./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product46_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec1_product46_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 e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 09:45:06,817 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:45:06,819 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:45:06,830 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:45:06,831 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:45:06,832 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:45:06,833 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:45:06,835 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:45:06,836 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:45:06,837 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:45:06,838 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:45:06,838 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:45:06,839 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:45:06,840 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:45:06,841 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:45:06,842 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:45:06,843 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:45:06,845 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:45:06,847 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:45:06,849 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:45:06,851 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:45:06,852 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:45:06,855 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:45:06,855 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:45:06,856 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:45:06,857 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:45:06,858 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:45:06,859 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:45:06,860 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:45:06,861 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:45:06,861 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:45:06,862 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:45:06,862 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:45:06,862 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:45:06,864 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:45:06,864 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:45:06,865 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:45:06,882 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:45:06,882 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:45:06,884 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:45:06,884 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:45:06,884 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:45:06,884 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:45:06,885 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:45:06,885 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:45:06,885 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:45:06,885 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:45:06,885 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:45:06,885 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:45:06,886 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:45:06,886 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:45:06,886 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:45:06,886 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:45:06,886 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:45:06,886 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:45:06,887 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:45:06,887 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:45:06,887 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:45:06,887 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:45:06,887 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:45:06,888 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:45:06,888 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:45:06,888 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:45:06,888 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:45:06,888 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:45:06,888 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 -> e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 [2018-12-31 09:45:06,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:45:06,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:45:06,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:45:06,958 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:45:06,959 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:45:06,961 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product46_true-unreach-call_false-termination.cil.c [2018-12-31 09:45:07,033 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a9508df1/b8a2b52f809348ceaa6c0e9c06eefe2d/FLAGf7613845f [2018-12-31 09:45:07,640 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:45:07,640 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product46_true-unreach-call_false-termination.cil.c [2018-12-31 09:45:07,660 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a9508df1/b8a2b52f809348ceaa6c0e9c06eefe2d/FLAGf7613845f [2018-12-31 09:45:07,917 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a9508df1/b8a2b52f809348ceaa6c0e9c06eefe2d [2018-12-31 09:45:07,921 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:45:07,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:45:07,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:45:07,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:45:07,933 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:45:07,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:45:07" (1/1) ... [2018-12-31 09:45:07,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3277d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:07, skipping insertion in model container [2018-12-31 09:45:07,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:45:07" (1/1) ... [2018-12-31 09:45:07,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:45:08,019 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:45:08,423 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:45:08,444 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:45:08,548 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:45:08,677 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:45:08,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:08 WrapperNode [2018-12-31 09:45:08,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:45:08,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:45:08,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:45:08,680 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:45:08,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:08" (1/1) ... [2018-12-31 09:45:08,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:08" (1/1) ... [2018-12-31 09:45:08,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:45:08,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:45:08,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:45:08,773 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:45:08,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:08" (1/1) ... [2018-12-31 09:45:08,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:08" (1/1) ... [2018-12-31 09:45:08,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:08" (1/1) ... [2018-12-31 09:45:08,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:08" (1/1) ... [2018-12-31 09:45:08,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:08" (1/1) ... [2018-12-31 09:45:08,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:08" (1/1) ... [2018-12-31 09:45:08,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:08" (1/1) ... [2018-12-31 09:45:08,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:45:08,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:45:08,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:45:08,823 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:45:08,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:45:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:45:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:45:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:45:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:45:10,407 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:45:10,408 INFO L280 CfgBuilder]: Removed 194 assue(true) statements. [2018-12-31 09:45:10,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:45:10 BoogieIcfgContainer [2018-12-31 09:45:10,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:45:10,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:45:10,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:45:10,414 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:45:10,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:45:07" (1/3) ... [2018-12-31 09:45:10,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1267cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:45:10, skipping insertion in model container [2018-12-31 09:45:10,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:45:08" (2/3) ... [2018-12-31 09:45:10,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1267cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:45:10, skipping insertion in model container [2018-12-31 09:45:10,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:45:10" (3/3) ... [2018-12-31 09:45:10,420 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46_true-unreach-call_false-termination.cil.c [2018-12-31 09:45:10,431 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:45:10,440 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:45:10,458 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:45:10,494 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:45:10,495 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:45:10,495 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:45:10,496 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:45:10,497 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:45:10,497 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:45:10,497 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:45:10,497 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:45:10,498 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:45:10,520 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2018-12-31 09:45:10,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 09:45:10,528 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:10,529 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:45:10,532 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:10,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:10,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1027746333, now seen corresponding path program 1 times [2018-12-31 09:45:10,541 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:10,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:10,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:10,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:10,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:10,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:45:10,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:10,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:45:10,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:45:10,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:45:10,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:45:10,835 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2018-12-31 09:45:10,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:10,870 INFO L93 Difference]: Finished difference Result 252 states and 377 transitions. [2018-12-31 09:45:10,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:45:10,871 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-12-31 09:45:10,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:10,885 INFO L225 Difference]: With dead ends: 252 [2018-12-31 09:45:10,885 INFO L226 Difference]: Without dead ends: 125 [2018-12-31 09:45:10,889 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:45:10,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-31 09:45:10,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-31 09:45:10,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-31 09:45:10,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2018-12-31 09:45:10,940 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 180 transitions. Word has length 16 [2018-12-31 09:45:10,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:10,940 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 180 transitions. [2018-12-31 09:45:10,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:45:10,940 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2018-12-31 09:45:10,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-31 09:45:10,942 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:10,942 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:45:10,942 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:10,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:10,943 INFO L82 PathProgramCache]: Analyzing trace with hash -2074503230, now seen corresponding path program 1 times [2018-12-31 09:45:10,943 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:10,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:10,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:10,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:10,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:11,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:45:11,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:11,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:45:11,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:45:11,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:45:11,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:45:11,096 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. Second operand 3 states. [2018-12-31 09:45:11,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:11,122 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2018-12-31 09:45:11,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:45:11,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-12-31 09:45:11,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:11,125 INFO L225 Difference]: With dead ends: 125 [2018-12-31 09:45:11,125 INFO L226 Difference]: Without dead ends: 51 [2018-12-31 09:45:11,126 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:45:11,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-31 09:45:11,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-12-31 09:45:11,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-31 09:45:11,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2018-12-31 09:45:11,136 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 17 [2018-12-31 09:45:11,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:11,137 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2018-12-31 09:45:11,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:45:11,137 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2018-12-31 09:45:11,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-31 09:45:11,142 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:11,142 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:45:11,142 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:11,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:11,143 INFO L82 PathProgramCache]: Analyzing trace with hash 640818778, now seen corresponding path program 1 times [2018-12-31 09:45:11,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:11,143 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:11,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:11,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:11,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:11,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:45:11,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:11,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:45:11,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:45:11,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:45:11,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:45:11,279 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2018-12-31 09:45:11,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:11,338 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2018-12-31 09:45:11,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:45:11,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-12-31 09:45:11,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:11,347 INFO L225 Difference]: With dead ends: 96 [2018-12-31 09:45:11,347 INFO L226 Difference]: Without dead ends: 51 [2018-12-31 09:45:11,349 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:45:11,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-31 09:45:11,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-12-31 09:45:11,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-31 09:45:11,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2018-12-31 09:45:11,356 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 22 [2018-12-31 09:45:11,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:11,356 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2018-12-31 09:45:11,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:45:11,356 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2018-12-31 09:45:11,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:45:11,358 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:11,358 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:45:11,359 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:11,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:11,360 INFO L82 PathProgramCache]: Analyzing trace with hash -855709928, now seen corresponding path program 1 times [2018-12-31 09:45:11,360 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:11,360 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:11,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:11,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:11,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:11,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:45:11,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:11,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:45:11,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:45:11,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:45:11,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:45:11,470 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2018-12-31 09:45:11,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:11,655 INFO L93 Difference]: Finished difference Result 117 states and 168 transitions. [2018-12-31 09:45:11,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:45:11,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-31 09:45:11,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:11,657 INFO L225 Difference]: With dead ends: 117 [2018-12-31 09:45:11,657 INFO L226 Difference]: Without dead ends: 72 [2018-12-31 09:45:11,658 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:45:11,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-31 09:45:11,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2018-12-31 09:45:11,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-12-31 09:45:11,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2018-12-31 09:45:11,668 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 24 [2018-12-31 09:45:11,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:11,668 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2018-12-31 09:45:11,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:45:11,670 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2018-12-31 09:45:11,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-31 09:45:11,670 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:11,671 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:45:11,671 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:11,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:11,671 INFO L82 PathProgramCache]: Analyzing trace with hash -407287284, now seen corresponding path program 1 times [2018-12-31 09:45:11,673 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:11,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:11,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:11,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:11,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:11,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:45:11,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:11,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:45:11,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:45:11,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:45:11,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:45:11,793 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand 5 states. [2018-12-31 09:45:12,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:12,435 INFO L93 Difference]: Finished difference Result 335 states and 484 transitions. [2018-12-31 09:45:12,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-31 09:45:12,436 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2018-12-31 09:45:12,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:12,438 INFO L225 Difference]: With dead ends: 335 [2018-12-31 09:45:12,439 INFO L226 Difference]: Without dead ends: 271 [2018-12-31 09:45:12,440 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 09:45:12,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2018-12-31 09:45:12,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 128. [2018-12-31 09:45:12,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-12-31 09:45:12,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2018-12-31 09:45:12,475 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 30 [2018-12-31 09:45:12,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:12,476 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2018-12-31 09:45:12,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:45:12,477 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2018-12-31 09:45:12,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-31 09:45:12,479 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:12,479 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:45:12,479 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:12,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:12,480 INFO L82 PathProgramCache]: Analyzing trace with hash 264481218, now seen corresponding path program 1 times [2018-12-31 09:45:12,480 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:12,480 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:12,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:12,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:12,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:12,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:45:12,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:12,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:45:12,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:45:12,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:45:12,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:45:12,730 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand 5 states. [2018-12-31 09:45:13,172 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-31 09:45:13,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:13,891 INFO L93 Difference]: Finished difference Result 366 states and 516 transitions. [2018-12-31 09:45:13,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:45:13,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-12-31 09:45:13,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:13,894 INFO L225 Difference]: With dead ends: 366 [2018-12-31 09:45:13,894 INFO L226 Difference]: Without dead ends: 364 [2018-12-31 09:45:13,896 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 09:45:13,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-12-31 09:45:13,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2018-12-31 09:45:13,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-12-31 09:45:13,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 178 transitions. [2018-12-31 09:45:13,919 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 178 transitions. Word has length 31 [2018-12-31 09:45:13,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:13,919 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 178 transitions. [2018-12-31 09:45:13,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:45:13,921 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2018-12-31 09:45:13,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:45:13,923 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:13,923 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:45:13,923 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:13,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:13,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1178247995, now seen corresponding path program 1 times [2018-12-31 09:45:13,925 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:13,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:13,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:13,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:13,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:14,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:45:14,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:14,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:45:14,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:45:14,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:45:14,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:45:14,068 INFO L87 Difference]: Start difference. First operand 128 states and 178 transitions. Second operand 5 states. [2018-12-31 09:45:14,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:14,481 INFO L93 Difference]: Finished difference Result 336 states and 464 transitions. [2018-12-31 09:45:14,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:45:14,485 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-12-31 09:45:14,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:14,486 INFO L225 Difference]: With dead ends: 336 [2018-12-31 09:45:14,486 INFO L226 Difference]: Without dead ends: 214 [2018-12-31 09:45:14,487 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 09:45:14,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-12-31 09:45:14,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 140. [2018-12-31 09:45:14,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-31 09:45:14,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2018-12-31 09:45:14,520 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 34 [2018-12-31 09:45:14,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:14,520 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2018-12-31 09:45:14,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:45:14,521 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2018-12-31 09:45:14,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:45:14,524 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:14,525 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:45:14,525 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:14,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:14,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1765054009, now seen corresponding path program 1 times [2018-12-31 09:45:14,527 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:14,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:14,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:14,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:14,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:14,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:45:14,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:14,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:45:14,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 09:45:14,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 09:45:14,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 09:45:14,694 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 4 states. [2018-12-31 09:45:15,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:15,110 INFO L93 Difference]: Finished difference Result 332 states and 448 transitions. [2018-12-31 09:45:15,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 09:45:15,111 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-12-31 09:45:15,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:15,113 INFO L225 Difference]: With dead ends: 332 [2018-12-31 09:45:15,113 INFO L226 Difference]: Without dead ends: 198 [2018-12-31 09:45:15,118 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 [2018-12-31 09:45:15,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-12-31 09:45:15,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 148. [2018-12-31 09:45:15,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-12-31 09:45:15,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 198 transitions. [2018-12-31 09:45:15,149 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 198 transitions. Word has length 34 [2018-12-31 09:45:15,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:15,149 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 198 transitions. [2018-12-31 09:45:15,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 09:45:15,150 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2018-12-31 09:45:15,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:45:15,154 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:15,155 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:45:15,155 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:15,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:15,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1250049609, now seen corresponding path program 1 times [2018-12-31 09:45:15,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:15,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:15,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:15,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:15,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:15,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:45:15,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:15,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:45:15,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:45:15,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:45:15,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:45:15,246 INFO L87 Difference]: Start difference. First operand 148 states and 198 transitions. Second operand 3 states. [2018-12-31 09:45:15,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:15,409 INFO L93 Difference]: Finished difference Result 340 states and 454 transitions. [2018-12-31 09:45:15,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:45:15,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-12-31 09:45:15,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:15,412 INFO L225 Difference]: With dead ends: 340 [2018-12-31 09:45:15,412 INFO L226 Difference]: Without dead ends: 198 [2018-12-31 09:45:15,413 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:45:15,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-12-31 09:45:15,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2018-12-31 09:45:15,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-12-31 09:45:15,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 258 transitions. [2018-12-31 09:45:15,445 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 258 transitions. Word has length 34 [2018-12-31 09:45:15,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:15,445 INFO L480 AbstractCegarLoop]: Abstraction has 198 states and 258 transitions. [2018-12-31 09:45:15,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:45:15,446 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 258 transitions. [2018-12-31 09:45:15,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-31 09:45:15,448 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:15,449 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:45:15,449 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:15,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:15,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1528481977, now seen corresponding path program 1 times [2018-12-31 09:45:15,449 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:15,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:15,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:15,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:15,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:15,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:45:15,840 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:45:15,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 09:45:15,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 09:45:15,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 09:45:15,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:45:15,841 INFO L87 Difference]: Start difference. First operand 198 states and 258 transitions. Second operand 6 states. [2018-12-31 09:45:17,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:17,220 INFO L93 Difference]: Finished difference Result 666 states and 866 transitions. [2018-12-31 09:45:17,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-31 09:45:17,221 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-12-31 09:45:17,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:17,225 INFO L225 Difference]: With dead ends: 666 [2018-12-31 09:45:17,225 INFO L226 Difference]: Without dead ends: 474 [2018-12-31 09:45:17,226 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2018-12-31 09:45:17,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2018-12-31 09:45:17,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 198. [2018-12-31 09:45:17,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-12-31 09:45:17,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 253 transitions. [2018-12-31 09:45:17,256 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 253 transitions. Word has length 35 [2018-12-31 09:45:17,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:17,258 INFO L480 AbstractCegarLoop]: Abstraction has 198 states and 253 transitions. [2018-12-31 09:45:17,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 09:45:17,258 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 253 transitions. [2018-12-31 09:45:17,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-31 09:45:17,261 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:45:17,261 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:45:17,261 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:45:17,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:45:17,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1889774882, now seen corresponding path program 1 times [2018-12-31 09:45:17,262 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:45:17,263 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:45:17,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:17,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:17,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:45:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:17,435 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-31 09:45:17,436 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 09:45:17,436 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-31 09:45:17,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:45:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:45:17,552 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 09:45:17,941 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-31 09:45:17,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-31 09:45:17,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-12-31 09:45:17,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-31 09:45:17,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-31 09:45:17,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-12-31 09:45:17,964 INFO L87 Difference]: Start difference. First operand 198 states and 253 transitions. Second operand 11 states. [2018-12-31 09:45:19,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:45:19,232 INFO L93 Difference]: Finished difference Result 518 states and 667 transitions. [2018-12-31 09:45:19,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-31 09:45:19,235 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2018-12-31 09:45:19,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:45:19,236 INFO L225 Difference]: With dead ends: 518 [2018-12-31 09:45:19,236 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:45:19,239 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2018-12-31 09:45:19,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:45:19,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:45:19,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:45:19,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:45:19,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2018-12-31 09:45:19,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:45:19,240 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:45:19,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-31 09:45:19,242 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:45:19,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:45:19,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:45:19,515 WARN L181 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2018-12-31 09:45:19,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:19,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:19,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:19,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:19,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:19,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:19,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:19,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:19,815 WARN L181 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 93 [2018-12-31 09:45:19,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:19,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:19,995 WARN L181 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 102 [2018-12-31 09:45:19,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:20,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:20,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:20,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:20,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:20,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:20,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:20,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:20,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:20,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:20,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:20,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:20,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:20,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:20,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:20,281 WARN L181 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 100 [2018-12-31 09:45:20,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:20,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:45:20,444 WARN L181 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 100 [2018-12-31 09:45:21,244 WARN L181 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 16 [2018-12-31 09:45:21,506 WARN L181 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 19 [2018-12-31 09:45:22,270 WARN L181 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 21 [2018-12-31 09:45:22,406 WARN L181 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 18 [2018-12-31 09:45:22,671 WARN L181 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 23 [2018-12-31 09:45:23,011 WARN L181 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 23 [2018-12-31 09:45:23,540 WARN L181 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 15 [2018-12-31 09:45:23,883 WARN L181 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 12 [2018-12-31 09:45:24,126 WARN L181 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 15 [2018-12-31 09:45:24,440 WARN L181 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 12 [2018-12-31 09:45:24,867 WARN L181 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 12 [2018-12-31 09:45:25,052 INFO L444 ceAbstractionStarter]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= ~systemActive~0 1))) (or (and (and .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse2) (and (and .cse0 .cse1 .cse3) .cse2) (and (and (and .cse1 .cse3) (= 1 ~methaneLevelCritical~0)) .cse2))) [2018-12-31 09:45:25,052 INFO L444 ceAbstractionStarter]: At program point L135-1(lines 135 141) the Hoare annotation is: false [2018-12-31 09:45:25,052 INFO L444 ceAbstractionStarter]: At program point L135-2(lines 135 141) the Hoare annotation is: false [2018-12-31 09:45:25,052 INFO L444 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: false [2018-12-31 09:45:25,052 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 504) no Hoare annotation was computed. [2018-12-31 09:45:25,052 INFO L448 ceAbstractionStarter]: For program point L500-3(lines 500 504) no Hoare annotation was computed. [2018-12-31 09:45:25,052 INFO L448 ceAbstractionStarter]: For program point L500-6(lines 500 504) no Hoare annotation was computed. [2018-12-31 09:45:25,053 INFO L444 ceAbstractionStarter]: At program point L335-2(lines 335 349) the Hoare annotation is: false [2018-12-31 09:45:25,053 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2018-12-31 09:45:25,053 INFO L448 ceAbstractionStarter]: For program point L336(line 336) no Hoare annotation was computed. [2018-12-31 09:45:25,053 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 309) no Hoare annotation was computed. [2018-12-31 09:45:25,053 INFO L448 ceAbstractionStarter]: For program point L305-2(lines 305 309) no Hoare annotation was computed. [2018-12-31 09:45:25,053 INFO L448 ceAbstractionStarter]: For program point L305-3(lines 305 309) no Hoare annotation was computed. [2018-12-31 09:45:25,053 INFO L448 ceAbstractionStarter]: For program point L305-5(lines 305 309) no Hoare annotation was computed. [2018-12-31 09:45:25,054 INFO L448 ceAbstractionStarter]: For program point L305-6(lines 305 309) no Hoare annotation was computed. [2018-12-31 09:45:25,054 INFO L448 ceAbstractionStarter]: For program point L305-8(lines 305 309) no Hoare annotation was computed. [2018-12-31 09:45:25,054 INFO L448 ceAbstractionStarter]: For program point L305-9(lines 305 309) no Hoare annotation was computed. [2018-12-31 09:45:25,054 INFO L448 ceAbstractionStarter]: For program point L305-11(lines 305 309) no Hoare annotation was computed. [2018-12-31 09:45:25,054 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2018-12-31 09:45:25,054 INFO L448 ceAbstractionStarter]: For program point L305-12(lines 305 309) no Hoare annotation was computed. [2018-12-31 09:45:25,054 INFO L448 ceAbstractionStarter]: For program point L305-14(lines 305 309) no Hoare annotation was computed. [2018-12-31 09:45:25,054 INFO L448 ceAbstractionStarter]: For program point L305-15(lines 305 309) no Hoare annotation was computed. [2018-12-31 09:45:25,055 INFO L448 ceAbstractionStarter]: For program point L305-17(lines 305 309) no Hoare annotation was computed. [2018-12-31 09:45:25,055 INFO L444 ceAbstractionStarter]: At program point L537(lines 532 540) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~systemActive~0 1))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (= 1 ~methaneLevelCritical~0)) (and (and (= 0 ~methaneLevelCritical~0) .cse0 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse1))) [2018-12-31 09:45:25,056 INFO L444 ceAbstractionStarter]: At program point L537-1(lines 532 540) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:45:25,056 INFO L444 ceAbstractionStarter]: At program point L537-2(lines 532 540) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~systemActive~0 1))) (or (and (and (= 0 ~methaneLevelCritical~0) .cse0 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) .cse2) (and (and .cse0 .cse1) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 (= 1 ~methaneLevelCritical~0)))) [2018-12-31 09:45:25,056 INFO L444 ceAbstractionStarter]: At program point L537-3(lines 532 540) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~systemActive~0 1))) (or (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (and .cse0 (= ~pumpRunning~0 0)) .cse1 (= 1 ~methaneLevelCritical~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2018-12-31 09:45:25,056 INFO L444 ceAbstractionStarter]: At program point L537-4(lines 532 540) the Hoare annotation is: false [2018-12-31 09:45:25,056 INFO L444 ceAbstractionStarter]: At program point L537-5(lines 532 540) the Hoare annotation is: false [2018-12-31 09:45:25,056 INFO L444 ceAbstractionStarter]: At program point L537-6(lines 532 540) the Hoare annotation is: false [2018-12-31 09:45:25,057 INFO L448 ceAbstractionStarter]: For program point L339(lines 339 343) no Hoare annotation was computed. [2018-12-31 09:45:25,057 INFO L444 ceAbstractionStarter]: At program point L537-7(lines 532 540) the Hoare annotation is: false [2018-12-31 09:45:25,057 INFO L448 ceAbstractionStarter]: For program point L339-1(lines 128 134) no Hoare annotation was computed. [2018-12-31 09:45:25,057 INFO L444 ceAbstractionStarter]: At program point L537-8(lines 532 540) the Hoare annotation is: false [2018-12-31 09:45:25,057 INFO L444 ceAbstractionStarter]: At program point L537-9(lines 532 540) the Hoare annotation is: false [2018-12-31 09:45:25,057 INFO L444 ceAbstractionStarter]: At program point L537-10(lines 532 540) the Hoare annotation is: false [2018-12-31 09:45:25,057 INFO L444 ceAbstractionStarter]: At program point L537-11(lines 532 540) the Hoare annotation is: false [2018-12-31 09:45:25,057 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-31 09:45:25,058 INFO L444 ceAbstractionStarter]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~systemActive~0 1))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0)))) [2018-12-31 09:45:25,060 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2018-12-31 09:45:25,060 INFO L448 ceAbstractionStarter]: For program point L475(lines 475 488) no Hoare annotation was computed. [2018-12-31 09:45:25,060 INFO L444 ceAbstractionStarter]: At program point L475-1(lines 1 952) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) .cse3) (and (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (and .cse1 .cse2) (= 1 ~methaneLevelCritical~0)) .cse3))) [2018-12-31 09:45:25,060 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 416) no Hoare annotation was computed. [2018-12-31 09:45:25,060 INFO L448 ceAbstractionStarter]: For program point L475-2(lines 475 488) no Hoare annotation was computed. [2018-12-31 09:45:25,060 INFO L444 ceAbstractionStarter]: At program point L475-3(lines 1 952) the Hoare annotation is: false [2018-12-31 09:45:25,061 INFO L451 ceAbstractionStarter]: At program point L409-1(lines 409 416) the Hoare annotation is: true [2018-12-31 09:45:25,061 INFO L448 ceAbstractionStarter]: For program point L475-4(lines 475 488) no Hoare annotation was computed. [2018-12-31 09:45:25,061 INFO L444 ceAbstractionStarter]: At program point L475-5(lines 1 952) the Hoare annotation is: false [2018-12-31 09:45:25,061 INFO L444 ceAbstractionStarter]: At program point L311(lines 296 314) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:45:25,061 INFO L444 ceAbstractionStarter]: At program point L311-1(lines 296 314) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (and (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) .cse2))) [2018-12-31 09:45:25,061 INFO L444 ceAbstractionStarter]: At program point L311-2(lines 296 314) the Hoare annotation is: false [2018-12-31 09:45:25,061 INFO L444 ceAbstractionStarter]: At program point L311-3(lines 296 314) the Hoare annotation is: false [2018-12-31 09:45:25,062 INFO L444 ceAbstractionStarter]: At program point L311-4(lines 296 314) the Hoare annotation is: false [2018-12-31 09:45:25,062 INFO L444 ceAbstractionStarter]: At program point L311-5(lines 296 314) the Hoare annotation is: false [2018-12-31 09:45:25,062 INFO L448 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2018-12-31 09:45:25,062 INFO L448 ceAbstractionStarter]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2018-12-31 09:45:25,062 INFO L448 ceAbstractionStarter]: For program point L577-2(lines 577 583) no Hoare annotation was computed. [2018-12-31 09:45:25,062 INFO L448 ceAbstractionStarter]: For program point L577-3(lines 577 583) no Hoare annotation was computed. [2018-12-31 09:45:25,062 INFO L444 ceAbstractionStarter]: At program point L445(lines 1 952) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:45:25,062 INFO L448 ceAbstractionStarter]: For program point L577-4(lines 577 583) no Hoare annotation was computed. [2018-12-31 09:45:25,062 INFO L448 ceAbstractionStarter]: For program point L577-5(lines 577 583) no Hoare annotation was computed. [2018-12-31 09:45:25,063 INFO L444 ceAbstractionStarter]: At program point L247(lines 240 250) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~systemActive~0 1))) (or (and (and (= 0 ~methaneLevelCritical~0) .cse0 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse1) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 (= 1 ~methaneLevelCritical~0)))) [2018-12-31 09:45:25,063 INFO L444 ceAbstractionStarter]: At program point L247-1(lines 240 250) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:45:25,063 INFO L444 ceAbstractionStarter]: At program point L247-2(lines 240 250) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~systemActive~0 1))) (or (and (and .cse0 .cse1) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2 (= 1 ~methaneLevelCritical~0)) (and (and (= 0 ~methaneLevelCritical~0) .cse0 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) .cse2))) [2018-12-31 09:45:25,063 INFO L444 ceAbstractionStarter]: At program point L247-3(lines 240 250) the Hoare annotation is: false [2018-12-31 09:45:25,063 INFO L444 ceAbstractionStarter]: At program point L247-4(lines 240 250) the Hoare annotation is: false [2018-12-31 09:45:25,063 INFO L444 ceAbstractionStarter]: At program point L247-5(lines 240 250) the Hoare annotation is: false [2018-12-31 09:45:25,063 INFO L444 ceAbstractionStarter]: At program point L247-6(lines 240 250) the Hoare annotation is: false [2018-12-31 09:45:25,064 INFO L444 ceAbstractionStarter]: At program point L247-7(lines 240 250) the Hoare annotation is: false [2018-12-31 09:45:25,064 INFO L444 ceAbstractionStarter]: At program point L247-8(lines 240 250) the Hoare annotation is: false [2018-12-31 09:45:25,064 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 516) no Hoare annotation was computed. [2018-12-31 09:45:25,064 INFO L448 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2018-12-31 09:45:25,064 INFO L448 ceAbstractionStarter]: For program point L479-2(lines 479 485) no Hoare annotation was computed. [2018-12-31 09:45:25,064 INFO L448 ceAbstractionStarter]: For program point L479-4(lines 479 485) no Hoare annotation was computed. [2018-12-31 09:45:25,064 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-12-31 09:45:25,065 INFO L444 ceAbstractionStarter]: At program point L383(lines 379 385) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:45:25,065 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:45:25,065 INFO L444 ceAbstractionStarter]: At program point L582(lines 573 586) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:45:25,065 INFO L444 ceAbstractionStarter]: At program point L582-1(lines 573 586) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~systemActive~0 1))) (or (and (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) .cse2) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2018-12-31 09:45:25,065 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 573 586) the Hoare annotation is: false [2018-12-31 09:45:25,065 INFO L444 ceAbstractionStarter]: At program point L582-3(lines 573 586) the Hoare annotation is: false [2018-12-31 09:45:25,065 INFO L444 ceAbstractionStarter]: At program point L582-4(lines 573 586) the Hoare annotation is: false [2018-12-31 09:45:25,066 INFO L444 ceAbstractionStarter]: At program point L582-5(lines 573 586) the Hoare annotation is: false [2018-12-31 09:45:25,066 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 203) no Hoare annotation was computed. [2018-12-31 09:45:25,066 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 186 203) no Hoare annotation was computed. [2018-12-31 09:45:25,066 INFO L448 ceAbstractionStarter]: For program point L186-2(lines 186 203) no Hoare annotation was computed. [2018-12-31 09:45:25,066 INFO L451 ceAbstractionStarter]: At program point L418(lines 399 421) the Hoare annotation is: true [2018-12-31 09:45:25,066 INFO L448 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-12-31 09:45:25,066 INFO L444 ceAbstractionStarter]: At program point L453(lines 448 456) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:45:25,067 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2018-12-31 09:45:25,067 INFO L448 ceAbstractionStarter]: For program point L222-2(lines 222 228) no Hoare annotation was computed. [2018-12-31 09:45:25,067 INFO L448 ceAbstractionStarter]: For program point L222-4(lines 222 228) no Hoare annotation was computed. [2018-12-31 09:45:25,067 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-12-31 09:45:25,067 INFO L448 ceAbstractionStarter]: For program point L222-6(lines 222 228) no Hoare annotation was computed. [2018-12-31 09:45:25,067 INFO L448 ceAbstractionStarter]: For program point L222-8(lines 222 228) no Hoare annotation was computed. [2018-12-31 09:45:25,067 INFO L448 ceAbstractionStarter]: For program point L222-10(lines 222 228) no Hoare annotation was computed. [2018-12-31 09:45:25,067 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:45:25,067 INFO L444 ceAbstractionStarter]: At program point L256(lines 251 259) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= 1 ~methaneLevelCritical~0)) [2018-12-31 09:45:25,068 INFO L444 ceAbstractionStarter]: At program point L256-1(lines 251 259) the Hoare annotation is: false [2018-12-31 09:45:25,068 INFO L448 ceAbstractionStarter]: For program point L190(lines 190 198) no Hoare annotation was computed. [2018-12-31 09:45:25,068 INFO L444 ceAbstractionStarter]: At program point L256-2(lines 251 259) the Hoare annotation is: false [2018-12-31 09:45:25,068 INFO L448 ceAbstractionStarter]: For program point L190-1(lines 190 198) no Hoare annotation was computed. [2018-12-31 09:45:25,068 INFO L448 ceAbstractionStarter]: For program point L190-2(lines 190 198) no Hoare annotation was computed. [2018-12-31 09:45:25,068 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2018-12-31 09:45:25,068 INFO L444 ceAbstractionStarter]: At program point L93-2(lines 128 134) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~systemActive~0 1))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0)))) [2018-12-31 09:45:25,068 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 177) no Hoare annotation was computed. [2018-12-31 09:45:25,069 INFO L448 ceAbstractionStarter]: For program point L160-1(lines 160 177) no Hoare annotation was computed. [2018-12-31 09:45:25,069 INFO L448 ceAbstractionStarter]: For program point L160-2(lines 160 177) no Hoare annotation was computed. [2018-12-31 09:45:25,069 INFO L448 ceAbstractionStarter]: For program point L160-3(lines 160 177) no Hoare annotation was computed. [2018-12-31 09:45:25,069 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:45:25,069 INFO L448 ceAbstractionStarter]: For program point L160-4(lines 160 177) no Hoare annotation was computed. [2018-12-31 09:45:25,069 INFO L448 ceAbstractionStarter]: For program point L160-5(lines 160 177) no Hoare annotation was computed. [2018-12-31 09:45:25,069 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 528) no Hoare annotation was computed. [2018-12-31 09:45:25,069 INFO L444 ceAbstractionStarter]: At program point L128(lines 127 146) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~systemActive~0 1))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0)))) [2018-12-31 09:45:25,070 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2018-12-31 09:45:25,070 INFO L444 ceAbstractionStarter]: At program point L128-2(lines 127 146) the Hoare annotation is: false [2018-12-31 09:45:25,070 INFO L444 ceAbstractionStarter]: At program point L128-3(lines 127 146) the Hoare annotation is: false [2018-12-31 09:45:25,070 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 172) no Hoare annotation was computed. [2018-12-31 09:45:25,070 INFO L448 ceAbstractionStarter]: For program point L164-1(lines 164 172) no Hoare annotation was computed. [2018-12-31 09:45:25,070 INFO L448 ceAbstractionStarter]: For program point L164-2(lines 164 172) no Hoare annotation was computed. [2018-12-31 09:45:25,070 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-12-31 09:45:25,070 INFO L448 ceAbstractionStarter]: For program point L164-3(lines 164 172) no Hoare annotation was computed. [2018-12-31 09:45:25,071 INFO L444 ceAbstractionStarter]: At program point L65-1(lines 65 71) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) .cse3) (and (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (and .cse1 .cse2) (= 1 ~methaneLevelCritical~0)) .cse3))) [2018-12-31 09:45:25,071 INFO L448 ceAbstractionStarter]: For program point L164-4(lines 164 172) no Hoare annotation was computed. [2018-12-31 09:45:25,071 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:45:25,071 INFO L448 ceAbstractionStarter]: For program point L164-5(lines 164 172) no Hoare annotation was computed. [2018-12-31 09:45:25,071 INFO L448 ceAbstractionStarter]: For program point L462(line 462) no Hoare annotation was computed. [2018-12-31 09:45:25,071 INFO L448 ceAbstractionStarter]: For program point L462-1(line 462) no Hoare annotation was computed. [2018-12-31 09:45:25,071 INFO L448 ceAbstractionStarter]: For program point L462-2(line 462) no Hoare annotation was computed. [2018-12-31 09:45:25,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:45:25 BoogieIcfgContainer [2018-12-31 09:45:25,110 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:45:25,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:45:25,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:45:25,112 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:45:25,112 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:45:10" (3/4) ... [2018-12-31 09:45:25,117 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:45:25,157 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:45:25,162 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-31 09:45:25,165 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 09:45:25,166 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 09:45:25,169 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:45:25,170 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:45:25,209 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || ((((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && tmp == 0) && systemActive == 1)) || (((1 == \result && splverifierCounter == 0 && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1) [2018-12-31 09:45:25,211 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || ((((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && tmp == 0) && systemActive == 1)) || (((1 == \result && splverifierCounter == 0 && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1) [2018-12-31 09:45:25,213 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || (((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1) [2018-12-31 09:45:25,217 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == \result && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && 1 == methaneLevelCritical) || (((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && systemActive == 1) [2018-12-31 09:45:25,219 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) || (((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && systemActive == 1) [2018-12-31 09:45:25,220 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || ((((splverifierCounter == 0 && 1 == \result) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) [2018-12-31 09:45:25,221 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == \result && splverifierCounter == 0) && 1 == \result) && pumpRunning == 0) && systemActive == 1) && 1 == methaneLevelCritical [2018-12-31 09:45:25,225 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1 [2018-12-31 09:45:25,229 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) [2018-12-31 09:45:25,229 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1 [2018-12-31 09:45:25,230 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == \result) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) || ((((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:45:25,237 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1 [2018-12-31 09:45:25,237 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1 [2018-12-31 09:45:25,371 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:45:25,371 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:45:25,372 INFO L168 Benchmark]: Toolchain (without parser) took 17450.51 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 294.6 MB). Free memory was 951.4 MB in the beginning and 859.0 MB in the end (delta: 92.3 MB). Peak memory consumption was 387.0 MB. Max. memory is 11.5 GB. [2018-12-31 09:45:25,373 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:45:25,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:45:25,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.82 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-31 09:45:25,376 INFO L168 Benchmark]: Boogie Preprocessor took 49.98 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 09:45:25,376 INFO L168 Benchmark]: RCFGBuilder took 1586.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:45:25,376 INFO L168 Benchmark]: TraceAbstraction took 14700.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 153.1 MB). Free memory was 1.1 GB in the beginning and 868.1 MB in the end (delta: 188.6 MB). Peak memory consumption was 348.1 MB. Max. memory is 11.5 GB. [2018-12-31 09:45:25,377 INFO L168 Benchmark]: Witness Printer took 260.99 ms. Allocated memory is still 1.3 GB. Free memory was 868.1 MB in the beginning and 859.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2018-12-31 09:45:25,382 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 751.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.82 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.98 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 1586.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14700.07 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 153.1 MB). Free memory was 1.1 GB in the beginning and 868.1 MB in the end (delta: 188.6 MB). Peak memory consumption was 348.1 MB. Max. memory is 11.5 GB. * Witness Printer took 260.99 ms. Allocated memory is still 1.3 GB. Free memory was 868.1 MB in the beginning and 859.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 462]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 462]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 462]: 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: 532]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) || (((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && systemActive == 1) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || (((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((1 == \result && splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && 1 == methaneLevelCritical) || (((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && systemActive == 1) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && waterLevel == 1) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || ((((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && tmp == 0) && systemActive == 1)) || (((1 == \result && splverifierCounter == 0 && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && waterLevel == 1) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || ((((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && tmp == 0) && systemActive == 1)) || (((1 == \result && splverifierCounter == 0 && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && 1 == methaneLevelCritical) || (((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && splverifierCounter == 0) && systemActive == 1) || ((splverifierCounter == 0 && systemActive == 1) && 1 == methaneLevelCritical) - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((((0 == \result && splverifierCounter == 0) && 1 == \result) && pumpRunning == 0) && systemActive == 1) && 1 == methaneLevelCritical - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && systemActive == 1) && 1 == methaneLevelCritical) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && splverifierCounter == 0) && systemActive == 1) || ((splverifierCounter == 0 && systemActive == 1) && 1 == methaneLevelCritical) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && splverifierCounter == 0) && systemActive == 1) || ((splverifierCounter == 0 && systemActive == 1) && 1 == methaneLevelCritical) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == \result) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) || ((((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && waterLevel == 1) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || ((((splverifierCounter == 0 && 1 == \result) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 3 error locations. SAFE Result, 14.5s OverallTime, 11 OverallIterations, 2 TraceHistogramMax, 5.8s AutomataDifference, 0.0s DeadEndRemovalTime, 5.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1231 SDtfs, 1693 SDslu, 2378 SDs, 0 SdLazy, 407 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred 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: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 781 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 211 NumberOfFragments, 584 HoareAnnotationTreeSize, 55 FomulaSimplifications, 326408 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 55 FomulaSimplificationsInter, 116481 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 385 NumberOfCodeBlocks, 385 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 373 ConstructedInterpolants, 0 QuantifiedInterpolants, 22612 SizeOfPredicates, 6 NumberOfNonLiveVariables, 416 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 26/28 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...