./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec5_product34_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_spec5_product34_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 ae55322c9e2147e3768d03287d4758f350a7d088 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:50:49,312 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:50:49,314 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:50:49,327 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:50:49,327 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:50:49,329 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:50:49,330 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:50:49,332 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:50:49,336 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:50:49,339 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:50:49,339 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:50:49,340 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:50:49,341 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:50:49,342 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:50:49,343 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:50:49,349 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:50:49,350 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:50:49,352 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:50:49,354 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:50:49,355 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:50:49,357 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:50:49,358 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:50:49,360 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:50:49,360 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:50:49,360 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:50:49,362 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:50:49,363 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:50:49,363 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:50:49,364 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:50:49,365 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:50:49,366 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:50:49,366 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:50:49,367 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:50:49,367 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:50:49,368 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:50:49,368 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:50:49,369 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:50:49,388 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:50:49,389 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:50:49,390 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:50:49,390 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:50:49,391 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:50:49,391 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:50:49,391 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:50:49,391 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:50:49,391 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:50:49,392 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:50:49,392 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:50:49,392 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:50:49,392 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:50:49,392 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:50:49,392 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:50:49,393 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:50:49,393 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:50:49,393 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:50:49,393 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:50:49,393 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:50:49,394 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:50:49,394 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:50:49,394 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:50:49,394 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:50:49,394 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:50:49,395 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:50:49,395 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:50:49,395 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:50:49,395 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 -> ae55322c9e2147e3768d03287d4758f350a7d088 [2018-12-31 09:50:49,432 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:50:49,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:50:49,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:50:49,460 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:50:49,460 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:50:49,461 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec5_product34_true-unreach-call_false-termination.cil.c [2018-12-31 09:50:49,533 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef3cb524/f497d252911740599c5ffe0a1fe63023/FLAG01f69ac13 [2018-12-31 09:50:50,103 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:50:50,104 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec5_product34_true-unreach-call_false-termination.cil.c [2018-12-31 09:50:50,118 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef3cb524/f497d252911740599c5ffe0a1fe63023/FLAG01f69ac13 [2018-12-31 09:50:50,368 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef3cb524/f497d252911740599c5ffe0a1fe63023 [2018-12-31 09:50:50,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:50:50,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:50:50,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:50:50,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:50:50,380 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:50:50,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:50:50" (1/1) ... [2018-12-31 09:50:50,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62297f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:50, skipping insertion in model container [2018-12-31 09:50:50,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:50:50" (1/1) ... [2018-12-31 09:50:50,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:50:50,459 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:50:50,813 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:50:50,847 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:50:50,961 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:50:51,012 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:50:51,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:51 WrapperNode [2018-12-31 09:50:51,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:50:51,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:50:51,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:50:51,015 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:50:51,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:51" (1/1) ... [2018-12-31 09:50:51,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:51" (1/1) ... [2018-12-31 09:50:51,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:50:51,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:50:51,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:50:51,174 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:50:51,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:51" (1/1) ... [2018-12-31 09:50:51,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:51" (1/1) ... [2018-12-31 09:50:51,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:51" (1/1) ... [2018-12-31 09:50:51,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:51" (1/1) ... [2018-12-31 09:50:51,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:51" (1/1) ... [2018-12-31 09:50:51,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:51" (1/1) ... [2018-12-31 09:50:51,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:51" (1/1) ... [2018-12-31 09:50:51,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:50:51,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:50:51,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:50:51,217 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:50:51,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:51" (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 09:50:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:50:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:50:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:50:51,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:50:52,566 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:50:52,567 INFO L280 CfgBuilder]: Removed 112 assue(true) statements. [2018-12-31 09:50:52,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:50:52 BoogieIcfgContainer [2018-12-31 09:50:52,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:50:52,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:50:52,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:50:52,571 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:50:52,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:50:50" (1/3) ... [2018-12-31 09:50:52,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a45f96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:50:52, skipping insertion in model container [2018-12-31 09:50:52,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:51" (2/3) ... [2018-12-31 09:50:52,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a45f96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:50:52, skipping insertion in model container [2018-12-31 09:50:52,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:50:52" (3/3) ... [2018-12-31 09:50:52,575 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34_true-unreach-call_false-termination.cil.c [2018-12-31 09:50:52,585 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:50:52,593 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:50:52,607 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:50:52,641 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:50:52,642 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:50:52,642 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:50:52,642 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:50:52,642 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:50:52,643 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:50:52,643 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:50:52,643 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:50:52,643 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:50:52,660 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2018-12-31 09:50:52,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-31 09:50:52,668 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:52,669 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 09:50:52,672 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:52,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:52,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1820159384, now seen corresponding path program 1 times [2018-12-31 09:50:52,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:52,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:52,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:52,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:52,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:52,962 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 09:50:52,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:52,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:50:52,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:50:52,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:50:52,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:50:52,983 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2018-12-31 09:50:53,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:53,013 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2018-12-31 09:50:53,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:50:53,016 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-31 09:50:53,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:53,030 INFO L225 Difference]: With dead ends: 167 [2018-12-31 09:50:53,031 INFO L226 Difference]: Without dead ends: 83 [2018-12-31 09:50:53,034 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 09:50:53,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-12-31 09:50:53,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-12-31 09:50:53,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-12-31 09:50:53,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2018-12-31 09:50:53,083 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2018-12-31 09:50:53,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:53,084 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2018-12-31 09:50:53,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:50:53,084 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2018-12-31 09:50:53,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-31 09:50:53,086 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:53,086 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] [2018-12-31 09:50:53,086 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:53,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:53,087 INFO L82 PathProgramCache]: Analyzing trace with hash -14139831, now seen corresponding path program 1 times [2018-12-31 09:50:53,087 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:53,087 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:53,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:53,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:53,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:53,336 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 09:50:53,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:53,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:50:53,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:50:53,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:50:53,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:50:53,345 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 3 states. [2018-12-31 09:50:53,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:53,391 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2018-12-31 09:50:53,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:50:53,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-12-31 09:50:53,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:53,393 INFO L225 Difference]: With dead ends: 83 [2018-12-31 09:50:53,394 INFO L226 Difference]: Without dead ends: 38 [2018-12-31 09:50:53,396 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 09:50:53,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-12-31 09:50:53,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-12-31 09:50:53,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-31 09:50:53,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2018-12-31 09:50:53,407 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2018-12-31 09:50:53,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:53,408 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2018-12-31 09:50:53,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:50:53,408 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2018-12-31 09:50:53,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-31 09:50:53,410 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:53,411 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 09:50:53,411 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:53,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:53,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1021335289, now seen corresponding path program 1 times [2018-12-31 09:50:53,412 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:53,412 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:53,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:53,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:53,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:53,610 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 09:50:53,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:53,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:50:53,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:50:53,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:50:53,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:50:53,613 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand 5 states. [2018-12-31 09:50:53,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:53,722 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2018-12-31 09:50:53,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 09:50:53,723 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-12-31 09:50:53,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:53,724 INFO L225 Difference]: With dead ends: 69 [2018-12-31 09:50:53,724 INFO L226 Difference]: Without dead ends: 38 [2018-12-31 09:50:53,725 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:50:53,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-12-31 09:50:53,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-12-31 09:50:53,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-31 09:50:53,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2018-12-31 09:50:53,732 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2018-12-31 09:50:53,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:53,732 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2018-12-31 09:50:53,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:50:53,733 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2018-12-31 09:50:53,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-31 09:50:53,734 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:53,734 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] [2018-12-31 09:50:53,734 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:53,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:53,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1742927995, now seen corresponding path program 1 times [2018-12-31 09:50:53,735 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:53,735 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:53,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:53,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:53,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:53,849 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 09:50:53,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:53,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:50:53,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:50:53,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:50:53,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:50:53,851 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 3 states. [2018-12-31 09:50:53,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:53,997 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2018-12-31 09:50:53,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:50:53,997 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2018-12-31 09:50:53,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:53,999 INFO L225 Difference]: With dead ends: 93 [2018-12-31 09:50:53,999 INFO L226 Difference]: Without dead ends: 62 [2018-12-31 09:50:53,999 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 09:50:54,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-31 09:50:54,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2018-12-31 09:50:54,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-31 09:50:54,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2018-12-31 09:50:54,019 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2018-12-31 09:50:54,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:54,023 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2018-12-31 09:50:54,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:50:54,023 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2018-12-31 09:50:54,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-31 09:50:54,025 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:54,025 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 09:50:54,025 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:54,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:54,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1221487882, now seen corresponding path program 1 times [2018-12-31 09:50:54,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:54,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:54,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:54,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:54,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:54,249 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 09:50:54,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:54,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:50:54,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:50:54,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:50:54,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:50:54,252 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2018-12-31 09:50:54,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:54,354 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2018-12-31 09:50:54,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:50:54,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2018-12-31 09:50:54,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:54,362 INFO L225 Difference]: With dead ends: 157 [2018-12-31 09:50:54,363 INFO L226 Difference]: Without dead ends: 104 [2018-12-31 09:50:54,364 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:50:54,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-12-31 09:50:54,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2018-12-31 09:50:54,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-12-31 09:50:54,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2018-12-31 09:50:54,393 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2018-12-31 09:50:54,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:54,394 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2018-12-31 09:50:54,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:50:54,394 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2018-12-31 09:50:54,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-31 09:50:54,398 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:54,401 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 09:50:54,403 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:54,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:54,403 INFO L82 PathProgramCache]: Analyzing trace with hash -2140015705, now seen corresponding path program 1 times [2018-12-31 09:50:54,404 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:54,404 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:54,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:54,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:54,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:54,582 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 09:50:54,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:54,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:50:54,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:50:54,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:50:54,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:50:54,585 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 5 states. [2018-12-31 09:50:55,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:55,012 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2018-12-31 09:50:55,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:50:55,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2018-12-31 09:50:55,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:55,015 INFO L225 Difference]: With dead ends: 216 [2018-12-31 09:50:55,015 INFO L226 Difference]: Without dead ends: 160 [2018-12-31 09:50:55,018 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 09:50:55,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-12-31 09:50:55,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2018-12-31 09:50:55,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-31 09:50:55,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2018-12-31 09:50:55,035 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2018-12-31 09:50:55,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:55,036 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2018-12-31 09:50:55,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:50:55,036 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2018-12-31 09:50:55,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-31 09:50:55,038 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:55,038 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 09:50:55,039 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:55,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:55,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1922552460, now seen corresponding path program 1 times [2018-12-31 09:50:55,039 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:55,039 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:55,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:55,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:55,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:55,152 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 09:50:55,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:55,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:50:55,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 09:50:55,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 09:50:55,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 09:50:55,154 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand 4 states. [2018-12-31 09:50:55,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:55,232 INFO L93 Difference]: Finished difference Result 143 states and 193 transitions. [2018-12-31 09:50:55,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 09:50:55,234 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-12-31 09:50:55,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:55,235 INFO L225 Difference]: With dead ends: 143 [2018-12-31 09:50:55,235 INFO L226 Difference]: Without dead ends: 88 [2018-12-31 09:50:55,235 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:50:55,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-12-31 09:50:55,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 64. [2018-12-31 09:50:55,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-12-31 09:50:55,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2018-12-31 09:50:55,265 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2018-12-31 09:50:55,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:55,266 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2018-12-31 09:50:55,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 09:50:55,266 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2018-12-31 09:50:55,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-31 09:50:55,267 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:55,267 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 09:50:55,268 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:55,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:55,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1335746446, now seen corresponding path program 1 times [2018-12-31 09:50:55,273 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:55,273 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:55,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:55,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:55,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:55,379 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 09:50:55,379 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:55,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:50:55,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:50:55,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:50:55,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:50:55,381 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand 3 states. [2018-12-31 09:50:55,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:55,514 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2018-12-31 09:50:55,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:50:55,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-12-31 09:50:55,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:55,516 INFO L225 Difference]: With dead ends: 148 [2018-12-31 09:50:55,516 INFO L226 Difference]: Without dead ends: 91 [2018-12-31 09:50:55,517 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:50:55,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-12-31 09:50:55,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-12-31 09:50:55,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-12-31 09:50:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2018-12-31 09:50:55,541 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2018-12-31 09:50:55,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:55,541 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2018-12-31 09:50:55,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:50:55,542 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2018-12-31 09:50:55,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:50:55,543 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:55,547 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 09:50:55,548 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:55,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:55,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1064588722, now seen corresponding path program 1 times [2018-12-31 09:50:55,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:55,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:55,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:55,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:55,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:55,934 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 09:50:55,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:55,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 09:50:55,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 09:50:55,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 09:50:55,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:50:55,936 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand 6 states. [2018-12-31 09:50:56,657 WARN L181 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-31 09:50:56,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:56,996 INFO L93 Difference]: Finished difference Result 327 states and 441 transitions. [2018-12-31 09:50:56,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:50:56,997 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-12-31 09:50:56,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:56,999 INFO L225 Difference]: With dead ends: 327 [2018-12-31 09:50:56,999 INFO L226 Difference]: Without dead ends: 270 [2018-12-31 09:50:57,000 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-12-31 09:50:57,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2018-12-31 09:50:57,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 132. [2018-12-31 09:50:57,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-12-31 09:50:57,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 170 transitions. [2018-12-31 09:50:57,025 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 170 transitions. Word has length 34 [2018-12-31 09:50:57,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:57,027 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 170 transitions. [2018-12-31 09:50:57,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 09:50:57,027 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2018-12-31 09:50:57,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-31 09:50:57,028 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:57,029 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] [2018-12-31 09:50:57,029 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:57,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:57,029 INFO L82 PathProgramCache]: Analyzing trace with hash 160053225, now seen corresponding path program 1 times [2018-12-31 09:50:57,029 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:57,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:57,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:57,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:57,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:57,221 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:50:57,221 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 09:50:57,221 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 09:50:57,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:57,351 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 09:50:57,847 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:50:57,877 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-31 09:50:57,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2018-12-31 09:50:57,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-31 09:50:57,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-31 09:50:57,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-12-31 09:50:57,882 INFO L87 Difference]: Start difference. First operand 132 states and 170 transitions. Second operand 10 states. [2018-12-31 09:50:58,534 WARN L181 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-12-31 09:50:58,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:58,725 INFO L93 Difference]: Finished difference Result 236 states and 311 transitions. [2018-12-31 09:50:58,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 09:50:58,728 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 51 [2018-12-31 09:50:58,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:58,728 INFO L225 Difference]: With dead ends: 236 [2018-12-31 09:50:58,729 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:50:58,730 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2018-12-31 09:50:58,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:50:58,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:50:58,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:50:58,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:50:58,733 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2018-12-31 09:50:58,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:58,734 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:50:58,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-31 09:50:58,734 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:50:58,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:50:58,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:50:58,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:59,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:51:00,395 WARN L181 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2018-12-31 09:51:00,809 WARN L181 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 32 [2018-12-31 09:51:01,191 WARN L181 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2018-12-31 09:51:01,380 WARN L181 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2018-12-31 09:51:01,536 WARN L181 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2018-12-31 09:51:01,784 WARN L181 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2018-12-31 09:51:01,914 WARN L181 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2018-12-31 09:51:02,053 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2018-12-31 09:51:02,253 WARN L181 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2018-12-31 09:51:02,446 WARN L181 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2018-12-31 09:51:02,608 WARN L181 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2018-12-31 09:51:02,903 WARN L181 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2018-12-31 09:51:02,914 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 610) no Hoare annotation was computed. [2018-12-31 09:51:02,914 INFO L444 ceAbstractionStarter]: At program point L647(lines 647 653) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse5) (and .cse4 (and .cse0 (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse2 .cse3 (= ~pumpRunning~0 0) .cse5)) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2018-12-31 09:51:02,914 INFO L444 ceAbstractionStarter]: At program point L647-1(lines 647 653) the Hoare annotation is: false [2018-12-31 09:51:02,915 INFO L444 ceAbstractionStarter]: At program point L647-2(lines 647 653) the Hoare annotation is: false [2018-12-31 09:51:02,915 INFO L444 ceAbstractionStarter]: At program point L548(lines 539 552) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse4 .cse5))) [2018-12-31 09:51:02,915 INFO L444 ceAbstractionStarter]: At program point L548-1(lines 539 552) the Hoare annotation is: false [2018-12-31 09:51:02,915 INFO L444 ceAbstractionStarter]: At program point L548-2(lines 539 552) the Hoare annotation is: false [2018-12-31 09:51:02,915 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:51:02,915 INFO L448 ceAbstractionStarter]: For program point L466(lines 466 470) no Hoare annotation was computed. [2018-12-31 09:51:02,915 INFO L448 ceAbstractionStarter]: For program point L466-3(lines 466 470) no Hoare annotation was computed. [2018-12-31 09:51:02,915 INFO L444 ceAbstractionStarter]: At program point L780(lines 765 783) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2018-12-31 09:51:02,915 INFO L448 ceAbstractionStarter]: For program point L466-6(lines 466 470) no Hoare annotation was computed. [2018-12-31 09:51:02,916 INFO L444 ceAbstractionStarter]: At program point L780-1(lines 765 783) the Hoare annotation is: false [2018-12-31 09:51:02,916 INFO L444 ceAbstractionStarter]: At program point L780-2(lines 765 783) the Hoare annotation is: false [2018-12-31 09:51:02,916 INFO L444 ceAbstractionStarter]: At program point L615(lines 566 616) the Hoare annotation is: false [2018-12-31 09:51:02,916 INFO L444 ceAbstractionStarter]: At program point L799(lines 794 801) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2018-12-31 09:51:02,916 INFO L448 ceAbstractionStarter]: For program point L568(lines 567 614) no Hoare annotation was computed. [2018-12-31 09:51:02,916 INFO L444 ceAbstractionStarter]: At program point L535(lines 530 538) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse5) (and .cse0 .cse2 .cse4 (and (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse3 (= ~pumpRunning~0 0) .cse5)))) [2018-12-31 09:51:02,916 INFO L444 ceAbstractionStarter]: At program point L535-1(lines 530 538) the Hoare annotation is: false [2018-12-31 09:51:02,917 INFO L444 ceAbstractionStarter]: At program point L535-2(lines 530 538) the Hoare annotation is: false [2018-12-31 09:51:02,917 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-12-31 09:51:02,917 INFO L444 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2018-12-31 09:51:02,917 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2018-12-31 09:51:02,917 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:51:02,917 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 593) no Hoare annotation was computed. [2018-12-31 09:51:02,917 INFO L444 ceAbstractionStarter]: At program point L587-1(lines 587 593) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse4 (and .cse0 .cse2 .cse3 (= ~pumpRunning~0 0) .cse5)))) [2018-12-31 09:51:02,917 INFO L451 ceAbstractionStarter]: At program point L934(lines 915 937) the Hoare annotation is: true [2018-12-31 09:51:02,918 INFO L444 ceAbstractionStarter]: At program point L901(lines 897 903) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~7 1) (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2018-12-31 09:51:02,918 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-12-31 09:51:02,918 INFO L448 ceAbstractionStarter]: For program point L605(lines 605 609) no Hoare annotation was computed. [2018-12-31 09:51:02,918 INFO L444 ceAbstractionStarter]: At program point L605-2(lines 605 609) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse4 (and .cse0 .cse2 .cse3 (= ~pumpRunning~0 0) .cse5)))) [2018-12-31 09:51:02,918 INFO L448 ceAbstractionStarter]: For program point L820(lines 820 837) no Hoare annotation was computed. [2018-12-31 09:51:02,919 INFO L444 ceAbstractionStarter]: At program point L820-1(lines 1 937) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6 2) .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6) (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse5) (and .cse4 (and .cse0 .cse2 .cse3 (= ~pumpRunning~0 0) .cse5)))) [2018-12-31 09:51:02,919 INFO L444 ceAbstractionStarter]: At program point L853-2(lines 853 867) the Hoare annotation is: false [2018-12-31 09:51:02,919 INFO L448 ceAbstractionStarter]: For program point L820-2(lines 820 837) no Hoare annotation was computed. [2018-12-31 09:51:02,919 INFO L444 ceAbstractionStarter]: At program point L820-3(lines 1 937) the Hoare annotation is: false [2018-12-31 09:51:02,919 INFO L448 ceAbstractionStarter]: For program point L820-4(lines 820 837) no Hoare annotation was computed. [2018-12-31 09:51:02,919 INFO L444 ceAbstractionStarter]: At program point L820-5(lines 1 937) the Hoare annotation is: false [2018-12-31 09:51:02,919 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 494) no Hoare annotation was computed. [2018-12-31 09:51:02,920 INFO L448 ceAbstractionStarter]: For program point L672(lines 672 689) no Hoare annotation was computed. [2018-12-31 09:51:02,920 INFO L448 ceAbstractionStarter]: For program point L672-1(lines 672 689) no Hoare annotation was computed. [2018-12-31 09:51:02,920 INFO L448 ceAbstractionStarter]: For program point L672-2(lines 672 689) no Hoare annotation was computed. [2018-12-31 09:51:02,920 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:51:02,920 INFO L448 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2018-12-31 09:51:02,920 INFO L444 ceAbstractionStarter]: At program point L640(lines 636 658) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 0) .cse4) (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (<= 1 |ULTIMATE.start_isPumpRunning_#res|)))) [2018-12-31 09:51:02,920 INFO L444 ceAbstractionStarter]: At program point L640-1(lines 636 658) the Hoare annotation is: false [2018-12-31 09:51:02,921 INFO L444 ceAbstractionStarter]: At program point L640-2(lines 636 658) the Hoare annotation is: false [2018-12-31 09:51:02,921 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-12-31 09:51:02,921 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 778) no Hoare annotation was computed. [2018-12-31 09:51:02,921 INFO L448 ceAbstractionStarter]: For program point L774-2(lines 774 778) no Hoare annotation was computed. [2018-12-31 09:51:02,921 INFO L448 ceAbstractionStarter]: For program point L774-3(lines 774 778) no Hoare annotation was computed. [2018-12-31 09:51:02,921 INFO L448 ceAbstractionStarter]: For program point L774-5(lines 774 778) no Hoare annotation was computed. [2018-12-31 09:51:02,921 INFO L448 ceAbstractionStarter]: For program point L774-6(lines 774 778) no Hoare annotation was computed. [2018-12-31 09:51:02,922 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed. [2018-12-31 09:51:02,922 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2018-12-31 09:51:02,922 INFO L448 ceAbstractionStarter]: For program point L774-8(lines 774 778) no Hoare annotation was computed. [2018-12-31 09:51:02,922 INFO L448 ceAbstractionStarter]: For program point L543-2(lines 543 549) no Hoare annotation was computed. [2018-12-31 09:51:02,922 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 861) no Hoare annotation was computed. [2018-12-31 09:51:02,922 INFO L448 ceAbstractionStarter]: For program point L824(lines 824 834) no Hoare annotation was computed. [2018-12-31 09:51:02,922 INFO L448 ceAbstractionStarter]: For program point L857-1(lines 857 861) no Hoare annotation was computed. [2018-12-31 09:51:02,922 INFO L448 ceAbstractionStarter]: For program point L824-2(lines 824 834) no Hoare annotation was computed. [2018-12-31 09:51:02,923 INFO L444 ceAbstractionStarter]: At program point L725(lines 720 728) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0))) (.cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|))) (or (and .cse0 (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 (= ~pumpRunning~0 0) .cse4) (and (<= 1 ~switchedOnBeforeTS~0) .cse5 (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse6) (and .cse5 (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) .cse6))) [2018-12-31 09:51:02,923 INFO L444 ceAbstractionStarter]: At program point L725-1(lines 720 728) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4) (and .cse3 (and .cse0 (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse1 .cse2 (= ~pumpRunning~0 0) .cse4)))) [2018-12-31 09:51:02,923 INFO L448 ceAbstractionStarter]: For program point L824-4(lines 824 834) no Hoare annotation was computed. [2018-12-31 09:51:02,923 INFO L444 ceAbstractionStarter]: At program point L725-2(lines 720 728) the Hoare annotation is: false [2018-12-31 09:51:02,923 INFO L444 ceAbstractionStarter]: At program point L725-3(lines 720 728) the Hoare annotation is: false [2018-12-31 09:51:02,923 INFO L444 ceAbstractionStarter]: At program point L725-4(lines 720 728) the Hoare annotation is: false [2018-12-31 09:51:02,924 INFO L444 ceAbstractionStarter]: At program point L725-5(lines 720 728) the Hoare annotation is: false [2018-12-31 09:51:02,924 INFO L448 ceAbstractionStarter]: For program point L676(lines 676 684) no Hoare annotation was computed. [2018-12-31 09:51:02,924 INFO L448 ceAbstractionStarter]: For program point L676-1(lines 676 684) no Hoare annotation was computed. [2018-12-31 09:51:02,924 INFO L448 ceAbstractionStarter]: For program point L676-2(lines 676 684) no Hoare annotation was computed. [2018-12-31 09:51:02,924 INFO L444 ceAbstractionStarter]: At program point L65(lines 1 937) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2018-12-31 09:51:02,924 INFO L448 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2018-12-31 09:51:02,924 INFO L444 ceAbstractionStarter]: At program point L577-1(lines 577 583) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse4 (and .cse0 .cse2 .cse3 (= ~pumpRunning~0 0) .cse5)))) [2018-12-31 09:51:02,924 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:51:02,925 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 482) no Hoare annotation was computed. [2018-12-31 09:51:02,925 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 831) no Hoare annotation was computed. [2018-12-31 09:51:02,925 INFO L448 ceAbstractionStarter]: For program point L825-2(lines 825 831) no Hoare annotation was computed. [2018-12-31 09:51:02,925 INFO L448 ceAbstractionStarter]: For program point L825-4(lines 825 831) no Hoare annotation was computed. [2018-12-31 09:51:02,925 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-31 09:51:02,925 INFO L448 ceAbstractionStarter]: For program point L82-1(line 82) no Hoare annotation was computed. [2018-12-31 09:51:02,925 INFO L448 ceAbstractionStarter]: For program point L82-2(line 82) no Hoare annotation was computed. [2018-12-31 09:51:02,925 INFO L444 ceAbstractionStarter]: At program point L809(lines 640 646) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 (= ~pumpRunning~0 0) .cse4) (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (<= 1 |ULTIMATE.start_isPumpRunning_#res|)))) [2018-12-31 09:51:02,926 INFO L444 ceAbstractionStarter]: At program point L809-1(lines 640 646) the Hoare annotation is: false [2018-12-31 09:51:02,926 INFO L444 ceAbstractionStarter]: At program point L809-2(lines 640 646) the Hoare annotation is: false [2018-12-31 09:51:02,926 INFO L448 ceAbstractionStarter]: For program point L925(lines 925 932) no Hoare annotation was computed. [2018-12-31 09:51:02,926 INFO L451 ceAbstractionStarter]: At program point L925-1(lines 925 932) the Hoare annotation is: true [2018-12-31 09:51:02,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:51:02 BoogieIcfgContainer [2018-12-31 09:51:02,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:51:02,960 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:51:02,960 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:51:02,960 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:51:02,961 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:50:52" (3/4) ... [2018-12-31 09:51:02,965 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:51:02,985 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:51:02,986 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-31 09:51:02,987 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 09:51:02,988 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 09:51:02,988 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:51:02,989 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:51:03,033 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) [2018-12-31 09:51:03,034 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && tmp == 1) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) [2018-12-31 09:51:03,034 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && tmp == 1) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) [2018-12-31 09:51:03,035 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1 && 1 <= pumpRunning) && tmp <= 2) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) || (((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive))) || (waterLevel <= 2 && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) [2018-12-31 09:51:03,036 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || ((((((\result == 1 && 1 <= pumpRunning) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || (waterLevel <= 2 && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) [2018-12-31 09:51:03,037 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || ((((((\result == 1 && 1 <= pumpRunning) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || (waterLevel <= 2 && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) [2018-12-31 09:51:03,037 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || ((((((\result == 1 && 1 <= pumpRunning) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || (waterLevel <= 2 && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) [2018-12-31 09:51:03,038 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 0 == \result) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && 1 <= \result)) || ((1 <= pumpRunning && ((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && 1 <= \result) [2018-12-31 09:51:03,038 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 0 == \result) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && 1 <= \result) [2018-12-31 09:51:03,038 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && 1 <= \result) [2018-12-31 09:51:03,039 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || (waterLevel <= 2 && ((((\result == 1 && tmp == 0) && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive))) || ((((((\result == 1 && 1 <= pumpRunning) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) [2018-12-31 09:51:03,044 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || ((((((((\result == 1 && 1 <= pumpRunning) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && !(0 == systemActive))) || (((\result == 1 && tmp == 1) && waterLevel <= 2) && ((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) [2018-12-31 09:51:03,046 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || ((((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) [2018-12-31 09:51:03,048 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || (waterLevel <= 2 && (((((\result == 1 && 0 == \result) && tmp == 0) && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) [2018-12-31 09:51:03,049 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == \result && \result == 1) && tmp == 1) && 0 == tmp___0) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || ((((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) [2018-12-31 09:51:03,159 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:51:03,161 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:51:03,162 INFO L168 Benchmark]: Toolchain (without parser) took 12789.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Free memory was 952.7 MB in the beginning and 846.0 MB in the end (delta: 106.7 MB). Peak memory consumption was 307.5 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:03,163 INFO L168 Benchmark]: CDTParser took 0.18 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 09:51:03,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.12 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 925.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:03,164 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:03,166 INFO L168 Benchmark]: Boogie Preprocessor took 42.72 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 09:51:03,166 INFO L168 Benchmark]: RCFGBuilder took 1350.22 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: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:03,166 INFO L168 Benchmark]: TraceAbstraction took 10391.61 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 853.7 MB in the end (delta: 205.1 MB). Peak memory consumption was 275.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:03,168 INFO L168 Benchmark]: Witness Printer took 201.09 ms. Allocated memory is still 1.2 GB. Free memory was 853.7 MB in the beginning and 846.0 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:03,171 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 639.12 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 925.9 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 159.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.72 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 1350.22 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: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10391.61 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 853.7 MB in the end (delta: 205.1 MB). Peak memory consumption was 275.8 MB. Max. memory is 11.5 GB. * Witness Printer took 201.09 ms. Allocated memory is still 1.2 GB. Free memory was 853.7 MB in the beginning and 846.0 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: 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: 539]: Loop Invariant Derived loop invariant: ((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || ((((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 == \result) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || ((((((((\result == 1 && 1 <= pumpRunning) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && !(0 == systemActive))) || (((\result == 1 && tmp == 1) && waterLevel <= 2) && ((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: (((((((0 == \result && \result == 1) && tmp == 1) && 0 == tmp___0) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || ((((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || ((((((\result == 1 && 1 <= pumpRunning) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || (waterLevel <= 2 && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 0 == \result) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && 1 <= \result)) || ((1 <= pumpRunning && ((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && 1 <= \result) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((\result == 1 && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || (waterLevel <= 2 && ((((\result == 1 && tmp == 0) && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive))) || ((((((\result == 1 && 1 <= pumpRunning) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || ((((((\result == 1 && 1 <= pumpRunning) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || (waterLevel <= 2 && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: (((\result == 1 && tmp == 1) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && 1 <= \result) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || ((((((\result == 1 && 1 <= pumpRunning) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || (waterLevel <= 2 && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: (((\result == 1 && tmp == 1) && waterLevel == 1) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive)) || (waterLevel <= 2 && (((((\result == 1 && 0 == \result) && tmp == 0) && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 0 == \result) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && !(0 == systemActive)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && 1 <= \result) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((\result == 1 && 1 <= pumpRunning) && tmp <= 2) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) && \result <= 2) && 2 <= \result) && !(0 == systemActive)) || (((((((\result == 1 && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= \result) && !(0 == systemActive))) || (waterLevel <= 2 && (((\result == 1 && tmp == 1) && splverifierCounter == 0) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 3 error locations. SAFE Result, 10.2s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 4.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 763 SDtfs, 963 SDslu, 1025 SDs, 0 SdLazy, 186 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 303 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 38 PreInvPairs, 98 NumberOfFragments, 859 HoareAnnotationTreeSize, 38 FomulaSimplifications, 25772 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 38 FomulaSimplificationsInter, 3106 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 25349 SizeOfPredicates, 4 NumberOfNonLiveVariables, 400 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...