./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product37_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_spec2_product37_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 3f8c4eddf293b722c8b0f77d2921f647762d8744 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:46:42,226 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:46:42,228 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:46:42,241 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:46:42,241 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:46:42,242 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:46:42,244 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:46:42,246 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:46:42,249 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:46:42,249 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:46:42,250 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:46:42,251 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:46:42,252 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:46:42,253 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:46:42,254 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:46:42,255 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:46:42,256 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:46:42,259 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:46:42,261 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:46:42,263 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:46:42,264 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:46:42,265 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:46:42,268 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:46:42,269 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:46:42,269 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:46:42,270 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:46:42,272 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:46:42,272 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:46:42,273 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:46:42,275 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:46:42,275 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:46:42,276 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:46:42,277 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:46:42,277 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:46:42,279 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:46:42,279 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:46:42,280 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:46:42,296 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:46:42,296 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:46:42,297 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:46:42,298 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:46:42,298 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:46:42,298 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:46:42,298 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:46:42,299 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:46:42,300 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:46:42,300 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:46:42,300 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:46:42,300 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:46:42,300 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:46:42,301 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:46:42,301 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:46:42,302 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:46:42,302 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:46:42,302 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:46:42,302 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:46:42,302 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:46:42,303 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:46:42,303 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:46:42,303 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:46:42,303 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:46:42,303 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:46:42,303 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:46:42,304 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:46:42,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:46:42,305 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 -> 3f8c4eddf293b722c8b0f77d2921f647762d8744 [2018-12-31 09:46:42,347 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:46:42,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:46:42,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:46:42,373 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:46:42,373 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:46:42,374 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-12-31 09:46:42,439 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8600976d8/95443aa20f314cd08689e7e4fbd906ac/FLAG9cca7b8cc [2018-12-31 09:46:42,985 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:46:42,986 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-12-31 09:46:43,001 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8600976d8/95443aa20f314cd08689e7e4fbd906ac/FLAG9cca7b8cc [2018-12-31 09:46:43,278 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8600976d8/95443aa20f314cd08689e7e4fbd906ac [2018-12-31 09:46:43,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:46:43,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:46:43,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:46:43,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:46:43,291 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:46:43,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:46:43" (1/1) ... [2018-12-31 09:46:43,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52869081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:43, skipping insertion in model container [2018-12-31 09:46:43,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:46:43" (1/1) ... [2018-12-31 09:46:43,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:46:43,362 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:46:43,763 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:46:43,796 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:46:43,911 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:46:44,031 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:46:44,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:44 WrapperNode [2018-12-31 09:46:44,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:46:44,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:46:44,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:46:44,033 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:46:44,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:44" (1/1) ... [2018-12-31 09:46:44,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:44" (1/1) ... [2018-12-31 09:46:44,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:46:44,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:46:44,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:46:44,111 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:46:44,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:44" (1/1) ... [2018-12-31 09:46:44,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:44" (1/1) ... [2018-12-31 09:46:44,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:44" (1/1) ... [2018-12-31 09:46:44,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:44" (1/1) ... [2018-12-31 09:46:44,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:44" (1/1) ... [2018-12-31 09:46:44,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:44" (1/1) ... [2018-12-31 09:46:44,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:44" (1/1) ... [2018-12-31 09:46:44,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:46:44,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:46:44,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:46:44,166 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:46:44,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:44" (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 09:46:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:46:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:46:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:46:44,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:46:45,689 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:46:45,689 INFO L280 CfgBuilder]: Removed 158 assue(true) statements. [2018-12-31 09:46:45,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:46:45 BoogieIcfgContainer [2018-12-31 09:46:45,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:46:45,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:46:45,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:46:45,695 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:46:45,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:46:43" (1/3) ... [2018-12-31 09:46:45,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ff79f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:46:45, skipping insertion in model container [2018-12-31 09:46:45,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:46:44" (2/3) ... [2018-12-31 09:46:45,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ff79f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:46:45, skipping insertion in model container [2018-12-31 09:46:45,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:46:45" (3/3) ... [2018-12-31 09:46:45,699 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-12-31 09:46:45,710 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:46:45,723 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:46:45,742 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:46:45,777 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:46:45,777 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:46:45,778 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:46:45,778 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:46:45,778 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:46:45,778 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:46:45,778 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:46:45,778 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:46:45,779 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:46:45,798 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2018-12-31 09:46:45,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-31 09:46:45,806 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:45,807 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:46:45,810 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:45,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:45,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1765894020, now seen corresponding path program 1 times [2018-12-31 09:46:45,820 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:45,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:45,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:45,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:45,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:46,129 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 09:46:46,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:46,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:46:46,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:46:46,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:46:46,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:46:46,152 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2018-12-31 09:46:46,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:46,188 INFO L93 Difference]: Finished difference Result 223 states and 342 transitions. [2018-12-31 09:46:46,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:46:46,190 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-31 09:46:46,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:46,206 INFO L225 Difference]: With dead ends: 223 [2018-12-31 09:46:46,207 INFO L226 Difference]: Without dead ends: 111 [2018-12-31 09:46:46,211 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 09:46:46,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-12-31 09:46:46,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-12-31 09:46:46,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-12-31 09:46:46,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2018-12-31 09:46:46,263 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 18 [2018-12-31 09:46:46,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:46,263 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2018-12-31 09:46:46,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:46:46,264 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2018-12-31 09:46:46,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-31 09:46:46,265 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:46,265 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:46:46,266 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:46,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:46,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1547058051, now seen corresponding path program 1 times [2018-12-31 09:46:46,267 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:46,267 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:46,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:46,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:46,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:46,426 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 09:46:46,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:46,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:46:46,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:46:46,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:46:46,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:46:46,429 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand 3 states. [2018-12-31 09:46:46,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:46,457 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2018-12-31 09:46:46,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:46:46,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-12-31 09:46:46,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:46,459 INFO L225 Difference]: With dead ends: 111 [2018-12-31 09:46:46,459 INFO L226 Difference]: Without dead ends: 47 [2018-12-31 09:46:46,461 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 09:46:46,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-31 09:46:46,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-12-31 09:46:46,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-31 09:46:46,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2018-12-31 09:46:46,469 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2018-12-31 09:46:46,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:46,469 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2018-12-31 09:46:46,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:46:46,469 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2018-12-31 09:46:46,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:46:46,470 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:46,471 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 09:46:46,472 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:46,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:46,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1303013450, now seen corresponding path program 1 times [2018-12-31 09:46:46,473 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:46,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:46,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:46,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:46,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:46,638 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 09:46:46,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:46,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:46:46,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:46:46,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:46:46,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:46:46,640 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2018-12-31 09:46:46,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:46,675 INFO L93 Difference]: Finished difference Result 87 states and 129 transitions. [2018-12-31 09:46:46,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:46:46,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-31 09:46:46,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:46,681 INFO L225 Difference]: With dead ends: 87 [2018-12-31 09:46:46,681 INFO L226 Difference]: Without dead ends: 47 [2018-12-31 09:46:46,682 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 09:46:46,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-31 09:46:46,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-12-31 09:46:46,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-31 09:46:46,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2018-12-31 09:46:46,690 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2018-12-31 09:46:46,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:46,690 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2018-12-31 09:46:46,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:46:46,690 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2018-12-31 09:46:46,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-31 09:46:46,692 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:46,692 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:46:46,693 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:46,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:46,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1055953523, now seen corresponding path program 1 times [2018-12-31 09:46:46,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:46,694 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:46,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:46,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:46,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:46,794 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 09:46:46,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:46,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:46:46,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:46:46,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:46:46,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:46:46,796 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2018-12-31 09:46:46,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:46,866 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2018-12-31 09:46:46,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:46:46,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-12-31 09:46:46,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:46,868 INFO L225 Difference]: With dead ends: 109 [2018-12-31 09:46:46,868 INFO L226 Difference]: Without dead ends: 69 [2018-12-31 09:46:46,869 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 09:46:46,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-31 09:46:46,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2018-12-31 09:46:46,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-12-31 09:46:46,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2018-12-31 09:46:46,878 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 26 [2018-12-31 09:46:46,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:46,879 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2018-12-31 09:46:46,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:46:46,879 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2018-12-31 09:46:46,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-31 09:46:46,880 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:46,880 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] [2018-12-31 09:46:46,881 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:46,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:46,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1518849596, now seen corresponding path program 1 times [2018-12-31 09:46:46,881 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:46,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:46,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:46,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:46,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:47,038 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 09:46:47,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:47,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:46:47,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:46:47,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:46:47,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:46:47,040 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand 5 states. [2018-12-31 09:46:47,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:47,191 INFO L93 Difference]: Finished difference Result 178 states and 252 transitions. [2018-12-31 09:46:47,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:46:47,192 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-12-31 09:46:47,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:47,194 INFO L225 Difference]: With dead ends: 178 [2018-12-31 09:46:47,194 INFO L226 Difference]: Without dead ends: 118 [2018-12-31 09:46:47,195 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:46:47,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-12-31 09:46:47,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 73. [2018-12-31 09:46:47,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-12-31 09:46:47,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2018-12-31 09:46:47,207 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 32 [2018-12-31 09:46:47,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:47,207 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2018-12-31 09:46:47,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:46:47,208 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2018-12-31 09:46:47,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-31 09:46:47,209 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:47,209 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] [2018-12-31 09:46:47,209 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:47,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:47,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1842653991, now seen corresponding path program 1 times [2018-12-31 09:46:47,210 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:47,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:47,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:47,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:47,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:47,477 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 09:46:47,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:47,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:46:47,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:46:47,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:46:47,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:46:47,481 INFO L87 Difference]: Start difference. First operand 73 states and 101 transitions. Second operand 5 states. [2018-12-31 09:46:48,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:48,319 INFO L93 Difference]: Finished difference Result 349 states and 492 transitions. [2018-12-31 09:46:48,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-31 09:46:48,320 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-12-31 09:46:48,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:48,322 INFO L225 Difference]: With dead ends: 349 [2018-12-31 09:46:48,323 INFO L226 Difference]: Without dead ends: 283 [2018-12-31 09:46:48,324 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 09:46:48,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-12-31 09:46:48,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 131. [2018-12-31 09:46:48,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-31 09:46:48,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 180 transitions. [2018-12-31 09:46:48,366 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 180 transitions. Word has length 32 [2018-12-31 09:46:48,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:48,366 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 180 transitions. [2018-12-31 09:46:48,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:46:48,367 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 180 transitions. [2018-12-31 09:46:48,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-31 09:46:48,370 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:48,371 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] [2018-12-31 09:46:48,371 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:48,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:48,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1842810527, now seen corresponding path program 1 times [2018-12-31 09:46:48,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:48,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:48,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:48,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:48,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:48,727 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 09:46:48,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:48,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:46:48,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:46:48,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:46:48,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:46:48,734 INFO L87 Difference]: Start difference. First operand 131 states and 180 transitions. Second operand 5 states. [2018-12-31 09:46:49,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:49,525 INFO L93 Difference]: Finished difference Result 490 states and 677 transitions. [2018-12-31 09:46:49,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:46:49,528 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2018-12-31 09:46:49,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:49,530 INFO L225 Difference]: With dead ends: 490 [2018-12-31 09:46:49,530 INFO L226 Difference]: Without dead ends: 366 [2018-12-31 09:46:49,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 09:46:49,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-12-31 09:46:49,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 130. [2018-12-31 09:46:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-12-31 09:46:49,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 177 transitions. [2018-12-31 09:46:49,570 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 177 transitions. Word has length 33 [2018-12-31 09:46:49,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:49,570 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 177 transitions. [2018-12-31 09:46:49,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:46:49,570 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2018-12-31 09:46:49,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-31 09:46:49,573 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:49,573 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] [2018-12-31 09:46:49,574 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:49,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:49,575 INFO L82 PathProgramCache]: Analyzing trace with hash -2075209658, now seen corresponding path program 1 times [2018-12-31 09:46:49,575 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:49,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:49,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:49,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:49,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:49,710 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 09:46:49,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:49,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:46:49,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:46:49,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:46:49,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:46:49,713 INFO L87 Difference]: Start difference. First operand 130 states and 177 transitions. Second operand 5 states. [2018-12-31 09:46:49,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:49,976 INFO L93 Difference]: Finished difference Result 349 states and 471 transitions. [2018-12-31 09:46:49,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:46:49,979 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2018-12-31 09:46:49,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:49,981 INFO L225 Difference]: With dead ends: 349 [2018-12-31 09:46:49,981 INFO L226 Difference]: Without dead ends: 226 [2018-12-31 09:46:49,983 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:46:49,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-12-31 09:46:50,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 138. [2018-12-31 09:46:50,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-12-31 09:46:50,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2018-12-31 09:46:50,013 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 33 [2018-12-31 09:46:50,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:50,013 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2018-12-31 09:46:50,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:46:50,015 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2018-12-31 09:46:50,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-31 09:46:50,016 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:50,016 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] [2018-12-31 09:46:50,018 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:50,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:50,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1632951624, now seen corresponding path program 1 times [2018-12-31 09:46:50,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:50,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:50,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:50,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:50,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:50,121 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 09:46:50,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:50,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:46:50,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:46:50,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:46:50,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:46:50,124 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand 3 states. [2018-12-31 09:46:50,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:50,291 INFO L93 Difference]: Finished difference Result 319 states and 427 transitions. [2018-12-31 09:46:50,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:46:50,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-12-31 09:46:50,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:50,295 INFO L225 Difference]: With dead ends: 319 [2018-12-31 09:46:50,295 INFO L226 Difference]: Without dead ends: 188 [2018-12-31 09:46:50,295 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 09:46:50,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-12-31 09:46:50,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2018-12-31 09:46:50,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-12-31 09:46:50,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 245 transitions. [2018-12-31 09:46:50,328 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 245 transitions. Word has length 33 [2018-12-31 09:46:50,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:50,330 INFO L480 AbstractCegarLoop]: Abstraction has 188 states and 245 transitions. [2018-12-31 09:46:50,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:46:50,330 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2018-12-31 09:46:50,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:46:50,334 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:50,334 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 09:46:50,335 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:50,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:50,335 INFO L82 PathProgramCache]: Analyzing trace with hash -767383544, now seen corresponding path program 1 times [2018-12-31 09:46:50,335 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:50,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:50,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:50,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:50,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:50,423 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 09:46:50,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:50,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:46:50,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:46:50,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:46:50,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:46:50,425 INFO L87 Difference]: Start difference. First operand 188 states and 245 transitions. Second operand 3 states. [2018-12-31 09:46:50,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:50,590 INFO L93 Difference]: Finished difference Result 287 states and 377 transitions. [2018-12-31 09:46:50,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:46:50,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2018-12-31 09:46:50,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:50,595 INFO L225 Difference]: With dead ends: 287 [2018-12-31 09:46:50,595 INFO L226 Difference]: Without dead ends: 285 [2018-12-31 09:46:50,596 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 09:46:50,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-12-31 09:46:50,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 228. [2018-12-31 09:46:50,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-12-31 09:46:50,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 304 transitions. [2018-12-31 09:46:50,633 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 304 transitions. Word has length 34 [2018-12-31 09:46:50,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:50,637 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 304 transitions. [2018-12-31 09:46:50,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:46:50,638 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 304 transitions. [2018-12-31 09:46:50,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-31 09:46:50,639 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:50,639 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:46:50,640 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:50,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:50,644 INFO L82 PathProgramCache]: Analyzing trace with hash 12630167, now seen corresponding path program 1 times [2018-12-31 09:46:50,644 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:50,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:50,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:50,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:50,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:51,031 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-31 09:46:51,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:46:51,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 09:46:51,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 09:46:51,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 09:46:51,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:46:51,036 INFO L87 Difference]: Start difference. First operand 228 states and 304 transitions. Second operand 6 states. [2018-12-31 09:46:52,182 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-31 09:46:52,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:52,565 INFO L93 Difference]: Finished difference Result 720 states and 968 transitions. [2018-12-31 09:46:52,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-31 09:46:52,566 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2018-12-31 09:46:52,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:52,570 INFO L225 Difference]: With dead ends: 720 [2018-12-31 09:46:52,571 INFO L226 Difference]: Without dead ends: 499 [2018-12-31 09:46:52,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-12-31 09:46:52,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2018-12-31 09:46:52,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 205. [2018-12-31 09:46:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-12-31 09:46:52,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 267 transitions. [2018-12-31 09:46:52,607 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 267 transitions. Word has length 56 [2018-12-31 09:46:52,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:52,607 INFO L480 AbstractCegarLoop]: Abstraction has 205 states and 267 transitions. [2018-12-31 09:46:52,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 09:46:52,607 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 267 transitions. [2018-12-31 09:46:52,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-31 09:46:52,608 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:46:52,608 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:46:52,608 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:46:52,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:46:52,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1600290606, now seen corresponding path program 1 times [2018-12-31 09:46:52,610 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:46:52,610 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:46:52,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:52,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:52,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:46:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:52,757 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:46:52,758 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 09:46:52,758 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 09:46:52,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:46:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:46:52,885 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 09:46:53,005 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:46:53,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-31 09:46:53,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-12-31 09:46:53,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:46:53,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:46:53,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:46:53,044 INFO L87 Difference]: Start difference. First operand 205 states and 267 transitions. Second operand 5 states. [2018-12-31 09:46:53,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:46:53,414 INFO L93 Difference]: Finished difference Result 325 states and 432 transitions. [2018-12-31 09:46:53,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 09:46:53,415 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2018-12-31 09:46:53,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:46:53,416 INFO L225 Difference]: With dead ends: 325 [2018-12-31 09:46:53,416 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:46:53,418 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:46:53,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:46:53,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:46:53,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:46:53,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:46:53,420 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-12-31 09:46:53,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:46:53,420 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:46:53,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:46:53,420 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:46:53,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:46:53,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:46:53,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:53,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:53,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:53,550 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 49 [2018-12-31 09:46:53,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:53,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:53,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:53,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:53,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:53,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:53,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:53,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:53,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:53,863 WARN L181 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 65 [2018-12-31 09:46:53,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:53,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:53,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:53,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:53,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:53,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:53,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:54,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:54,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:54,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:46:54,303 WARN L181 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-12-31 09:46:56,419 WARN L181 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2018-12-31 09:46:57,115 WARN L181 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 22 [2018-12-31 09:46:57,463 WARN L181 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 27 [2018-12-31 09:46:57,740 WARN L181 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2018-12-31 09:46:57,942 WARN L181 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 25 [2018-12-31 09:46:58,484 WARN L181 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2018-12-31 09:46:58,774 WARN L181 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 22 [2018-12-31 09:46:58,880 WARN L181 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 21 [2018-12-31 09:46:59,186 WARN L181 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 26 [2018-12-31 09:46:59,190 INFO L444 ceAbstractionStarter]: At program point L168(lines 163 171) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= ~systemActive~0 1)) (.cse2 (= 1 ~methaneLevelCritical~0))) (or (and (and (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse0 (= ~pumpRunning~0 0)) .cse1 .cse2) .cse3) (and (<= 1 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) .cse0 .cse1 .cse3 .cse2))) [2018-12-31 09:46:59,191 INFO L444 ceAbstractionStarter]: At program point L168-1(lines 163 171) the Hoare annotation is: false [2018-12-31 09:46:59,191 INFO L444 ceAbstractionStarter]: At program point L168-2(lines 163 171) the Hoare annotation is: false [2018-12-31 09:46:59,191 INFO L444 ceAbstractionStarter]: At program point L928(lines 1 939) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:46:59,191 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 371) no Hoare annotation was computed. [2018-12-31 09:46:59,191 INFO L448 ceAbstractionStarter]: For program point L435(line 435) no Hoare annotation was computed. [2018-12-31 09:46:59,192 INFO L448 ceAbstractionStarter]: For program point L435-1(line 435) no Hoare annotation was computed. [2018-12-31 09:46:59,192 INFO L448 ceAbstractionStarter]: For program point L435-2(line 435) no Hoare annotation was computed. [2018-12-31 09:46:59,192 INFO L444 ceAbstractionStarter]: At program point L303(lines 298 305) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:46:59,192 INFO L444 ceAbstractionStarter]: At program point L865(lines 861 867) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:46:59,192 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 282) no Hoare annotation was computed. [2018-12-31 09:46:59,192 INFO L451 ceAbstractionStarter]: At program point L901(lines 882 904) the Hoare annotation is: true [2018-12-31 09:46:59,192 INFO L448 ceAbstractionStarter]: For program point L242(lines 241 286) no Hoare annotation was computed. [2018-12-31 09:46:59,192 INFO L444 ceAbstractionStarter]: At program point L936(lines 931 939) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:46:59,192 INFO L448 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2018-12-31 09:46:59,192 INFO L448 ceAbstractionStarter]: For program point L343(lines 343 347) no Hoare annotation was computed. [2018-12-31 09:46:59,196 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 281) no Hoare annotation was computed. [2018-12-31 09:46:59,196 INFO L448 ceAbstractionStarter]: For program point L343-3(lines 343 347) no Hoare annotation was computed. [2018-12-31 09:46:59,196 INFO L448 ceAbstractionStarter]: For program point L277-2(lines 57 63) no Hoare annotation was computed. [2018-12-31 09:46:59,196 INFO L448 ceAbstractionStarter]: For program point L343-6(lines 343 347) no Hoare annotation was computed. [2018-12-31 09:46:59,196 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 132) no Hoare annotation was computed. [2018-12-31 09:46:59,197 INFO L448 ceAbstractionStarter]: For program point L115-1(lines 115 132) no Hoare annotation was computed. [2018-12-31 09:46:59,198 INFO L448 ceAbstractionStarter]: For program point L115-2(lines 115 132) no Hoare annotation was computed. [2018-12-31 09:46:59,198 INFO L444 ceAbstractionStarter]: At program point L380(lines 375 383) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 (and (= 0 ~methaneLevelCritical~0) .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse2) (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 (= 1 ~methaneLevelCritical~0)))) [2018-12-31 09:46:59,198 INFO L444 ceAbstractionStarter]: At program point L380-1(lines 375 383) the Hoare annotation is: (let ((.cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse2 .cse3 .cse4) (and (and (and .cse1 .cse5) .cse2 .cse4) .cse3) (and .cse0 (and .cse6 .cse1 .cse7) .cse3) (and (and .cse6 .cse1 .cse7 .cse5) .cse3))) [2018-12-31 09:46:59,199 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 331) no Hoare annotation was computed. [2018-12-31 09:46:59,199 INFO L444 ceAbstractionStarter]: At program point L380-2(lines 375 383) the Hoare annotation is: false [2018-12-31 09:46:59,199 INFO L444 ceAbstractionStarter]: At program point L314-1(lines 1 939) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= ~systemActive~0 1)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and (and .cse0 .cse1 (and .cse2 .cse3) .cse4) .cse5) (and .cse0 (and .cse6 .cse2 .cse3) .cse5) (and .cse7 .cse0 .cse6 .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~4 0) .cse5) (and .cse7 .cse2 .cse1 .cse5 .cse4))) [2018-12-31 09:46:59,199 INFO L444 ceAbstractionStarter]: At program point L380-3(lines 375 383) the Hoare annotation is: false [2018-12-31 09:46:59,199 INFO L448 ceAbstractionStarter]: For program point L314-2(lines 314 331) no Hoare annotation was computed. [2018-12-31 09:46:59,199 INFO L444 ceAbstractionStarter]: At program point L380-4(lines 375 383) the Hoare annotation is: false [2018-12-31 09:46:59,199 INFO L444 ceAbstractionStarter]: At program point L314-3(lines 1 939) the Hoare annotation is: false [2018-12-31 09:46:59,199 INFO L444 ceAbstractionStarter]: At program point L380-5(lines 375 383) the Hoare annotation is: false [2018-12-31 09:46:59,199 INFO L448 ceAbstractionStarter]: For program point L314-4(lines 314 331) no Hoare annotation was computed. [2018-12-31 09:46:59,203 INFO L444 ceAbstractionStarter]: At program point L314-5(lines 1 939) the Hoare annotation is: false [2018-12-31 09:46:59,203 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 221) no Hoare annotation was computed. [2018-12-31 09:46:59,203 INFO L448 ceAbstractionStarter]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2018-12-31 09:46:59,203 INFO L448 ceAbstractionStarter]: For program point L217-3(lines 217 221) no Hoare annotation was computed. [2018-12-31 09:46:59,203 INFO L448 ceAbstractionStarter]: For program point L217-5(lines 217 221) no Hoare annotation was computed. [2018-12-31 09:46:59,205 INFO L448 ceAbstractionStarter]: For program point L217-6(lines 217 221) no Hoare annotation was computed. [2018-12-31 09:46:59,205 INFO L448 ceAbstractionStarter]: For program point L217-8(lines 217 221) no Hoare annotation was computed. [2018-12-31 09:46:59,205 INFO L448 ceAbstractionStarter]: For program point L217-9(lines 217 221) no Hoare annotation was computed. [2018-12-31 09:46:59,205 INFO L448 ceAbstractionStarter]: For program point L217-11(lines 217 221) no Hoare annotation was computed. [2018-12-31 09:46:59,205 INFO L448 ceAbstractionStarter]: For program point L217-12(lines 217 221) no Hoare annotation was computed. [2018-12-31 09:46:59,205 INFO L448 ceAbstractionStarter]: For program point L217-14(lines 217 221) no Hoare annotation was computed. [2018-12-31 09:46:59,205 INFO L448 ceAbstractionStarter]: For program point L217-15(lines 217 221) no Hoare annotation was computed. [2018-12-31 09:46:59,205 INFO L448 ceAbstractionStarter]: For program point L217-17(lines 217 221) no Hoare annotation was computed. [2018-12-31 09:46:59,205 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:46:59,206 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2018-12-31 09:46:59,206 INFO L444 ceAbstractionStarter]: At program point L251-1(lines 251 257) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= ~systemActive~0 1)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and (and .cse0 .cse1 (and .cse2 .cse3) .cse4) .cse5) (and .cse0 (and .cse6 .cse2 .cse3) .cse5) (and .cse7 .cse0 .cse6 .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~4 0) .cse5) (and .cse7 .cse2 .cse1 .cse5 .cse4))) [2018-12-31 09:46:59,206 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2018-12-31 09:46:59,206 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 127) no Hoare annotation was computed. [2018-12-31 09:46:59,206 INFO L448 ceAbstractionStarter]: For program point L119-1(lines 119 127) no Hoare annotation was computed. [2018-12-31 09:46:59,206 INFO L448 ceAbstractionStarter]: For program point L119-2(lines 119 127) no Hoare annotation was computed. [2018-12-31 09:46:59,206 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 328) no Hoare annotation was computed. [2018-12-31 09:46:59,206 INFO L448 ceAbstractionStarter]: For program point L318-2(lines 318 328) no Hoare annotation was computed. [2018-12-31 09:46:59,206 INFO L448 ceAbstractionStarter]: For program point L318-4(lines 318 328) no Hoare annotation was computed. [2018-12-31 09:46:59,210 INFO L448 ceAbstractionStarter]: For program point L319(lines 319 325) no Hoare annotation was computed. [2018-12-31 09:46:59,210 INFO L448 ceAbstractionStarter]: For program point L319-2(lines 319 325) no Hoare annotation was computed. [2018-12-31 09:46:59,210 INFO L448 ceAbstractionStarter]: For program point L319-4(lines 319 325) no Hoare annotation was computed. [2018-12-31 09:46:59,210 INFO L444 ceAbstractionStarter]: At program point L287(lines 240 288) the Hoare annotation is: false [2018-12-31 09:46:59,210 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2018-12-31 09:46:59,210 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 89 106) no Hoare annotation was computed. [2018-12-31 09:46:59,210 INFO L448 ceAbstractionStarter]: For program point L89-2(lines 89 106) no Hoare annotation was computed. [2018-12-31 09:46:59,210 INFO L448 ceAbstractionStarter]: For program point L89-3(lines 89 106) no Hoare annotation was computed. [2018-12-31 09:46:59,210 INFO L448 ceAbstractionStarter]: For program point L89-4(lines 89 106) no Hoare annotation was computed. [2018-12-31 09:46:59,211 INFO L448 ceAbstractionStarter]: For program point L89-5(lines 89 106) no Hoare annotation was computed. [2018-12-31 09:46:59,211 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2018-12-31 09:46:59,211 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 420 426) no Hoare annotation was computed. [2018-12-31 09:46:59,211 INFO L448 ceAbstractionStarter]: For program point L420-2(lines 420 426) no Hoare annotation was computed. [2018-12-31 09:46:59,211 INFO L448 ceAbstractionStarter]: For program point L420-3(lines 420 426) no Hoare annotation was computed. [2018-12-31 09:46:59,211 INFO L448 ceAbstractionStarter]: For program point L420-4(lines 420 426) no Hoare annotation was computed. [2018-12-31 09:46:59,211 INFO L448 ceAbstractionStarter]: For program point L420-5(lines 420 426) no Hoare annotation was computed. [2018-12-31 09:46:59,211 INFO L444 ceAbstractionStarter]: At program point L57(lines 56 75) the Hoare annotation is: (let ((.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (and .cse5 .cse2 .cse6) .cse3) (and .cse0 (and .cse5 .cse2) .cse3) (and (and .cse1 (and .cse2 .cse6) .cse4) .cse3) (and .cse0 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4))) [2018-12-31 09:46:59,211 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 57 63) no Hoare annotation was computed. [2018-12-31 09:46:59,211 INFO L444 ceAbstractionStarter]: At program point L57-2(lines 56 75) the Hoare annotation is: false [2018-12-31 09:46:59,212 INFO L444 ceAbstractionStarter]: At program point L57-3(lines 56 75) the Hoare annotation is: false [2018-12-31 09:46:59,212 INFO L444 ceAbstractionStarter]: At program point L817-2(lines 817 831) the Hoare annotation is: false [2018-12-31 09:46:59,212 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 359) no Hoare annotation was computed. [2018-12-31 09:46:59,212 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:46:59,212 INFO L444 ceAbstractionStarter]: At program point L223(lines 208 226) the Hoare annotation is: false [2018-12-31 09:46:59,212 INFO L444 ceAbstractionStarter]: At program point L223-1(lines 208 226) the Hoare annotation is: (let ((.cse2 (= 1 ~methaneLevelCritical~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and (and (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse1) .cse2) .cse3) (and (= ~methAndRunningLastTime~0 0) .cse0 .cse1 .cse3 .cse2) (and (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) .cse3))) [2018-12-31 09:46:59,212 INFO L444 ceAbstractionStarter]: At program point L223-2(lines 208 226) the Hoare annotation is: false [2018-12-31 09:46:59,212 INFO L444 ceAbstractionStarter]: At program point L223-3(lines 208 226) the Hoare annotation is: false [2018-12-31 09:46:59,212 INFO L444 ceAbstractionStarter]: At program point L223-4(lines 208 226) the Hoare annotation is: false [2018-12-31 09:46:59,212 INFO L444 ceAbstractionStarter]: At program point L223-5(lines 208 226) the Hoare annotation is: false [2018-12-31 09:46:59,215 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2018-12-31 09:46:59,215 INFO L448 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-12-31 09:46:59,216 INFO L444 ceAbstractionStarter]: At program point L159(lines 152 162) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 (and (= 0 ~methaneLevelCritical~0) .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse2) (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2 (= 1 ~methaneLevelCritical~0)))) [2018-12-31 09:46:59,216 INFO L444 ceAbstractionStarter]: At program point L159-1(lines 152 162) the Hoare annotation is: false [2018-12-31 09:46:59,216 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2018-12-31 09:46:59,216 INFO L444 ceAbstractionStarter]: At program point L159-2(lines 152 162) the Hoare annotation is: false [2018-12-31 09:46:59,216 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 93 101) no Hoare annotation was computed. [2018-12-31 09:46:59,216 INFO L448 ceAbstractionStarter]: For program point L93-2(lines 93 101) no Hoare annotation was computed. [2018-12-31 09:46:59,216 INFO L448 ceAbstractionStarter]: For program point L93-3(lines 93 101) no Hoare annotation was computed. [2018-12-31 09:46:59,216 INFO L448 ceAbstractionStarter]: For program point L93-4(lines 93 101) no Hoare annotation was computed. [2018-12-31 09:46:59,216 INFO L448 ceAbstractionStarter]: For program point L93-5(lines 93 101) no Hoare annotation was computed. [2018-12-31 09:46:59,216 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:46:59,216 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-12-31 09:46:59,216 INFO L448 ceAbstractionStarter]: For program point L821-1(lines 57 63) no Hoare annotation was computed. [2018-12-31 09:46:59,217 INFO L444 ceAbstractionStarter]: At program point L425(lines 416 429) the Hoare annotation is: false [2018-12-31 09:46:59,217 INFO L444 ceAbstractionStarter]: At program point L425-1(lines 416 429) the Hoare annotation is: (let ((.cse3 (= 1 ~methaneLevelCritical~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~systemActive~0 1))) (or (and (not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)) .cse0 .cse1 .cse2 .cse3) (and (= ~methAndRunningLastTime~0 0) .cse0 .cse1 .cse2 .cse3) (and (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) .cse2))) [2018-12-31 09:46:59,217 INFO L444 ceAbstractionStarter]: At program point L425-2(lines 416 429) the Hoare annotation is: false [2018-12-31 09:46:59,217 INFO L444 ceAbstractionStarter]: At program point L425-3(lines 416 429) the Hoare annotation is: false [2018-12-31 09:46:59,217 INFO L444 ceAbstractionStarter]: At program point L425-4(lines 416 429) the Hoare annotation is: false [2018-12-31 09:46:59,217 INFO L444 ceAbstractionStarter]: At program point L425-5(lines 416 429) the Hoare annotation is: false [2018-12-31 09:46:59,217 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 267) no Hoare annotation was computed. [2018-12-31 09:46:59,217 INFO L444 ceAbstractionStarter]: At program point L261-1(lines 261 267) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ~systemActive~0 1)) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and (and .cse0 (and .cse1 .cse2 .cse3)) .cse4) (and .cse5 .cse0 .cse2 .cse4 .cse6) (and .cse5 (and .cse1 .cse2) .cse4) (and .cse5 .cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse6))) [2018-12-31 09:46:59,221 INFO L444 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 (and .cse1 .cse2) .cse3) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse2 .cse3 .cse4) (and (and (and .cse2 .cse5) .cse4) .cse3) (and .cse1 .cse2 .cse5 .cse3))) [2018-12-31 09:46:59,221 INFO L444 ceAbstractionStarter]: At program point L64-1(lines 64 70) the Hoare annotation is: false [2018-12-31 09:46:59,221 INFO L444 ceAbstractionStarter]: At program point L64-2(lines 64 70) the Hoare annotation is: false [2018-12-31 09:46:59,221 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2018-12-31 09:46:59,221 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:46:59,221 INFO L448 ceAbstractionStarter]: For program point L892(lines 892 899) no Hoare annotation was computed. [2018-12-31 09:46:59,221 INFO L451 ceAbstractionStarter]: At program point L892-1(lines 892 899) the Hoare annotation is: true [2018-12-31 09:46:59,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:46:59 BoogieIcfgContainer [2018-12-31 09:46:59,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:46:59,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:46:59,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:46:59,278 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:46:59,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:46:45" (3/4) ... [2018-12-31 09:46:59,283 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:46:59,319 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:46:59,320 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-31 09:46:59,322 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 09:46:59,323 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 09:46:59,324 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:46:59,326 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:46:59,363 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methAndRunningLastTime == 0 && 1 == \result) && splverifierCounter == 0 && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1) || ((methAndRunningLastTime == 0 && (0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1)) || ((((((1 <= pumpRunning && methAndRunningLastTime == 0) && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == \result) && tmp == 0) && systemActive == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) [2018-12-31 09:46:59,364 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methAndRunningLastTime == 0 && 1 == \result) && splverifierCounter == 0 && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1) || ((methAndRunningLastTime == 0 && (0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1)) || ((((((1 <= pumpRunning && methAndRunningLastTime == 0) && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == \result) && tmp == 0) && systemActive == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) [2018-12-31 09:46:59,365 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methAndRunningLastTime == 0 && (0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && splverifierCounter == 0) && systemActive == 1) && 1 == methaneLevelCritical)) || ((1 <= pumpRunning && 0 == methaneLevelCritical && splverifierCounter == 0) && systemActive == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical)) || ((((methAndRunningLastTime == 0 && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) && 1 == methaneLevelCritical) [2018-12-31 09:46:59,365 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && methAndRunningLastTime == 0) && splverifierCounter == 0) && systemActive == 1) && 1 == methaneLevelCritical) || (((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1)) || ((1 <= pumpRunning && 0 == methaneLevelCritical && splverifierCounter == 0) && systemActive == 1)) || (((methAndRunningLastTime == 0 && splverifierCounter == 0 && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) [2018-12-31 09:46:59,369 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && methAndRunningLastTime == 0) && splverifierCounter == 0) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == \result) && 1 == methaneLevelCritical) && systemActive == 1)) || ((1 <= pumpRunning && (0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && systemActive == 1)) || ((((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:46:59,372 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 <= pumpRunning && (0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) [2018-12-31 09:46:59,373 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 <= pumpRunning && (0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || (((((1 <= pumpRunning && splverifierCounter == 0) && 1 == \result) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) [2018-12-31 09:46:59,375 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \result) && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) && 1 == methaneLevelCritical) || ((((methAndRunningLastTime == 0 && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:46:59,377 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && splverifierCounter == 0) && pumpRunning == 0) && 1 == \result) && 1 == methaneLevelCritical) && systemActive == 1) || (((((1 <= pumpRunning && methAndRunningLastTime == 0) && splverifierCounter == 0) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) [2018-12-31 09:46:59,379 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == \result && !(0 == tmp)) && splverifierCounter == 0) && 0 == tmp___0) && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1) || ((((methAndRunningLastTime == 0 && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:46:59,506 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:46:59,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:46:59,508 INFO L168 Benchmark]: Toolchain (without parser) took 16225.39 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 298.3 MB). Free memory was 954.1 MB in the beginning and 1.2 GB in the end (delta: -255.8 MB). Peak memory consumption was 42.5 MB. Max. memory is 11.5 GB. [2018-12-31 09:46:59,508 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:46:59,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 954.1 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. [2018-12-31 09:46:59,513 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:46:59,513 INFO L168 Benchmark]: Boogie Preprocessor took 54.19 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 09:46:59,514 INFO L168 Benchmark]: RCFGBuilder took 1524.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.9 MB). Peak memory consumption was 59.9 MB. Max. memory is 11.5 GB. [2018-12-31 09:46:59,514 INFO L168 Benchmark]: TraceAbstraction took 13585.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -187.9 MB). Peak memory consumption was 339.3 MB. Max. memory is 11.5 GB. [2018-12-31 09:46:59,514 INFO L168 Benchmark]: Witness Printer took 229.13 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-12-31 09:46:59,519 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 744.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 954.1 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.19 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 1524.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.9 MB). Peak memory consumption was 59.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13585.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -187.9 MB). Peak memory consumption was 339.3 MB. Max. memory is 11.5 GB. * Witness Printer took 229.13 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 435]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 435]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 435]: 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: 298]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((methAndRunningLastTime == 0 && 1 == \result) && splverifierCounter == 0 && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1) || ((methAndRunningLastTime == 0 && (0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1)) || ((((((1 <= pumpRunning && methAndRunningLastTime == 0) && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == \result) && tmp == 0) && systemActive == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (((((0 == \result && splverifierCounter == 0) && pumpRunning == 0) && 1 == \result) && 1 == methaneLevelCritical) && systemActive == 1) || (((((1 <= pumpRunning && methAndRunningLastTime == 0) && splverifierCounter == 0) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (((((((0 == \result && !(0 == tmp)) && splverifierCounter == 0) && 0 == tmp___0) && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1) || ((((methAndRunningLastTime == 0 && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: ((1 <= pumpRunning && (0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && methAndRunningLastTime == 0) && splverifierCounter == 0) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == \result) && 1 == methaneLevelCritical) && systemActive == 1)) || ((1 <= pumpRunning && (0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && systemActive == 1)) || ((((0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: (((((methAndRunningLastTime == 0 && (0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && splverifierCounter == 0) && systemActive == 1) && 1 == methaneLevelCritical)) || ((1 <= pumpRunning && 0 == methaneLevelCritical && splverifierCounter == 0) && systemActive == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical)) || ((((methAndRunningLastTime == 0 && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) && 1 == methaneLevelCritical) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((((((methAndRunningLastTime == 0 && 1 == \result) && splverifierCounter == 0 && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1) || ((methAndRunningLastTime == 0 && (0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1)) || ((((((1 <= pumpRunning && methAndRunningLastTime == 0) && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == \result) && tmp == 0) && systemActive == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && waterLevel == 1) && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((1 <= pumpRunning && (0 == methaneLevelCritical && splverifierCounter == 0) && 0 == \result) && systemActive == 1) || (((((1 <= pumpRunning && splverifierCounter == 0) && 1 == \result) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 0 == methaneLevelCritical && splverifierCounter == 0) && systemActive == 1) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && splverifierCounter == 0) && systemActive == 1) && 1 == methaneLevelCritical)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1)) || (((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((((!(0 == \result) && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) && 1 == methaneLevelCritical) || ((((methAndRunningLastTime == 0 && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && methAndRunningLastTime == 0) && splverifierCounter == 0) && systemActive == 1) && 1 == methaneLevelCritical) || (((0 == methaneLevelCritical && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1)) || ((1 <= pumpRunning && 0 == methaneLevelCritical && splverifierCounter == 0) && systemActive == 1)) || (((methAndRunningLastTime == 0 && splverifierCounter == 0 && pumpRunning == 0) && 1 == methaneLevelCritical) && systemActive == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == \result) && systemActive == 1) && 1 == methaneLevelCritical) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 3 error locations. SAFE Result, 13.4s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 4.5s AutomataDifference, 0.0s DeadEndRemovalTime, 5.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1107 SDtfs, 1262 SDslu, 1627 SDs, 0 SdLazy, 224 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 83 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 874 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 104 NumberOfFragments, 753 HoareAnnotationTreeSize, 43 FomulaSimplifications, 143760 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 43 FomulaSimplificationsInter, 3613 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 456 NumberOfCodeBlocks, 456 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 443 ConstructedInterpolants, 0 QuantifiedInterpolants, 37160 SizeOfPredicates, 1 NumberOfNonLiveVariables, 421 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 56/65 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...