 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == systemActive && 0 == \result) && tmp == 1) && splverifierCounter == 0) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0 [2018-12-31 09:50:06,796 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && tmp == systemActive) && !(0 == \result)) && 0 == \result) && splverifierCounter == 0) && !(0 == tmp___0)) && 0 == tmp) && \result == systemActive) && 1 <= waterLevel [2018-12-31 09:50:06,798 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (2 <= waterLevel && (((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) || (((((((0 == \result && tmp == systemActive) && 0 == tmp___0) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && tmp == 1) [2018-12-31 09:50:06,800 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0 [2018-12-31 09:50:06,802 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0 [2018-12-31 09:50:06,922 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:50:06,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:50:06,923 INFO L168 Benchmark]: Toolchain (without parser) took 14114.16 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 295.2 MB). Free memory was 942.0 MB in the beginning and 1.2 GB in the end (delta: -274.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-12-31 09:50:06,925 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:50:06,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 861.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. [2018-12-31 09:50:06,925 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.66 ms. Allocated memory is still 1.1 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 09:50:06,929 INFO L168 Benchmark]: Boogie Preprocessor took 71.72 ms. Allocated memory is still 1.1 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 09:50:06,929 INFO L168 Benchmark]: RCFGBuilder took 1639.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2018-12-31 09:50:06,930 INFO L168 Benchmark]: TraceAbstraction took 11197.74 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 182.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -205.0 MB). Peak memory consumption was 347.4 MB. Max. memory is 11.5 GB. [2018-12-31 09:50:06,930 INFO L168 Benchmark]: Witness Printer took 231.79 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-12-31 09:50:06,935 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 861.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 105.66 ms. Allocated memory is still 1.1 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 71.72 ms. Allocated memory is still 1.1 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 1639.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11197.74 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 182.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -205.0 MB). Peak memory consumption was 347.4 MB. Max. memory is 11.5 GB. * Witness Printer took 231.79 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 969]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 969]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 969]: 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: 455]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && 0 == \result) && splverifierCounter == 0) && \result == systemActive) && 1 <= waterLevel - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (2 <= waterLevel && (((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) || (((((((0 == \result && tmp == systemActive) && 0 == tmp___0) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && tmp == 1) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: (((((tmp == systemActive && 0 == \result) && tmp == 1) && splverifierCounter == 0) && \result == systemActive) && 1 <= waterLevel) && pumpRunning == 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && tmp == systemActive) && !(0 == \result)) && 0 == \result) && splverifierCounter == 0) && !(0 == tmp___0)) && 0 == tmp) && \result == systemActive) && 1 <= waterLevel - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 2 <= waterLevel) && tmp == 1) && 2 <= tmp) && splverifierCounter == 0) && \result == systemActive) && 2 <= \result) || (((((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && 1 <= waterLevel) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (2 <= waterLevel && (((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) || ((((((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 1 <= waterLevel) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: (((((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && 1 <= waterLevel) || (((2 <= waterLevel && splverifierCounter == 0 && \result == systemActive) && \result == 1) && tmp == 1) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: (((((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && 1 <= waterLevel) || (2 <= waterLevel && ((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && 1 <= waterLevel - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((((tmp == systemActive && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == systemActive) && 2 <= \result) || (((((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && 1 <= waterLevel) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0) && 1 <= waterLevel) || (((2 <= waterLevel && splverifierCounter == 0 && \result == systemActive) && \result == 1) && tmp == 1) - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((1 == systemActive && tmp == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: (((tmp == systemActive && tmp == 1) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. SAFE Result, 11.0s OverallTime, 11 OverallIterations, 2 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 4.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1197 SDtfs, 1781 SDslu, 1855 SDs, 0 SdLazy, 279 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=205occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 684 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 128 NumberOfFragments, 499 HoareAnnotationTreeSize, 54 FomulaSimplifications, 116674 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 54 FomulaSimplificationsInter, 58143 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 341 ConstructedInterpolants, 0 QuantifiedInterpolants, 21704 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...