./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product50_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 96fab9ebc0a7c1449817f0fde656dfd4d62824fd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 14:54:25,075 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 14:54:25,077 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 14:54:25,088 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 14:54:25,089 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 14:54:25,090 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 14:54:25,091 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 14:54:25,093 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 14:54:25,094 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 14:54:25,095 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 14:54:25,096 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 14:54:25,096 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 14:54:25,097 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 14:54:25,098 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 14:54:25,099 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 14:54:25,100 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 14:54:25,101 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 14:54:25,103 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 14:54:25,105 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 14:54:25,106 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 14:54:25,107 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 14:54:25,108 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 14:54:25,111 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 14:54:25,111 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 14:54:25,111 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 14:54:25,112 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 14:54:25,116 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 14:54:25,117 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 14:54:25,121 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 14:54:25,124 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 14:54:25,124 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 14:54:25,126 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 14:54:25,126 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 14:54:25,126 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 14:54:25,129 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 14:54:25,130 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 14:54:25,130 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 14:54:25,149 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 14:54:25,150 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 14:54:25,151 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 14:54:25,151 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 14:54:25,151 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 14:54:25,151 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 14:54:25,151 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 14:54:25,152 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 14:54:25,153 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 14:54:25,153 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 14:54:25,153 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 14:54:25,153 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 14:54:25,154 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 14:54:25,154 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 14:54:25,154 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 14:54:25,155 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 14:54:25,155 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 14:54:25,155 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 14:54:25,155 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 14:54:25,155 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 14:54:25,156 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 14:54:25,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:54:25,156 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 14:54:25,156 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 14:54:25,156 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 14:54:25,156 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 14:54:25,157 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 14:54:25,157 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 14:54:25,157 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 -> 96fab9ebc0a7c1449817f0fde656dfd4d62824fd [2019-01-12 14:54:25,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 14:54:25,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 14:54:25,246 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 14:54:25,247 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 14:54:25,248 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 14:54:25,248 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c [2019-01-12 14:54:25,296 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dbfb90e4/9c8e69237daf427b8600aaa946425c26/FLAG04956fbeb [2019-01-12 14:54:25,729 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 14:54:25,730 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product50_true-unreach-call_false-termination.cil.c [2019-01-12 14:54:25,745 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dbfb90e4/9c8e69237daf427b8600aaa946425c26/FLAG04956fbeb [2019-01-12 14:54:26,080 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dbfb90e4/9c8e69237daf427b8600aaa946425c26 [2019-01-12 14:54:26,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 14:54:26,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 14:54:26,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 14:54:26,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 14:54:26,090 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 14:54:26,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:54:26" (1/1) ... [2019-01-12 14:54:26,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a7d791d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:26, skipping insertion in model container [2019-01-12 14:54:26,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:54:26" (1/1) ... [2019-01-12 14:54:26,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 14:54:26,154 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 14:54:26,565 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:54:26,589 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 14:54:26,754 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:54:26,795 INFO L195 MainTranslator]: Completed translation [2019-01-12 14:54:26,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:26 WrapperNode [2019-01-12 14:54:26,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 14:54:26,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 14:54:26,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 14:54:26,797 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 14:54:26,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:26" (1/1) ... [2019-01-12 14:54:26,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:26" (1/1) ... [2019-01-12 14:54:26,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 14:54:26,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 14:54:26,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 14:54:26,924 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 14:54:26,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:26" (1/1) ... [2019-01-12 14:54:26,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:26" (1/1) ... [2019-01-12 14:54:26,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:26" (1/1) ... [2019-01-12 14:54:26,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:26" (1/1) ... [2019-01-12 14:54:26,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:26" (1/1) ... [2019-01-12 14:54:26,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:26" (1/1) ... [2019-01-12 14:54:27,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:26" (1/1) ... [2019-01-12 14:54:27,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 14:54:27,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 14:54:27,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 14:54:27,007 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 14:54:27,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:54:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 14:54:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-12 14:54:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 14:54:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 14:54:28,390 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 14:54:28,391 INFO L286 CfgBuilder]: Removed 158 assue(true) statements. [2019-01-12 14:54:28,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:54:28 BoogieIcfgContainer [2019-01-12 14:54:28,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 14:54:28,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 14:54:28,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 14:54:28,397 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 14:54:28,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 02:54:26" (1/3) ... [2019-01-12 14:54:28,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44080492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:54:28, skipping insertion in model container [2019-01-12 14:54:28,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:54:26" (2/3) ... [2019-01-12 14:54:28,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44080492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:54:28, skipping insertion in model container [2019-01-12 14:54:28,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:54:28" (3/3) ... [2019-01-12 14:54:28,402 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50_true-unreach-call_false-termination.cil.c [2019-01-12 14:54:28,412 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 14:54:28,421 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 14:54:28,438 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 14:54:28,468 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 14:54:28,468 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 14:54:28,468 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 14:54:28,469 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 14:54:28,469 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 14:54:28,469 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 14:54:28,469 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 14:54:28,469 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 14:54:28,470 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 14:54:28,487 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-01-12 14:54:28,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-12 14:54:28,497 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:28,498 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:28,501 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:28,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:28,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1800894747, now seen corresponding path program 1 times [2019-01-12 14:54:28,510 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:28,511 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:28,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:28,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:28,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:28,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:54:28,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:28,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:54:28,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 14:54:28,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 14:54:28,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:54:28,776 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-01-12 14:54:28,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:28,806 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2019-01-12 14:54:28,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 14:54:28,808 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-01-12 14:54:28,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:28,821 INFO L225 Difference]: With dead ends: 228 [2019-01-12 14:54:28,821 INFO L226 Difference]: Without dead ends: 113 [2019-01-12 14:54:28,825 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:54:28,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-01-12 14:54:28,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-01-12 14:54:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-01-12 14:54:28,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2019-01-12 14:54:28,872 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2019-01-12 14:54:28,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:28,872 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2019-01-12 14:54:28,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 14:54:28,873 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2019-01-12 14:54:28,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-12 14:54:28,874 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:28,875 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:28,875 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:28,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:28,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1447315652, now seen corresponding path program 1 times [2019-01-12 14:54:28,877 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:28,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:28,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:28,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:28,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:29,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:54:29,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:29,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 14:54:29,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:54:29,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:54:29,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:29,014 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2019-01-12 14:54:29,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:29,040 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-01-12 14:54:29,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:54:29,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-12 14:54:29,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:29,042 INFO L225 Difference]: With dead ends: 113 [2019-01-12 14:54:29,043 INFO L226 Difference]: Without dead ends: 47 [2019-01-12 14:54:29,045 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:29,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-01-12 14:54:29,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-01-12 14:54:29,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-01-12 14:54:29,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-01-12 14:54:29,051 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2019-01-12 14:54:29,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:29,052 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-01-12 14:54:29,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:54:29,053 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-01-12 14:54:29,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-12 14:54:29,054 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:29,055 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:29,055 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:29,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:29,055 INFO L82 PathProgramCache]: Analyzing trace with hash -230586389, now seen corresponding path program 1 times [2019-01-12 14:54:29,056 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:29,056 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:29,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:29,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:29,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:29,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:54:29,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:29,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:54:29,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:54:29,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:54:29,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:54:29,289 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 5 states. [2019-01-12 14:54:29,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:29,407 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2019-01-12 14:54:29,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 14:54:29,408 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-01-12 14:54:29,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:29,409 INFO L225 Difference]: With dead ends: 88 [2019-01-12 14:54:29,410 INFO L226 Difference]: Without dead ends: 47 [2019-01-12 14:54:29,410 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 [2019-01-12 14:54:29,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-01-12 14:54:29,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-01-12 14:54:29,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-01-12 14:54:29,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-01-12 14:54:29,423 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2019-01-12 14:54:29,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:29,424 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-01-12 14:54:29,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:54:29,424 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-01-12 14:54:29,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-12 14:54:29,425 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:29,425 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] [2019-01-12 14:54:29,426 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:29,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:29,427 INFO L82 PathProgramCache]: Analyzing trace with hash -108421843, now seen corresponding path program 1 times [2019-01-12 14:54:29,427 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:29,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:29,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:29,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:29,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:29,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:54:29,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:29,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:54:29,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:54:29,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:54:29,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:29,541 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-01-12 14:54:29,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:29,624 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2019-01-12 14:54:29,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:54:29,625 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-01-12 14:54:29,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:29,626 INFO L225 Difference]: With dead ends: 109 [2019-01-12 14:54:29,626 INFO L226 Difference]: Without dead ends: 68 [2019-01-12 14:54:29,627 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:54:29,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-01-12 14:54:29,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2019-01-12 14:54:29,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-01-12 14:54:29,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2019-01-12 14:54:29,637 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2019-01-12 14:54:29,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:29,638 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2019-01-12 14:54:29,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:54:29,638 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2019-01-12 14:54:29,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-01-12 14:54:29,640 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:29,640 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] [2019-01-12 14:54:29,640 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:29,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:29,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1619186466, now seen corresponding path program 1 times [2019-01-12 14:54:29,642 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:29,642 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:29,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:29,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:29,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:29,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:54:29,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:29,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:54:29,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:54:29,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:54:29,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:54:29,811 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2019-01-12 14:54:30,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:30,074 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2019-01-12 14:54:30,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 14:54:30,076 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-01-12 14:54:30,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:30,077 INFO L225 Difference]: With dead ends: 175 [2019-01-12 14:54:30,077 INFO L226 Difference]: Without dead ends: 115 [2019-01-12 14:54:30,080 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 [2019-01-12 14:54:30,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-01-12 14:54:30,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2019-01-12 14:54:30,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-01-12 14:54:30,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2019-01-12 14:54:30,102 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2019-01-12 14:54:30,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:30,103 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2019-01-12 14:54:30,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:54:30,103 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2019-01-12 14:54:30,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-01-12 14:54:30,106 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:30,107 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] [2019-01-12 14:54:30,107 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:30,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:30,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1043324577, now seen corresponding path program 1 times [2019-01-12 14:54:30,107 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:30,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:30,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:30,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:30,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:30,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:54:30,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:30,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-12 14:54:30,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-12 14:54:30,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-12 14:54:30,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-01-12 14:54:30,575 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 8 states. [2019-01-12 14:54:31,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:31,556 INFO L93 Difference]: Finished difference Result 461 states and 653 transitions. [2019-01-12 14:54:31,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-12 14:54:31,557 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2019-01-12 14:54:31,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:31,559 INFO L225 Difference]: With dead ends: 461 [2019-01-12 14:54:31,559 INFO L226 Difference]: Without dead ends: 395 [2019-01-12 14:54:31,561 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-01-12 14:54:31,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-01-12 14:54:31,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 173. [2019-01-12 14:54:31,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-01-12 14:54:31,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2019-01-12 14:54:31,594 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 30 [2019-01-12 14:54:31,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:31,594 INFO L480 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2019-01-12 14:54:31,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-12 14:54:31,594 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2019-01-12 14:54:31,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-01-12 14:54:31,597 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:31,598 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:31,598 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:31,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:31,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1625643979, now seen corresponding path program 1 times [2019-01-12 14:54:31,599 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:31,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:31,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:31,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:31,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:31,703 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-12 14:54:31,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:31,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 14:54:31,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 14:54:31,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 14:54:31,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-12 14:54:31,707 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand 4 states. [2019-01-12 14:54:31,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:31,878 INFO L93 Difference]: Finished difference Result 379 states and 513 transitions. [2019-01-12 14:54:31,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 14:54:31,881 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2019-01-12 14:54:31,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:31,882 INFO L225 Difference]: With dead ends: 379 [2019-01-12 14:54:31,883 INFO L226 Difference]: Without dead ends: 212 [2019-01-12 14:54:31,884 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 [2019-01-12 14:54:31,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-01-12 14:54:31,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 152. [2019-01-12 14:54:31,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-01-12 14:54:31,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 202 transitions. [2019-01-12 14:54:31,908 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 202 transitions. Word has length 50 [2019-01-12 14:54:31,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:31,908 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 202 transitions. [2019-01-12 14:54:31,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 14:54:31,908 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 202 transitions. [2019-01-12 14:54:31,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-01-12 14:54:31,912 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:31,912 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:31,912 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:31,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:31,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1653055247, now seen corresponding path program 1 times [2019-01-12 14:54:31,914 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:31,914 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:31,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:31,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:31,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:32,048 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-01-12 14:54:32,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:32,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:54:32,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:54:32,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:54:32,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:54:32,050 INFO L87 Difference]: Start difference. First operand 152 states and 202 transitions. Second operand 5 states. [2019-01-12 14:54:32,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:32,198 INFO L93 Difference]: Finished difference Result 514 states and 704 transitions. [2019-01-12 14:54:32,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 14:54:32,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-01-12 14:54:32,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:32,205 INFO L225 Difference]: With dead ends: 514 [2019-01-12 14:54:32,205 INFO L226 Difference]: Without dead ends: 392 [2019-01-12 14:54:32,206 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 [2019-01-12 14:54:32,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2019-01-12 14:54:32,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 158. [2019-01-12 14:54:32,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-01-12 14:54:32,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 208 transitions. [2019-01-12 14:54:32,252 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 208 transitions. Word has length 51 [2019-01-12 14:54:32,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:32,255 INFO L480 AbstractCegarLoop]: Abstraction has 158 states and 208 transitions. [2019-01-12 14:54:32,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:54:32,256 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 208 transitions. [2019-01-12 14:54:32,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-01-12 14:54:32,258 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:32,265 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:32,265 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:32,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:32,266 INFO L82 PathProgramCache]: Analyzing trace with hash -2046082257, now seen corresponding path program 1 times [2019-01-12 14:54:32,266 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:32,266 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:32,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:32,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:32,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:32,510 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-01-12 14:54:32,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:32,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:54:32,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:54:32,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:54:32,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:54:32,511 INFO L87 Difference]: Start difference. First operand 158 states and 208 transitions. Second operand 5 states. [2019-01-12 14:54:33,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:33,206 INFO L93 Difference]: Finished difference Result 414 states and 551 transitions. [2019-01-12 14:54:33,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-12 14:54:33,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-01-12 14:54:33,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:33,211 INFO L225 Difference]: With dead ends: 414 [2019-01-12 14:54:33,211 INFO L226 Difference]: Without dead ends: 412 [2019-01-12 14:54:33,211 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-12 14:54:33,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2019-01-12 14:54:33,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 158. [2019-01-12 14:54:33,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-01-12 14:54:33,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2019-01-12 14:54:33,234 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 51 [2019-01-12 14:54:33,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:33,235 INFO L480 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2019-01-12 14:54:33,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:54:33,235 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2019-01-12 14:54:33,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-01-12 14:54:33,237 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:33,237 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:54:33,238 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:33,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:33,238 INFO L82 PathProgramCache]: Analyzing trace with hash 772811102, now seen corresponding path program 1 times [2019-01-12 14:54:33,238 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:33,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:33,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:33,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:33,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:33,614 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:54:33,615 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-12 14:54:33,615 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-12 14:54:33,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:33,761 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 14:54:33,798 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:54:33,841 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-12 14:54:33,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-01-12 14:54:33,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 14:54:33,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 14:54:33,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-12 14:54:33,845 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand 6 states. [2019-01-12 14:54:35,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:35,472 INFO L93 Difference]: Finished difference Result 459 states and 614 transitions. [2019-01-12 14:54:35,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-12 14:54:35,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-01-12 14:54:35,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:35,481 INFO L225 Difference]: With dead ends: 459 [2019-01-12 14:54:35,481 INFO L226 Difference]: Without dead ends: 331 [2019-01-12 14:54:35,482 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-01-12 14:54:35,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2019-01-12 14:54:35,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 201. [2019-01-12 14:54:35,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2019-01-12 14:54:35,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 262 transitions. [2019-01-12 14:54:35,528 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 262 transitions. Word has length 52 [2019-01-12 14:54:35,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:35,530 INFO L480 AbstractCegarLoop]: Abstraction has 201 states and 262 transitions. [2019-01-12 14:54:35,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 14:54:35,530 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 262 transitions. [2019-01-12 14:54:35,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-01-12 14:54:35,533 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:35,533 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-01-12 14:54:35,534 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:35,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:35,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1104899688, now seen corresponding path program 2 times [2019-01-12 14:54:35,534 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:35,534 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:35,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:35,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:54:35,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:35,911 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-01-12 14:54:35,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:35,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:54:35,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:54:35,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:54:35,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:54:35,913 INFO L87 Difference]: Start difference. First operand 201 states and 262 transitions. Second operand 5 states. [2019-01-12 14:54:36,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:36,511 INFO L93 Difference]: Finished difference Result 584 states and 775 transitions. [2019-01-12 14:54:36,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 14:54:36,512 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-01-12 14:54:36,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:36,514 INFO L225 Difference]: With dead ends: 584 [2019-01-12 14:54:36,514 INFO L226 Difference]: Without dead ends: 412 [2019-01-12 14:54:36,516 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-01-12 14:54:36,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2019-01-12 14:54:36,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 274. [2019-01-12 14:54:36,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2019-01-12 14:54:36,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 355 transitions. [2019-01-12 14:54:36,586 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 355 transitions. Word has length 73 [2019-01-12 14:54:36,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:36,586 INFO L480 AbstractCegarLoop]: Abstraction has 274 states and 355 transitions. [2019-01-12 14:54:36,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:54:36,588 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 355 transitions. [2019-01-12 14:54:36,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-01-12 14:54:36,591 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:54:36,591 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-01-12 14:54:36,592 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:54:36,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:54:36,593 INFO L82 PathProgramCache]: Analyzing trace with hash -830140074, now seen corresponding path program 1 times [2019-01-12 14:54:36,593 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:54:36,593 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:54:36,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:36,594 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-12 14:54:36,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:54:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:54:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-01-12 14:54:37,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:54:37,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-12 14:54:37,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-12 14:54:37,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-12 14:54:37,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-12 14:54:37,116 INFO L87 Difference]: Start difference. First operand 274 states and 355 transitions. Second operand 7 states. [2019-01-12 14:54:37,826 WARN L181 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-12 14:54:38,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:54:38,071 INFO L93 Difference]: Finished difference Result 483 states and 625 transitions. [2019-01-12 14:54:38,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-12 14:54:38,073 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2019-01-12 14:54:38,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:54:38,073 INFO L225 Difference]: With dead ends: 483 [2019-01-12 14:54:38,073 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 14:54:38,075 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-01-12 14:54:38,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 14:54:38,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 14:54:38,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 14:54:38,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 14:54:38,076 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2019-01-12 14:54:38,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:54:38,076 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 14:54:38,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-12 14:54:38,076 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 14:54:38,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 14:54:38,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 14:54:38,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,546 WARN L181 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 101 [2019-01-12 14:54:38,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,845 WARN L181 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 101 [2019-01-12 14:54:38,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:38,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,079 WARN L181 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 106 [2019-01-12 14:54:39,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,221 WARN L181 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 68 [2019-01-12 14:54:39,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,331 WARN L181 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 89 [2019-01-12 14:54:39,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,483 WARN L181 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 101 [2019-01-12 14:54:39,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:54:39,614 WARN L181 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 109 [2019-01-12 14:54:41,448 WARN L181 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 53 DAG size of output: 22 [2019-01-12 14:54:42,057 WARN L181 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 23 [2019-01-12 14:54:42,413 WARN L181 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 23 [2019-01-12 14:54:43,283 WARN L181 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 23 [2019-01-12 14:54:43,730 WARN L181 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 22 [2019-01-12 14:54:44,095 WARN L181 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 28 [2019-01-12 14:54:44,295 WARN L181 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 25 [2019-01-12 14:54:44,623 WARN L181 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 23 [2019-01-12 14:54:45,184 WARN L181 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 15 [2019-01-12 14:54:45,209 INFO L448 ceAbstractionStarter]: For program point L861(lines 861 865) no Hoare annotation was computed. [2019-01-12 14:54:45,209 INFO L448 ceAbstractionStarter]: For program point L861-2(lines 861 865) no Hoare annotation was computed. [2019-01-12 14:54:45,209 INFO L448 ceAbstractionStarter]: For program point L861-3(lines 861 865) no Hoare annotation was computed. [2019-01-12 14:54:45,209 INFO L448 ceAbstractionStarter]: For program point L861-5(lines 861 865) no Hoare annotation was computed. [2019-01-12 14:54:45,209 INFO L444 ceAbstractionStarter]: At program point L663(lines 658 666) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= ULTIMATE.start_main_~tmp~4 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0) .cse3) .cse4 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse4 .cse2 .cse3))) [2019-01-12 14:54:45,209 INFO L448 ceAbstractionStarter]: For program point L861-6(lines 861 865) no Hoare annotation was computed. [2019-01-12 14:54:45,210 INFO L444 ceAbstractionStarter]: At program point L663-1(lines 658 666) the Hoare annotation is: false [2019-01-12 14:54:45,210 INFO L448 ceAbstractionStarter]: For program point L861-8(lines 861 865) no Hoare annotation was computed. [2019-01-12 14:54:45,210 INFO L444 ceAbstractionStarter]: At program point L663-2(lines 658 666) the Hoare annotation is: false [2019-01-12 14:54:45,210 INFO L448 ceAbstractionStarter]: For program point L861-9(lines 861 865) no Hoare annotation was computed. [2019-01-12 14:54:45,210 INFO L444 ceAbstractionStarter]: At program point L498(lines 494 500) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 1) (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-01-12 14:54:45,210 INFO L448 ceAbstractionStarter]: For program point L861-11(lines 861 865) no Hoare annotation was computed. [2019-01-12 14:54:45,210 INFO L448 ceAbstractionStarter]: For program point L861-12(lines 861 865) no Hoare annotation was computed. [2019-01-12 14:54:45,210 INFO L448 ceAbstractionStarter]: For program point L861-14(lines 861 865) no Hoare annotation was computed. [2019-01-12 14:54:45,210 INFO L448 ceAbstractionStarter]: For program point L861-15(lines 861 865) no Hoare annotation was computed. [2019-01-12 14:54:45,211 INFO L448 ceAbstractionStarter]: For program point L861-17(lines 861 865) no Hoare annotation was computed. [2019-01-12 14:54:45,214 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-01-12 14:54:45,214 INFO L448 ceAbstractionStarter]: For program point L763-1(lines 763 771) no Hoare annotation was computed. [2019-01-12 14:54:45,214 INFO L448 ceAbstractionStarter]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2019-01-12 14:54:45,214 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 935) no Hoare annotation was computed. [2019-01-12 14:54:45,214 INFO L444 ceAbstractionStarter]: At program point L929-1(lines 929 935) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_main_~tmp~4 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (or (and (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1) .cse2) (and .cse2 (and (= |ULTIMATE.start_valid_product_#res| 1) (<= 2 ~waterLevel~0) .cse0 .cse1)))) [2019-01-12 14:54:45,214 INFO L451 ceAbstractionStarter]: At program point L534(lines 515 537) the Hoare annotation is: true [2019-01-12 14:54:45,214 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2019-01-12 14:54:45,215 INFO L448 ceAbstractionStarter]: For program point L733-1(lines 733 750) no Hoare annotation was computed. [2019-01-12 14:54:45,215 INFO L448 ceAbstractionStarter]: For program point L733-2(lines 733 750) no Hoare annotation was computed. [2019-01-12 14:54:45,215 INFO L448 ceAbstractionStarter]: For program point L733-3(lines 733 750) no Hoare annotation was computed. [2019-01-12 14:54:45,215 INFO L448 ceAbstractionStarter]: For program point L733-4(lines 733 750) no Hoare annotation was computed. [2019-01-12 14:54:45,215 INFO L448 ceAbstractionStarter]: For program point L733-5(lines 733 750) no Hoare annotation was computed. [2019-01-12 14:54:45,215 INFO L444 ceAbstractionStarter]: At program point L701(lines 700 719) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~4 1) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2019-01-12 14:54:45,215 INFO L448 ceAbstractionStarter]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2019-01-12 14:54:45,215 INFO L444 ceAbstractionStarter]: At program point L701-2(lines 700 719) the Hoare annotation is: false [2019-01-12 14:54:45,215 INFO L444 ceAbstractionStarter]: At program point L701-3(lines 700 719) the Hoare annotation is: false [2019-01-12 14:54:45,215 INFO L444 ceAbstractionStarter]: At program point L867(lines 852 870) the Hoare annotation is: false [2019-01-12 14:54:45,216 INFO L444 ceAbstractionStarter]: At program point L867-1(lines 852 870) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~4 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 1) (<= 1 ~waterLevel~0) .cse3 .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4))) [2019-01-12 14:54:45,216 INFO L444 ceAbstractionStarter]: At program point L867-2(lines 852 870) the Hoare annotation is: false [2019-01-12 14:54:45,216 INFO L444 ceAbstractionStarter]: At program point L867-3(lines 852 870) the Hoare annotation is: false [2019-01-12 14:54:45,216 INFO L444 ceAbstractionStarter]: At program point L867-4(lines 852 870) the Hoare annotation is: false [2019-01-12 14:54:45,216 INFO L444 ceAbstractionStarter]: At program point L867-5(lines 852 870) the Hoare annotation is: false [2019-01-12 14:54:45,216 INFO L444 ceAbstractionStarter]: At program point L570(lines 1 964) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-01-12 14:54:45,216 INFO L448 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2019-01-12 14:54:45,216 INFO L448 ceAbstractionStarter]: For program point L737-1(lines 737 745) no Hoare annotation was computed. [2019-01-12 14:54:45,216 INFO L448 ceAbstractionStarter]: For program point L671(lines 671 677) no Hoare annotation was computed. [2019-01-12 14:54:45,217 INFO L448 ceAbstractionStarter]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2019-01-12 14:54:45,217 INFO L448 ceAbstractionStarter]: For program point L671-1(lines 671 677) no Hoare annotation was computed. [2019-01-12 14:54:45,221 INFO L448 ceAbstractionStarter]: For program point L737-3(lines 737 745) no Hoare annotation was computed. [2019-01-12 14:54:45,221 INFO L448 ceAbstractionStarter]: For program point L671-2(lines 671 677) no Hoare annotation was computed. [2019-01-12 14:54:45,221 INFO L448 ceAbstractionStarter]: For program point L737-4(lines 737 745) no Hoare annotation was computed. [2019-01-12 14:54:45,221 INFO L448 ceAbstractionStarter]: For program point L671-3(lines 671 677) no Hoare annotation was computed. [2019-01-12 14:54:45,221 INFO L448 ceAbstractionStarter]: For program point L737-5(lines 737 745) no Hoare annotation was computed. [2019-01-12 14:54:45,221 INFO L448 ceAbstractionStarter]: For program point L671-4(lines 671 677) no Hoare annotation was computed. [2019-01-12 14:54:45,221 INFO L448 ceAbstractionStarter]: For program point L671-5(lines 671 677) no Hoare annotation was computed. [2019-01-12 14:54:45,222 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2019-01-12 14:54:45,222 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-01-12 14:54:45,222 INFO L448 ceAbstractionStarter]: For program point L939(lines 939 952) no Hoare annotation was computed. [2019-01-12 14:54:45,222 INFO L444 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) .cse3) (and (and .cse0 .cse1 .cse3 (= ~pumpRunning~0 0) .cse2) (<= 1 ~waterLevel~0)))) [2019-01-12 14:54:45,222 INFO L444 ceAbstractionStarter]: At program point L708-1(lines 708 714) the Hoare annotation is: false [2019-01-12 14:54:45,222 INFO L444 ceAbstractionStarter]: At program point L708-2(lines 708 714) the Hoare annotation is: false [2019-01-12 14:54:45,222 INFO L448 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2019-01-12 14:54:45,222 INFO L448 ceAbstractionStarter]: For program point L543-1(line 543) no Hoare annotation was computed. [2019-01-12 14:54:45,223 INFO L448 ceAbstractionStarter]: For program point L543-2(line 543) no Hoare annotation was computed. [2019-01-12 14:54:45,223 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-01-12 14:54:45,223 INFO L444 ceAbstractionStarter]: At program point L676(lines 667 680) the Hoare annotation is: false [2019-01-12 14:54:45,223 INFO L444 ceAbstractionStarter]: At program point L676-1(lines 667 680) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~4 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4))) [2019-01-12 14:54:45,223 INFO L444 ceAbstractionStarter]: At program point L676-2(lines 667 680) the Hoare annotation is: false [2019-01-12 14:54:45,223 INFO L444 ceAbstractionStarter]: At program point L676-3(lines 667 680) the Hoare annotation is: false [2019-01-12 14:54:45,223 INFO L444 ceAbstractionStarter]: At program point L676-4(lines 667 680) the Hoare annotation is: false [2019-01-12 14:54:45,223 INFO L444 ceAbstractionStarter]: At program point L676-5(lines 667 680) the Hoare annotation is: false [2019-01-12 14:54:45,223 INFO L444 ceAbstractionStarter]: At program point L578(lines 573 581) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-01-12 14:54:45,223 INFO L444 ceAbstractionStarter]: At program point L447-2(lines 447 461) the Hoare annotation is: false [2019-01-12 14:54:45,224 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-01-12 14:54:45,224 INFO L448 ceAbstractionStarter]: For program point L910(lines 909 956) no Hoare annotation was computed. [2019-01-12 14:54:45,224 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-01-12 14:54:45,224 INFO L448 ceAbstractionStarter]: For program point L911(lines 911 915) no Hoare annotation was computed. [2019-01-12 14:54:45,224 INFO L444 ceAbstractionStarter]: At program point L812(lines 807 815) the Hoare annotation is: false [2019-01-12 14:54:45,224 INFO L444 ceAbstractionStarter]: At program point L812-1(lines 807 815) the Hoare annotation is: false [2019-01-12 14:54:45,224 INFO L444 ceAbstractionStarter]: At program point L812-2(lines 807 815) the Hoare annotation is: false [2019-01-12 14:54:45,224 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 14:54:45,224 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2019-01-12 14:54:45,224 INFO L444 ceAbstractionStarter]: At program point L417-1(lines 1 964) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~4 1)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and (= |ULTIMATE.start_valid_product_#res| 1) (<= 2 ~waterLevel~0) .cse0 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3) .cse2) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) .cse2))) [2019-01-12 14:54:45,225 INFO L448 ceAbstractionStarter]: For program point L417-2(lines 417 430) no Hoare annotation was computed. [2019-01-12 14:54:45,225 INFO L444 ceAbstractionStarter]: At program point L417-3(lines 1 964) the Hoare annotation is: false [2019-01-12 14:54:45,225 INFO L448 ceAbstractionStarter]: For program point L417-4(lines 417 430) no Hoare annotation was computed. [2019-01-12 14:54:45,225 INFO L444 ceAbstractionStarter]: At program point L417-5(lines 1 964) the Hoare annotation is: false [2019-01-12 14:54:45,225 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2019-01-12 14:54:45,225 INFO L448 ceAbstractionStarter]: For program point L880-2(lines 880 884) no Hoare annotation was computed. [2019-01-12 14:54:45,225 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 880 884) no Hoare annotation was computed. [2019-01-12 14:54:45,225 INFO L448 ceAbstractionStarter]: For program point L880-5(lines 880 884) no Hoare annotation was computed. [2019-01-12 14:54:45,225 INFO L448 ceAbstractionStarter]: For program point L880-6(lines 880 884) no Hoare annotation was computed. [2019-01-12 14:54:45,225 INFO L448 ceAbstractionStarter]: For program point L880-8(lines 880 884) no Hoare annotation was computed. [2019-01-12 14:54:45,225 INFO L448 ceAbstractionStarter]: For program point L451(lines 451 455) no Hoare annotation was computed. [2019-01-12 14:54:45,225 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 701 707) no Hoare annotation was computed. [2019-01-12 14:54:45,226 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 951) no Hoare annotation was computed. [2019-01-12 14:54:45,226 INFO L444 ceAbstractionStarter]: At program point L947-2(lines 701 707) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_main_~tmp~4 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (or (and (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1) .cse2) (and .cse2 (and (= |ULTIMATE.start_valid_product_#res| 1) (<= 2 ~waterLevel~0) .cse0 .cse1)))) [2019-01-12 14:54:45,226 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 622) no Hoare annotation was computed. [2019-01-12 14:54:45,226 INFO L448 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2019-01-12 14:54:45,226 INFO L448 ceAbstractionStarter]: For program point L421-2(lines 421 427) no Hoare annotation was computed. [2019-01-12 14:54:45,226 INFO L448 ceAbstractionStarter]: For program point L421-4(lines 421 427) no Hoare annotation was computed. [2019-01-12 14:54:45,226 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 14:54:45,226 INFO L444 ceAbstractionStarter]: At program point L686(lines 681 689) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~4 1) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2019-01-12 14:54:45,226 INFO L444 ceAbstractionStarter]: At program point L686-1(lines 681 689) the Hoare annotation is: false [2019-01-12 14:54:45,226 INFO L444 ceAbstractionStarter]: At program point L686-2(lines 681 689) the Hoare annotation is: false [2019-01-12 14:54:45,227 INFO L448 ceAbstractionStarter]: For program point L919(lines 919 925) no Hoare annotation was computed. [2019-01-12 14:54:45,227 INFO L444 ceAbstractionStarter]: At program point L919-1(lines 919 925) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_main_~tmp~4 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (or (and (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 (= ULTIMATE.start_main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1) .cse2) (and .cse2 (and (= |ULTIMATE.start_valid_product_#res| 1) (<= 2 ~waterLevel~0) .cse0 .cse1)))) [2019-01-12 14:54:45,227 INFO L444 ceAbstractionStarter]: At program point L886(lines 871 889) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|)) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 0) (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (= ULTIMATE.start_main_~tmp~4 1) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2019-01-12 14:54:45,227 INFO L444 ceAbstractionStarter]: At program point L886-1(lines 871 889) the Hoare annotation is: false [2019-01-12 14:54:45,227 INFO L444 ceAbstractionStarter]: At program point L886-2(lines 871 889) the Hoare annotation is: false [2019-01-12 14:54:45,227 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 14:54:45,227 INFO L448 ceAbstractionStarter]: For program point L525(lines 525 532) no Hoare annotation was computed. [2019-01-12 14:54:45,227 INFO L451 ceAbstractionStarter]: At program point L525-1(lines 525 532) the Hoare annotation is: true [2019-01-12 14:54:45,227 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 14:54:45,228 INFO L444 ceAbstractionStarter]: At program point L957(lines 908 958) the Hoare annotation is: false [2019-01-12 14:54:45,228 INFO L448 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2019-01-12 14:54:45,228 INFO L448 ceAbstractionStarter]: For program point L759-1(lines 759 776) no Hoare annotation was computed. [2019-01-12 14:54:45,228 INFO L448 ceAbstractionStarter]: For program point L759-2(lines 759 776) no Hoare annotation was computed. [2019-01-12 14:54:45,228 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 598) no Hoare annotation was computed. [2019-01-12 14:54:45,228 INFO L448 ceAbstractionStarter]: For program point L594-3(lines 594 598) no Hoare annotation was computed. [2019-01-12 14:54:45,228 INFO L448 ceAbstractionStarter]: For program point L594-6(lines 594 598) no Hoare annotation was computed. [2019-01-12 14:54:45,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 02:54:45 BoogieIcfgContainer [2019-01-12 14:54:45,261 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 14:54:45,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 14:54:45,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 14:54:45,262 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 14:54:45,264 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:54:28" (3/4) ... [2019-01-12 14:54:45,268 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 14:54:45,299 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-01-12 14:54:45,303 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-01-12 14:54:45,305 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-01-12 14:54:45,309 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-12 14:54:45,310 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 14:54:45,311 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 14:54:45,350 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-01-12 14:54:45,350 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && tmp == 1) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-01-12 14:54:45,351 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && tmp == 1) && 1 <= tmp) && !(0 == systemActive)) || (((((\result == waterLevel && splverifierCounter == 0) && tmp == 1) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) [2019-01-12 14:54:45,351 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == waterLevel && splverifierCounter == 0) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || (tmp == 1 && ((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2019-01-12 14:54:45,351 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == waterLevel && splverifierCounter == 0) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || (tmp == 1 && ((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2019-01-12 14:54:45,352 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == waterLevel && splverifierCounter == 0) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || (tmp == 1 && ((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2019-01-12 14:54:45,352 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && splverifierCounter == 0) && tmp == 1) && 1 <= waterLevel) && !(0 == systemActive) [2019-01-12 14:54:45,352 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) || (((((\result == 1 && splverifierCounter == 0) && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 1 <= waterLevel) [2019-01-12 14:54:45,354 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && splverifierCounter == 0) && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 1 <= \result) && 1 <= waterLevel) || (((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) [2019-01-12 14:54:45,355 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 0 == \result) && splverifierCounter == 0) && tmp == 1) && 1 <= waterLevel) && !(0 == systemActive) [2019-01-12 14:54:45,357 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && splverifierCounter == 0) && 1 == \result) && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) || (((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) [2019-01-12 14:54:45,358 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && !(0 == \result)) && 0 == \result) && splverifierCounter == 0) && !(0 == tmp___0)) && tmp == 1) && tmp == 0) && 1 <= waterLevel) && !(0 == systemActive) [2019-01-12 14:54:45,359 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == \result && \result == 1) && 0 == tmp___0) && splverifierCounter == 0) && 1 == \result) && tmp == 1) && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) || (((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) [2019-01-12 14:54:45,464 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 14:54:45,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 14:54:45,465 INFO L168 Benchmark]: Toolchain (without parser) took 19381.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 315.1 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -277.9 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:45,465 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 14:54:45,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:45,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 14:54:45,466 INFO L168 Benchmark]: Boogie Preprocessor took 85.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:45,467 INFO L168 Benchmark]: RCFGBuilder took 1385.75 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: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:45,467 INFO L168 Benchmark]: TraceAbstraction took 16867.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 178.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -197.1 MB). Peak memory consumption was 402.0 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:45,467 INFO L168 Benchmark]: Witness Printer took 202.81 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2019-01-12 14:54:45,469 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 710.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 123.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1385.75 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: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16867.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 178.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -197.1 MB). Peak memory consumption was 402.0 MB. Max. memory is 11.5 GB. * Witness Printer took 202.81 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 543]: 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: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: ((((((\result == 1 && splverifierCounter == 0) && 1 == \result) && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) || (((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: ((((((\result == 1 && splverifierCounter == 0) && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 1 <= \result) && 1 <= waterLevel) || (((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: (((((\result == waterLevel && splverifierCounter == 0) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || (tmp == 1 && ((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((((((\result == 1 && !(0 == \result)) && 0 == \result) && splverifierCounter == 0) && !(0 == tmp___0)) && tmp == 1) && tmp == 0) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (((((\result == waterLevel && splverifierCounter == 0) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || (tmp == 1 && ((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && tmp == 1) || (((((\result == 1 && splverifierCounter == 0) && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) && 1 <= waterLevel) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: ((((\result == 1 && 0 == \result) && splverifierCounter == 0) && tmp == 1) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (((((((((0 == \result && \result == 1) && 0 == tmp___0) && splverifierCounter == 0) && 1 == \result) && tmp == 1) && tmp == 1) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) || (((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: (((((\result == waterLevel && splverifierCounter == 0) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) || (tmp == 1 && ((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && tmp == 1) && 1 <= tmp) && !(0 == systemActive)) || (((((\result == waterLevel && splverifierCounter == 0) && tmp == 1) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((\result == 1 && splverifierCounter == 0) && tmp == 1) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((\result == waterLevel && tmp == 1) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. SAFE Result, 16.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 5.7s AutomataDifference, 0.0s DeadEndRemovalTime, 7.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1211 SDtfs, 2121 SDslu, 2055 SDs, 0 SdLazy, 378 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=11, 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: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1083 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 125 NumberOfFragments, 488 HoareAnnotationTreeSize, 43 FomulaSimplifications, 797446 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 43 FomulaSimplificationsInter, 64633 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 528 ConstructedInterpolants, 0 QuantifiedInterpolants, 40640 SizeOfPredicates, 4 NumberOfNonLiveVariables, 402 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 162/168 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...