./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product06_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 b261f373c94d4201e773fd055c7f1efffffc1032 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 09:49:01,617 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:49:01,618 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:49:01,634 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:49:01,634 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:49:01,635 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:49:01,636 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:49:01,640 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:49:01,641 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:49:01,642 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:49:01,643 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:49:01,643 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:49:01,644 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:49:01,645 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:49:01,646 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:49:01,647 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:49:01,648 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:49:01,650 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:49:01,655 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:49:01,660 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:49:01,661 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:49:01,662 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:49:01,667 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:49:01,668 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:49:01,668 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:49:01,669 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:49:01,673 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:49:01,674 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:49:01,675 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:49:01,678 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:49:01,679 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:49:01,679 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:49:01,680 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:49:01,680 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:49:01,682 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:49:01,683 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:49:01,683 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:49:01,707 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:49:01,708 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:49:01,709 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:49:01,709 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:49:01,709 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:49:01,710 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:49:01,710 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:49:01,710 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:49:01,710 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:49:01,710 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:49:01,710 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:49:01,711 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:49:01,711 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:49:01,711 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:49:01,711 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:49:01,711 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:49:01,711 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:49:01,712 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:49:01,712 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:49:01,712 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:49:01,712 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:49:01,712 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:49:01,713 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:49:01,713 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:49:01,713 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:49:01,713 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:49:01,713 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:49:01,713 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:49:01,714 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 -> b261f373c94d4201e773fd055c7f1efffffc1032 [2018-12-31 09:49:01,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:49:01,759 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:49:01,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:49:01,765 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:49:01,765 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:49:01,766 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:01,822 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5b875613/e9317f6b5e594cd98ef332b877a6ee6d/FLAGe56897c0d [2018-12-31 09:49:02,322 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:49:02,323 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product06_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:02,340 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5b875613/e9317f6b5e594cd98ef332b877a6ee6d/FLAGe56897c0d [2018-12-31 09:49:02,626 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5b875613/e9317f6b5e594cd98ef332b877a6ee6d [2018-12-31 09:49:02,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:49:02,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:49:02,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:49:02,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:49:02,638 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:49:02,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:49:02" (1/1) ... [2018-12-31 09:49:02,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fb2347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:02, skipping insertion in model container [2018-12-31 09:49:02,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:49:02" (1/1) ... [2018-12-31 09:49:02,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:49:02,711 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:49:03,156 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:49:03,183 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:49:03,392 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:49:03,424 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:49:03,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:03 WrapperNode [2018-12-31 09:49:03,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:49:03,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:49:03,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:49:03,426 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:49:03,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:03" (1/1) ... [2018-12-31 09:49:03,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:03" (1/1) ... [2018-12-31 09:49:03,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:49:03,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:49:03,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:49:03,497 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:49:03,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:03" (1/1) ... [2018-12-31 09:49:03,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:03" (1/1) ... [2018-12-31 09:49:03,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:03" (1/1) ... [2018-12-31 09:49:03,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:03" (1/1) ... [2018-12-31 09:49:03,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:03" (1/1) ... [2018-12-31 09:49:03,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:03" (1/1) ... [2018-12-31 09:49:03,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:03" (1/1) ... [2018-12-31 09:49:03,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:49:03,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:49:03,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:49:03,537 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:49:03,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:49:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:49:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:49:03,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:49:03,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:49:04,730 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:49:04,730 INFO L280 CfgBuilder]: Removed 98 assue(true) statements. [2018-12-31 09:49:04,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:04 BoogieIcfgContainer [2018-12-31 09:49:04,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:49:04,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:49:04,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:49:04,734 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:49:04,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:49:02" (1/3) ... [2018-12-31 09:49:04,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c11757d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:49:04, skipping insertion in model container [2018-12-31 09:49:04,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:49:03" (2/3) ... [2018-12-31 09:49:04,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c11757d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:49:04, skipping insertion in model container [2018-12-31 09:49:04,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:04" (3/3) ... [2018-12-31 09:49:04,738 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06_true-unreach-call_false-termination.cil.c [2018-12-31 09:49:04,748 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:49:04,757 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:49:04,775 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:49:04,807 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:49:04,807 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:49:04,808 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:49:04,808 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:49:04,809 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:49:04,809 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:49:04,810 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:49:04,810 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:49:04,810 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:49:04,826 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2018-12-31 09:49:04,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 09:49:04,834 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:04,835 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:04,837 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:04,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:04,842 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2018-12-31 09:49:04,844 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:04,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:04,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:04,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:04,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:05,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:05,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:05,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:49:05,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:49:05,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:49:05,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:49:05,159 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2018-12-31 09:49:05,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:05,189 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2018-12-31 09:49:05,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:49:05,191 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-12-31 09:49:05,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:05,210 INFO L225 Difference]: With dead ends: 132 [2018-12-31 09:49:05,210 INFO L226 Difference]: Without dead ends: 65 [2018-12-31 09:49:05,214 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:49:05,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-12-31 09:49:05,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-12-31 09:49:05,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-31 09:49:05,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2018-12-31 09:49:05,264 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2018-12-31 09:49:05,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:05,265 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2018-12-31 09:49:05,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:49:05,265 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2018-12-31 09:49:05,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-31 09:49:05,268 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:05,268 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:05,269 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:05,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:05,269 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2018-12-31 09:49:05,270 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:05,270 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:05,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:05,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:05,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:05,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:05,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:05,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:49:05,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:49:05,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:49:05,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:05,451 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2018-12-31 09:49:05,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:05,481 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2018-12-31 09:49:05,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:49:05,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-12-31 09:49:05,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:05,483 INFO L225 Difference]: With dead ends: 65 [2018-12-31 09:49:05,484 INFO L226 Difference]: Without dead ends: 31 [2018-12-31 09:49:05,487 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:05,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-31 09:49:05,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-12-31 09:49:05,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-31 09:49:05,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2018-12-31 09:49:05,498 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2018-12-31 09:49:05,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:05,498 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2018-12-31 09:49:05,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:49:05,499 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2018-12-31 09:49:05,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-31 09:49:05,502 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:05,502 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:05,502 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:05,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:05,503 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2018-12-31 09:49:05,503 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:05,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:05,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:05,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:05,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:05,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:05,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:05,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:49:05,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:49:05,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:49:05,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:49:05,714 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 5 states. [2018-12-31 09:49:05,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:05,784 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2018-12-31 09:49:05,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 09:49:05,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-12-31 09:49:05,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:05,785 INFO L225 Difference]: With dead ends: 56 [2018-12-31 09:49:05,785 INFO L226 Difference]: Without dead ends: 31 [2018-12-31 09:49:05,786 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:49:05,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-31 09:49:05,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-12-31 09:49:05,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-31 09:49:05,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2018-12-31 09:49:05,795 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2018-12-31 09:49:05,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:05,795 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2018-12-31 09:49:05,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:49:05,795 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2018-12-31 09:49:05,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-31 09:49:05,796 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:05,796 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] [2018-12-31 09:49:05,797 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:05,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:05,797 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2018-12-31 09:49:05,797 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:05,798 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:05,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:05,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:05,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:05,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:05,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:05,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-31 09:49:05,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-31 09:49:05,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-31 09:49:05,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:49:05,980 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 8 states. [2018-12-31 09:49:07,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:07,130 INFO L93 Difference]: Finished difference Result 178 states and 266 transitions. [2018-12-31 09:49:07,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-31 09:49:07,131 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-12-31 09:49:07,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:07,134 INFO L225 Difference]: With dead ends: 178 [2018-12-31 09:49:07,137 INFO L226 Difference]: Without dead ends: 153 [2018-12-31 09:49:07,138 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2018-12-31 09:49:07,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-12-31 09:49:07,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 72. [2018-12-31 09:49:07,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-31 09:49:07,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2018-12-31 09:49:07,176 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2018-12-31 09:49:07,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:07,177 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2018-12-31 09:49:07,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-31 09:49:07,178 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2018-12-31 09:49:07,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:49:07,179 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:07,179 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:07,179 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:07,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:07,181 INFO L82 PathProgramCache]: Analyzing trace with hash -184875712, now seen corresponding path program 1 times [2018-12-31 09:49:07,181 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:07,181 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:07,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:07,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:07,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:07,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:49:07,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:07,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:49:07,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:49:07,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:49:07,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:07,279 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand 3 states. [2018-12-31 09:49:07,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:07,349 INFO L93 Difference]: Finished difference Result 126 states and 177 transitions. [2018-12-31 09:49:07,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:49:07,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-31 09:49:07,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:07,352 INFO L225 Difference]: With dead ends: 126 [2018-12-31 09:49:07,352 INFO L226 Difference]: Without dead ends: 60 [2018-12-31 09:49:07,353 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:49:07,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-31 09:49:07,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-12-31 09:49:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-31 09:49:07,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2018-12-31 09:49:07,365 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2018-12-31 09:49:07,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:07,366 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2018-12-31 09:49:07,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:49:07,366 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2018-12-31 09:49:07,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-31 09:49:07,367 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:49:07,367 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:49:07,369 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:49:07,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:49:07,370 INFO L82 PathProgramCache]: Analyzing trace with hash 211192125, now seen corresponding path program 1 times [2018-12-31 09:49:07,370 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:49:07,370 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:49:07,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:07,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:49:07,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:49:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:49:07,628 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-31 09:49:07,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:49:07,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:49:07,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:49:07,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:49:07,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:49:07,631 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2018-12-31 09:49:08,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:49:08,075 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2018-12-31 09:49:08,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 09:49:08,076 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2018-12-31 09:49:08,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:49:08,076 INFO L225 Difference]: With dead ends: 118 [2018-12-31 09:49:08,076 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:49:08,078 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:49:08,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:49:08,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:49:08,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:49:08,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:49:08,079 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2018-12-31 09:49:08,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:49:08,079 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:49:08,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:49:08,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:49:08,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:49:08,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:49:08,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:08,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:08,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:08,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:08,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:08,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:49:08,575 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 452) no Hoare annotation was computed. [2018-12-31 09:49:08,575 INFO L444 ceAbstractionStarter]: At program point L448-2(lines 266 272) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2018-12-31 09:49:08,575 INFO L444 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2018-12-31 09:49:08,576 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2018-12-31 09:49:08,576 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:49:08,576 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-31 09:49:08,576 INFO L444 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2018-12-31 09:49:08,576 INFO L444 ceAbstractionStarter]: At program point L863(lines 858 866) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2018-12-31 09:49:08,577 INFO L444 ceAbstractionStarter]: At program point L351(lines 346 354) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2018-12-31 09:49:08,577 INFO L444 ceAbstractionStarter]: At program point L351-1(lines 346 354) the Hoare annotation is: false [2018-12-31 09:49:08,577 INFO L444 ceAbstractionStarter]: At program point L351-2(lines 346 354) the Hoare annotation is: false [2018-12-31 09:49:08,577 INFO L448 ceAbstractionStarter]: For program point L302(lines 302 310) no Hoare annotation was computed. [2018-12-31 09:49:08,577 INFO L448 ceAbstractionStarter]: For program point L302-1(lines 302 310) no Hoare annotation was computed. [2018-12-31 09:49:08,577 INFO L448 ceAbstractionStarter]: For program point L302-2(lines 302 310) no Hoare annotation was computed. [2018-12-31 09:49:08,578 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 158) no Hoare annotation was computed. [2018-12-31 09:49:08,578 INFO L448 ceAbstractionStarter]: For program point L154-3(lines 154 158) no Hoare annotation was computed. [2018-12-31 09:49:08,578 INFO L448 ceAbstractionStarter]: For program point L154-6(lines 154 158) no Hoare annotation was computed. [2018-12-31 09:49:08,578 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-31 09:49:08,578 INFO L448 ceAbstractionStarter]: For program point L56-1(lines 266 272) no Hoare annotation was computed. [2018-12-31 09:49:08,578 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 251) no Hoare annotation was computed. [2018-12-31 09:49:08,578 INFO L444 ceAbstractionStarter]: At program point L238-1(lines 1 875) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2018-12-31 09:49:08,579 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 251) no Hoare annotation was computed. [2018-12-31 09:49:08,579 INFO L444 ceAbstractionStarter]: At program point L238-3(lines 1 875) the Hoare annotation is: false [2018-12-31 09:49:08,579 INFO L451 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2018-12-31 09:49:08,579 INFO L448 ceAbstractionStarter]: For program point L238-4(lines 238 251) no Hoare annotation was computed. [2018-12-31 09:49:08,579 INFO L444 ceAbstractionStarter]: At program point L238-5(lines 1 875) the Hoare annotation is: false [2018-12-31 09:49:08,579 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2018-12-31 09:49:08,579 INFO L444 ceAbstractionStarter]: At program point L420-1(lines 420 426) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2018-12-31 09:49:08,580 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:49:08,580 INFO L444 ceAbstractionStarter]: At program point L223(lines 218 226) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2018-12-31 09:49:08,580 INFO L444 ceAbstractionStarter]: At program point L223-1(lines 218 226) the Hoare annotation is: false [2018-12-31 09:49:08,580 INFO L444 ceAbstractionStarter]: At program point L223-2(lines 218 226) the Hoare annotation is: false [2018-12-31 09:49:08,580 INFO L444 ceAbstractionStarter]: At program point L273(lines 273 279) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2018-12-31 09:49:08,580 INFO L444 ceAbstractionStarter]: At program point L273-1(lines 273 279) the Hoare annotation is: false [2018-12-31 09:49:08,581 INFO L444 ceAbstractionStarter]: At program point L273-2(lines 273 279) the Hoare annotation is: false [2018-12-31 09:49:08,581 INFO L444 ceAbstractionStarter]: At program point L191(lines 186 194) the Hoare annotation is: false [2018-12-31 09:49:08,581 INFO L444 ceAbstractionStarter]: At program point L191-1(lines 186 194) the Hoare annotation is: false [2018-12-31 09:49:08,581 INFO L444 ceAbstractionStarter]: At program point L191-2(lines 186 194) the Hoare annotation is: false [2018-12-31 09:49:08,581 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2018-12-31 09:49:08,581 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 453) no Hoare annotation was computed. [2018-12-31 09:49:08,582 INFO L448 ceAbstractionStarter]: For program point L242(lines 242 248) no Hoare annotation was computed. [2018-12-31 09:49:08,582 INFO L448 ceAbstractionStarter]: For program point L242-2(lines 242 248) no Hoare annotation was computed. [2018-12-31 09:49:08,582 INFO L448 ceAbstractionStarter]: For program point L242-4(lines 242 248) no Hoare annotation was computed. [2018-12-31 09:49:08,582 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:49:08,582 INFO L444 ceAbstractionStarter]: At program point L342(lines 335 345) the Hoare annotation is: false [2018-12-31 09:49:08,582 INFO L444 ceAbstractionStarter]: At program point L342-1(lines 335 345) the Hoare annotation is: false [2018-12-31 09:49:08,582 INFO L444 ceAbstractionStarter]: At program point L342-2(lines 335 345) the Hoare annotation is: false [2018-12-31 09:49:08,583 INFO L444 ceAbstractionStarter]: At program point L458(lines 409 459) the Hoare annotation is: false [2018-12-31 09:49:08,583 INFO L444 ceAbstractionStarter]: At program point L855(lines 1 875) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2018-12-31 09:49:08,583 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 182) no Hoare annotation was computed. [2018-12-31 09:49:08,583 INFO L448 ceAbstractionStarter]: For program point L872(line 872) no Hoare annotation was computed. [2018-12-31 09:49:08,583 INFO L448 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2018-12-31 09:49:08,583 INFO L448 ceAbstractionStarter]: For program point L872-2(line 872) no Hoare annotation was computed. [2018-12-31 09:49:08,583 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2018-12-31 09:49:08,584 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-31 09:49:08,584 INFO L451 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2018-12-31 09:49:08,584 INFO L448 ceAbstractionStarter]: For program point L411(lines 410 457) no Hoare annotation was computed. [2018-12-31 09:49:08,584 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:49:08,584 INFO L448 ceAbstractionStarter]: For program point L412(lines 412 416) no Hoare annotation was computed. [2018-12-31 09:49:08,584 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2018-12-31 09:49:08,584 INFO L444 ceAbstractionStarter]: At program point L430-1(lines 430 436) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2018-12-31 09:49:08,585 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 315) no Hoare annotation was computed. [2018-12-31 09:49:08,585 INFO L448 ceAbstractionStarter]: For program point L298-1(lines 298 315) no Hoare annotation was computed. [2018-12-31 09:49:08,585 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 315) no Hoare annotation was computed. [2018-12-31 09:49:08,585 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2018-12-31 09:49:08,585 INFO L444 ceAbstractionStarter]: At program point L266(lines 265 284) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~0 1)) [2018-12-31 09:49:08,585 INFO L448 ceAbstractionStarter]: For program point L266-1(lines 266 272) no Hoare annotation was computed. [2018-12-31 09:49:08,585 INFO L444 ceAbstractionStarter]: At program point L266-2(lines 265 284) the Hoare annotation is: false [2018-12-31 09:49:08,586 INFO L444 ceAbstractionStarter]: At program point L266-3(lines 265 284) the Hoare annotation is: false [2018-12-31 09:49:08,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:49:08 BoogieIcfgContainer [2018-12-31 09:49:08,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:49:08,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:49:08,617 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:49:08,618 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:49:08,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:49:04" (3/4) ... [2018-12-31 09:49:08,623 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:49:08,638 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:49:08,639 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-31 09:49:08,640 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 09:49:08,640 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 09:49:08,641 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:49:08,643 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:49:08,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2018-12-31 09:49:08,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 [2018-12-31 09:49:08,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 [2018-12-31 09:49:08,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 [2018-12-31 09:49:08,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 [2018-12-31 09:49:08,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 [2018-12-31 09:49:08,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 [2018-12-31 09:49:08,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 [2018-12-31 09:49:08,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 [2018-12-31 09:49:08,675 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 0 == \result) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 [2018-12-31 09:49:08,747 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:49:08,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:49:08,748 INFO L168 Benchmark]: Toolchain (without parser) took 6116.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 952.7 MB in the beginning and 908.4 MB in the end (delta: 44.3 MB). Peak memory consumption was 191.1 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:08,749 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:49:08,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 791.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:08,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:08,750 INFO L168 Benchmark]: Boogie Preprocessor took 38.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:49:08,751 INFO L168 Benchmark]: RCFGBuilder took 1194.51 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: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:08,751 INFO L168 Benchmark]: TraceAbstraction took 3884.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 915.1 MB in the end (delta: 160.6 MB). Peak memory consumption was 160.6 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:08,751 INFO L168 Benchmark]: Witness Printer took 130.45 ms. Allocated memory is still 1.2 GB. Free memory was 915.1 MB in the beginning and 908.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:49:08,754 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 791.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1194.51 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: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3884.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 915.1 MB in the end (delta: 160.6 MB). Peak memory consumption was 160.6 MB. Max. memory is 11.5 GB. * Witness Printer took 130.45 ms. Allocated memory is still 1.2 GB. Free memory was 915.1 MB in the beginning and 908.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 872]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 872]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 872]: 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: 420]: Loop Invariant Derived loop invariant: (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: ((((\result == 1 && 0 == \result) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((\result == 1 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. SAFE Result, 3.7s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 312 SDtfs, 521 SDslu, 392 SDs, 0 SdLazy, 101 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=4, 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: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 81 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 80 NumberOfFragments, 201 HoareAnnotationTreeSize, 31 FomulaSimplifications, 2577 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 8275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 15/15 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...