./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec5_product38_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec5_product38_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 023bd19a3cee0a73a15679923c85e228e629b6a0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 14:55:26,734 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 14:55:26,736 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 14:55:26,748 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 14:55:26,748 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 14:55:26,749 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 14:55:26,751 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 14:55:26,754 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 14:55:26,756 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 14:55:26,757 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 14:55:26,758 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 14:55:26,758 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 14:55:26,759 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 14:55:26,760 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 14:55:26,762 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 14:55:26,763 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 14:55:26,763 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 14:55:26,766 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 14:55:26,768 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 14:55:26,770 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 14:55:26,771 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 14:55:26,773 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 14:55:26,776 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 14:55:26,776 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 14:55:26,776 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 14:55:26,777 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 14:55:26,779 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 14:55:26,780 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 14:55:26,781 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 14:55:26,782 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 14:55:26,783 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 14:55:26,783 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 14:55:26,784 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 14:55:26,784 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 14:55:26,785 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 14:55:26,786 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 14:55:26,786 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 14:55:26,803 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 14:55:26,803 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 14:55:26,805 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 14:55:26,805 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 14:55:26,805 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 14:55:26,805 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 14:55:26,805 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 14:55:26,806 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 14:55:26,806 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 14:55:26,806 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 14:55:26,806 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 14:55:26,806 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 14:55:26,806 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 14:55:26,807 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 14:55:26,807 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 14:55:26,807 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 14:55:26,807 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 14:55:26,807 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 14:55:26,807 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 14:55:26,808 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 14:55:26,808 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 14:55:26,808 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:55:26,808 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 14:55:26,808 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 14:55:26,809 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 14:55:26,809 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 14:55:26,809 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 14:55:26,809 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 14:55:26,809 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 -> 023bd19a3cee0a73a15679923c85e228e629b6a0 [2019-01-12 14:55:26,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 14:55:26,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 14:55:26,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 14:55:26,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 14:55:26,901 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 14:55:26,903 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec5_product38_true-unreach-call_false-termination.cil.c [2019-01-12 14:55:26,960 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a62a42d37/3473656ba6e440648c91763010551133/FLAGac33998b1 [2019-01-12 14:55:27,451 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 14:55:27,452 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec5_product38_true-unreach-call_false-termination.cil.c [2019-01-12 14:55:27,463 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a62a42d37/3473656ba6e440648c91763010551133/FLAGac33998b1 [2019-01-12 14:55:27,767 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a62a42d37/3473656ba6e440648c91763010551133 [2019-01-12 14:55:27,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 14:55:27,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 14:55:27,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 14:55:27,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 14:55:27,778 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 14:55:27,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:55:27" (1/1) ... [2019-01-12 14:55:27,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4030460c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:27, skipping insertion in model container [2019-01-12 14:55:27,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:55:27" (1/1) ... [2019-01-12 14:55:27,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 14:55:27,842 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 14:55:28,235 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:55:28,258 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 14:55:28,406 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:55:28,444 INFO L195 MainTranslator]: Completed translation [2019-01-12 14:55:28,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:28 WrapperNode [2019-01-12 14:55:28,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 14:55:28,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 14:55:28,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 14:55:28,446 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 14:55:28,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:28" (1/1) ... [2019-01-12 14:55:28,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:28" (1/1) ... [2019-01-12 14:55:28,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 14:55:28,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 14:55:28,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 14:55:28,571 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 14:55:28,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:28" (1/1) ... [2019-01-12 14:55:28,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:28" (1/1) ... [2019-01-12 14:55:28,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:28" (1/1) ... [2019-01-12 14:55:28,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:28" (1/1) ... [2019-01-12 14:55:28,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:28" (1/1) ... [2019-01-12 14:55:28,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:28" (1/1) ... [2019-01-12 14:55:28,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:28" (1/1) ... [2019-01-12 14:55:28,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 14:55:28,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 14:55:28,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 14:55:28,660 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 14:55:28,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:28" (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 [2019-01-12 14:55:28,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 14:55:28,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-12 14:55:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 14:55:28,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 14:55:30,189 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 14:55:30,190 INFO L286 CfgBuilder]: Removed 172 assue(true) statements. [2019-01-12 14:55:30,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:55:30 BoogieIcfgContainer [2019-01-12 14:55:30,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 14:55:30,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 14:55:30,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 14:55:30,197 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 14:55:30,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 02:55:27" (1/3) ... [2019-01-12 14:55:30,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef9dbb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:55:30, skipping insertion in model container [2019-01-12 14:55:30,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:55:28" (2/3) ... [2019-01-12 14:55:30,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef9dbb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:55:30, skipping insertion in model container [2019-01-12 14:55:30,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:55:30" (3/3) ... [2019-01-12 14:55:30,201 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38_true-unreach-call_false-termination.cil.c [2019-01-12 14:55:30,211 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 14:55:30,219 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 14:55:30,237 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 14:55:30,273 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 14:55:30,274 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 14:55:30,274 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 14:55:30,274 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 14:55:30,275 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 14:55:30,275 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 14:55:30,275 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 14:55:30,275 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 14:55:30,275 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 14:55:30,295 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2019-01-12 14:55:30,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-12 14:55:30,303 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:30,305 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:55:30,307 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:30,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:30,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1109177434, now seen corresponding path program 1 times [2019-01-12 14:55:30,317 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:30,318 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:30,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:30,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:30,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:30,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:55:30,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:55:30,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:55:30,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 14:55:30,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 14:55:30,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:55:30,620 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2019-01-12 14:55:30,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:30,664 INFO L93 Difference]: Finished difference Result 233 states and 352 transitions. [2019-01-12 14:55:30,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 14:55:30,666 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-01-12 14:55:30,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:30,686 INFO L225 Difference]: With dead ends: 233 [2019-01-12 14:55:30,686 INFO L226 Difference]: Without dead ends: 116 [2019-01-12 14:55:30,691 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 [2019-01-12 14:55:30,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-01-12 14:55:30,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-01-12 14:55:30,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-01-12 14:55:30,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2019-01-12 14:55:30,750 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 19 [2019-01-12 14:55:30,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:30,751 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2019-01-12 14:55:30,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 14:55:30,751 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2019-01-12 14:55:30,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-12 14:55:30,755 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:30,755 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] [2019-01-12 14:55:30,756 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:30,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:30,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1379770309, now seen corresponding path program 1 times [2019-01-12 14:55:30,757 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:30,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:30,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:30,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:30,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:30,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:55:30,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:55:30,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 14:55:30,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:55:30,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:55:30,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:55:30,956 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand 3 states. [2019-01-12 14:55:30,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:30,981 INFO L93 Difference]: Finished difference Result 116 states and 168 transitions. [2019-01-12 14:55:30,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:55:30,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-01-12 14:55:30,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:30,983 INFO L225 Difference]: With dead ends: 116 [2019-01-12 14:55:30,983 INFO L226 Difference]: Without dead ends: 49 [2019-01-12 14:55:30,985 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 [2019-01-12 14:55:30,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-01-12 14:55:30,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-01-12 14:55:30,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-01-12 14:55:30,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2019-01-12 14:55:30,993 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 20 [2019-01-12 14:55:30,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:30,994 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2019-01-12 14:55:30,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:55:30,994 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2019-01-12 14:55:30,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-01-12 14:55:30,996 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:30,996 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:55:30,997 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:30,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:30,997 INFO L82 PathProgramCache]: Analyzing trace with hash 872222713, now seen corresponding path program 1 times [2019-01-12 14:55:30,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:30,998 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:30,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:31,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:31,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:31,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:55:31,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:55:31,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:55:31,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:55:31,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:55:31,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:55:31,175 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 5 states. [2019-01-12 14:55:31,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:31,268 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2019-01-12 14:55:31,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 14:55:31,271 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-01-12 14:55:31,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:31,272 INFO L225 Difference]: With dead ends: 91 [2019-01-12 14:55:31,272 INFO L226 Difference]: Without dead ends: 49 [2019-01-12 14:55:31,273 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 14:55:31,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-01-12 14:55:31,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-01-12 14:55:31,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-01-12 14:55:31,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2019-01-12 14:55:31,281 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 26 [2019-01-12 14:55:31,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:31,282 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2019-01-12 14:55:31,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:55:31,282 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2019-01-12 14:55:31,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-12 14:55:31,283 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:31,283 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] [2019-01-12 14:55:31,284 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:31,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:31,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1991893424, now seen corresponding path program 1 times [2019-01-12 14:55:31,284 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:31,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:31,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:31,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:31,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:31,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:55:31,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:55:31,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:55:31,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:55:31,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:55:31,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:55:31,435 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand 3 states. [2019-01-12 14:55:31,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:31,632 INFO L93 Difference]: Finished difference Result 115 states and 165 transitions. [2019-01-12 14:55:31,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:55:31,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-01-12 14:55:31,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:31,634 INFO L225 Difference]: With dead ends: 115 [2019-01-12 14:55:31,634 INFO L226 Difference]: Without dead ends: 73 [2019-01-12 14:55:31,635 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 [2019-01-12 14:55:31,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-01-12 14:55:31,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2019-01-12 14:55:31,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-01-12 14:55:31,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-01-12 14:55:31,647 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 28 [2019-01-12 14:55:31,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:31,648 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-01-12 14:55:31,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:55:31,648 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-01-12 14:55:31,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-01-12 14:55:31,649 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:31,649 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] [2019-01-12 14:55:31,650 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:31,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:31,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1071015423, now seen corresponding path program 1 times [2019-01-12 14:55:31,650 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:31,650 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:31,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:31,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:31,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:55:31,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:55:31,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:55:31,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:55:31,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:55:31,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:55:31,779 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 5 states. [2019-01-12 14:55:31,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:31,975 INFO L93 Difference]: Finished difference Result 190 states and 264 transitions. [2019-01-12 14:55:31,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 14:55:31,975 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-01-12 14:55:31,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:31,977 INFO L225 Difference]: With dead ends: 190 [2019-01-12 14:55:31,977 INFO L226 Difference]: Without dead ends: 126 [2019-01-12 14:55:31,978 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 14:55:31,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-01-12 14:55:31,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 77. [2019-01-12 14:55:31,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-01-12 14:55:31,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2019-01-12 14:55:31,990 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 34 [2019-01-12 14:55:31,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:31,991 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2019-01-12 14:55:31,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:55:31,991 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2019-01-12 14:55:31,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-01-12 14:55:31,992 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:31,992 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] [2019-01-12 14:55:31,993 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:31,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:31,993 INFO L82 PathProgramCache]: Analyzing trace with hash 2004479132, now seen corresponding path program 1 times [2019-01-12 14:55:31,993 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:31,994 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:31,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:31,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:31,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:32,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:55:32,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:55:32,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 14:55:32,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:55:32,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:55:32,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:55:32,136 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand 5 states. [2019-01-12 14:55:33,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:33,027 INFO L93 Difference]: Finished difference Result 260 states and 358 transitions. [2019-01-12 14:55:33,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-12 14:55:33,028 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-01-12 14:55:33,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:33,030 INFO L225 Difference]: With dead ends: 260 [2019-01-12 14:55:33,030 INFO L226 Difference]: Without dead ends: 190 [2019-01-12 14:55:33,032 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-12 14:55:33,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-01-12 14:55:33,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2019-01-12 14:55:33,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-01-12 14:55:33,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2019-01-12 14:55:33,051 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 34 [2019-01-12 14:55:33,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:33,052 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2019-01-12 14:55:33,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:55:33,052 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2019-01-12 14:55:33,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-01-12 14:55:33,055 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:33,055 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] [2019-01-12 14:55:33,055 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:33,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:33,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1772080001, now seen corresponding path program 1 times [2019-01-12 14:55:33,057 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:33,057 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:33,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:33,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:33,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:55:33,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:55:33,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 14:55:33,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 14:55:33,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 14:55:33,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-12 14:55:33,235 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand 4 states. [2019-01-12 14:55:33,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:33,631 INFO L93 Difference]: Finished difference Result 177 states and 238 transitions. [2019-01-12 14:55:33,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 14:55:33,632 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-01-12 14:55:33,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:33,633 INFO L225 Difference]: With dead ends: 177 [2019-01-12 14:55:33,634 INFO L226 Difference]: Without dead ends: 108 [2019-01-12 14:55:33,634 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:55:33,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-01-12 14:55:33,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 80. [2019-01-12 14:55:33,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-01-12 14:55:33,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2019-01-12 14:55:33,649 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 34 [2019-01-12 14:55:33,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:33,649 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2019-01-12 14:55:33,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 14:55:33,651 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2019-01-12 14:55:33,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-01-12 14:55:33,653 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:33,653 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] [2019-01-12 14:55:33,653 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:33,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:33,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1185273987, now seen corresponding path program 1 times [2019-01-12 14:55:33,654 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:33,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:33,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:33,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:33,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:33,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:55:33,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:55:33,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:55:33,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:55:33,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:55:33,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:55:33,804 INFO L87 Difference]: Start difference. First operand 80 states and 106 transitions. Second operand 3 states. [2019-01-12 14:55:33,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:33,990 INFO L93 Difference]: Finished difference Result 181 states and 241 transitions. [2019-01-12 14:55:33,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:55:33,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-01-12 14:55:33,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:33,992 INFO L225 Difference]: With dead ends: 181 [2019-01-12 14:55:33,992 INFO L226 Difference]: Without dead ends: 108 [2019-01-12 14:55:33,995 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:55:33,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-01-12 14:55:34,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-01-12 14:55:34,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-01-12 14:55:34,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2019-01-12 14:55:34,024 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 34 [2019-01-12 14:55:34,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:34,027 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2019-01-12 14:55:34,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:55:34,028 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2019-01-12 14:55:34,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-01-12 14:55:34,029 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:34,029 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:55:34,034 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:34,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:34,034 INFO L82 PathProgramCache]: Analyzing trace with hash -210672189, now seen corresponding path program 1 times [2019-01-12 14:55:34,034 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:34,034 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:34,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:34,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:34,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:34,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:55:34,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:55:34,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-12 14:55:34,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 14:55:34,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 14:55:34,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-12 14:55:34,498 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand 6 states. [2019-01-12 14:55:35,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:35,605 INFO L93 Difference]: Finished difference Result 405 states and 539 transitions. [2019-01-12 14:55:35,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-12 14:55:35,607 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-01-12 14:55:35,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:35,610 INFO L225 Difference]: With dead ends: 405 [2019-01-12 14:55:35,610 INFO L226 Difference]: Without dead ends: 332 [2019-01-12 14:55:35,611 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-01-12 14:55:35,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2019-01-12 14:55:35,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 153. [2019-01-12 14:55:35,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-01-12 14:55:35,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 196 transitions. [2019-01-12 14:55:35,660 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 196 transitions. Word has length 35 [2019-01-12 14:55:35,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:35,661 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 196 transitions. [2019-01-12 14:55:35,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 14:55:35,661 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 196 transitions. [2019-01-12 14:55:35,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-01-12 14:55:35,670 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:55:35,670 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:55:35,670 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:55:35,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:55:35,672 INFO L82 PathProgramCache]: Analyzing trace with hash 681323361, now seen corresponding path program 1 times [2019-01-12 14:55:35,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:55:35,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:55:35,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:35,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:35,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:55:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:35,957 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:55:35,958 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-12 14:55:35,958 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-12 14:55:36,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:55:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:55:36,175 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 14:55:36,492 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:55:36,522 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-12 14:55:36,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-01-12 14:55:36,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-12 14:55:36,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-12 14:55:36,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-01-12 14:55:36,524 INFO L87 Difference]: Start difference. First operand 153 states and 196 transitions. Second operand 8 states. [2019-01-12 14:55:37,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:55:37,315 INFO L93 Difference]: Finished difference Result 308 states and 411 transitions. [2019-01-12 14:55:37,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-12 14:55:37,317 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-01-12 14:55:37,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:55:37,317 INFO L225 Difference]: With dead ends: 308 [2019-01-12 14:55:37,317 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 14:55:37,318 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-01-12 14:55:37,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 14:55:37,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 14:55:37,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 14:55:37,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 14:55:37,321 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-01-12 14:55:37,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:55:37,321 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 14:55:37,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-12 14:55:37,321 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 14:55:37,321 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 14:55:37,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 14:55:37,442 WARN L181 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2019-01-12 14:55:37,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:37,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:37,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:37,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:37,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:37,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:55:40,196 WARN L181 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2019-01-12 14:55:40,426 WARN L181 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 12 [2019-01-12 14:55:40,711 WARN L181 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2019-01-12 14:55:40,986 WARN L181 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2019-01-12 14:55:41,128 WARN L181 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2019-01-12 14:55:41,384 WARN L181 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 30 [2019-01-12 14:55:41,735 WARN L181 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2019-01-12 14:55:42,148 WARN L181 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2019-01-12 14:55:42,312 WARN L181 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 27 [2019-01-12 14:55:42,621 WARN L181 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2019-01-12 14:55:43,418 WARN L181 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 22 [2019-01-12 14:55:43,675 WARN L181 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2019-01-12 14:55:43,897 WARN L181 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2019-01-12 14:55:43,969 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 933) no Hoare annotation was computed. [2019-01-12 14:55:43,970 INFO L444 ceAbstractionStarter]: At program point L927-1(lines 927 933) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse0 (<= ~waterLevel~0 2)) (.cse5 (= 1 ~pumpRunning~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ULTIMATE.start_main_~tmp~0 1))) (or (and .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4)) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse0 .cse5 .cse3 .cse4) (and .cse1 .cse2 .cse0 (= ~switchedOnBeforeTS~0 1) .cse5 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse4))) [2019-01-12 14:55:43,970 INFO L444 ceAbstractionStarter]: At program point L664(lines 655 668) the Hoare annotation is: false [2019-01-12 14:55:43,970 INFO L444 ceAbstractionStarter]: At program point L664-1(lines 655 668) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ULTIMATE.start_main_~tmp~0 1))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse3 .cse4 .cse5))) [2019-01-12 14:55:43,970 INFO L444 ceAbstractionStarter]: At program point L664-2(lines 655 668) the Hoare annotation is: false [2019-01-12 14:55:43,970 INFO L444 ceAbstractionStarter]: At program point L664-3(lines 655 668) the Hoare annotation is: false [2019-01-12 14:55:43,970 INFO L444 ceAbstractionStarter]: At program point L664-4(lines 655 668) the Hoare annotation is: false [2019-01-12 14:55:43,971 INFO L444 ceAbstractionStarter]: At program point L664-5(lines 655 668) the Hoare annotation is: false [2019-01-12 14:55:43,973 INFO L444 ceAbstractionStarter]: At program point L173(lines 683 689) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ULTIMATE.start_main_~tmp~0 1))) (or (and (and .cse0 .cse1 .cse2 .cse3 .cse4) (= ~switchedOnBeforeTS~0 1) (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|)) (and .cse2 (and .cse0 (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse1 (= ~pumpRunning~0 0) .cse3 .cse4)))) [2019-01-12 14:55:43,974 INFO L444 ceAbstractionStarter]: At program point L173-1(lines 683 689) the Hoare annotation is: false [2019-01-12 14:55:43,974 INFO L444 ceAbstractionStarter]: At program point L173-2(lines 683 689) the Hoare annotation is: false [2019-01-12 14:55:43,974 INFO L448 ceAbstractionStarter]: For program point L141(lines 141 148) no Hoare annotation was computed. [2019-01-12 14:55:43,974 INFO L451 ceAbstractionStarter]: At program point L141-1(lines 141 148) the Hoare annotation is: true [2019-01-12 14:55:43,975 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-01-12 14:55:43,975 INFO L448 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2019-01-12 14:55:43,975 INFO L448 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-01-12 14:55:43,975 INFO L448 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-01-12 14:55:43,975 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2019-01-12 14:55:43,975 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 950) no Hoare annotation was computed. [2019-01-12 14:55:43,975 INFO L444 ceAbstractionStarter]: At program point L112(lines 108 114) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2019-01-12 14:55:43,975 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 758) no Hoare annotation was computed. [2019-01-12 14:55:43,975 INFO L448 ceAbstractionStarter]: For program point L741-1(lines 741 758) no Hoare annotation was computed. [2019-01-12 14:55:43,976 INFO L448 ceAbstractionStarter]: For program point L741-2(lines 741 758) no Hoare annotation was computed. [2019-01-12 14:55:43,976 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-01-12 14:55:43,976 INFO L448 ceAbstractionStarter]: For program point L908(lines 907 954) no Hoare annotation was computed. [2019-01-12 14:55:43,976 INFO L448 ceAbstractionStarter]: For program point L909(lines 909 913) no Hoare annotation was computed. [2019-01-12 14:55:43,976 INFO L448 ceAbstractionStarter]: For program point L843(lines 843 847) no Hoare annotation was computed. [2019-01-12 14:55:43,976 INFO L448 ceAbstractionStarter]: For program point L843-2(lines 843 847) no Hoare annotation was computed. [2019-01-12 14:55:43,976 INFO L448 ceAbstractionStarter]: For program point L843-3(lines 843 847) no Hoare annotation was computed. [2019-01-12 14:55:43,976 INFO L448 ceAbstractionStarter]: For program point L843-5(lines 843 847) no Hoare annotation was computed. [2019-01-12 14:55:43,976 INFO L448 ceAbstractionStarter]: For program point L843-6(lines 843 847) no Hoare annotation was computed. [2019-01-12 14:55:43,976 INFO L448 ceAbstractionStarter]: For program point L843-8(lines 843 847) no Hoare annotation was computed. [2019-01-12 14:55:43,977 INFO L448 ceAbstractionStarter]: For program point L843-9(lines 843 847) no Hoare annotation was computed. [2019-01-12 14:55:43,977 INFO L448 ceAbstractionStarter]: For program point L843-11(lines 843 847) no Hoare annotation was computed. [2019-01-12 14:55:43,980 INFO L448 ceAbstractionStarter]: For program point L843-12(lines 843 847) no Hoare annotation was computed. [2019-01-12 14:55:43,980 INFO L448 ceAbstractionStarter]: For program point L843-14(lines 843 847) no Hoare annotation was computed. [2019-01-12 14:55:43,980 INFO L448 ceAbstractionStarter]: For program point L843-15(lines 843 847) no Hoare annotation was computed. [2019-01-12 14:55:43,980 INFO L448 ceAbstractionStarter]: For program point L843-17(lines 843 847) no Hoare annotation was computed. [2019-01-12 14:55:43,980 INFO L451 ceAbstractionStarter]: At program point L150(lines 131 153) the Hoare annotation is: true [2019-01-12 14:55:43,980 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-01-12 14:55:43,981 INFO L448 ceAbstractionStarter]: For program point L745(lines 745 753) no Hoare annotation was computed. [2019-01-12 14:55:43,981 INFO L448 ceAbstractionStarter]: For program point L745-1(lines 745 753) no Hoare annotation was computed. [2019-01-12 14:55:43,981 INFO L448 ceAbstractionStarter]: For program point L745-2(lines 745 753) no Hoare annotation was computed. [2019-01-12 14:55:43,981 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 201) no Hoare annotation was computed. [2019-01-12 14:55:43,981 INFO L444 ceAbstractionStarter]: At program point L184-1(lines 1 962) the Hoare annotation is: (let ((.cse3 (= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ULTIMATE.start_main_~tmp~0 1))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4 .cse5 (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~1 2)) (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse5) (and .cse2 (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse4 .cse5)))) [2019-01-12 14:55:43,981 INFO L448 ceAbstractionStarter]: For program point L184-2(lines 184 201) no Hoare annotation was computed. [2019-01-12 14:55:43,981 INFO L444 ceAbstractionStarter]: At program point L184-3(lines 1 962) the Hoare annotation is: false [2019-01-12 14:55:43,981 INFO L448 ceAbstractionStarter]: For program point L184-4(lines 184 201) no Hoare annotation was computed. [2019-01-12 14:55:43,981 INFO L444 ceAbstractionStarter]: At program point L184-5(lines 1 962) the Hoare annotation is: false [2019-01-12 14:55:43,982 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 14:55:43,982 INFO L448 ceAbstractionStarter]: For program point L945(lines 945 949) no Hoare annotation was computed. [2019-01-12 14:55:43,982 INFO L444 ceAbstractionStarter]: At program point L945-2(lines 945 949) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse0 (<= ~waterLevel~0 2)) (.cse5 (= 1 ~pumpRunning~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ULTIMATE.start_main_~tmp~0 1))) (or (and .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4)) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse0 .cse5 .cse3 .cse4) (and .cse1 .cse2 .cse0 (= ~switchedOnBeforeTS~0 1) .cse5 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse4))) [2019-01-12 14:55:43,982 INFO L448 ceAbstractionStarter]: For program point L582(lines 582 586) no Hoare annotation was computed. [2019-01-12 14:55:43,982 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 582 586) no Hoare annotation was computed. [2019-01-12 14:55:43,982 INFO L448 ceAbstractionStarter]: For program point L582-6(lines 582 586) no Hoare annotation was computed. [2019-01-12 14:55:43,982 INFO L448 ceAbstractionStarter]: For program point L715(lines 715 732) no Hoare annotation was computed. [2019-01-12 14:55:43,982 INFO L448 ceAbstractionStarter]: For program point L715-1(lines 715 732) no Hoare annotation was computed. [2019-01-12 14:55:43,982 INFO L448 ceAbstractionStarter]: For program point L715-2(lines 715 732) no Hoare annotation was computed. [2019-01-12 14:55:43,982 INFO L448 ceAbstractionStarter]: For program point L715-3(lines 715 732) no Hoare annotation was computed. [2019-01-12 14:55:43,983 INFO L448 ceAbstractionStarter]: For program point L715-4(lines 715 732) no Hoare annotation was computed. [2019-01-12 14:55:43,983 INFO L448 ceAbstractionStarter]: For program point L715-5(lines 715 732) no Hoare annotation was computed. [2019-01-12 14:55:43,983 INFO L444 ceAbstractionStarter]: At program point L683(lines 679 701) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_main_~tmp~0 1))) (or (and (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) .cse4) (and (and .cse0 .cse1 .cse4 .cse2 .cse3) (= ~switchedOnBeforeTS~0 1) (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|)))) [2019-01-12 14:55:43,983 INFO L444 ceAbstractionStarter]: At program point L683-1(lines 679 701) the Hoare annotation is: false [2019-01-12 14:55:43,983 INFO L444 ceAbstractionStarter]: At program point L683-2(lines 679 701) the Hoare annotation is: false [2019-01-12 14:55:43,983 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 198) no Hoare annotation was computed. [2019-01-12 14:55:43,983 INFO L448 ceAbstractionStarter]: For program point L188-2(lines 188 198) no Hoare annotation was computed. [2019-01-12 14:55:43,983 INFO L448 ceAbstractionStarter]: For program point L188-4(lines 188 198) no Hoare annotation was computed. [2019-01-12 14:55:43,984 INFO L444 ceAbstractionStarter]: At program point L849(lines 834 852) the Hoare annotation is: false [2019-01-12 14:55:43,984 INFO L444 ceAbstractionStarter]: At program point L849-1(lines 834 852) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ULTIMATE.start_main_~tmp~0 1))) (or (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2019-01-12 14:55:43,984 INFO L444 ceAbstractionStarter]: At program point L849-2(lines 834 852) the Hoare annotation is: false [2019-01-12 14:55:43,984 INFO L444 ceAbstractionStarter]: At program point L849-3(lines 834 852) the Hoare annotation is: false [2019-01-12 14:55:43,984 INFO L444 ceAbstractionStarter]: At program point L849-4(lines 834 852) the Hoare annotation is: false [2019-01-12 14:55:43,984 INFO L444 ceAbstractionStarter]: At program point L849-5(lines 834 852) the Hoare annotation is: false [2019-01-12 14:55:43,985 INFO L444 ceAbstractionStarter]: At program point L651(lines 646 654) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse0 (<= ~waterLevel~0 2)) (.cse5 (= 1 ~pumpRunning~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ULTIMATE.start_main_~tmp~0 1))) (or (and .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4)) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse0 .cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4) (and .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse0 .cse5 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse4))) [2019-01-12 14:55:43,985 INFO L444 ceAbstractionStarter]: At program point L651-1(lines 646 654) the Hoare annotation is: false [2019-01-12 14:55:43,985 INFO L444 ceAbstractionStarter]: At program point L651-2(lines 646 654) the Hoare annotation is: false [2019-01-12 14:55:43,985 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 195) no Hoare annotation was computed. [2019-01-12 14:55:43,985 INFO L448 ceAbstractionStarter]: For program point L189-2(lines 189 195) no Hoare annotation was computed. [2019-01-12 14:55:43,985 INFO L448 ceAbstractionStarter]: For program point L189-4(lines 189 195) no Hoare annotation was computed. [2019-01-12 14:55:43,985 INFO L444 ceAbstractionStarter]: At program point L619(lines 614 622) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= ~switchedOnBeforeTS~0 1) (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2019-01-12 14:55:43,985 INFO L444 ceAbstractionStarter]: At program point L619-1(lines 614 622) the Hoare annotation is: false [2019-01-12 14:55:43,986 INFO L444 ceAbstractionStarter]: At program point L619-2(lines 614 622) the Hoare annotation is: false [2019-01-12 14:55:43,986 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 14:55:43,986 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 923) no Hoare annotation was computed. [2019-01-12 14:55:43,986 INFO L444 ceAbstractionStarter]: At program point L884(lines 1 962) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-01-12 14:55:43,986 INFO L444 ceAbstractionStarter]: At program point L917-1(lines 917 923) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse0 (<= ~waterLevel~0 2)) (.cse5 (= 1 ~pumpRunning~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ULTIMATE.start_main_~tmp~0 1))) (or (and .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4)) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse0 .cse5 .cse3 .cse4) (and .cse1 .cse2 .cse0 (= ~switchedOnBeforeTS~0 1) .cse5 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse4))) [2019-01-12 14:55:43,986 INFO L444 ceAbstractionStarter]: At program point L785(lines 778 788) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= ~switchedOnBeforeTS~0 1) (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2019-01-12 14:55:43,986 INFO L444 ceAbstractionStarter]: At program point L785-1(lines 778 788) the Hoare annotation is: false [2019-01-12 14:55:43,986 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 727) no Hoare annotation was computed. [2019-01-12 14:55:43,987 INFO L444 ceAbstractionStarter]: At program point L785-2(lines 778 788) the Hoare annotation is: false [2019-01-12 14:55:43,987 INFO L448 ceAbstractionStarter]: For program point L719-1(lines 719 727) no Hoare annotation was computed. [2019-01-12 14:55:43,987 INFO L448 ceAbstractionStarter]: For program point L719-2(lines 719 727) no Hoare annotation was computed. [2019-01-12 14:55:43,987 INFO L448 ceAbstractionStarter]: For program point L719-3(lines 719 727) no Hoare annotation was computed. [2019-01-12 14:55:43,987 INFO L448 ceAbstractionStarter]: For program point L719-4(lines 719 727) no Hoare annotation was computed. [2019-01-12 14:55:43,987 INFO L448 ceAbstractionStarter]: For program point L719-5(lines 719 727) no Hoare annotation was computed. [2019-01-12 14:55:43,987 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 14:55:43,987 INFO L444 ceAbstractionStarter]: At program point L61-2(lines 61 75) the Hoare annotation is: false [2019-01-12 14:55:43,987 INFO L448 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2019-01-12 14:55:43,988 INFO L444 ceAbstractionStarter]: At program point L690(lines 690 696) the Hoare annotation is: (let ((.cse5 (= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_main_~tmp~0 1))) (or (and (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) .cse4) (and (= ~switchedOnBeforeTS~0 1) .cse5 (= 1 |ULTIMATE.start_isPumpRunning_#res|) (and .cse0 .cse1 .cse4 .cse2 .cse3)) (and .cse5 (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse4 .cse2 .cse3)))) [2019-01-12 14:55:43,988 INFO L444 ceAbstractionStarter]: At program point L690-1(lines 690 696) the Hoare annotation is: false [2019-01-12 14:55:43,988 INFO L444 ceAbstractionStarter]: At program point L690-2(lines 690 696) the Hoare annotation is: false [2019-01-12 14:55:43,988 INFO L444 ceAbstractionStarter]: At program point L955(lines 906 956) the Hoare annotation is: false [2019-01-12 14:55:43,988 INFO L444 ceAbstractionStarter]: At program point L163(lines 158 165) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2019-01-12 14:55:43,988 INFO L448 ceAbstractionStarter]: For program point L659(lines 659 665) no Hoare annotation was computed. [2019-01-12 14:55:43,988 INFO L448 ceAbstractionStarter]: For program point L659-1(lines 659 665) no Hoare annotation was computed. [2019-01-12 14:55:43,988 INFO L448 ceAbstractionStarter]: For program point L659-2(lines 659 665) no Hoare annotation was computed. [2019-01-12 14:55:43,989 INFO L448 ceAbstractionStarter]: For program point L659-3(lines 659 665) no Hoare annotation was computed. [2019-01-12 14:55:43,989 INFO L448 ceAbstractionStarter]: For program point L659-4(lines 659 665) no Hoare annotation was computed. [2019-01-12 14:55:43,989 INFO L448 ceAbstractionStarter]: For program point L659-5(lines 659 665) no Hoare annotation was computed. [2019-01-12 14:55:43,989 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-01-12 14:55:43,989 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2019-01-12 14:55:43,989 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 14:55:43,989 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 598) no Hoare annotation was computed. [2019-01-12 14:55:43,989 INFO L444 ceAbstractionStarter]: At program point L892(lines 887 895) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-01-12 14:55:43,990 INFO L444 ceAbstractionStarter]: At program point L794(lines 789 797) the Hoare annotation is: (let ((.cse5 (= 1 ~pumpRunning~0)) (.cse6 (= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ULTIMATE.start_main_~tmp~0 1))) (or (and (and .cse0 .cse1 .cse2 .cse3 .cse4) (= ~switchedOnBeforeTS~0 1) .cse5 .cse6) (and (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) .cse5 .cse6) (and .cse2 (and .cse0 (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse1 (= ~pumpRunning~0 0) .cse3 .cse4)))) [2019-01-12 14:55:43,990 INFO L444 ceAbstractionStarter]: At program point L794-1(lines 789 797) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ULTIMATE.start_main_~tmp~0 1))) (or (and .cse0 (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse4))) [2019-01-12 14:55:43,990 INFO L444 ceAbstractionStarter]: At program point L794-2(lines 789 797) the Hoare annotation is: false [2019-01-12 14:55:43,990 INFO L444 ceAbstractionStarter]: At program point L794-3(lines 789 797) the Hoare annotation is: false [2019-01-12 14:55:43,990 INFO L444 ceAbstractionStarter]: At program point L794-4(lines 789 797) the Hoare annotation is: false [2019-01-12 14:55:43,990 INFO L444 ceAbstractionStarter]: At program point L794-5(lines 789 797) the Hoare annotation is: false [2019-01-12 14:55:44,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 02:55:44 BoogieIcfgContainer [2019-01-12 14:55:44,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 14:55:44,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 14:55:44,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 14:55:44,039 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 14:55:44,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:55:30" (3/4) ... [2019-01-12 14:55:44,047 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 14:55:44,072 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-01-12 14:55:44,073 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-01-12 14:55:44,075 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-01-12 14:55:44,076 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-12 14:55:44,077 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 14:55:44,078 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 14:55:44,112 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) [2019-01-12 14:55:44,112 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 [2019-01-12 14:55:44,112 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 [2019-01-12 14:55:44,112 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && tmp == 1) && 2 <= tmp) && tmp <= 2) || (((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && !(0 == systemActive)) && tmp == 1)) || (waterLevel <= 2 && (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) [2019-01-12 14:55:44,113 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || ((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && !(0 == systemActive)) && tmp == 1)) || (((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && !(0 == systemActive)) && tmp == 1) [2019-01-12 14:55:44,113 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || ((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && !(0 == systemActive)) && tmp == 1)) || (((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && !(0 == systemActive)) && tmp == 1) [2019-01-12 14:55:44,114 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || ((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && !(0 == systemActive)) && tmp == 1)) || (((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && !(0 == systemActive)) && tmp == 1) [2019-01-12 14:55:44,114 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && tmp == 1) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) || (((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && tmp == 1) && 1 == pumpRunning) && 1 == \result)) || (waterLevel <= 2 && ((((\result == 1 && 0 == \result) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) [2019-01-12 14:55:44,114 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && tmp == 1) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) || (waterLevel <= 2 && ((((\result == 1 && 0 == \result) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) [2019-01-12 14:55:44,115 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && waterLevel <= 2) || (((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && tmp == 1) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) [2019-01-12 14:55:44,120 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && waterLevel <= 2) || (((switchedOnBeforeTS == 1 && 1 == pumpRunning) && 1 == \result) && (((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && tmp == 1)) || (1 == pumpRunning && ((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && tmp == 1) [2019-01-12 14:55:44,122 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || ((((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && tmp == 1)) || (((((((\result == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && !(0 == systemActive)) && tmp == 1) [2019-01-12 14:55:44,123 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && !(0 == systemActive)) && tmp == 1 [2019-01-12 14:55:44,123 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && !(0 == systemActive)) && tmp == 1 [2019-01-12 14:55:44,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || ((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) [2019-01-12 14:55:44,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 0 == \result) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || (((((((\result == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && !(0 == systemActive)) && tmp == 1) [2019-01-12 14:55:44,126 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == \result && \result == 1) && 0 == tmp___0) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || ((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) [2019-01-12 14:55:44,216 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 14:55:44,216 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 14:55:44,217 INFO L168 Benchmark]: Toolchain (without parser) took 16446.23 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 274.2 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 102.7 MB. Max. memory is 11.5 GB. [2019-01-12 14:55:44,219 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 14:55:44,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2019-01-12 14:55:44,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 14:55:44,220 INFO L168 Benchmark]: Boogie Preprocessor took 88.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-01-12 14:55:44,220 INFO L168 Benchmark]: RCFGBuilder took 1532.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. [2019-01-12 14:55:44,220 INFO L168 Benchmark]: TraceAbstraction took 13845.65 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 136.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -86.2 MB). Peak memory consumption was 309.5 MB. Max. memory is 11.5 GB. [2019-01-12 14:55:44,221 INFO L168 Benchmark]: Witness Printer took 177.37 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-01-12 14:55:44,223 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 671.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 124.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1532.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13845.65 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 136.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -86.2 MB). Peak memory consumption was 309.5 MB. Max. memory is 11.5 GB. * Witness Printer took 177.37 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && waterLevel <= 2) || (((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && tmp == 1) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: ((\result == 1 && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 0 == \result) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || (((((((\result == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || ((((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && tmp == 1)) || (((((((\result == 1 && splverifierCounter == 0) && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: (((((((0 == \result && \result == 1) && 0 == tmp___0) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || ((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && tmp == 1) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) || (((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && tmp == 1) && 1 == pumpRunning) && 1 == \result)) || (waterLevel <= 2 && ((((\result == 1 && 0 == \result) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: ((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || ((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && !(0 == systemActive)) && tmp == 1)) || (((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) && tmp == 1) && 2 <= tmp) && tmp <= 2) || (((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && !(0 == systemActive)) && tmp == 1)) || (waterLevel <= 2 && (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: (((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && tmp == 1) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) || (waterLevel <= 2 && ((((\result == 1 && 0 == \result) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || ((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && !(0 == systemActive)) && tmp == 1)) || (((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((\result == 1 && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || ((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || ((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && !(0 == systemActive)) && tmp == 1)) || (((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && waterLevel <= 2) || (((switchedOnBeforeTS == 1 && 1 == pumpRunning) && 1 == \result) && (((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && tmp == 1)) || (1 == pumpRunning && ((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && tmp == 1) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: ((((((\result == 1 && splverifierCounter == 0) && waterLevel <= 2) && switchedOnBeforeTS == 1) && 1 == pumpRunning) && 1 == \result) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((\result == 1 && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. SAFE Result, 13.7s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 4.0s AutomataDifference, 0.0s DeadEndRemovalTime, 6.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 991 SDtfs, 1219 SDslu, 1183 SDs, 0 SdLazy, 224 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 372 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 131 NumberOfFragments, 918 HoareAnnotationTreeSize, 50 FomulaSimplifications, 34133 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 50 FomulaSimplificationsInter, 15432 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 365 ConstructedInterpolants, 0 QuantifiedInterpolants, 27239 SizeOfPredicates, 4 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...