./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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 ../sv-benchmarks/c/product-lines/minepump_spec4_product14.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 99eaecf53b705ce7ede6eb19864d6c34a239ca25 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:03:01,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:03:01,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:03:01,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:03:01,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:03:01,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:03:01,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:03:01,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:03:01,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:03:01,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:03:01,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:03:01,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:03:01,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:03:01,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:03:01,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:03:01,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:03:01,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:03:01,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:03:01,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:03:01,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:03:01,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:03:01,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:03:01,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:03:01,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:03:01,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:03:01,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:03:01,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:03:01,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:03:01,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:03:01,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:03:01,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:03:01,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:03:01,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:03:01,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:03:01,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:03:01,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:03:01,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:03:01,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:03:01,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:03:01,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:03:01,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:03:01,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:03:01,151 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:03:01,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:03:01,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:03:01,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:03:01,153 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:03:01,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:03:01,154 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:03:01,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:03:01,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:03:01,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:03:01,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:03:01,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:03:01,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:03:01,155 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:03:01,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:03:01,156 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:03:01,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:03:01,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:03:01,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:03:01,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:03:01,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:03:01,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:03:01,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:03:01,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:03:01,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:03:01,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:03:01,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:03:01,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:03:01,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:03:01,159 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 99eaecf53b705ce7ede6eb19864d6c34a239ca25 [2020-07-28 19:03:01,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:03:01,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:03:01,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:03:01,480 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:03:01,481 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:03:01,481 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2020-07-28 19:03:01,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b9cbf31/6a0d0fc1b52f4252872710f19e361589/FLAG2b02f0827 [2020-07-28 19:03:02,080 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:03:02,081 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2020-07-28 19:03:02,094 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b9cbf31/6a0d0fc1b52f4252872710f19e361589/FLAG2b02f0827 [2020-07-28 19:03:02,381 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b9cbf31/6a0d0fc1b52f4252872710f19e361589 [2020-07-28 19:03:02,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:03:02,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:03:02,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:02,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:03:02,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:03:02,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:02" (1/1) ... [2020-07-28 19:03:02,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ac154e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:02, skipping insertion in model container [2020-07-28 19:03:02,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:02" (1/1) ... [2020-07-28 19:03:02,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:03:02,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:03:02,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:02,880 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:03:02,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:03,012 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:03:03,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:03 WrapperNode [2020-07-28 19:03:03,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:03,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:03,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:03:03,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:03:03,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:03" (1/1) ... [2020-07-28 19:03:03,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:03" (1/1) ... [2020-07-28 19:03:03,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:03,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:03:03,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:03:03,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:03:03,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:03" (1/1) ... [2020-07-28 19:03:03,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:03" (1/1) ... [2020-07-28 19:03:03,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:03" (1/1) ... [2020-07-28 19:03:03,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:03" (1/1) ... [2020-07-28 19:03:03,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:03" (1/1) ... [2020-07-28 19:03:03,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:03" (1/1) ... [2020-07-28 19:03:03,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:03" (1/1) ... [2020-07-28 19:03:03,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:03:03,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:03:03,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:03:03,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:03:03,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:03:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:03:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:03:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:03:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:03:04,503 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:03:04,503 INFO L295 CfgBuilder]: Removed 98 assume(true) statements. [2020-07-28 19:03:04,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:04 BoogieIcfgContainer [2020-07-28 19:03:04,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:03:04,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:03:04,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:03:04,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:03:04,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:03:02" (1/3) ... [2020-07-28 19:03:04,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc89496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:04, skipping insertion in model container [2020-07-28 19:03:04,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:03" (2/3) ... [2020-07-28 19:03:04,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc89496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:04, skipping insertion in model container [2020-07-28 19:03:04,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:04" (3/3) ... [2020-07-28 19:03:04,517 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2020-07-28 19:03:04,527 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:03:04,535 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:03:04,549 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:03:04,574 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:03:04,574 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:03:04,574 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:03:04,574 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:03:04,575 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:03:04,575 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:03:04,576 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:03:04,576 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:03:04,593 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2020-07-28 19:03:04,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:03:04,599 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:04,600 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:04,601 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:04,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:04,606 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2020-07-28 19:03:04,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:04,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756281328] [2020-07-28 19:03:04,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:04,909 INFO L280 TraceCheckUtils]: 0: Hoare triple {72#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {72#true} is VALID [2020-07-28 19:03:04,910 INFO L280 TraceCheckUtils]: 1: Hoare triple {72#true} havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {72#true} is VALID [2020-07-28 19:03:04,910 INFO L280 TraceCheckUtils]: 2: Hoare triple {72#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {72#true} is VALID [2020-07-28 19:03:04,911 INFO L280 TraceCheckUtils]: 3: Hoare triple {72#true} main_#t~ret69 := valid_product_#res;assume -2147483648 <= main_#t~ret69 && main_#t~ret69 <= 2147483647;main_~tmp~6 := main_#t~ret69;havoc main_#t~ret69; {72#true} is VALID [2020-07-28 19:03:04,911 INFO L280 TraceCheckUtils]: 4: Hoare triple {72#true} assume 0 != main_~tmp~6; {72#true} is VALID [2020-07-28 19:03:04,912 INFO L280 TraceCheckUtils]: 5: Hoare triple {72#true} havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {72#true} is VALID [2020-07-28 19:03:04,913 INFO L280 TraceCheckUtils]: 6: Hoare triple {72#true} assume false; {73#false} is VALID [2020-07-28 19:03:04,913 INFO L280 TraceCheckUtils]: 7: Hoare triple {73#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {73#false} is VALID [2020-07-28 19:03:04,914 INFO L280 TraceCheckUtils]: 8: Hoare triple {73#false} assume !(0 != ~pumpRunning~0); {73#false} is VALID [2020-07-28 19:03:04,914 INFO L280 TraceCheckUtils]: 9: Hoare triple {73#false} assume !(0 != ~systemActive~0); {73#false} is VALID [2020-07-28 19:03:04,915 INFO L280 TraceCheckUtils]: 10: Hoare triple {73#false} havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {73#false} is VALID [2020-07-28 19:03:04,915 INFO L280 TraceCheckUtils]: 11: Hoare triple {73#false} __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret70 && __utac_acc__Specification4_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; {73#false} is VALID [2020-07-28 19:03:04,915 INFO L280 TraceCheckUtils]: 12: Hoare triple {73#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {73#false} is VALID [2020-07-28 19:03:04,916 INFO L280 TraceCheckUtils]: 13: Hoare triple {73#false} __utac_acc__Specification4_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {73#false} is VALID [2020-07-28 19:03:04,916 INFO L280 TraceCheckUtils]: 14: Hoare triple {73#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1; {73#false} is VALID [2020-07-28 19:03:04,917 INFO L280 TraceCheckUtils]: 15: Hoare triple {73#false} assume !false; {73#false} is VALID [2020-07-28 19:03:04,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:04,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756281328] [2020-07-28 19:03:04,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:04,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:04,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157543269] [2020-07-28 19:03:04,931 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:04,932 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:04,936 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:03:05,003 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:05,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:03:05,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:05,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:03:05,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:03:05,017 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2020-07-28 19:03:05,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:05,220 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2020-07-28 19:03:05,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:03:05,221 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:05,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:05,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:05,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 197 transitions. [2020-07-28 19:03:05,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:05,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 197 transitions. [2020-07-28 19:03:05,241 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 197 transitions. [2020-07-28 19:03:05,545 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 197 edges. 197 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:05,559 INFO L225 Difference]: With dead ends: 132 [2020-07-28 19:03:05,560 INFO L226 Difference]: Without dead ends: 65 [2020-07-28 19:03:05,564 INFO L675 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 [2020-07-28 19:03:05,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-07-28 19:03:05,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-07-28 19:03:05,623 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:05,624 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand 65 states. [2020-07-28 19:03:05,625 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2020-07-28 19:03:05,625 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2020-07-28 19:03:05,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:05,631 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-07-28 19:03:05,632 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-07-28 19:03:05,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:05,633 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:05,634 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2020-07-28 19:03:05,634 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2020-07-28 19:03:05,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:05,640 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-07-28 19:03:05,640 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-07-28 19:03:05,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:05,641 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:05,642 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:05,642 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:05,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-07-28 19:03:05,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2020-07-28 19:03:05,649 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2020-07-28 19:03:05,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:05,649 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-07-28 19:03:05,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:03:05,650 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-07-28 19:03:05,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:03:05,651 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:05,651 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:05,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:03:05,652 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:05,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:05,653 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2020-07-28 19:03:05,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:05,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297106867] [2020-07-28 19:03:05,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:05,818 INFO L280 TraceCheckUtils]: 0: Hoare triple {491#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {491#true} is VALID [2020-07-28 19:03:05,819 INFO L280 TraceCheckUtils]: 1: Hoare triple {491#true} havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {491#true} is VALID [2020-07-28 19:03:05,819 INFO L280 TraceCheckUtils]: 2: Hoare triple {491#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {491#true} is VALID [2020-07-28 19:03:05,819 INFO L280 TraceCheckUtils]: 3: Hoare triple {491#true} main_#t~ret69 := valid_product_#res;assume -2147483648 <= main_#t~ret69 && main_#t~ret69 <= 2147483647;main_~tmp~6 := main_#t~ret69;havoc main_#t~ret69; {491#true} is VALID [2020-07-28 19:03:05,820 INFO L280 TraceCheckUtils]: 4: Hoare triple {491#true} assume 0 != main_~tmp~6; {491#true} is VALID [2020-07-28 19:03:05,820 INFO L280 TraceCheckUtils]: 5: Hoare triple {491#true} havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {493#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:05,822 INFO L280 TraceCheckUtils]: 6: Hoare triple {493#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {493#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:05,822 INFO L280 TraceCheckUtils]: 7: Hoare triple {493#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {492#false} is VALID [2020-07-28 19:03:05,823 INFO L280 TraceCheckUtils]: 8: Hoare triple {492#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {492#false} is VALID [2020-07-28 19:03:05,823 INFO L280 TraceCheckUtils]: 9: Hoare triple {492#false} assume !(0 != ~pumpRunning~0); {492#false} is VALID [2020-07-28 19:03:05,824 INFO L280 TraceCheckUtils]: 10: Hoare triple {492#false} assume !(0 != ~systemActive~0); {492#false} is VALID [2020-07-28 19:03:05,824 INFO L280 TraceCheckUtils]: 11: Hoare triple {492#false} havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {492#false} is VALID [2020-07-28 19:03:05,824 INFO L280 TraceCheckUtils]: 12: Hoare triple {492#false} __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret70 && __utac_acc__Specification4_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; {492#false} is VALID [2020-07-28 19:03:05,824 INFO L280 TraceCheckUtils]: 13: Hoare triple {492#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {492#false} is VALID [2020-07-28 19:03:05,825 INFO L280 TraceCheckUtils]: 14: Hoare triple {492#false} __utac_acc__Specification4_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {492#false} is VALID [2020-07-28 19:03:05,825 INFO L280 TraceCheckUtils]: 15: Hoare triple {492#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1; {492#false} is VALID [2020-07-28 19:03:05,825 INFO L280 TraceCheckUtils]: 16: Hoare triple {492#false} assume !false; {492#false} is VALID [2020-07-28 19:03:05,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:05,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297106867] [2020-07-28 19:03:05,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:05,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:05,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811071335] [2020-07-28 19:03:05,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:05,830 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:05,830 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:05,862 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:05,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:05,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:05,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:05,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:05,863 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2020-07-28 19:03:06,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:06,058 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-07-28 19:03:06,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:06,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:06,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:06,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:06,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 90 transitions. [2020-07-28 19:03:06,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:06,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 90 transitions. [2020-07-28 19:03:06,064 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 90 transitions. [2020-07-28 19:03:06,213 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:06,214 INFO L225 Difference]: With dead ends: 65 [2020-07-28 19:03:06,215 INFO L226 Difference]: Without dead ends: 31 [2020-07-28 19:03:06,216 INFO L675 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 [2020-07-28 19:03:06,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-28 19:03:06,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-28 19:03:06,231 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:06,232 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:06,232 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:06,232 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:06,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:06,234 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-07-28 19:03:06,234 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 19:03:06,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:06,235 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:06,235 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:06,236 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:06,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:06,238 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-07-28 19:03:06,238 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 19:03:06,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:06,239 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:06,239 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:06,239 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:06,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-28 19:03:06,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-07-28 19:03:06,241 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2020-07-28 19:03:06,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:06,242 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-07-28 19:03:06,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:06,242 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 19:03:06,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:03:06,243 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:06,243 INFO L422 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] [2020-07-28 19:03:06,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:03:06,244 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:06,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:06,244 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2020-07-28 19:03:06,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:06,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321898376] [2020-07-28 19:03:06,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:06,406 INFO L280 TraceCheckUtils]: 0: Hoare triple {696#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {696#true} is VALID [2020-07-28 19:03:06,407 INFO L280 TraceCheckUtils]: 1: Hoare triple {696#true} havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {696#true} is VALID [2020-07-28 19:03:06,407 INFO L280 TraceCheckUtils]: 2: Hoare triple {696#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {698#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 19:03:06,408 INFO L280 TraceCheckUtils]: 3: Hoare triple {698#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret69 := valid_product_#res;assume -2147483648 <= main_#t~ret69 && main_#t~ret69 <= 2147483647;main_~tmp~6 := main_#t~ret69;havoc main_#t~ret69; {699#(= 1 ULTIMATE.start_main_~tmp~6)} is VALID [2020-07-28 19:03:06,409 INFO L280 TraceCheckUtils]: 4: Hoare triple {699#(= 1 ULTIMATE.start_main_~tmp~6)} assume 0 != main_~tmp~6; {696#true} is VALID [2020-07-28 19:03:06,409 INFO L280 TraceCheckUtils]: 5: Hoare triple {696#true} havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {696#true} is VALID [2020-07-28 19:03:06,409 INFO L280 TraceCheckUtils]: 6: Hoare triple {696#true} assume !false; {696#true} is VALID [2020-07-28 19:03:06,410 INFO L280 TraceCheckUtils]: 7: Hoare triple {696#true} assume test_~splverifierCounter~0 < 4; {696#true} is VALID [2020-07-28 19:03:06,410 INFO L280 TraceCheckUtils]: 8: Hoare triple {696#true} assume -2147483648 <= test_#t~nondet46 && test_#t~nondet46 <= 2147483647;test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; {696#true} is VALID [2020-07-28 19:03:06,410 INFO L280 TraceCheckUtils]: 9: Hoare triple {696#true} assume !(0 != test_~tmp~3); {696#true} is VALID [2020-07-28 19:03:06,410 INFO L280 TraceCheckUtils]: 10: Hoare triple {696#true} assume -2147483648 <= test_#t~nondet47 && test_#t~nondet47 <= 2147483647;test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; {696#true} is VALID [2020-07-28 19:03:06,411 INFO L280 TraceCheckUtils]: 11: Hoare triple {696#true} assume !(0 != test_~tmp___0~0); {696#true} is VALID [2020-07-28 19:03:06,411 INFO L280 TraceCheckUtils]: 12: Hoare triple {696#true} assume -2147483648 <= test_#t~nondet48 && test_#t~nondet48 <= 2147483647;test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; {696#true} is VALID [2020-07-28 19:03:06,412 INFO L280 TraceCheckUtils]: 13: Hoare triple {696#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {700#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:06,413 INFO L280 TraceCheckUtils]: 14: Hoare triple {700#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {700#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:03:06,414 INFO L280 TraceCheckUtils]: 15: Hoare triple {700#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {697#false} is VALID [2020-07-28 19:03:06,414 INFO L280 TraceCheckUtils]: 16: Hoare triple {697#false} havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {697#false} is VALID [2020-07-28 19:03:06,415 INFO L280 TraceCheckUtils]: 17: Hoare triple {697#false} __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret70 && __utac_acc__Specification4_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; {697#false} is VALID [2020-07-28 19:03:06,415 INFO L280 TraceCheckUtils]: 18: Hoare triple {697#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {697#false} is VALID [2020-07-28 19:03:06,415 INFO L280 TraceCheckUtils]: 19: Hoare triple {697#false} __utac_acc__Specification4_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {697#false} is VALID [2020-07-28 19:03:06,415 INFO L280 TraceCheckUtils]: 20: Hoare triple {697#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1; {697#false} is VALID [2020-07-28 19:03:06,416 INFO L280 TraceCheckUtils]: 21: Hoare triple {697#false} assume !false; {697#false} is VALID [2020-07-28 19:03:06,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:06,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321898376] [2020-07-28 19:03:06,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:06,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:03:06,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924862346] [2020-07-28 19:03:06,425 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 19:03:06,425 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:06,427 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:03:06,462 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:06,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:03:06,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:06,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:03:06,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:06,463 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 5 states. [2020-07-28 19:03:06,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:06,942 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2020-07-28 19:03:06,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:03:06,942 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 19:03:06,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:06,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:06,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 80 transitions. [2020-07-28 19:03:06,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:06,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 80 transitions. [2020-07-28 19:03:06,947 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 80 transitions. [2020-07-28 19:03:07,068 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:07,070 INFO L225 Difference]: With dead ends: 56 [2020-07-28 19:03:07,070 INFO L226 Difference]: Without dead ends: 31 [2020-07-28 19:03:07,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:03:07,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-28 19:03:07,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-28 19:03:07,108 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:07,108 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:07,108 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:07,108 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:07,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:07,111 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2020-07-28 19:03:07,111 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-07-28 19:03:07,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:07,112 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:07,112 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:07,112 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 19:03:07,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:07,114 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2020-07-28 19:03:07,114 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-07-28 19:03:07,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:07,114 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:07,115 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:07,115 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:07,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-28 19:03:07,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-07-28 19:03:07,116 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2020-07-28 19:03:07,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:07,117 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-07-28 19:03:07,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:03:07,117 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-07-28 19:03:07,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 19:03:07,118 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:07,118 INFO L422 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] [2020-07-28 19:03:07,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:03:07,118 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:07,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:07,119 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2020-07-28 19:03:07,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:07,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841371540] [2020-07-28 19:03:07,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:07,205 INFO L280 TraceCheckUtils]: 0: Hoare triple {893#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:07,206 INFO L280 TraceCheckUtils]: 1: Hoare triple {895#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:07,206 INFO L280 TraceCheckUtils]: 2: Hoare triple {895#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:07,207 INFO L280 TraceCheckUtils]: 3: Hoare triple {895#(= 1 ~waterLevel~0)} main_#t~ret69 := valid_product_#res;assume -2147483648 <= main_#t~ret69 && main_#t~ret69 <= 2147483647;main_~tmp~6 := main_#t~ret69;havoc main_#t~ret69; {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:07,207 INFO L280 TraceCheckUtils]: 4: Hoare triple {895#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~6; {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:07,208 INFO L280 TraceCheckUtils]: 5: Hoare triple {895#(= 1 ~waterLevel~0)} havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:07,209 INFO L280 TraceCheckUtils]: 6: Hoare triple {895#(= 1 ~waterLevel~0)} assume !false; {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:07,209 INFO L280 TraceCheckUtils]: 7: Hoare triple {895#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:07,210 INFO L280 TraceCheckUtils]: 8: Hoare triple {895#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet46 && test_#t~nondet46 <= 2147483647;test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:07,211 INFO L280 TraceCheckUtils]: 9: Hoare triple {895#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~3); {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:07,211 INFO L280 TraceCheckUtils]: 10: Hoare triple {895#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet47 && test_#t~nondet47 <= 2147483647;test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:07,212 INFO L280 TraceCheckUtils]: 11: Hoare triple {895#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:07,212 INFO L280 TraceCheckUtils]: 12: Hoare triple {895#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet48 && test_#t~nondet48 <= 2147483647;test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:07,213 INFO L280 TraceCheckUtils]: 13: Hoare triple {895#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:07,214 INFO L280 TraceCheckUtils]: 14: Hoare triple {895#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:07,214 INFO L280 TraceCheckUtils]: 15: Hoare triple {895#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:07,215 INFO L280 TraceCheckUtils]: 16: Hoare triple {895#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {895#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:07,216 INFO L280 TraceCheckUtils]: 17: Hoare triple {895#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {896#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:03:07,216 INFO L280 TraceCheckUtils]: 18: Hoare triple {896#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret70 && __utac_acc__Specification4_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; {897#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)} is VALID [2020-07-28 19:03:07,217 INFO L280 TraceCheckUtils]: 19: Hoare triple {897#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {894#false} is VALID [2020-07-28 19:03:07,217 INFO L280 TraceCheckUtils]: 20: Hoare triple {894#false} __utac_acc__Specification4_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {894#false} is VALID [2020-07-28 19:03:07,218 INFO L280 TraceCheckUtils]: 21: Hoare triple {894#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1; {894#false} is VALID [2020-07-28 19:03:07,218 INFO L280 TraceCheckUtils]: 22: Hoare triple {894#false} assume !false; {894#false} is VALID [2020-07-28 19:03:07,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:07,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841371540] [2020-07-28 19:03:07,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:07,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:03:07,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011511069] [2020-07-28 19:03:07,221 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 19:03:07,221 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:07,221 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:03:07,253 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:07,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:03:07,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:07,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:03:07,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:07,254 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2020-07-28 19:03:07,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:07,884 INFO L93 Difference]: Finished difference Result 110 states and 161 transitions. [2020-07-28 19:03:07,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:03:07,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 19:03:07,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:07,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:07,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 161 transitions. [2020-07-28 19:03:07,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:07,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 161 transitions. [2020-07-28 19:03:07,891 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 161 transitions. [2020-07-28 19:03:08,081 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 161 edges. 161 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:08,086 INFO L225 Difference]: With dead ends: 110 [2020-07-28 19:03:08,086 INFO L226 Difference]: Without dead ends: 85 [2020-07-28 19:03:08,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:03:08,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-07-28 19:03:08,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 52. [2020-07-28 19:03:08,159 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:08,159 INFO L82 GeneralOperation]: Start isEquivalent. First operand 85 states. Second operand 52 states. [2020-07-28 19:03:08,159 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand 52 states. [2020-07-28 19:03:08,159 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 52 states. [2020-07-28 19:03:08,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:08,166 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2020-07-28 19:03:08,167 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2020-07-28 19:03:08,167 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:08,167 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:08,168 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 85 states. [2020-07-28 19:03:08,168 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 85 states. [2020-07-28 19:03:08,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:08,173 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2020-07-28 19:03:08,173 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2020-07-28 19:03:08,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:08,175 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:08,175 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:08,175 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:08,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-07-28 19:03:08,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-07-28 19:03:08,180 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 23 [2020-07-28 19:03:08,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:08,181 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-07-28 19:03:08,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:03:08,181 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-07-28 19:03:08,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:03:08,182 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:08,182 INFO L422 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] [2020-07-28 19:03:08,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:03:08,182 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:08,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:08,182 INFO L82 PathProgramCache]: Analyzing trace with hash -951478396, now seen corresponding path program 1 times [2020-07-28 19:03:08,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:08,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247906000] [2020-07-28 19:03:08,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:08,309 INFO L280 TraceCheckUtils]: 0: Hoare triple {1307#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,310 INFO L280 TraceCheckUtils]: 1: Hoare triple {1309#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,311 INFO L280 TraceCheckUtils]: 2: Hoare triple {1309#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,311 INFO L280 TraceCheckUtils]: 3: Hoare triple {1309#(= 0 ~pumpRunning~0)} main_#t~ret69 := valid_product_#res;assume -2147483648 <= main_#t~ret69 && main_#t~ret69 <= 2147483647;main_~tmp~6 := main_#t~ret69;havoc main_#t~ret69; {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,312 INFO L280 TraceCheckUtils]: 4: Hoare triple {1309#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~6; {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,313 INFO L280 TraceCheckUtils]: 5: Hoare triple {1309#(= 0 ~pumpRunning~0)} havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,313 INFO L280 TraceCheckUtils]: 6: Hoare triple {1309#(= 0 ~pumpRunning~0)} assume !false; {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,314 INFO L280 TraceCheckUtils]: 7: Hoare triple {1309#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,315 INFO L280 TraceCheckUtils]: 8: Hoare triple {1309#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet46 && test_#t~nondet46 <= 2147483647;test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,315 INFO L280 TraceCheckUtils]: 9: Hoare triple {1309#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp~3; {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,316 INFO L280 TraceCheckUtils]: 10: Hoare triple {1309#(= 0 ~pumpRunning~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,317 INFO L280 TraceCheckUtils]: 11: Hoare triple {1309#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet47 && test_#t~nondet47 <= 2147483647;test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,320 INFO L280 TraceCheckUtils]: 12: Hoare triple {1309#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,320 INFO L280 TraceCheckUtils]: 13: Hoare triple {1309#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet48 && test_#t~nondet48 <= 2147483647;test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,322 INFO L280 TraceCheckUtils]: 14: Hoare triple {1309#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,323 INFO L280 TraceCheckUtils]: 15: Hoare triple {1309#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,323 INFO L280 TraceCheckUtils]: 16: Hoare triple {1309#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,324 INFO L280 TraceCheckUtils]: 17: Hoare triple {1309#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,324 INFO L280 TraceCheckUtils]: 18: Hoare triple {1309#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,325 INFO L280 TraceCheckUtils]: 19: Hoare triple {1309#(= 0 ~pumpRunning~0)} __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret70 && __utac_acc__Specification4_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; {1309#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:08,326 INFO L280 TraceCheckUtils]: 20: Hoare triple {1309#(= 0 ~pumpRunning~0)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {1310#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:03:08,327 INFO L280 TraceCheckUtils]: 21: Hoare triple {1310#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification4_spec__1_#t~ret71 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret71 && __utac_acc__Specification4_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~1 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; {1311#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~1)} is VALID [2020-07-28 19:03:08,328 INFO L280 TraceCheckUtils]: 22: Hoare triple {1311#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~1)} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~1; {1308#false} is VALID [2020-07-28 19:03:08,328 INFO L280 TraceCheckUtils]: 23: Hoare triple {1308#false} assume !false; {1308#false} is VALID [2020-07-28 19:03:08,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:08,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247906000] [2020-07-28 19:03:08,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:08,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:03:08,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448618563] [2020-07-28 19:03:08,331 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:03:08,331 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:08,331 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:03:08,370 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:08,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:03:08,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:08,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:03:08,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:08,372 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 5 states. [2020-07-28 19:03:08,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:08,872 INFO L93 Difference]: Finished difference Result 120 states and 173 transitions. [2020-07-28 19:03:08,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:03:08,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:03:08,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:08,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:08,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 120 transitions. [2020-07-28 19:03:08,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:08,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 120 transitions. [2020-07-28 19:03:08,877 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 120 transitions. [2020-07-28 19:03:09,007 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 120 edges. 120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:09,007 INFO L225 Difference]: With dead ends: 120 [2020-07-28 19:03:09,007 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:03:09,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:03:09,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:03:09,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:03:09,009 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:09,009 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:09,009 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:09,009 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:09,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:09,010 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:09,010 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:09,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:09,010 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:09,010 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:09,010 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:09,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:09,011 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:09,011 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:09,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:09,011 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:09,011 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:09,011 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:09,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:03:09,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:03:09,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-07-28 19:03:09,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:09,012 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:03:09,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:03:09,012 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:09,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:09,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:03:09,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:03:09,286 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 767) no Hoare annotation was computed. [2020-07-28 19:03:09,286 INFO L268 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-07-28 19:03:09,286 INFO L268 CegarLoopResult]: For program point L581(lines 581 585) no Hoare annotation was computed. [2020-07-28 19:03:09,287 INFO L264 CegarLoopResult]: At program point L581-2(lines 612 618) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~6)) [2020-07-28 19:03:09,287 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:03:09,287 INFO L264 CegarLoopResult]: At program point L714(lines 709 717) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~6)) [2020-07-28 19:03:09,288 INFO L264 CegarLoopResult]: At program point L714-1(lines 709 717) the Hoare annotation is: false [2020-07-28 19:03:09,288 INFO L268 CegarLoopResult]: For program point L648(lines 648 656) no Hoare annotation was computed. [2020-07-28 19:03:09,288 INFO L264 CegarLoopResult]: At program point L714-2(lines 709 717) the Hoare annotation is: false [2020-07-28 19:03:09,288 INFO L268 CegarLoopResult]: For program point L648-1(lines 648 656) no Hoare annotation was computed. [2020-07-28 19:03:09,288 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 656) no Hoare annotation was computed. [2020-07-28 19:03:09,289 INFO L271 CegarLoopResult]: At program point L863(lines 844 866) the Hoare annotation is: true [2020-07-28 19:03:09,289 INFO L268 CegarLoopResult]: For program point L880(lines 880 886) no Hoare annotation was computed. [2020-07-28 19:03:09,289 INFO L268 CegarLoopResult]: For program point L880-2(lines 880 886) no Hoare annotation was computed. [2020-07-28 19:03:09,289 INFO L268 CegarLoopResult]: For program point L880-4(lines 880 886) no Hoare annotation was computed. [2020-07-28 19:03:09,289 INFO L264 CegarLoopResult]: At program point L831(lines 827 833) the Hoare annotation is: (and (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~6)) [2020-07-28 19:03:09,289 INFO L264 CegarLoopResult]: At program point L783-2(lines 783 797) the Hoare annotation is: false [2020-07-28 19:03:09,289 INFO L264 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) [2020-07-28 19:03:09,290 INFO L268 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2020-07-28 19:03:09,290 INFO L268 CegarLoopResult]: For program point L767-1(line 767) no Hoare annotation was computed. [2020-07-28 19:03:09,290 INFO L268 CegarLoopResult]: For program point L767-2(line 767) no Hoare annotation was computed. [2020-07-28 19:03:09,290 INFO L268 CegarLoopResult]: For program point L90(lines 90 94) no Hoare annotation was computed. [2020-07-28 19:03:09,290 INFO L268 CegarLoopResult]: For program point L90-3(lines 90 94) no Hoare annotation was computed. [2020-07-28 19:03:09,292 INFO L268 CegarLoopResult]: For program point L90-6(lines 90 94) no Hoare annotation was computed. [2020-07-28 19:03:09,292 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-07-28 19:03:09,292 INFO L264 CegarLoopResult]: At program point L619(lines 619 625) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~6)) [2020-07-28 19:03:09,293 INFO L264 CegarLoopResult]: At program point L619-1(lines 619 625) the Hoare annotation is: false [2020-07-28 19:03:09,293 INFO L268 CegarLoopResult]: For program point L553(lines 553 559) no Hoare annotation was computed. [2020-07-28 19:03:09,293 INFO L264 CegarLoopResult]: At program point L619-2(lines 619 625) the Hoare annotation is: false [2020-07-28 19:03:09,293 INFO L264 CegarLoopResult]: At program point L553-1(lines 553 559) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~6)) [2020-07-28 19:03:09,293 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:03:09,294 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 767) no Hoare annotation was computed. [2020-07-28 19:03:09,294 INFO L264 CegarLoopResult]: At program point L159(lines 154 162) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~6)) [2020-07-28 19:03:09,294 INFO L264 CegarLoopResult]: At program point L159-1(lines 154 162) the Hoare annotation is: false [2020-07-28 19:03:09,294 INFO L264 CegarLoopResult]: At program point L159-2(lines 154 162) the Hoare annotation is: false [2020-07-28 19:03:09,294 INFO L268 CegarLoopResult]: For program point L787(lines 787 791) no Hoare annotation was computed. [2020-07-28 19:03:09,294 INFO L268 CegarLoopResult]: For program point L787-1(lines 612 618) no Hoare annotation was computed. [2020-07-28 19:03:09,294 INFO L264 CegarLoopResult]: At program point L705(lines 698 708) the Hoare annotation is: false [2020-07-28 19:03:09,295 INFO L264 CegarLoopResult]: At program point L705-1(lines 698 708) the Hoare annotation is: false [2020-07-28 19:03:09,295 INFO L264 CegarLoopResult]: At program point L127(lines 122 130) the Hoare annotation is: false [2020-07-28 19:03:09,295 INFO L264 CegarLoopResult]: At program point L705-2(lines 698 708) the Hoare annotation is: false [2020-07-28 19:03:09,295 INFO L264 CegarLoopResult]: At program point L127-1(lines 122 130) the Hoare annotation is: false [2020-07-28 19:03:09,295 INFO L268 CegarLoopResult]: For program point L573(lines 573 586) no Hoare annotation was computed. [2020-07-28 19:03:09,295 INFO L264 CegarLoopResult]: At program point L127-2(lines 122 130) the Hoare annotation is: false [2020-07-28 19:03:09,295 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:03:09,297 INFO L268 CegarLoopResult]: For program point L854(lines 854 861) no Hoare annotation was computed. [2020-07-28 19:03:09,297 INFO L271 CegarLoopResult]: At program point L854-1(lines 854 861) the Hoare annotation is: true [2020-07-28 19:03:09,297 INFO L264 CegarLoopResult]: At program point L591(lines 542 592) the Hoare annotation is: false [2020-07-28 19:03:09,297 INFO L268 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2020-07-28 19:03:09,298 INFO L264 CegarLoopResult]: At program point L65(lines 1 892) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) [2020-07-28 19:03:09,298 INFO L268 CegarLoopResult]: For program point L544(lines 543 590) no Hoare annotation was computed. [2020-07-28 19:03:09,298 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:03:09,298 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 767) no Hoare annotation was computed. [2020-07-28 19:03:09,298 INFO L268 CegarLoopResult]: For program point L644(lines 644 661) no Hoare annotation was computed. [2020-07-28 19:03:09,298 INFO L268 CegarLoopResult]: For program point L644-1(lines 644 661) no Hoare annotation was computed. [2020-07-28 19:03:09,298 INFO L268 CegarLoopResult]: For program point L644-2(lines 644 661) no Hoare annotation was computed. [2020-07-28 19:03:09,298 INFO L268 CegarLoopResult]: For program point L545(lines 545 549) no Hoare annotation was computed. [2020-07-28 19:03:09,299 INFO L268 CegarLoopResult]: For program point L876(lines 876 889) no Hoare annotation was computed. [2020-07-28 19:03:09,299 INFO L264 CegarLoopResult]: At program point L876-1(lines 1 892) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~6)) [2020-07-28 19:03:09,299 INFO L268 CegarLoopResult]: For program point L876-2(lines 876 889) no Hoare annotation was computed. [2020-07-28 19:03:09,299 INFO L264 CegarLoopResult]: At program point L876-3(lines 1 892) the Hoare annotation is: false [2020-07-28 19:03:09,299 INFO L268 CegarLoopResult]: For program point L876-4(lines 876 889) no Hoare annotation was computed. [2020-07-28 19:03:09,299 INFO L264 CegarLoopResult]: At program point L876-5(lines 1 892) the Hoare annotation is: false [2020-07-28 19:03:09,300 INFO L264 CegarLoopResult]: At program point L612(lines 611 630) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~6)) [2020-07-28 19:03:09,300 INFO L268 CegarLoopResult]: For program point L612-1(lines 612 618) no Hoare annotation was computed. [2020-07-28 19:03:09,300 INFO L264 CegarLoopResult]: At program point L612-2(lines 611 630) the Hoare annotation is: false [2020-07-28 19:03:09,300 INFO L264 CegarLoopResult]: At program point L612-3(lines 611 630) the Hoare annotation is: false [2020-07-28 19:03:09,300 INFO L268 CegarLoopResult]: For program point L563(lines 563 569) no Hoare annotation was computed. [2020-07-28 19:03:09,300 INFO L264 CegarLoopResult]: At program point L563-1(lines 563 569) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~6)) [2020-07-28 19:03:09,304 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:03:09,304 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:03:09,305 WARN L170 areAnnotationChecker]: L854 has no Hoare annotation [2020-07-28 19:03:09,305 WARN L170 areAnnotationChecker]: L854 has no Hoare annotation [2020-07-28 19:03:09,305 WARN L170 areAnnotationChecker]: L854 has no Hoare annotation [2020-07-28 19:03:09,306 WARN L170 areAnnotationChecker]: L544 has no Hoare annotation [2020-07-28 19:03:09,307 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:09,307 WARN L170 areAnnotationChecker]: L612-1 has no Hoare annotation [2020-07-28 19:03:09,307 WARN L170 areAnnotationChecker]: L544 has no Hoare annotation [2020-07-28 19:03:09,307 WARN L170 areAnnotationChecker]: L544 has no Hoare annotation [2020-07-28 19:03:09,307 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:09,307 WARN L170 areAnnotationChecker]: L612-1 has no Hoare annotation [2020-07-28 19:03:09,307 WARN L170 areAnnotationChecker]: L612-1 has no Hoare annotation [2020-07-28 19:03:09,307 WARN L170 areAnnotationChecker]: L545 has no Hoare annotation [2020-07-28 19:03:09,307 WARN L170 areAnnotationChecker]: L90-3 has no Hoare annotation [2020-07-28 19:03:09,308 WARN L170 areAnnotationChecker]: L90-3 has no Hoare annotation [2020-07-28 19:03:09,308 WARN L170 areAnnotationChecker]: L644-1 has no Hoare annotation [2020-07-28 19:03:09,308 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-28 19:03:09,308 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-28 19:03:09,308 WARN L170 areAnnotationChecker]: L644-1 has no Hoare annotation [2020-07-28 19:03:09,308 WARN L170 areAnnotationChecker]: L644-1 has no Hoare annotation [2020-07-28 19:03:09,308 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 19:03:09,308 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 19:03:09,308 WARN L170 areAnnotationChecker]: L563 has no Hoare annotation [2020-07-28 19:03:09,309 WARN L170 areAnnotationChecker]: L876-2 has no Hoare annotation [2020-07-28 19:03:09,309 WARN L170 areAnnotationChecker]: L563 has no Hoare annotation [2020-07-28 19:03:09,309 WARN L170 areAnnotationChecker]: L563 has no Hoare annotation [2020-07-28 19:03:09,309 WARN L170 areAnnotationChecker]: L648-1 has no Hoare annotation [2020-07-28 19:03:09,309 WARN L170 areAnnotationChecker]: L876-2 has no Hoare annotation [2020-07-28 19:03:09,309 WARN L170 areAnnotationChecker]: L876-2 has no Hoare annotation [2020-07-28 19:03:09,309 WARN L170 areAnnotationChecker]: L114 has no Hoare annotation [2020-07-28 19:03:09,309 WARN L170 areAnnotationChecker]: L114 has no Hoare annotation [2020-07-28 19:03:09,309 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2020-07-28 19:03:09,310 WARN L170 areAnnotationChecker]: L648-1 has no Hoare annotation [2020-07-28 19:03:09,310 WARN L170 areAnnotationChecker]: L648-1 has no Hoare annotation [2020-07-28 19:03:09,310 WARN L170 areAnnotationChecker]: L880-2 has no Hoare annotation [2020-07-28 19:03:09,310 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2020-07-28 19:03:09,310 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2020-07-28 19:03:09,310 WARN L170 areAnnotationChecker]: L880-2 has no Hoare annotation [2020-07-28 19:03:09,310 WARN L170 areAnnotationChecker]: L880-2 has no Hoare annotation [2020-07-28 19:03:09,310 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-28 19:03:09,310 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 19:03:09,315 WARN L170 areAnnotationChecker]: L581 has no Hoare annotation [2020-07-28 19:03:09,315 WARN L170 areAnnotationChecker]: L581 has no Hoare annotation [2020-07-28 19:03:09,315 WARN L170 areAnnotationChecker]: L767-1 has no Hoare annotation [2020-07-28 19:03:09,315 WARN L170 areAnnotationChecker]: L767-1 has no Hoare annotation [2020-07-28 19:03:09,315 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-28 19:03:09,316 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 19:03:09,316 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 19:03:09,316 WARN L170 areAnnotationChecker]: L644 has no Hoare annotation [2020-07-28 19:03:09,321 WARN L170 areAnnotationChecker]: L787 has no Hoare annotation [2020-07-28 19:03:09,321 WARN L170 areAnnotationChecker]: L787 has no Hoare annotation [2020-07-28 19:03:09,322 WARN L170 areAnnotationChecker]: L644 has no Hoare annotation [2020-07-28 19:03:09,322 WARN L170 areAnnotationChecker]: L644 has no Hoare annotation [2020-07-28 19:03:09,323 WARN L170 areAnnotationChecker]: L787-1 has no Hoare annotation [2020-07-28 19:03:09,323 WARN L170 areAnnotationChecker]: L787-1 has no Hoare annotation [2020-07-28 19:03:09,323 WARN L170 areAnnotationChecker]: L876 has no Hoare annotation [2020-07-28 19:03:09,323 WARN L170 areAnnotationChecker]: L90-6 has no Hoare annotation [2020-07-28 19:03:09,323 WARN L170 areAnnotationChecker]: L90-6 has no Hoare annotation [2020-07-28 19:03:09,324 WARN L170 areAnnotationChecker]: L644-2 has no Hoare annotation [2020-07-28 19:03:09,324 WARN L170 areAnnotationChecker]: L648 has no Hoare annotation [2020-07-28 19:03:09,324 WARN L170 areAnnotationChecker]: L876 has no Hoare annotation [2020-07-28 19:03:09,324 WARN L170 areAnnotationChecker]: L876 has no Hoare annotation [2020-07-28 19:03:09,324 WARN L170 areAnnotationChecker]: L644-2 has no Hoare annotation [2020-07-28 19:03:09,324 WARN L170 areAnnotationChecker]: L644-2 has no Hoare annotation [2020-07-28 19:03:09,325 WARN L170 areAnnotationChecker]: L648 has no Hoare annotation [2020-07-28 19:03:09,325 WARN L170 areAnnotationChecker]: L648 has no Hoare annotation [2020-07-28 19:03:09,325 WARN L170 areAnnotationChecker]: L880 has no Hoare annotation [2020-07-28 19:03:09,325 WARN L170 areAnnotationChecker]: L876-4 has no Hoare annotation [2020-07-28 19:03:09,325 WARN L170 areAnnotationChecker]: L880 has no Hoare annotation [2020-07-28 19:03:09,325 WARN L170 areAnnotationChecker]: L880 has no Hoare annotation [2020-07-28 19:03:09,325 WARN L170 areAnnotationChecker]: L648-2 has no Hoare annotation [2020-07-28 19:03:09,326 WARN L170 areAnnotationChecker]: L876-4 has no Hoare annotation [2020-07-28 19:03:09,326 WARN L170 areAnnotationChecker]: L876-4 has no Hoare annotation [2020-07-28 19:03:09,326 WARN L170 areAnnotationChecker]: L767 has no Hoare annotation [2020-07-28 19:03:09,326 WARN L170 areAnnotationChecker]: L767 has no Hoare annotation [2020-07-28 19:03:09,326 WARN L170 areAnnotationChecker]: L648-2 has no Hoare annotation [2020-07-28 19:03:09,326 WARN L170 areAnnotationChecker]: L648-2 has no Hoare annotation [2020-07-28 19:03:09,326 WARN L170 areAnnotationChecker]: L880-4 has no Hoare annotation [2020-07-28 19:03:09,326 WARN L170 areAnnotationChecker]: L880-4 has no Hoare annotation [2020-07-28 19:03:09,326 WARN L170 areAnnotationChecker]: L880-4 has no Hoare annotation [2020-07-28 19:03:09,327 WARN L170 areAnnotationChecker]: L767-2 has no Hoare annotation [2020-07-28 19:03:09,327 WARN L170 areAnnotationChecker]: L767-2 has no Hoare annotation [2020-07-28 19:03:09,327 INFO L163 areAnnotationChecker]: CFG has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:03:09,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:03:09 BoogieIcfgContainer [2020-07-28 19:03:09,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:03:09,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:03:09,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:03:09,349 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:03:09,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:04" (3/4) ... [2020-07-28 19:03:09,354 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:03:09,374 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:03:09,375 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:03:09,375 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:03:09,376 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:03:09,377 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:03:09,377 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:09,378 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:09,409 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == \result && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel [2020-07-28 19:03:09,409 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == \result && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp [2020-07-28 19:03:09,410 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp [2020-07-28 19:03:09,410 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp [2020-07-28 19:03:09,411 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp [2020-07-28 19:03:09,412 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp [2020-07-28 19:03:09,412 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp [2020-07-28 19:03:09,412 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp [2020-07-28 19:03:09,413 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp [2020-07-28 19:03:09,414 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == \result) && 0 == pumpRunning) && 1 == tmp [2020-07-28 19:03:09,470 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:03:09,470 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:03:09,474 INFO L168 Benchmark]: Toolchain (without parser) took 7087.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.1 MB). Free memory was 957.5 MB in the beginning and 833.1 MB in the end (delta: 124.5 MB). Peak memory consumption was 341.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:09,474 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:03:09,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:09,475 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:09,475 INFO L168 Benchmark]: Boogie Preprocessor took 57.83 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. [2020-07-28 19:03:09,476 INFO L168 Benchmark]: RCFGBuilder took 1354.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.2 MB in the end (delta: 144.6 MB). Peak memory consumption was 144.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:09,476 INFO L168 Benchmark]: TraceAbstraction took 4838.87 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.0 MB). Free memory was 966.2 MB in the beginning and 840.8 MB in the end (delta: 125.4 MB). Peak memory consumption was 201.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:09,477 INFO L168 Benchmark]: Witness Printer took 122.03 ms. Allocated memory is still 1.2 GB. Free memory was 840.8 MB in the beginning and 833.1 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:09,479 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 623.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -166.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1354.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.2 MB in the end (delta: 144.6 MB). Peak memory consumption was 144.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4838.87 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.0 MB). Free memory was 966.2 MB in the beginning and 840.8 MB in the end (delta: 125.4 MB). Peak memory consumption was 201.4 MB. Max. memory is 11.5 GB. * Witness Printer took 122.03 ms. Allocated memory is still 1.2 GB. Free memory was 840.8 MB in the beginning and 833.1 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 767]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 767]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 767]: 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: 611]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((1 == \result && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: ((((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == \result) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (((1 == \result && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel) && 1 == tmp - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (!(0 == systemActive) && 0 == pumpRunning) && 1 == waterLevel - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == tmp - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 286 SDtfs, 340 SDslu, 206 SDs, 0 SdLazy, 52 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 33 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 61 NumberOfFragments, 201 HoareAnnotationTreeSize, 31 FomulaSimplifications, 908 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4057 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...