./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product57.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_spec1_product57.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 edf277e8e45bc51905c3746c53b47e5f504df38a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:58:39,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:58:39,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:58:39,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:58:39,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:58:39,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:58:39,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:58:39,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:58:39,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:58:39,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:58:39,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:58:39,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:58:39,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:58:39,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:58:39,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:58:39,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:58:39,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:58:39,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:58:39,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:58:39,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:58:39,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:58:39,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:58:39,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:58:39,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:58:39,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:58:39,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:58:39,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:58:39,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:58:39,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:58:39,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:58:39,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:58:39,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:58:39,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:58:39,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:58:39,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:58:39,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:58:39,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:58:39,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:58:39,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:58:39,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:58:39,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:58:39,139 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:58:39,164 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:58:39,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:58:39,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:58:39,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:58:39,169 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:58:39,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:58:39,170 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:58:39,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:58:39,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:58:39,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:58:39,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:58:39,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:58:39,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:58:39,173 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:58:39,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:58:39,174 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:58:39,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:58:39,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:58:39,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:58:39,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:58:39,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:58:39,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:39,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:58:39,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:58:39,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:58:39,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:58:39,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:58:39,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:58:39,178 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:58:39,178 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 -> edf277e8e45bc51905c3746c53b47e5f504df38a [2020-07-28 18:58:39,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:58:39,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:58:39,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:58:39,516 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:58:39,517 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:58:39,518 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2020-07-28 18:58:39,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5081929be/ecd6362a7e90470983a984e1dfaa2286/FLAG02b22cf43 [2020-07-28 18:58:40,177 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:58:40,178 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2020-07-28 18:58:40,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5081929be/ecd6362a7e90470983a984e1dfaa2286/FLAG02b22cf43 [2020-07-28 18:58:40,526 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5081929be/ecd6362a7e90470983a984e1dfaa2286 [2020-07-28 18:58:40,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:58:40,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:58:40,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:40,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:58:40,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:58:40,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:40" (1/1) ... [2020-07-28 18:58:40,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662e0e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:40, skipping insertion in model container [2020-07-28 18:58:40,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:40" (1/1) ... [2020-07-28 18:58:40,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:58:40,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:58:41,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:41,061 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:58:41,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:41,208 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:58:41,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:41 WrapperNode [2020-07-28 18:58:41,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:41,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:41,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:58:41,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:58:41,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:41" (1/1) ... [2020-07-28 18:58:41,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:41" (1/1) ... [2020-07-28 18:58:41,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:41,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:58:41,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:58:41,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:58:41,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:41" (1/1) ... [2020-07-28 18:58:41,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:41" (1/1) ... [2020-07-28 18:58:41,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:41" (1/1) ... [2020-07-28 18:58:41,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:41" (1/1) ... [2020-07-28 18:58:41,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:41" (1/1) ... [2020-07-28 18:58:41,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:41" (1/1) ... [2020-07-28 18:58:41,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:41" (1/1) ... [2020-07-28 18:58:41,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:58:41,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:58:41,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:58:41,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:58:41,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:41" (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 18:58:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:58:41,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:58:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:58:41,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:58:43,163 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:58:43,164 INFO L295 CfgBuilder]: Removed 192 assume(true) statements. [2020-07-28 18:58:43,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:43 BoogieIcfgContainer [2020-07-28 18:58:43,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:58:43,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:58:43,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:58:43,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:58:43,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:58:40" (1/3) ... [2020-07-28 18:58:43,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf5e1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:43, skipping insertion in model container [2020-07-28 18:58:43,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:41" (2/3) ... [2020-07-28 18:58:43,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf5e1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:43, skipping insertion in model container [2020-07-28 18:58:43,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:43" (3/3) ... [2020-07-28 18:58:43,186 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2020-07-28 18:58:43,198 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:58:43,208 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:58:43,224 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:58:43,259 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:58:43,259 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:58:43,259 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:58:43,261 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:58:43,261 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:58:43,261 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:58:43,262 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:58:43,262 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:58:43,296 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2020-07-28 18:58:43,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:58:43,305 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:43,306 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:43,307 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:43,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:43,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1916587088, now seen corresponding path program 1 times [2020-07-28 18:58:43,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:43,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111440875] [2020-07-28 18:58:43,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:43,602 INFO L280 TraceCheckUtils]: 0: Hoare triple {138#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {138#true} is VALID [2020-07-28 18:58:43,603 INFO L280 TraceCheckUtils]: 1: Hoare triple {138#true} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {138#true} is VALID [2020-07-28 18:58:43,603 INFO L280 TraceCheckUtils]: 2: Hoare triple {138#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; {138#true} is VALID [2020-07-28 18:58:43,604 INFO L280 TraceCheckUtils]: 3: Hoare triple {138#true} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {138#true} is VALID [2020-07-28 18:58:43,604 INFO L280 TraceCheckUtils]: 4: Hoare triple {138#true} assume 0 != main_~tmp~10; {138#true} is VALID [2020-07-28 18:58:43,605 INFO L280 TraceCheckUtils]: 5: Hoare triple {138#true} havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {138#true} is VALID [2020-07-28 18:58:43,606 INFO L280 TraceCheckUtils]: 6: Hoare triple {138#true} assume false; {139#false} is VALID [2020-07-28 18:58:43,607 INFO L280 TraceCheckUtils]: 7: Hoare triple {139#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {139#false} is VALID [2020-07-28 18:58:43,607 INFO L280 TraceCheckUtils]: 8: Hoare triple {139#false} assume !(0 != ~pumpRunning~0); {139#false} is VALID [2020-07-28 18:58:43,608 INFO L280 TraceCheckUtils]: 9: Hoare triple {139#false} assume !(0 != ~systemActive~0); {139#false} is VALID [2020-07-28 18:58:43,608 INFO L280 TraceCheckUtils]: 10: Hoare triple {139#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {139#false} is VALID [2020-07-28 18:58:43,609 INFO L280 TraceCheckUtils]: 11: Hoare triple {139#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {139#false} is VALID [2020-07-28 18:58:43,609 INFO L280 TraceCheckUtils]: 12: Hoare triple {139#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {139#false} is VALID [2020-07-28 18:58:43,610 INFO L280 TraceCheckUtils]: 13: Hoare triple {139#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {139#false} is VALID [2020-07-28 18:58:43,610 INFO L280 TraceCheckUtils]: 14: Hoare triple {139#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {139#false} is VALID [2020-07-28 18:58:43,611 INFO L280 TraceCheckUtils]: 15: Hoare triple {139#false} assume !false; {139#false} is VALID [2020-07-28 18:58:43,614 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 18:58:43,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111440875] [2020-07-28 18:58:43,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:43,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:43,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254599583] [2020-07-28 18:58:43,624 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:43,626 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:43,629 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:58:43,667 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 18:58:43,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:58:43,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:43,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:58:43,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:43,681 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2020-07-28 18:58:44,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:44,011 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2020-07-28 18:58:44,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:58:44,011 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:44,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:44,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:44,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 395 transitions. [2020-07-28 18:58:44,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:44,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 395 transitions. [2020-07-28 18:58:44,037 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 395 transitions. [2020-07-28 18:58:44,566 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 395 edges. 395 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:44,584 INFO L225 Difference]: With dead ends: 264 [2020-07-28 18:58:44,584 INFO L226 Difference]: Without dead ends: 131 [2020-07-28 18:58:44,588 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 18:58:44,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-28 18:58:44,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-07-28 18:58:44,660 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:44,660 INFO L82 GeneralOperation]: Start isEquivalent. First operand 131 states. Second operand 131 states. [2020-07-28 18:58:44,661 INFO L74 IsIncluded]: Start isIncluded. First operand 131 states. Second operand 131 states. [2020-07-28 18:58:44,661 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 131 states. [2020-07-28 18:58:44,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:44,670 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-07-28 18:58:44,671 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-07-28 18:58:44,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:44,672 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:44,673 INFO L74 IsIncluded]: Start isIncluded. First operand 131 states. Second operand 131 states. [2020-07-28 18:58:44,673 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 131 states. [2020-07-28 18:58:44,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:44,681 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-07-28 18:58:44,681 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-07-28 18:58:44,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:44,683 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:44,683 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:44,683 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:44,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-28 18:58:44,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2020-07-28 18:58:44,692 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2020-07-28 18:58:44,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:44,693 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2020-07-28 18:58:44,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:58:44,693 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-07-28 18:58:44,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:58:44,694 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:44,694 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 18:58:44,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:58:44,695 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:44,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:44,695 INFO L82 PathProgramCache]: Analyzing trace with hash 869830191, now seen corresponding path program 1 times [2020-07-28 18:58:44,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:44,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923717452] [2020-07-28 18:58:44,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:44,906 INFO L280 TraceCheckUtils]: 0: Hoare triple {956#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {956#true} is VALID [2020-07-28 18:58:44,906 INFO L280 TraceCheckUtils]: 1: Hoare triple {956#true} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {956#true} is VALID [2020-07-28 18:58:44,906 INFO L280 TraceCheckUtils]: 2: Hoare triple {956#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; {956#true} is VALID [2020-07-28 18:58:44,907 INFO L280 TraceCheckUtils]: 3: Hoare triple {956#true} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {956#true} is VALID [2020-07-28 18:58:44,907 INFO L280 TraceCheckUtils]: 4: Hoare triple {956#true} assume 0 != main_~tmp~10; {956#true} is VALID [2020-07-28 18:58:44,908 INFO L280 TraceCheckUtils]: 5: Hoare triple {956#true} havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {958#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:44,909 INFO L280 TraceCheckUtils]: 6: Hoare triple {958#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {958#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:44,909 INFO L280 TraceCheckUtils]: 7: Hoare triple {958#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {957#false} is VALID [2020-07-28 18:58:44,909 INFO L280 TraceCheckUtils]: 8: Hoare triple {957#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {957#false} is VALID [2020-07-28 18:58:44,910 INFO L280 TraceCheckUtils]: 9: Hoare triple {957#false} assume !(0 != ~pumpRunning~0); {957#false} is VALID [2020-07-28 18:58:44,910 INFO L280 TraceCheckUtils]: 10: Hoare triple {957#false} assume !(0 != ~systemActive~0); {957#false} is VALID [2020-07-28 18:58:44,910 INFO L280 TraceCheckUtils]: 11: Hoare triple {957#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {957#false} is VALID [2020-07-28 18:58:44,911 INFO L280 TraceCheckUtils]: 12: Hoare triple {957#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {957#false} is VALID [2020-07-28 18:58:44,911 INFO L280 TraceCheckUtils]: 13: Hoare triple {957#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {957#false} is VALID [2020-07-28 18:58:44,911 INFO L280 TraceCheckUtils]: 14: Hoare triple {957#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {957#false} is VALID [2020-07-28 18:58:44,911 INFO L280 TraceCheckUtils]: 15: Hoare triple {957#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {957#false} is VALID [2020-07-28 18:58:44,912 INFO L280 TraceCheckUtils]: 16: Hoare triple {957#false} assume !false; {957#false} is VALID [2020-07-28 18:58:44,913 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 18:58:44,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923717452] [2020-07-28 18:58:44,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:44,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:44,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303034278] [2020-07-28 18:58:44,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:44,916 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:44,916 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:44,949 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 18:58:44,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:44,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:44,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:44,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:44,950 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2020-07-28 18:58:45,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:45,192 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-07-28 18:58:45,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:45,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:45,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:45,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:45,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions. [2020-07-28 18:58:45,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:45,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions. [2020-07-28 18:58:45,199 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 189 transitions. [2020-07-28 18:58:45,392 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 189 edges. 189 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:45,395 INFO L225 Difference]: With dead ends: 131 [2020-07-28 18:58:45,395 INFO L226 Difference]: Without dead ends: 53 [2020-07-28 18:58:45,397 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 18:58:45,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-28 18:58:45,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-07-28 18:58:45,429 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:45,429 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:45,429 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:45,429 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:45,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:45,432 INFO L93 Difference]: Finished difference Result 53 states and 76 transitions. [2020-07-28 18:58:45,432 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-07-28 18:58:45,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:45,435 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:45,435 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:45,435 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:45,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:45,439 INFO L93 Difference]: Finished difference Result 53 states and 76 transitions. [2020-07-28 18:58:45,440 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-07-28 18:58:45,440 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:45,440 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:45,440 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:45,441 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:45,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-28 18:58:45,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-07-28 18:58:45,443 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2020-07-28 18:58:45,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:45,443 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-07-28 18:58:45,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:45,444 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-07-28 18:58:45,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:58:45,444 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:45,445 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 18:58:45,445 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:58:45,445 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:45,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:45,446 INFO L82 PathProgramCache]: Analyzing trace with hash 105563969, now seen corresponding path program 1 times [2020-07-28 18:58:45,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:45,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608514780] [2020-07-28 18:58:45,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:45,558 INFO L280 TraceCheckUtils]: 0: Hoare triple {1323#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1325#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:45,559 INFO L280 TraceCheckUtils]: 1: Hoare triple {1325#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {1325#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:45,560 INFO L280 TraceCheckUtils]: 2: Hoare triple {1325#(= 1 ~systemActive~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; {1325#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:45,561 INFO L280 TraceCheckUtils]: 3: Hoare triple {1325#(= 1 ~systemActive~0)} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {1325#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:45,561 INFO L280 TraceCheckUtils]: 4: Hoare triple {1325#(= 1 ~systemActive~0)} assume 0 != main_~tmp~10; {1325#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:45,562 INFO L280 TraceCheckUtils]: 5: Hoare triple {1325#(= 1 ~systemActive~0)} havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1325#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:45,566 INFO L280 TraceCheckUtils]: 6: Hoare triple {1325#(= 1 ~systemActive~0)} assume !false; {1325#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:45,566 INFO L280 TraceCheckUtils]: 7: Hoare triple {1325#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {1325#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:45,567 INFO L280 TraceCheckUtils]: 8: Hoare triple {1325#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; {1325#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:45,568 INFO L280 TraceCheckUtils]: 9: Hoare triple {1325#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~4); {1325#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:45,569 INFO L280 TraceCheckUtils]: 10: Hoare triple {1325#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; {1325#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:45,570 INFO L280 TraceCheckUtils]: 11: Hoare triple {1325#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~1); {1325#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:45,571 INFO L280 TraceCheckUtils]: 12: Hoare triple {1325#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet40 && test_#t~nondet40 <= 2147483647;test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; {1325#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:45,572 INFO L280 TraceCheckUtils]: 13: Hoare triple {1325#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {1325#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:45,572 INFO L280 TraceCheckUtils]: 14: Hoare triple {1325#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {1325#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:45,573 INFO L280 TraceCheckUtils]: 15: Hoare triple {1325#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {1324#false} is VALID [2020-07-28 18:58:45,574 INFO L280 TraceCheckUtils]: 16: Hoare triple {1324#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {1324#false} is VALID [2020-07-28 18:58:45,574 INFO L280 TraceCheckUtils]: 17: Hoare triple {1324#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {1324#false} is VALID [2020-07-28 18:58:45,574 INFO L280 TraceCheckUtils]: 18: Hoare triple {1324#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {1324#false} is VALID [2020-07-28 18:58:45,575 INFO L280 TraceCheckUtils]: 19: Hoare triple {1324#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {1324#false} is VALID [2020-07-28 18:58:45,575 INFO L280 TraceCheckUtils]: 20: Hoare triple {1324#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {1324#false} is VALID [2020-07-28 18:58:45,575 INFO L280 TraceCheckUtils]: 21: Hoare triple {1324#false} assume !false; {1324#false} is VALID [2020-07-28 18:58:45,577 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 18:58:45,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608514780] [2020-07-28 18:58:45,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:45,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:45,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000588724] [2020-07-28 18:58:45,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:58:45,578 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:45,579 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:45,609 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 18:58:45,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:45,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:45,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:45,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:45,610 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2020-07-28 18:58:45,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:45,770 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2020-07-28 18:58:45,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:45,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:58:45,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:45,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:45,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2020-07-28 18:58:45,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:45,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2020-07-28 18:58:45,776 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 146 transitions. [2020-07-28 18:58:45,965 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 146 edges. 146 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:45,967 INFO L225 Difference]: With dead ends: 100 [2020-07-28 18:58:45,967 INFO L226 Difference]: Without dead ends: 53 [2020-07-28 18:58:45,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:45,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-28 18:58:46,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-07-28 18:58:46,000 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:46,000 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:46,000 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:46,000 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:46,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:46,003 INFO L93 Difference]: Finished difference Result 53 states and 75 transitions. [2020-07-28 18:58:46,004 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-07-28 18:58:46,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:46,004 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:46,004 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:46,004 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:46,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:46,007 INFO L93 Difference]: Finished difference Result 53 states and 75 transitions. [2020-07-28 18:58:46,007 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-07-28 18:58:46,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:46,007 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:46,008 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:46,008 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:46,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-28 18:58:46,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2020-07-28 18:58:46,010 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2020-07-28 18:58:46,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:46,011 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2020-07-28 18:58:46,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:46,011 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-07-28 18:58:46,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:58:46,011 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:46,012 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 18:58:46,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:58:46,012 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:46,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:46,012 INFO L82 PathProgramCache]: Analyzing trace with hash -72226312, now seen corresponding path program 1 times [2020-07-28 18:58:46,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:46,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376029987] [2020-07-28 18:58:46,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:46,091 INFO L280 TraceCheckUtils]: 0: Hoare triple {1644#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:46,092 INFO L280 TraceCheckUtils]: 1: Hoare triple {1646#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:46,092 INFO L280 TraceCheckUtils]: 2: Hoare triple {1646#(= 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; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:46,093 INFO L280 TraceCheckUtils]: 3: Hoare triple {1646#(= 0 ~pumpRunning~0)} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:46,093 INFO L280 TraceCheckUtils]: 4: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~10; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:46,094 INFO L280 TraceCheckUtils]: 5: Hoare triple {1646#(= 0 ~pumpRunning~0)} havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:46,094 INFO L280 TraceCheckUtils]: 6: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume !false; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:46,095 INFO L280 TraceCheckUtils]: 7: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:46,096 INFO L280 TraceCheckUtils]: 8: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:46,096 INFO L280 TraceCheckUtils]: 9: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~4); {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:46,097 INFO L280 TraceCheckUtils]: 10: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:46,097 INFO L280 TraceCheckUtils]: 11: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:46,098 INFO L280 TraceCheckUtils]: 12: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet40 && test_#t~nondet40 <= 2147483647;test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:46,098 INFO L280 TraceCheckUtils]: 13: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:46,099 INFO L280 TraceCheckUtils]: 14: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:46,100 INFO L280 TraceCheckUtils]: 15: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:46,100 INFO L280 TraceCheckUtils]: 16: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:46,101 INFO L280 TraceCheckUtils]: 17: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1645#false} is VALID [2020-07-28 18:58:46,101 INFO L280 TraceCheckUtils]: 18: Hoare triple {1645#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {1645#false} is VALID [2020-07-28 18:58:46,101 INFO L280 TraceCheckUtils]: 19: Hoare triple {1645#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {1645#false} is VALID [2020-07-28 18:58:46,101 INFO L280 TraceCheckUtils]: 20: Hoare triple {1645#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {1645#false} is VALID [2020-07-28 18:58:46,102 INFO L280 TraceCheckUtils]: 21: Hoare triple {1645#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {1645#false} is VALID [2020-07-28 18:58:46,102 INFO L280 TraceCheckUtils]: 22: Hoare triple {1645#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {1645#false} is VALID [2020-07-28 18:58:46,102 INFO L280 TraceCheckUtils]: 23: Hoare triple {1645#false} assume !false; {1645#false} is VALID [2020-07-28 18:58:46,103 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 18:58:46,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376029987] [2020-07-28 18:58:46,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:46,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:46,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160019378] [2020-07-28 18:58:46,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:58:46,105 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:46,105 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:46,137 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 18:58:46,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:46,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:46,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:46,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:46,138 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2020-07-28 18:58:46,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:46,372 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2020-07-28 18:58:46,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:46,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:58:46,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:46,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:46,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 174 transitions. [2020-07-28 18:58:46,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:46,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 174 transitions. [2020-07-28 18:58:46,380 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 174 transitions. [2020-07-28 18:58:46,590 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:46,592 INFO L225 Difference]: With dead ends: 121 [2020-07-28 18:58:46,592 INFO L226 Difference]: Without dead ends: 74 [2020-07-28 18:58:46,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:46,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-07-28 18:58:46,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2020-07-28 18:58:46,635 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:46,635 INFO L82 GeneralOperation]: Start isEquivalent. First operand 74 states. Second operand 72 states. [2020-07-28 18:58:46,635 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 72 states. [2020-07-28 18:58:46,635 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 72 states. [2020-07-28 18:58:46,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:46,638 INFO L93 Difference]: Finished difference Result 74 states and 102 transitions. [2020-07-28 18:58:46,638 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2020-07-28 18:58:46,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:46,638 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:46,639 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 74 states. [2020-07-28 18:58:46,639 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 74 states. [2020-07-28 18:58:46,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:46,641 INFO L93 Difference]: Finished difference Result 74 states and 102 transitions. [2020-07-28 18:58:46,642 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2020-07-28 18:58:46,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:46,642 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:46,642 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:46,642 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:46,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-28 18:58:46,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2020-07-28 18:58:46,645 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2020-07-28 18:58:46,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:46,645 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2020-07-28 18:58:46,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:46,646 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2020-07-28 18:58:46,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-28 18:58:46,646 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:46,647 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, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:46,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:58:46,647 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:46,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:46,647 INFO L82 PathProgramCache]: Analyzing trace with hash 615192364, now seen corresponding path program 1 times [2020-07-28 18:58:46,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:46,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247580101] [2020-07-28 18:58:46,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:46,803 INFO L280 TraceCheckUtils]: 0: Hoare triple {2061#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,804 INFO L280 TraceCheckUtils]: 1: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,804 INFO L280 TraceCheckUtils]: 2: Hoare triple {2063#(= 0 ~methaneLevelCritical~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; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,805 INFO L280 TraceCheckUtils]: 3: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,805 INFO L280 TraceCheckUtils]: 4: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~10; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,806 INFO L280 TraceCheckUtils]: 5: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,806 INFO L280 TraceCheckUtils]: 6: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} assume !false; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,807 INFO L280 TraceCheckUtils]: 7: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,808 INFO L280 TraceCheckUtils]: 8: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,808 INFO L280 TraceCheckUtils]: 9: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~4); {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,809 INFO L280 TraceCheckUtils]: 10: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,810 INFO L280 TraceCheckUtils]: 11: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~1); {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,811 INFO L280 TraceCheckUtils]: 12: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet40 && test_#t~nondet40 <= 2147483647;test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,812 INFO L280 TraceCheckUtils]: 13: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,814 INFO L280 TraceCheckUtils]: 14: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,816 INFO L280 TraceCheckUtils]: 15: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,817 INFO L280 TraceCheckUtils]: 16: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,817 INFO L280 TraceCheckUtils]: 17: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret62, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,818 INFO L280 TraceCheckUtils]: 18: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,819 INFO L280 TraceCheckUtils]: 19: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_#t~ret62 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret62 && isHighWaterLevel_#t~ret62 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret62;havoc isHighWaterLevel_#t~ret62; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,819 INFO L280 TraceCheckUtils]: 20: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~2 := 0; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,820 INFO L280 TraceCheckUtils]: 21: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,821 INFO L280 TraceCheckUtils]: 22: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} processEnvironment__wrappee__highWaterSensor_#t~ret42 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret42 && processEnvironment__wrappee__highWaterSensor_#t~ret42 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret42;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42; {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,821 INFO L280 TraceCheckUtils]: 23: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); {2063#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:46,823 INFO L280 TraceCheckUtils]: 24: Hoare triple {2063#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {2064#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:58:46,824 INFO L280 TraceCheckUtils]: 25: Hoare triple {2064#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {2065#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0)} is VALID [2020-07-28 18:58:46,825 INFO L280 TraceCheckUtils]: 26: Hoare triple {2065#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {2062#false} is VALID [2020-07-28 18:58:46,826 INFO L280 TraceCheckUtils]: 27: Hoare triple {2062#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {2062#false} is VALID [2020-07-28 18:58:46,826 INFO L280 TraceCheckUtils]: 28: Hoare triple {2062#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {2062#false} is VALID [2020-07-28 18:58:46,826 INFO L280 TraceCheckUtils]: 29: Hoare triple {2062#false} assume !false; {2062#false} is VALID [2020-07-28 18:58:46,828 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 18:58:46,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247580101] [2020-07-28 18:58:46,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:46,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:46,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814191137] [2020-07-28 18:58:46,829 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 18:58:46,829 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:46,830 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:46,872 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:46,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:46,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:46,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:46,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:46,874 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2020-07-28 18:58:47,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:47,942 INFO L93 Difference]: Finished difference Result 372 states and 538 transitions. [2020-07-28 18:58:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:58:47,942 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 18:58:47,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:47,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:47,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 411 transitions. [2020-07-28 18:58:47,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 411 transitions. [2020-07-28 18:58:47,959 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 411 transitions. [2020-07-28 18:58:48,453 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 411 edges. 411 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:48,464 INFO L225 Difference]: With dead ends: 372 [2020-07-28 18:58:48,464 INFO L226 Difference]: Without dead ends: 306 [2020-07-28 18:58:48,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:48,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-07-28 18:58:48,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 132. [2020-07-28 18:58:48,609 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:48,609 INFO L82 GeneralOperation]: Start isEquivalent. First operand 306 states. Second operand 132 states. [2020-07-28 18:58:48,609 INFO L74 IsIncluded]: Start isIncluded. First operand 306 states. Second operand 132 states. [2020-07-28 18:58:48,609 INFO L87 Difference]: Start difference. First operand 306 states. Second operand 132 states. [2020-07-28 18:58:48,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:48,622 INFO L93 Difference]: Finished difference Result 306 states and 438 transitions. [2020-07-28 18:58:48,622 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 438 transitions. [2020-07-28 18:58:48,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:48,623 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:48,624 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand 306 states. [2020-07-28 18:58:48,624 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 306 states. [2020-07-28 18:58:48,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:48,636 INFO L93 Difference]: Finished difference Result 306 states and 438 transitions. [2020-07-28 18:58:48,636 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 438 transitions. [2020-07-28 18:58:48,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:48,637 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:48,638 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:48,638 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:48,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-28 18:58:48,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2020-07-28 18:58:48,643 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 30 [2020-07-28 18:58:48,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:48,643 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2020-07-28 18:58:48,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:48,644 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2020-07-28 18:58:48,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:48,645 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:48,645 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, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:48,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:58:48,646 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:48,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:48,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1286960866, now seen corresponding path program 1 times [2020-07-28 18:58:48,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:48,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293749160] [2020-07-28 18:58:48,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:48,742 INFO L280 TraceCheckUtils]: 0: Hoare triple {3378#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,743 INFO L280 TraceCheckUtils]: 1: Hoare triple {3380#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,744 INFO L280 TraceCheckUtils]: 2: Hoare triple {3380#(= 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; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,745 INFO L280 TraceCheckUtils]: 3: Hoare triple {3380#(= 0 ~pumpRunning~0)} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,745 INFO L280 TraceCheckUtils]: 4: Hoare triple {3380#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~10; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,746 INFO L280 TraceCheckUtils]: 5: Hoare triple {3380#(= 0 ~pumpRunning~0)} havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,747 INFO L280 TraceCheckUtils]: 6: Hoare triple {3380#(= 0 ~pumpRunning~0)} assume !false; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,747 INFO L280 TraceCheckUtils]: 7: Hoare triple {3380#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,748 INFO L280 TraceCheckUtils]: 8: Hoare triple {3380#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,748 INFO L280 TraceCheckUtils]: 9: Hoare triple {3380#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~4); {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,749 INFO L280 TraceCheckUtils]: 10: Hoare triple {3380#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,760 INFO L280 TraceCheckUtils]: 11: Hoare triple {3380#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~1; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,761 INFO L280 TraceCheckUtils]: 12: Hoare triple {3380#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,761 INFO L280 TraceCheckUtils]: 13: Hoare triple {3380#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet40 && test_#t~nondet40 <= 2147483647;test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,762 INFO L280 TraceCheckUtils]: 14: Hoare triple {3380#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,762 INFO L280 TraceCheckUtils]: 15: Hoare triple {3380#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,763 INFO L280 TraceCheckUtils]: 16: Hoare triple {3380#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,763 INFO L280 TraceCheckUtils]: 17: Hoare triple {3380#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,764 INFO L280 TraceCheckUtils]: 18: Hoare triple {3380#(= 0 ~pumpRunning~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret62, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,768 INFO L280 TraceCheckUtils]: 19: Hoare triple {3380#(= 0 ~pumpRunning~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,769 INFO L280 TraceCheckUtils]: 20: Hoare triple {3380#(= 0 ~pumpRunning~0)} isHighWaterLevel_#t~ret62 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret62 && isHighWaterLevel_#t~ret62 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret62;havoc isHighWaterLevel_#t~ret62; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,769 INFO L280 TraceCheckUtils]: 21: Hoare triple {3380#(= 0 ~pumpRunning~0)} assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~2 := 0; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,770 INFO L280 TraceCheckUtils]: 22: Hoare triple {3380#(= 0 ~pumpRunning~0)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,770 INFO L280 TraceCheckUtils]: 23: Hoare triple {3380#(= 0 ~pumpRunning~0)} processEnvironment__wrappee__highWaterSensor_#t~ret42 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret42 && processEnvironment__wrappee__highWaterSensor_#t~ret42 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret42;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,771 INFO L280 TraceCheckUtils]: 24: Hoare triple {3380#(= 0 ~pumpRunning~0)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,772 INFO L280 TraceCheckUtils]: 25: Hoare triple {3380#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,772 INFO L280 TraceCheckUtils]: 26: Hoare triple {3380#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {3380#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:48,773 INFO L280 TraceCheckUtils]: 27: Hoare triple {3380#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {3381#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:58:48,774 INFO L280 TraceCheckUtils]: 28: Hoare triple {3381#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {3382#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} is VALID [2020-07-28 18:58:48,774 INFO L280 TraceCheckUtils]: 29: Hoare triple {3382#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {3379#false} is VALID [2020-07-28 18:58:48,775 INFO L280 TraceCheckUtils]: 30: Hoare triple {3379#false} assume !false; {3379#false} is VALID [2020-07-28 18:58:48,776 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 18:58:48,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293749160] [2020-07-28 18:58:48,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:48,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:48,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881429508] [2020-07-28 18:58:48,778 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:48,779 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:48,779 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:48,820 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:48,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:48,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:48,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:48,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:48,821 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand 5 states. [2020-07-28 18:58:49,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:49,985 INFO L93 Difference]: Finished difference Result 378 states and 534 transitions. [2020-07-28 18:58:49,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:58:49,985 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:49,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:49,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 290 transitions. [2020-07-28 18:58:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 290 transitions. [2020-07-28 18:58:49,993 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 290 transitions. [2020-07-28 18:58:50,355 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 290 edges. 290 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:50,369 INFO L225 Difference]: With dead ends: 378 [2020-07-28 18:58:50,369 INFO L226 Difference]: Without dead ends: 376 [2020-07-28 18:58:50,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:50,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-07-28 18:58:50,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2020-07-28 18:58:50,594 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:50,595 INFO L82 GeneralOperation]: Start isEquivalent. First operand 376 states. Second operand 132 states. [2020-07-28 18:58:50,595 INFO L74 IsIncluded]: Start isIncluded. First operand 376 states. Second operand 132 states. [2020-07-28 18:58:50,595 INFO L87 Difference]: Start difference. First operand 376 states. Second operand 132 states. [2020-07-28 18:58:50,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:50,612 INFO L93 Difference]: Finished difference Result 376 states and 532 transitions. [2020-07-28 18:58:50,612 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 532 transitions. [2020-07-28 18:58:50,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:50,613 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:50,614 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand 376 states. [2020-07-28 18:58:50,614 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 376 states. [2020-07-28 18:58:50,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:50,649 INFO L93 Difference]: Finished difference Result 376 states and 532 transitions. [2020-07-28 18:58:50,649 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 532 transitions. [2020-07-28 18:58:50,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:50,650 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:50,650 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:50,651 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:50,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-28 18:58:50,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2020-07-28 18:58:50,655 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 31 [2020-07-28 18:58:50,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:50,655 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2020-07-28 18:58:50,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:50,656 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2020-07-28 18:58:50,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-28 18:58:50,656 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:50,656 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:50,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 18:58:50,657 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:50,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:50,658 INFO L82 PathProgramCache]: Analyzing trace with hash -395111701, now seen corresponding path program 1 times [2020-07-28 18:58:50,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:50,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644633796] [2020-07-28 18:58:50,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:50,748 INFO L280 TraceCheckUtils]: 0: Hoare triple {4847#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {4847#true} is VALID [2020-07-28 18:58:50,748 INFO L280 TraceCheckUtils]: 1: Hoare triple {4847#true} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {4847#true} is VALID [2020-07-28 18:58:50,749 INFO L280 TraceCheckUtils]: 2: Hoare triple {4847#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; {4847#true} is VALID [2020-07-28 18:58:50,749 INFO L280 TraceCheckUtils]: 3: Hoare triple {4847#true} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {4847#true} is VALID [2020-07-28 18:58:50,749 INFO L280 TraceCheckUtils]: 4: Hoare triple {4847#true} assume 0 != main_~tmp~10; {4847#true} is VALID [2020-07-28 18:58:50,749 INFO L280 TraceCheckUtils]: 5: Hoare triple {4847#true} havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4847#true} is VALID [2020-07-28 18:58:50,750 INFO L280 TraceCheckUtils]: 6: Hoare triple {4847#true} assume !false; {4847#true} is VALID [2020-07-28 18:58:50,750 INFO L280 TraceCheckUtils]: 7: Hoare triple {4847#true} assume test_~splverifierCounter~0 < 4; {4847#true} is VALID [2020-07-28 18:58:50,750 INFO L280 TraceCheckUtils]: 8: Hoare triple {4847#true} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; {4847#true} is VALID [2020-07-28 18:58:50,750 INFO L280 TraceCheckUtils]: 9: Hoare triple {4847#true} assume !(0 != test_~tmp~4); {4847#true} is VALID [2020-07-28 18:58:50,750 INFO L280 TraceCheckUtils]: 10: Hoare triple {4847#true} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; {4847#true} is VALID [2020-07-28 18:58:50,751 INFO L280 TraceCheckUtils]: 11: Hoare triple {4847#true} assume 0 != test_~tmp___0~1; {4847#true} is VALID [2020-07-28 18:58:50,751 INFO L280 TraceCheckUtils]: 12: Hoare triple {4847#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {4847#true} is VALID [2020-07-28 18:58:50,751 INFO L280 TraceCheckUtils]: 13: Hoare triple {4847#true} assume -2147483648 <= test_#t~nondet40 && test_#t~nondet40 <= 2147483647;test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; {4847#true} is VALID [2020-07-28 18:58:50,751 INFO L280 TraceCheckUtils]: 14: Hoare triple {4847#true} assume 0 != test_~tmp___2~0; {4847#true} is VALID [2020-07-28 18:58:50,752 INFO L280 TraceCheckUtils]: 15: Hoare triple {4847#true} assume !(0 != ~pumpRunning~0); {4847#true} is VALID [2020-07-28 18:58:50,752 INFO L280 TraceCheckUtils]: 16: Hoare triple {4847#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {4847#true} is VALID [2020-07-28 18:58:50,752 INFO L280 TraceCheckUtils]: 17: Hoare triple {4847#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {4847#true} is VALID [2020-07-28 18:58:50,752 INFO L280 TraceCheckUtils]: 18: Hoare triple {4847#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret62, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {4847#true} is VALID [2020-07-28 18:58:50,753 INFO L280 TraceCheckUtils]: 19: Hoare triple {4847#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {4847#true} is VALID [2020-07-28 18:58:50,753 INFO L280 TraceCheckUtils]: 20: Hoare triple {4847#true} isHighWaterLevel_#t~ret62 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret62 && isHighWaterLevel_#t~ret62 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret62;havoc isHighWaterLevel_#t~ret62; {4847#true} is VALID [2020-07-28 18:58:50,754 INFO L280 TraceCheckUtils]: 21: Hoare triple {4847#true} assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~2 := 0; {4849#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)} is VALID [2020-07-28 18:58:50,754 INFO L280 TraceCheckUtils]: 22: Hoare triple {4849#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {4850#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 18:58:50,755 INFO L280 TraceCheckUtils]: 23: Hoare triple {4850#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret42 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret42 && processEnvironment__wrappee__highWaterSensor_#t~ret42 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret42;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42; {4851#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5)} is VALID [2020-07-28 18:58:50,756 INFO L280 TraceCheckUtils]: 24: Hoare triple {4851#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret44, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret45, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {4848#false} is VALID [2020-07-28 18:58:50,756 INFO L280 TraceCheckUtils]: 25: Hoare triple {4848#false} isMethaneAlarm_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret45 && isMethaneAlarm_#t~ret45 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret45;havoc isMethaneAlarm_#t~ret45;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {4848#false} is VALID [2020-07-28 18:58:50,757 INFO L280 TraceCheckUtils]: 26: Hoare triple {4848#false} activatePump_#t~ret44 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret44 && activatePump_#t~ret44 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret44;havoc activatePump_#t~ret44; {4848#false} is VALID [2020-07-28 18:58:50,757 INFO L280 TraceCheckUtils]: 27: Hoare triple {4848#false} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {4848#false} is VALID [2020-07-28 18:58:50,758 INFO L280 TraceCheckUtils]: 28: Hoare triple {4848#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {4848#false} is VALID [2020-07-28 18:58:50,758 INFO L280 TraceCheckUtils]: 29: Hoare triple {4848#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {4848#false} is VALID [2020-07-28 18:58:50,758 INFO L280 TraceCheckUtils]: 30: Hoare triple {4848#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {4848#false} is VALID [2020-07-28 18:58:50,758 INFO L280 TraceCheckUtils]: 31: Hoare triple {4848#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {4848#false} is VALID [2020-07-28 18:58:50,759 INFO L280 TraceCheckUtils]: 32: Hoare triple {4848#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {4848#false} is VALID [2020-07-28 18:58:50,759 INFO L280 TraceCheckUtils]: 33: Hoare triple {4848#false} assume !false; {4848#false} is VALID [2020-07-28 18:58:50,761 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 18:58:50,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644633796] [2020-07-28 18:58:50,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:50,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:50,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655441208] [2020-07-28 18:58:50,764 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-07-28 18:58:50,764 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:50,764 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:50,808 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:50,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:50,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:50,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:50,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:50,809 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand 5 states. [2020-07-28 18:58:51,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:51,765 INFO L93 Difference]: Finished difference Result 344 states and 476 transitions. [2020-07-28 18:58:51,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:51,765 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-07-28 18:58:51,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:51,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:51,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 203 transitions. [2020-07-28 18:58:51,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:51,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 203 transitions. [2020-07-28 18:58:51,770 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 203 transitions. [2020-07-28 18:58:51,980 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 203 edges. 203 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:51,986 INFO L225 Difference]: With dead ends: 344 [2020-07-28 18:58:51,986 INFO L226 Difference]: Without dead ends: 218 [2020-07-28 18:58:51,987 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 18:58:51,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-07-28 18:58:52,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 144. [2020-07-28 18:58:52,193 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:52,193 INFO L82 GeneralOperation]: Start isEquivalent. First operand 218 states. Second operand 144 states. [2020-07-28 18:58:52,194 INFO L74 IsIncluded]: Start isIncluded. First operand 218 states. Second operand 144 states. [2020-07-28 18:58:52,194 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 144 states. [2020-07-28 18:58:52,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:52,200 INFO L93 Difference]: Finished difference Result 218 states and 294 transitions. [2020-07-28 18:58:52,200 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 294 transitions. [2020-07-28 18:58:52,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:52,201 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:52,201 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states. Second operand 218 states. [2020-07-28 18:58:52,201 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 218 states. [2020-07-28 18:58:52,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:52,206 INFO L93 Difference]: Finished difference Result 218 states and 294 transitions. [2020-07-28 18:58:52,206 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 294 transitions. [2020-07-28 18:58:52,207 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:52,207 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:52,207 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:52,207 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:52,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-28 18:58:52,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2020-07-28 18:58:52,210 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 34 [2020-07-28 18:58:52,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:52,211 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2020-07-28 18:58:52,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:52,211 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2020-07-28 18:58:52,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-28 18:58:52,211 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:52,212 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:52,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 18:58:52,212 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:52,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:52,212 INFO L82 PathProgramCache]: Analyzing trace with hash -981917715, now seen corresponding path program 1 times [2020-07-28 18:58:52,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:52,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338585619] [2020-07-28 18:58:52,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:52,280 INFO L280 TraceCheckUtils]: 0: Hoare triple {5962#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {5962#true} is VALID [2020-07-28 18:58:52,280 INFO L280 TraceCheckUtils]: 1: Hoare triple {5962#true} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {5962#true} is VALID [2020-07-28 18:58:52,281 INFO L280 TraceCheckUtils]: 2: Hoare triple {5962#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; {5962#true} is VALID [2020-07-28 18:58:52,281 INFO L280 TraceCheckUtils]: 3: Hoare triple {5962#true} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {5962#true} is VALID [2020-07-28 18:58:52,282 INFO L280 TraceCheckUtils]: 4: Hoare triple {5962#true} assume 0 != main_~tmp~10; {5962#true} is VALID [2020-07-28 18:58:52,282 INFO L280 TraceCheckUtils]: 5: Hoare triple {5962#true} havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5962#true} is VALID [2020-07-28 18:58:52,282 INFO L280 TraceCheckUtils]: 6: Hoare triple {5962#true} assume !false; {5962#true} is VALID [2020-07-28 18:58:52,282 INFO L280 TraceCheckUtils]: 7: Hoare triple {5962#true} assume test_~splverifierCounter~0 < 4; {5962#true} is VALID [2020-07-28 18:58:52,282 INFO L280 TraceCheckUtils]: 8: Hoare triple {5962#true} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; {5962#true} is VALID [2020-07-28 18:58:52,283 INFO L280 TraceCheckUtils]: 9: Hoare triple {5962#true} assume !(0 != test_~tmp~4); {5962#true} is VALID [2020-07-28 18:58:52,283 INFO L280 TraceCheckUtils]: 10: Hoare triple {5962#true} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; {5962#true} is VALID [2020-07-28 18:58:52,283 INFO L280 TraceCheckUtils]: 11: Hoare triple {5962#true} assume 0 != test_~tmp___0~1; {5962#true} is VALID [2020-07-28 18:58:52,283 INFO L280 TraceCheckUtils]: 12: Hoare triple {5962#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {5962#true} is VALID [2020-07-28 18:58:52,284 INFO L280 TraceCheckUtils]: 13: Hoare triple {5962#true} assume -2147483648 <= test_#t~nondet40 && test_#t~nondet40 <= 2147483647;test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; {5962#true} is VALID [2020-07-28 18:58:52,284 INFO L280 TraceCheckUtils]: 14: Hoare triple {5962#true} assume 0 != test_~tmp___2~0; {5962#true} is VALID [2020-07-28 18:58:52,284 INFO L280 TraceCheckUtils]: 15: Hoare triple {5962#true} assume !(0 != ~pumpRunning~0); {5962#true} is VALID [2020-07-28 18:58:52,285 INFO L280 TraceCheckUtils]: 16: Hoare triple {5962#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {5962#true} is VALID [2020-07-28 18:58:52,286 INFO L280 TraceCheckUtils]: 17: Hoare triple {5962#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {5962#true} is VALID [2020-07-28 18:58:52,286 INFO L280 TraceCheckUtils]: 18: Hoare triple {5962#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret62, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {5962#true} is VALID [2020-07-28 18:58:52,289 INFO L280 TraceCheckUtils]: 19: Hoare triple {5962#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {5964#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} is VALID [2020-07-28 18:58:52,290 INFO L280 TraceCheckUtils]: 20: Hoare triple {5964#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} isHighWaterLevel_#t~ret62 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret62 && isHighWaterLevel_#t~ret62 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret62;havoc isHighWaterLevel_#t~ret62; {5965#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~8)} is VALID [2020-07-28 18:58:52,291 INFO L280 TraceCheckUtils]: 21: Hoare triple {5965#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~8)} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~2 := 1; {5963#false} is VALID [2020-07-28 18:58:52,291 INFO L280 TraceCheckUtils]: 22: Hoare triple {5963#false} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {5963#false} is VALID [2020-07-28 18:58:52,291 INFO L280 TraceCheckUtils]: 23: Hoare triple {5963#false} processEnvironment__wrappee__highWaterSensor_#t~ret42 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret42 && processEnvironment__wrappee__highWaterSensor_#t~ret42 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret42;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42; {5963#false} is VALID [2020-07-28 18:58:52,292 INFO L280 TraceCheckUtils]: 24: Hoare triple {5963#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret44, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret45, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {5963#false} is VALID [2020-07-28 18:58:52,292 INFO L280 TraceCheckUtils]: 25: Hoare triple {5963#false} isMethaneAlarm_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret45 && isMethaneAlarm_#t~ret45 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret45;havoc isMethaneAlarm_#t~ret45;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {5963#false} is VALID [2020-07-28 18:58:52,293 INFO L280 TraceCheckUtils]: 26: Hoare triple {5963#false} activatePump_#t~ret44 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret44 && activatePump_#t~ret44 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret44;havoc activatePump_#t~ret44; {5963#false} is VALID [2020-07-28 18:58:52,293 INFO L280 TraceCheckUtils]: 27: Hoare triple {5963#false} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {5963#false} is VALID [2020-07-28 18:58:52,293 INFO L280 TraceCheckUtils]: 28: Hoare triple {5963#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {5963#false} is VALID [2020-07-28 18:58:52,293 INFO L280 TraceCheckUtils]: 29: Hoare triple {5963#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {5963#false} is VALID [2020-07-28 18:58:52,293 INFO L280 TraceCheckUtils]: 30: Hoare triple {5963#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {5963#false} is VALID [2020-07-28 18:58:52,294 INFO L280 TraceCheckUtils]: 31: Hoare triple {5963#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {5963#false} is VALID [2020-07-28 18:58:52,294 INFO L280 TraceCheckUtils]: 32: Hoare triple {5963#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {5963#false} is VALID [2020-07-28 18:58:52,294 INFO L280 TraceCheckUtils]: 33: Hoare triple {5963#false} assume !false; {5963#false} is VALID [2020-07-28 18:58:52,296 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 18:58:52,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338585619] [2020-07-28 18:58:52,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:52,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:52,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403607419] [2020-07-28 18:58:52,297 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-07-28 18:58:52,297 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:52,297 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 18:58:52,340 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:52,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 18:58:52,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:52,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 18:58:52,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 18:58:52,341 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand 4 states. [2020-07-28 18:58:53,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:53,103 INFO L93 Difference]: Finished difference Result 340 states and 460 transitions. [2020-07-28 18:58:53,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 18:58:53,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-07-28 18:58:53,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:53,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:58:53,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 181 transitions. [2020-07-28 18:58:53,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:58:53,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 181 transitions. [2020-07-28 18:58:53,107 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 181 transitions. [2020-07-28 18:58:53,310 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 181 edges. 181 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:53,314 INFO L225 Difference]: With dead ends: 340 [2020-07-28 18:58:53,315 INFO L226 Difference]: Without dead ends: 202 [2020-07-28 18:58:53,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:53,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-07-28 18:58:53,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 152. [2020-07-28 18:58:53,598 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:53,598 INFO L82 GeneralOperation]: Start isEquivalent. First operand 202 states. Second operand 152 states. [2020-07-28 18:58:53,599 INFO L74 IsIncluded]: Start isIncluded. First operand 202 states. Second operand 152 states. [2020-07-28 18:58:53,599 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 152 states. [2020-07-28 18:58:53,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:53,604 INFO L93 Difference]: Finished difference Result 202 states and 266 transitions. [2020-07-28 18:58:53,604 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 266 transitions. [2020-07-28 18:58:53,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:53,605 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:53,605 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand 202 states. [2020-07-28 18:58:53,605 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 202 states. [2020-07-28 18:58:53,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:53,610 INFO L93 Difference]: Finished difference Result 202 states and 266 transitions. [2020-07-28 18:58:53,610 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 266 transitions. [2020-07-28 18:58:53,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:53,610 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:53,610 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:53,611 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:53,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-28 18:58:53,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 204 transitions. [2020-07-28 18:58:53,614 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 204 transitions. Word has length 34 [2020-07-28 18:58:53,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:53,614 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 204 transitions. [2020-07-28 18:58:53,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 18:58:53,614 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 204 transitions. [2020-07-28 18:58:53,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-28 18:58:53,615 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:53,615 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:53,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 18:58:53,616 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:53,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:53,616 INFO L82 PathProgramCache]: Analyzing trace with hash 2033185903, now seen corresponding path program 1 times [2020-07-28 18:58:53,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:53,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220174830] [2020-07-28 18:58:53,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:53,677 INFO L280 TraceCheckUtils]: 0: Hoare triple {7048#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,679 INFO L280 TraceCheckUtils]: 1: Hoare triple {7050#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,681 INFO L280 TraceCheckUtils]: 2: Hoare triple {7050#(= 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; {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,681 INFO L280 TraceCheckUtils]: 3: Hoare triple {7050#(= 1 ~waterLevel~0)} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,682 INFO L280 TraceCheckUtils]: 4: Hoare triple {7050#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~10; {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,683 INFO L280 TraceCheckUtils]: 5: Hoare triple {7050#(= 1 ~waterLevel~0)} havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,683 INFO L280 TraceCheckUtils]: 6: Hoare triple {7050#(= 1 ~waterLevel~0)} assume !false; {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,684 INFO L280 TraceCheckUtils]: 7: Hoare triple {7050#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,684 INFO L280 TraceCheckUtils]: 8: Hoare triple {7050#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,685 INFO L280 TraceCheckUtils]: 9: Hoare triple {7050#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~4); {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,686 INFO L280 TraceCheckUtils]: 10: Hoare triple {7050#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,686 INFO L280 TraceCheckUtils]: 11: Hoare triple {7050#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___0~1; {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,687 INFO L280 TraceCheckUtils]: 12: Hoare triple {7050#(= 1 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,688 INFO L280 TraceCheckUtils]: 13: Hoare triple {7050#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet40 && test_#t~nondet40 <= 2147483647;test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,688 INFO L280 TraceCheckUtils]: 14: Hoare triple {7050#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,689 INFO L280 TraceCheckUtils]: 15: Hoare triple {7050#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,690 INFO L280 TraceCheckUtils]: 16: Hoare triple {7050#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,690 INFO L280 TraceCheckUtils]: 17: Hoare triple {7050#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,691 INFO L280 TraceCheckUtils]: 18: Hoare triple {7050#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret62, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {7050#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:53,692 INFO L280 TraceCheckUtils]: 19: Hoare triple {7050#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~12 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {7049#false} is VALID [2020-07-28 18:58:53,692 INFO L280 TraceCheckUtils]: 20: Hoare triple {7049#false} isHighWaterLevel_#t~ret62 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret62 && isHighWaterLevel_#t~ret62 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret62;havoc isHighWaterLevel_#t~ret62; {7049#false} is VALID [2020-07-28 18:58:53,692 INFO L280 TraceCheckUtils]: 21: Hoare triple {7049#false} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~2 := 1; {7049#false} is VALID [2020-07-28 18:58:53,692 INFO L280 TraceCheckUtils]: 22: Hoare triple {7049#false} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {7049#false} is VALID [2020-07-28 18:58:53,693 INFO L280 TraceCheckUtils]: 23: Hoare triple {7049#false} processEnvironment__wrappee__highWaterSensor_#t~ret42 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret42 && processEnvironment__wrappee__highWaterSensor_#t~ret42 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret42;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42; {7049#false} is VALID [2020-07-28 18:58:53,693 INFO L280 TraceCheckUtils]: 24: Hoare triple {7049#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret44, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret45, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {7049#false} is VALID [2020-07-28 18:58:53,693 INFO L280 TraceCheckUtils]: 25: Hoare triple {7049#false} isMethaneAlarm_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret45 && isMethaneAlarm_#t~ret45 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret45;havoc isMethaneAlarm_#t~ret45;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {7049#false} is VALID [2020-07-28 18:58:53,694 INFO L280 TraceCheckUtils]: 26: Hoare triple {7049#false} activatePump_#t~ret44 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret44 && activatePump_#t~ret44 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret44;havoc activatePump_#t~ret44; {7049#false} is VALID [2020-07-28 18:58:53,694 INFO L280 TraceCheckUtils]: 27: Hoare triple {7049#false} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {7049#false} is VALID [2020-07-28 18:58:53,694 INFO L280 TraceCheckUtils]: 28: Hoare triple {7049#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {7049#false} is VALID [2020-07-28 18:58:53,694 INFO L280 TraceCheckUtils]: 29: Hoare triple {7049#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {7049#false} is VALID [2020-07-28 18:58:53,694 INFO L280 TraceCheckUtils]: 30: Hoare triple {7049#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {7049#false} is VALID [2020-07-28 18:58:53,695 INFO L280 TraceCheckUtils]: 31: Hoare triple {7049#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {7049#false} is VALID [2020-07-28 18:58:53,695 INFO L280 TraceCheckUtils]: 32: Hoare triple {7049#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {7049#false} is VALID [2020-07-28 18:58:53,695 INFO L280 TraceCheckUtils]: 33: Hoare triple {7049#false} assume !false; {7049#false} is VALID [2020-07-28 18:58:53,696 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 18:58:53,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220174830] [2020-07-28 18:58:53,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:53,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:53,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014179388] [2020-07-28 18:58:53,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-07-28 18:58:53,698 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:53,698 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:53,744 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:53,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:53,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:53,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:53,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:53,746 INFO L87 Difference]: Start difference. First operand 152 states and 204 transitions. Second operand 3 states. [2020-07-28 18:58:54,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:54,362 INFO L93 Difference]: Finished difference Result 348 states and 466 transitions. [2020-07-28 18:58:54,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:54,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-07-28 18:58:54,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:54,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:54,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 176 transitions. [2020-07-28 18:58:54,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:54,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 176 transitions. [2020-07-28 18:58:54,365 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 176 transitions. [2020-07-28 18:58:54,545 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 176 edges. 176 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:54,551 INFO L225 Difference]: With dead ends: 348 [2020-07-28 18:58:54,551 INFO L226 Difference]: Without dead ends: 202 [2020-07-28 18:58:54,552 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:54,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-07-28 18:58:54,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2020-07-28 18:58:54,888 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:54,888 INFO L82 GeneralOperation]: Start isEquivalent. First operand 202 states. Second operand 202 states. [2020-07-28 18:58:54,888 INFO L74 IsIncluded]: Start isIncluded. First operand 202 states. Second operand 202 states. [2020-07-28 18:58:54,888 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 202 states. [2020-07-28 18:58:54,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:54,892 INFO L93 Difference]: Finished difference Result 202 states and 264 transitions. [2020-07-28 18:58:54,892 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2020-07-28 18:58:54,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:54,893 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:54,893 INFO L74 IsIncluded]: Start isIncluded. First operand 202 states. Second operand 202 states. [2020-07-28 18:58:54,893 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 202 states. [2020-07-28 18:58:54,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:54,897 INFO L93 Difference]: Finished difference Result 202 states and 264 transitions. [2020-07-28 18:58:54,897 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2020-07-28 18:58:54,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:54,897 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:54,897 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:54,898 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:54,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-07-28 18:58:54,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 264 transitions. [2020-07-28 18:58:54,902 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 264 transitions. Word has length 34 [2020-07-28 18:58:54,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:54,904 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 264 transitions. [2020-07-28 18:58:54,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:54,904 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2020-07-28 18:58:54,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-28 18:58:54,905 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:54,906 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:54,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 18:58:54,906 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:54,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:54,907 INFO L82 PathProgramCache]: Analyzing trace with hash -745345683, now seen corresponding path program 1 times [2020-07-28 18:58:54,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:54,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656178389] [2020-07-28 18:58:54,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:55,029 INFO L280 TraceCheckUtils]: 0: Hoare triple {8209#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {8211#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:55,030 INFO L280 TraceCheckUtils]: 1: Hoare triple {8211#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {8211#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:55,030 INFO L280 TraceCheckUtils]: 2: Hoare triple {8211#(= 1 ~systemActive~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; {8211#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:55,031 INFO L280 TraceCheckUtils]: 3: Hoare triple {8211#(= 1 ~systemActive~0)} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {8211#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:55,032 INFO L280 TraceCheckUtils]: 4: Hoare triple {8211#(= 1 ~systemActive~0)} assume 0 != main_~tmp~10; {8211#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:55,032 INFO L280 TraceCheckUtils]: 5: Hoare triple {8211#(= 1 ~systemActive~0)} havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8211#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:55,034 INFO L280 TraceCheckUtils]: 6: Hoare triple {8211#(= 1 ~systemActive~0)} assume !false; {8211#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:55,038 INFO L280 TraceCheckUtils]: 7: Hoare triple {8211#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {8211#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:55,042 INFO L280 TraceCheckUtils]: 8: Hoare triple {8211#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; {8211#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:55,044 INFO L280 TraceCheckUtils]: 9: Hoare triple {8211#(= 1 ~systemActive~0)} assume 0 != test_~tmp~4; {8211#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:55,044 INFO L280 TraceCheckUtils]: 10: Hoare triple {8211#(= 1 ~systemActive~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {8211#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:55,047 INFO L280 TraceCheckUtils]: 11: Hoare triple {8211#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; {8211#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:55,048 INFO L280 TraceCheckUtils]: 12: Hoare triple {8211#(= 1 ~systemActive~0)} assume 0 != test_~tmp___0~1; {8211#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:55,049 INFO L280 TraceCheckUtils]: 13: Hoare triple {8211#(= 1 ~systemActive~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {8212#(= ~methaneLevelCritical~0 ~systemActive~0)} is VALID [2020-07-28 18:58:55,052 INFO L280 TraceCheckUtils]: 14: Hoare triple {8212#(= ~methaneLevelCritical~0 ~systemActive~0)} assume -2147483648 <= test_#t~nondet40 && test_#t~nondet40 <= 2147483647;test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; {8212#(= ~methaneLevelCritical~0 ~systemActive~0)} is VALID [2020-07-28 18:58:55,054 INFO L280 TraceCheckUtils]: 15: Hoare triple {8212#(= ~methaneLevelCritical~0 ~systemActive~0)} assume 0 != test_~tmp___2~0; {8212#(= ~methaneLevelCritical~0 ~systemActive~0)} is VALID [2020-07-28 18:58:55,054 INFO L280 TraceCheckUtils]: 16: Hoare triple {8212#(= ~methaneLevelCritical~0 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {8212#(= ~methaneLevelCritical~0 ~systemActive~0)} is VALID [2020-07-28 18:58:55,055 INFO L280 TraceCheckUtils]: 17: Hoare triple {8212#(= ~methaneLevelCritical~0 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {8213#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:55,056 INFO L280 TraceCheckUtils]: 18: Hoare triple {8213#(not (= 0 ~methaneLevelCritical~0))} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {8213#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:55,057 INFO L280 TraceCheckUtils]: 19: Hoare triple {8213#(not (= 0 ~methaneLevelCritical~0))} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret62, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {8213#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:55,058 INFO L280 TraceCheckUtils]: 20: Hoare triple {8213#(not (= 0 ~methaneLevelCritical~0))} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~12 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {8213#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:55,059 INFO L280 TraceCheckUtils]: 21: Hoare triple {8213#(not (= 0 ~methaneLevelCritical~0))} isHighWaterLevel_#t~ret62 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret62 && isHighWaterLevel_#t~ret62 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret62;havoc isHighWaterLevel_#t~ret62; {8213#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:55,059 INFO L280 TraceCheckUtils]: 22: Hoare triple {8213#(not (= 0 ~methaneLevelCritical~0))} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~2 := 1; {8213#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:55,060 INFO L280 TraceCheckUtils]: 23: Hoare triple {8213#(not (= 0 ~methaneLevelCritical~0))} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {8213#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:55,061 INFO L280 TraceCheckUtils]: 24: Hoare triple {8213#(not (= 0 ~methaneLevelCritical~0))} processEnvironment__wrappee__highWaterSensor_#t~ret42 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret42 && processEnvironment__wrappee__highWaterSensor_#t~ret42 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret42;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42; {8213#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:55,062 INFO L280 TraceCheckUtils]: 25: Hoare triple {8213#(not (= 0 ~methaneLevelCritical~0))} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret44, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret45, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {8214#(not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))} is VALID [2020-07-28 18:58:55,063 INFO L280 TraceCheckUtils]: 26: Hoare triple {8214#(not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))} isMethaneAlarm_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret45 && isMethaneAlarm_#t~ret45 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret45;havoc isMethaneAlarm_#t~ret45;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {8215#(not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|))} is VALID [2020-07-28 18:58:55,063 INFO L280 TraceCheckUtils]: 27: Hoare triple {8215#(not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|))} activatePump_#t~ret44 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret44 && activatePump_#t~ret44 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret44;havoc activatePump_#t~ret44; {8216#(not (= 0 ULTIMATE.start_activatePump_~tmp~7))} is VALID [2020-07-28 18:58:55,064 INFO L280 TraceCheckUtils]: 28: Hoare triple {8216#(not (= 0 ULTIMATE.start_activatePump_~tmp~7))} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {8210#false} is VALID [2020-07-28 18:58:55,065 INFO L280 TraceCheckUtils]: 29: Hoare triple {8210#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {8210#false} is VALID [2020-07-28 18:58:55,065 INFO L280 TraceCheckUtils]: 30: Hoare triple {8210#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {8210#false} is VALID [2020-07-28 18:58:55,065 INFO L280 TraceCheckUtils]: 31: Hoare triple {8210#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {8210#false} is VALID [2020-07-28 18:58:55,065 INFO L280 TraceCheckUtils]: 32: Hoare triple {8210#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {8210#false} is VALID [2020-07-28 18:58:55,065 INFO L280 TraceCheckUtils]: 33: Hoare triple {8210#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {8210#false} is VALID [2020-07-28 18:58:55,066 INFO L280 TraceCheckUtils]: 34: Hoare triple {8210#false} assume !false; {8210#false} is VALID [2020-07-28 18:58:55,068 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 18:58:55,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656178389] [2020-07-28 18:58:55,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:55,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-28 18:58:55,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064962838] [2020-07-28 18:58:55,069 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-07-28 18:58:55,069 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:55,070 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 18:58:55,119 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:55,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 18:58:55,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:55,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 18:58:55,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-07-28 18:58:55,121 INFO L87 Difference]: Start difference. First operand 202 states and 264 transitions. Second operand 8 states. [2020-07-28 18:58:58,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:58,197 INFO L93 Difference]: Finished difference Result 710 states and 926 transitions. [2020-07-28 18:58:58,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-28 18:58:58,198 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-07-28 18:58:58,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:58,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 18:58:58,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 498 transitions. [2020-07-28 18:58:58,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 18:58:58,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 498 transitions. [2020-07-28 18:58:58,203 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 498 transitions. [2020-07-28 18:58:58,856 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 498 edges. 498 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:58,872 INFO L225 Difference]: With dead ends: 710 [2020-07-28 18:58:58,872 INFO L226 Difference]: Without dead ends: 514 [2020-07-28 18:58:58,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2020-07-28 18:58:58,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2020-07-28 18:58:59,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 202. [2020-07-28 18:58:59,245 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:59,245 INFO L82 GeneralOperation]: Start isEquivalent. First operand 514 states. Second operand 202 states. [2020-07-28 18:58:59,245 INFO L74 IsIncluded]: Start isIncluded. First operand 514 states. Second operand 202 states. [2020-07-28 18:58:59,245 INFO L87 Difference]: Start difference. First operand 514 states. Second operand 202 states. [2020-07-28 18:58:59,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:59,258 INFO L93 Difference]: Finished difference Result 514 states and 661 transitions. [2020-07-28 18:58:59,259 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 661 transitions. [2020-07-28 18:58:59,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:59,260 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:59,260 INFO L74 IsIncluded]: Start isIncluded. First operand 202 states. Second operand 514 states. [2020-07-28 18:58:59,260 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 514 states. [2020-07-28 18:58:59,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:59,274 INFO L93 Difference]: Finished difference Result 514 states and 661 transitions. [2020-07-28 18:58:59,274 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 661 transitions. [2020-07-28 18:58:59,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:59,275 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:59,275 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:59,275 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:59,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-07-28 18:58:59,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 259 transitions. [2020-07-28 18:58:59,280 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 259 transitions. Word has length 35 [2020-07-28 18:58:59,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:59,281 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 259 transitions. [2020-07-28 18:58:59,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 18:58:59,281 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 259 transitions. [2020-07-28 18:58:59,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-28 18:58:59,282 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:59,282 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:59,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 18:58:59,282 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:59,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:59,283 INFO L82 PathProgramCache]: Analyzing trace with hash -785430939, now seen corresponding path program 1 times [2020-07-28 18:58:59,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:59,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625581414] [2020-07-28 18:58:59,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:59,439 INFO L280 TraceCheckUtils]: 0: Hoare triple {10514#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {10516#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,440 INFO L280 TraceCheckUtils]: 1: Hoare triple {10516#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {10516#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,441 INFO L280 TraceCheckUtils]: 2: Hoare triple {10516#(= 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; {10516#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,441 INFO L280 TraceCheckUtils]: 3: Hoare triple {10516#(= 1 ~waterLevel~0)} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {10516#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,442 INFO L280 TraceCheckUtils]: 4: Hoare triple {10516#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~10; {10516#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,442 INFO L280 TraceCheckUtils]: 5: Hoare triple {10516#(= 1 ~waterLevel~0)} havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {10516#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,443 INFO L280 TraceCheckUtils]: 6: Hoare triple {10516#(= 1 ~waterLevel~0)} assume !false; {10516#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,444 INFO L280 TraceCheckUtils]: 7: Hoare triple {10516#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {10516#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,444 INFO L280 TraceCheckUtils]: 8: Hoare triple {10516#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; {10516#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,445 INFO L280 TraceCheckUtils]: 9: Hoare triple {10516#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~4; {10516#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,446 INFO L280 TraceCheckUtils]: 10: Hoare triple {10516#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,446 INFO L280 TraceCheckUtils]: 11: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,447 INFO L280 TraceCheckUtils]: 12: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,447 INFO L280 TraceCheckUtils]: 13: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet40 && test_#t~nondet40 <= 2147483647;test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,448 INFO L280 TraceCheckUtils]: 14: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,449 INFO L280 TraceCheckUtils]: 15: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,449 INFO L280 TraceCheckUtils]: 16: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,450 INFO L280 TraceCheckUtils]: 17: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,450 INFO L280 TraceCheckUtils]: 18: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret62, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,451 INFO L280 TraceCheckUtils]: 19: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~12 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,452 INFO L280 TraceCheckUtils]: 20: Hoare triple {10517#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret62 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret62 && isHighWaterLevel_#t~ret62 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret62;havoc isHighWaterLevel_#t~ret62; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,452 INFO L280 TraceCheckUtils]: 21: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~2 := 1; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,453 INFO L280 TraceCheckUtils]: 22: Hoare triple {10517#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,453 INFO L280 TraceCheckUtils]: 23: Hoare triple {10517#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret42 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret42 && processEnvironment__wrappee__highWaterSensor_#t~ret42 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret42;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,454 INFO L280 TraceCheckUtils]: 24: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret44, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret45, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,454 INFO L280 TraceCheckUtils]: 25: Hoare triple {10517#(<= 2 ~waterLevel~0)} isMethaneAlarm_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret45 && isMethaneAlarm_#t~ret45 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret45;havoc isMethaneAlarm_#t~ret45;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,455 INFO L280 TraceCheckUtils]: 26: Hoare triple {10517#(<= 2 ~waterLevel~0)} activatePump_#t~ret44 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret44 && activatePump_#t~ret44 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret44;havoc activatePump_#t~ret44; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,456 INFO L280 TraceCheckUtils]: 27: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,456 INFO L280 TraceCheckUtils]: 28: Hoare triple {10517#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,457 INFO L280 TraceCheckUtils]: 29: Hoare triple {10517#(<= 2 ~waterLevel~0)} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,457 INFO L280 TraceCheckUtils]: 30: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,458 INFO L280 TraceCheckUtils]: 31: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume !false; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,459 INFO L280 TraceCheckUtils]: 32: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,459 INFO L280 TraceCheckUtils]: 33: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,460 INFO L280 TraceCheckUtils]: 34: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~4); {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,460 INFO L280 TraceCheckUtils]: 35: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,461 INFO L280 TraceCheckUtils]: 36: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___0~1; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,462 INFO L280 TraceCheckUtils]: 37: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,462 INFO L280 TraceCheckUtils]: 38: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet40 && test_#t~nondet40 <= 2147483647;test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,463 INFO L280 TraceCheckUtils]: 39: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,463 INFO L280 TraceCheckUtils]: 40: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,464 INFO L280 TraceCheckUtils]: 41: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {10518#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,465 INFO L280 TraceCheckUtils]: 42: Hoare triple {10518#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {10518#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,466 INFO L280 TraceCheckUtils]: 43: Hoare triple {10518#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret63, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~9, isLowWaterLevel_~tmp___0~3;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~9;havoc isLowWaterLevel_~tmp___0~3;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~13;havoc isLowWaterSensorDry_~retValue_acc~13;isLowWaterSensorDry_~retValue_acc~13 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~13; {10519#(and (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0))} is VALID [2020-07-28 18:58:59,467 INFO L280 TraceCheckUtils]: 44: Hoare triple {10519#(and (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0))} isLowWaterLevel_#t~ret63 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret63 && isLowWaterLevel_#t~ret63 <= 2147483647;isLowWaterLevel_~tmp~9 := isLowWaterLevel_#t~ret63;havoc isLowWaterLevel_#t~ret63; {10520#(and (<= ULTIMATE.start_isLowWaterLevel_~tmp~9 0) (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~9))} is VALID [2020-07-28 18:58:59,468 INFO L280 TraceCheckUtils]: 45: Hoare triple {10520#(and (<= ULTIMATE.start_isLowWaterLevel_~tmp~9 0) (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~9))} assume 0 != isLowWaterLevel_~tmp~9;isLowWaterLevel_~tmp___0~3 := 0; {10515#false} is VALID [2020-07-28 18:58:59,468 INFO L280 TraceCheckUtils]: 46: Hoare triple {10515#false} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~3;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {10515#false} is VALID [2020-07-28 18:58:59,468 INFO L280 TraceCheckUtils]: 47: Hoare triple {10515#false} processEnvironment_#t~ret43 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret43 && processEnvironment_#t~ret43 <= 2147483647;processEnvironment_~tmp~6 := processEnvironment_#t~ret43;havoc processEnvironment_#t~ret43; {10515#false} is VALID [2020-07-28 18:58:59,468 INFO L280 TraceCheckUtils]: 48: Hoare triple {10515#false} assume !(0 != processEnvironment_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {10515#false} is VALID [2020-07-28 18:58:59,469 INFO L280 TraceCheckUtils]: 49: Hoare triple {10515#false} assume !(0 == ~pumpRunning~0); {10515#false} is VALID [2020-07-28 18:58:59,469 INFO L280 TraceCheckUtils]: 50: Hoare triple {10515#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {10515#false} is VALID [2020-07-28 18:58:59,469 INFO L280 TraceCheckUtils]: 51: Hoare triple {10515#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {10515#false} is VALID [2020-07-28 18:58:59,469 INFO L280 TraceCheckUtils]: 52: Hoare triple {10515#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {10515#false} is VALID [2020-07-28 18:58:59,469 INFO L280 TraceCheckUtils]: 53: Hoare triple {10515#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {10515#false} is VALID [2020-07-28 18:58:59,470 INFO L280 TraceCheckUtils]: 54: Hoare triple {10515#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {10515#false} is VALID [2020-07-28 18:58:59,470 INFO L280 TraceCheckUtils]: 55: Hoare triple {10515#false} assume !false; {10515#false} is VALID [2020-07-28 18:58:59,474 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-28 18:58:59,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625581414] [2020-07-28 18:58:59,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103539583] [2020-07-28 18:58:59,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 18:58:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:59,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-28 18:58:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:59,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 18:58:59,831 INFO L523 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-28 18:58:59,892 INFO L280 TraceCheckUtils]: 0: Hoare triple {10514#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {10514#true} is VALID [2020-07-28 18:58:59,893 INFO L280 TraceCheckUtils]: 1: Hoare triple {10514#true} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {10514#true} is VALID [2020-07-28 18:58:59,893 INFO L280 TraceCheckUtils]: 2: Hoare triple {10514#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; {10514#true} is VALID [2020-07-28 18:58:59,893 INFO L280 TraceCheckUtils]: 3: Hoare triple {10514#true} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {10514#true} is VALID [2020-07-28 18:58:59,894 INFO L280 TraceCheckUtils]: 4: Hoare triple {10514#true} assume 0 != main_~tmp~10; {10514#true} is VALID [2020-07-28 18:58:59,894 INFO L280 TraceCheckUtils]: 5: Hoare triple {10514#true} havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {10514#true} is VALID [2020-07-28 18:58:59,894 INFO L280 TraceCheckUtils]: 6: Hoare triple {10514#true} assume !false; {10514#true} is VALID [2020-07-28 18:58:59,894 INFO L280 TraceCheckUtils]: 7: Hoare triple {10514#true} assume test_~splverifierCounter~0 < 4; {10514#true} is VALID [2020-07-28 18:58:59,894 INFO L280 TraceCheckUtils]: 8: Hoare triple {10514#true} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; {10514#true} is VALID [2020-07-28 18:58:59,895 INFO L280 TraceCheckUtils]: 9: Hoare triple {10514#true} assume 0 != test_~tmp~4; {10514#true} is VALID [2020-07-28 18:58:59,895 INFO L280 TraceCheckUtils]: 10: Hoare triple {10514#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {10514#true} is VALID [2020-07-28 18:58:59,895 INFO L280 TraceCheckUtils]: 11: Hoare triple {10514#true} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; {10514#true} is VALID [2020-07-28 18:58:59,895 INFO L280 TraceCheckUtils]: 12: Hoare triple {10514#true} assume !(0 != test_~tmp___0~1); {10514#true} is VALID [2020-07-28 18:58:59,895 INFO L280 TraceCheckUtils]: 13: Hoare triple {10514#true} assume -2147483648 <= test_#t~nondet40 && test_#t~nondet40 <= 2147483647;test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; {10514#true} is VALID [2020-07-28 18:58:59,896 INFO L280 TraceCheckUtils]: 14: Hoare triple {10514#true} assume 0 != test_~tmp___2~0; {10514#true} is VALID [2020-07-28 18:58:59,896 INFO L280 TraceCheckUtils]: 15: Hoare triple {10514#true} assume !(0 != ~pumpRunning~0); {10514#true} is VALID [2020-07-28 18:58:59,896 INFO L280 TraceCheckUtils]: 16: Hoare triple {10514#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {10514#true} is VALID [2020-07-28 18:58:59,896 INFO L280 TraceCheckUtils]: 17: Hoare triple {10514#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {10514#true} is VALID [2020-07-28 18:58:59,897 INFO L280 TraceCheckUtils]: 18: Hoare triple {10514#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret62, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {10514#true} is VALID [2020-07-28 18:58:59,898 INFO L280 TraceCheckUtils]: 19: Hoare triple {10514#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~12 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,898 INFO L280 TraceCheckUtils]: 20: Hoare triple {10517#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret62 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret62 && isHighWaterLevel_#t~ret62 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret62;havoc isHighWaterLevel_#t~ret62; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,899 INFO L280 TraceCheckUtils]: 21: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~2 := 1; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,900 INFO L280 TraceCheckUtils]: 22: Hoare triple {10517#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,900 INFO L280 TraceCheckUtils]: 23: Hoare triple {10517#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret42 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret42 && processEnvironment__wrappee__highWaterSensor_#t~ret42 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret42;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,901 INFO L280 TraceCheckUtils]: 24: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret44, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret45, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,902 INFO L280 TraceCheckUtils]: 25: Hoare triple {10517#(<= 2 ~waterLevel~0)} isMethaneAlarm_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret45 && isMethaneAlarm_#t~ret45 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret45;havoc isMethaneAlarm_#t~ret45;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,902 INFO L280 TraceCheckUtils]: 26: Hoare triple {10517#(<= 2 ~waterLevel~0)} activatePump_#t~ret44 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret44 && activatePump_#t~ret44 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret44;havoc activatePump_#t~ret44; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,903 INFO L280 TraceCheckUtils]: 27: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,903 INFO L280 TraceCheckUtils]: 28: Hoare triple {10517#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,904 INFO L280 TraceCheckUtils]: 29: Hoare triple {10517#(<= 2 ~waterLevel~0)} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,905 INFO L280 TraceCheckUtils]: 30: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,905 INFO L280 TraceCheckUtils]: 31: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume !false; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,906 INFO L280 TraceCheckUtils]: 32: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,906 INFO L280 TraceCheckUtils]: 33: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,907 INFO L280 TraceCheckUtils]: 34: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~4); {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,908 INFO L280 TraceCheckUtils]: 35: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,908 INFO L280 TraceCheckUtils]: 36: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___0~1; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,909 INFO L280 TraceCheckUtils]: 37: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,909 INFO L280 TraceCheckUtils]: 38: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet40 && test_#t~nondet40 <= 2147483647;test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,910 INFO L280 TraceCheckUtils]: 39: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,911 INFO L280 TraceCheckUtils]: 40: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {10517#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,911 INFO L280 TraceCheckUtils]: 41: Hoare triple {10517#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {10518#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,912 INFO L280 TraceCheckUtils]: 42: Hoare triple {10518#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {10518#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:59,913 INFO L280 TraceCheckUtils]: 43: Hoare triple {10518#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret63, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~9, isLowWaterLevel_~tmp___0~3;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~9;havoc isLowWaterLevel_~tmp___0~3;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~13;havoc isLowWaterSensorDry_~retValue_acc~13;isLowWaterSensorDry_~retValue_acc~13 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~13; {10519#(and (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0))} is VALID [2020-07-28 18:58:59,914 INFO L280 TraceCheckUtils]: 44: Hoare triple {10519#(and (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0))} isLowWaterLevel_#t~ret63 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret63 && isLowWaterLevel_#t~ret63 <= 2147483647;isLowWaterLevel_~tmp~9 := isLowWaterLevel_#t~ret63;havoc isLowWaterLevel_#t~ret63; {10520#(and (<= ULTIMATE.start_isLowWaterLevel_~tmp~9 0) (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~9))} is VALID [2020-07-28 18:58:59,915 INFO L280 TraceCheckUtils]: 45: Hoare triple {10520#(and (<= ULTIMATE.start_isLowWaterLevel_~tmp~9 0) (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~9))} assume 0 != isLowWaterLevel_~tmp~9;isLowWaterLevel_~tmp___0~3 := 0; {10515#false} is VALID [2020-07-28 18:58:59,915 INFO L280 TraceCheckUtils]: 46: Hoare triple {10515#false} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~3;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {10515#false} is VALID [2020-07-28 18:58:59,915 INFO L280 TraceCheckUtils]: 47: Hoare triple {10515#false} processEnvironment_#t~ret43 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret43 && processEnvironment_#t~ret43 <= 2147483647;processEnvironment_~tmp~6 := processEnvironment_#t~ret43;havoc processEnvironment_#t~ret43; {10515#false} is VALID [2020-07-28 18:58:59,916 INFO L280 TraceCheckUtils]: 48: Hoare triple {10515#false} assume !(0 != processEnvironment_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {10515#false} is VALID [2020-07-28 18:58:59,916 INFO L280 TraceCheckUtils]: 49: Hoare triple {10515#false} assume !(0 == ~pumpRunning~0); {10515#false} is VALID [2020-07-28 18:58:59,916 INFO L280 TraceCheckUtils]: 50: Hoare triple {10515#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {10515#false} is VALID [2020-07-28 18:58:59,916 INFO L280 TraceCheckUtils]: 51: Hoare triple {10515#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {10515#false} is VALID [2020-07-28 18:58:59,916 INFO L280 TraceCheckUtils]: 52: Hoare triple {10515#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {10515#false} is VALID [2020-07-28 18:58:59,917 INFO L280 TraceCheckUtils]: 53: Hoare triple {10515#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {10515#false} is VALID [2020-07-28 18:58:59,917 INFO L280 TraceCheckUtils]: 54: Hoare triple {10515#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {10515#false} is VALID [2020-07-28 18:58:59,917 INFO L280 TraceCheckUtils]: 55: Hoare triple {10515#false} assume !false; {10515#false} is VALID [2020-07-28 18:58:59,921 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:59,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 18:58:59,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-28 18:58:59,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605250212] [2020-07-28 18:58:59,922 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-07-28 18:58:59,922 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:59,922 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:58:59,999 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:00,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:59:00,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:00,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:59:00,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:59:00,000 INFO L87 Difference]: Start difference. First operand 202 states and 259 transitions. Second operand 6 states. [2020-07-28 18:59:03,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:03,496 INFO L93 Difference]: Finished difference Result 1026 states and 1345 transitions. [2020-07-28 18:59:03,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-28 18:59:03,496 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-07-28 18:59:03,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:03,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:59:03,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 506 transitions. [2020-07-28 18:59:03,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:59:03,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 506 transitions. [2020-07-28 18:59:03,508 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 506 transitions. [2020-07-28 18:59:04,103 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 506 edges. 506 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:04,162 INFO L225 Difference]: With dead ends: 1026 [2020-07-28 18:59:04,162 INFO L226 Difference]: Without dead ends: 880 [2020-07-28 18:59:04,163 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-07-28 18:59:04,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-07-28 18:59:05,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 390. [2020-07-28 18:59:05,197 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:05,198 INFO L82 GeneralOperation]: Start isEquivalent. First operand 880 states. Second operand 390 states. [2020-07-28 18:59:05,198 INFO L74 IsIncluded]: Start isIncluded. First operand 880 states. Second operand 390 states. [2020-07-28 18:59:05,198 INFO L87 Difference]: Start difference. First operand 880 states. Second operand 390 states. [2020-07-28 18:59:05,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:05,230 INFO L93 Difference]: Finished difference Result 880 states and 1126 transitions. [2020-07-28 18:59:05,231 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1126 transitions. [2020-07-28 18:59:05,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:05,233 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:05,233 INFO L74 IsIncluded]: Start isIncluded. First operand 390 states. Second operand 880 states. [2020-07-28 18:59:05,233 INFO L87 Difference]: Start difference. First operand 390 states. Second operand 880 states. [2020-07-28 18:59:05,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:05,267 INFO L93 Difference]: Finished difference Result 880 states and 1126 transitions. [2020-07-28 18:59:05,267 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1126 transitions. [2020-07-28 18:59:05,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:05,269 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:05,269 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:05,269 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:05,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-07-28 18:59:05,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 500 transitions. [2020-07-28 18:59:05,280 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 500 transitions. Word has length 56 [2020-07-28 18:59:05,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:05,281 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 500 transitions. [2020-07-28 18:59:05,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:59:05,281 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 500 transitions. [2020-07-28 18:59:05,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-28 18:59:05,282 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:59:05,282 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:59:05,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-28 18:59:05,497 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:59:05,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:59:05,498 INFO L82 PathProgramCache]: Analyzing trace with hash -84366361, now seen corresponding path program 1 times [2020-07-28 18:59:05,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:59:05,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597712285] [2020-07-28 18:59:05,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:59:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:05,625 INFO L280 TraceCheckUtils]: 0: Hoare triple {14380#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {14382#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:05,626 INFO L280 TraceCheckUtils]: 1: Hoare triple {14382#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {14382#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:05,626 INFO L280 TraceCheckUtils]: 2: Hoare triple {14382#(= 1 ~systemActive~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; {14382#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:05,627 INFO L280 TraceCheckUtils]: 3: Hoare triple {14382#(= 1 ~systemActive~0)} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {14382#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:05,627 INFO L280 TraceCheckUtils]: 4: Hoare triple {14382#(= 1 ~systemActive~0)} assume 0 != main_~tmp~10; {14382#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:05,628 INFO L280 TraceCheckUtils]: 5: Hoare triple {14382#(= 1 ~systemActive~0)} havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {14382#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:05,628 INFO L280 TraceCheckUtils]: 6: Hoare triple {14382#(= 1 ~systemActive~0)} assume !false; {14382#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:05,629 INFO L280 TraceCheckUtils]: 7: Hoare triple {14382#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {14382#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:05,630 INFO L280 TraceCheckUtils]: 8: Hoare triple {14382#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; {14382#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:05,631 INFO L280 TraceCheckUtils]: 9: Hoare triple {14382#(= 1 ~systemActive~0)} assume 0 != test_~tmp~4; {14382#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:05,631 INFO L280 TraceCheckUtils]: 10: Hoare triple {14382#(= 1 ~systemActive~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {14382#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:05,632 INFO L280 TraceCheckUtils]: 11: Hoare triple {14382#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; {14382#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:05,632 INFO L280 TraceCheckUtils]: 12: Hoare triple {14382#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~1); {14382#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:05,633 INFO L280 TraceCheckUtils]: 13: Hoare triple {14382#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet40 && test_#t~nondet40 <= 2147483647;test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; {14382#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:05,633 INFO L280 TraceCheckUtils]: 14: Hoare triple {14382#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {14382#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:05,634 INFO L280 TraceCheckUtils]: 15: Hoare triple {14382#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {14382#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:59:05,634 INFO L280 TraceCheckUtils]: 16: Hoare triple {14382#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {14380#true} is VALID [2020-07-28 18:59:05,634 INFO L280 TraceCheckUtils]: 17: Hoare triple {14380#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {14380#true} is VALID [2020-07-28 18:59:05,634 INFO L280 TraceCheckUtils]: 18: Hoare triple {14380#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret62, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {14380#true} is VALID [2020-07-28 18:59:05,635 INFO L280 TraceCheckUtils]: 19: Hoare triple {14380#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~12 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {14380#true} is VALID [2020-07-28 18:59:05,635 INFO L280 TraceCheckUtils]: 20: Hoare triple {14380#true} isHighWaterLevel_#t~ret62 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret62 && isHighWaterLevel_#t~ret62 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret62;havoc isHighWaterLevel_#t~ret62; {14380#true} is VALID [2020-07-28 18:59:05,635 INFO L280 TraceCheckUtils]: 21: Hoare triple {14380#true} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~2 := 1; {14380#true} is VALID [2020-07-28 18:59:05,635 INFO L280 TraceCheckUtils]: 22: Hoare triple {14380#true} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {14380#true} is VALID [2020-07-28 18:59:05,636 INFO L280 TraceCheckUtils]: 23: Hoare triple {14380#true} processEnvironment__wrappee__highWaterSensor_#t~ret42 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret42 && processEnvironment__wrappee__highWaterSensor_#t~ret42 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret42;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42; {14380#true} is VALID [2020-07-28 18:59:05,636 INFO L280 TraceCheckUtils]: 24: Hoare triple {14380#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret44, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret45, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {14380#true} is VALID [2020-07-28 18:59:05,636 INFO L280 TraceCheckUtils]: 25: Hoare triple {14380#true} isMethaneAlarm_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret45 && isMethaneAlarm_#t~ret45 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret45;havoc isMethaneAlarm_#t~ret45;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {14380#true} is VALID [2020-07-28 18:59:05,636 INFO L280 TraceCheckUtils]: 26: Hoare triple {14380#true} activatePump_#t~ret44 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret44 && activatePump_#t~ret44 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret44;havoc activatePump_#t~ret44; {14380#true} is VALID [2020-07-28 18:59:05,637 INFO L280 TraceCheckUtils]: 27: Hoare triple {14380#true} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {14380#true} is VALID [2020-07-28 18:59:05,637 INFO L280 TraceCheckUtils]: 28: Hoare triple {14380#true} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {14380#true} is VALID [2020-07-28 18:59:05,637 INFO L280 TraceCheckUtils]: 29: Hoare triple {14380#true} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {14380#true} is VALID [2020-07-28 18:59:05,637 INFO L280 TraceCheckUtils]: 30: Hoare triple {14380#true} assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); {14380#true} is VALID [2020-07-28 18:59:05,638 INFO L280 TraceCheckUtils]: 31: Hoare triple {14380#true} assume !false; {14380#true} is VALID [2020-07-28 18:59:05,638 INFO L280 TraceCheckUtils]: 32: Hoare triple {14380#true} assume test_~splverifierCounter~0 < 4; {14380#true} is VALID [2020-07-28 18:59:05,638 INFO L280 TraceCheckUtils]: 33: Hoare triple {14380#true} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; {14380#true} is VALID [2020-07-28 18:59:05,638 INFO L280 TraceCheckUtils]: 34: Hoare triple {14380#true} assume !(0 != test_~tmp~4); {14380#true} is VALID [2020-07-28 18:59:05,638 INFO L280 TraceCheckUtils]: 35: Hoare triple {14380#true} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; {14380#true} is VALID [2020-07-28 18:59:05,639 INFO L280 TraceCheckUtils]: 36: Hoare triple {14380#true} assume 0 != test_~tmp___0~1; {14380#true} is VALID [2020-07-28 18:59:05,639 INFO L280 TraceCheckUtils]: 37: Hoare triple {14380#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {14380#true} is VALID [2020-07-28 18:59:05,639 INFO L280 TraceCheckUtils]: 38: Hoare triple {14380#true} assume -2147483648 <= test_#t~nondet40 && test_#t~nondet40 <= 2147483647;test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; {14380#true} is VALID [2020-07-28 18:59:05,639 INFO L280 TraceCheckUtils]: 39: Hoare triple {14380#true} assume 0 != test_~tmp___2~0; {14380#true} is VALID [2020-07-28 18:59:05,639 INFO L280 TraceCheckUtils]: 40: Hoare triple {14380#true} assume 0 != ~pumpRunning~0; {14380#true} is VALID [2020-07-28 18:59:05,640 INFO L280 TraceCheckUtils]: 41: Hoare triple {14380#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {14380#true} is VALID [2020-07-28 18:59:05,640 INFO L280 TraceCheckUtils]: 42: Hoare triple {14380#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {14380#true} is VALID [2020-07-28 18:59:05,640 INFO L280 TraceCheckUtils]: 43: Hoare triple {14380#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret63, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~9, isLowWaterLevel_~tmp___0~3;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~9;havoc isLowWaterLevel_~tmp___0~3;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~13;havoc isLowWaterSensorDry_~retValue_acc~13;isLowWaterSensorDry_~retValue_acc~13 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~13; {14380#true} is VALID [2020-07-28 18:59:05,640 INFO L280 TraceCheckUtils]: 44: Hoare triple {14380#true} isLowWaterLevel_#t~ret63 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret63 && isLowWaterLevel_#t~ret63 <= 2147483647;isLowWaterLevel_~tmp~9 := isLowWaterLevel_#t~ret63;havoc isLowWaterLevel_#t~ret63; {14380#true} is VALID [2020-07-28 18:59:05,642 INFO L280 TraceCheckUtils]: 45: Hoare triple {14380#true} assume !(0 != isLowWaterLevel_~tmp~9);isLowWaterLevel_~tmp___0~3 := 1; {14383#(not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~3))} is VALID [2020-07-28 18:59:05,642 INFO L280 TraceCheckUtils]: 46: Hoare triple {14383#(not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~3))} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~3;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {14384#(not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))} is VALID [2020-07-28 18:59:05,643 INFO L280 TraceCheckUtils]: 47: Hoare triple {14384#(not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))} processEnvironment_#t~ret43 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret43 && processEnvironment_#t~ret43 <= 2147483647;processEnvironment_~tmp~6 := processEnvironment_#t~ret43;havoc processEnvironment_#t~ret43; {14385#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~6))} is VALID [2020-07-28 18:59:05,644 INFO L280 TraceCheckUtils]: 48: Hoare triple {14385#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~6))} assume !(0 != processEnvironment_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {14381#false} is VALID [2020-07-28 18:59:05,644 INFO L280 TraceCheckUtils]: 49: Hoare triple {14381#false} assume !(0 == ~pumpRunning~0); {14381#false} is VALID [2020-07-28 18:59:05,644 INFO L280 TraceCheckUtils]: 50: Hoare triple {14381#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {14381#false} is VALID [2020-07-28 18:59:05,644 INFO L280 TraceCheckUtils]: 51: Hoare triple {14381#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {14381#false} is VALID [2020-07-28 18:59:05,644 INFO L280 TraceCheckUtils]: 52: Hoare triple {14381#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {14381#false} is VALID [2020-07-28 18:59:05,645 INFO L280 TraceCheckUtils]: 53: Hoare triple {14381#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {14381#false} is VALID [2020-07-28 18:59:05,645 INFO L280 TraceCheckUtils]: 54: Hoare triple {14381#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {14381#false} is VALID [2020-07-28 18:59:05,645 INFO L280 TraceCheckUtils]: 55: Hoare triple {14381#false} assume !false; {14381#false} is VALID [2020-07-28 18:59:05,648 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-28 18:59:05,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597712285] [2020-07-28 18:59:05,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036530184] [2020-07-28 18:59:05,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 18:59:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:05,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-28 18:59:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:59:05,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 18:59:05,944 INFO L280 TraceCheckUtils]: 0: Hoare triple {14380#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {14380#true} is VALID [2020-07-28 18:59:05,944 INFO L280 TraceCheckUtils]: 1: Hoare triple {14380#true} havoc main_#res;havoc main_#t~ret64, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; {14380#true} is VALID [2020-07-28 18:59:05,945 INFO L280 TraceCheckUtils]: 2: Hoare triple {14380#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; {14380#true} is VALID [2020-07-28 18:59:05,945 INFO L280 TraceCheckUtils]: 3: Hoare triple {14380#true} main_#t~ret64 := valid_product_#res;assume -2147483648 <= main_#t~ret64 && main_#t~ret64 <= 2147483647;main_~tmp~10 := main_#t~ret64;havoc main_#t~ret64; {14380#true} is VALID [2020-07-28 18:59:05,945 INFO L280 TraceCheckUtils]: 4: Hoare triple {14380#true} assume 0 != main_~tmp~10; {14380#true} is VALID [2020-07-28 18:59:05,945 INFO L280 TraceCheckUtils]: 5: Hoare triple {14380#true} havoc test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {14380#true} is VALID [2020-07-28 18:59:05,945 INFO L280 TraceCheckUtils]: 6: Hoare triple {14380#true} assume !false; {14380#true} is VALID [2020-07-28 18:59:05,945 INFO L280 TraceCheckUtils]: 7: Hoare triple {14380#true} assume test_~splverifierCounter~0 < 4; {14380#true} is VALID [2020-07-28 18:59:05,946 INFO L280 TraceCheckUtils]: 8: Hoare triple {14380#true} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; {14380#true} is VALID [2020-07-28 18:59:05,946 INFO L280 TraceCheckUtils]: 9: Hoare triple {14380#true} assume 0 != test_~tmp~4; {14380#true} is VALID [2020-07-28 18:59:05,946 INFO L280 TraceCheckUtils]: 10: Hoare triple {14380#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {14380#true} is VALID [2020-07-28 18:59:05,946 INFO L280 TraceCheckUtils]: 11: Hoare triple {14380#true} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; {14380#true} is VALID [2020-07-28 18:59:05,946 INFO L280 TraceCheckUtils]: 12: Hoare triple {14380#true} assume !(0 != test_~tmp___0~1); {14380#true} is VALID [2020-07-28 18:59:05,947 INFO L280 TraceCheckUtils]: 13: Hoare triple {14380#true} assume -2147483648 <= test_#t~nondet40 && test_#t~nondet40 <= 2147483647;test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; {14380#true} is VALID [2020-07-28 18:59:05,947 INFO L280 TraceCheckUtils]: 14: Hoare triple {14380#true} assume 0 != test_~tmp___2~0; {14380#true} is VALID [2020-07-28 18:59:05,947 INFO L280 TraceCheckUtils]: 15: Hoare triple {14380#true} assume !(0 != ~pumpRunning~0); {14380#true} is VALID [2020-07-28 18:59:05,947 INFO L280 TraceCheckUtils]: 16: Hoare triple {14380#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {14380#true} is VALID [2020-07-28 18:59:05,947 INFO L280 TraceCheckUtils]: 17: Hoare triple {14380#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {14380#true} is VALID [2020-07-28 18:59:05,947 INFO L280 TraceCheckUtils]: 18: Hoare triple {14380#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret62, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {14380#true} is VALID [2020-07-28 18:59:05,948 INFO L280 TraceCheckUtils]: 19: Hoare triple {14380#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~12 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {14380#true} is VALID [2020-07-28 18:59:05,948 INFO L280 TraceCheckUtils]: 20: Hoare triple {14380#true} isHighWaterLevel_#t~ret62 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret62 && isHighWaterLevel_#t~ret62 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret62;havoc isHighWaterLevel_#t~ret62; {14380#true} is VALID [2020-07-28 18:59:05,948 INFO L280 TraceCheckUtils]: 21: Hoare triple {14380#true} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~2 := 1; {14380#true} is VALID [2020-07-28 18:59:05,948 INFO L280 TraceCheckUtils]: 22: Hoare triple {14380#true} isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; {14380#true} is VALID [2020-07-28 18:59:05,948 INFO L280 TraceCheckUtils]: 23: Hoare triple {14380#true} processEnvironment__wrappee__highWaterSensor_#t~ret42 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret42 && processEnvironment__wrappee__highWaterSensor_#t~ret42 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret42;havoc processEnvironment__wrappee__highWaterSensor_#t~ret42; {14380#true} is VALID [2020-07-28 18:59:05,948 INFO L280 TraceCheckUtils]: 24: Hoare triple {14380#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret44, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret45, isMethaneAlarm_~retValue_acc~5;havoc isMethaneAlarm_~retValue_acc~5;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {14380#true} is VALID [2020-07-28 18:59:05,949 INFO L280 TraceCheckUtils]: 25: Hoare triple {14380#true} isMethaneAlarm_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret45 && isMethaneAlarm_#t~ret45 <= 2147483647;isMethaneAlarm_~retValue_acc~5 := isMethaneAlarm_#t~ret45;havoc isMethaneAlarm_#t~ret45;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~5; {14380#true} is VALID [2020-07-28 18:59:05,949 INFO L280 TraceCheckUtils]: 26: Hoare triple {14380#true} activatePump_#t~ret44 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret44 && activatePump_#t~ret44 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret44;havoc activatePump_#t~ret44; {14380#true} is VALID [2020-07-28 18:59:05,949 INFO L280 TraceCheckUtils]: 27: Hoare triple {14380#true} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {14380#true} is VALID [2020-07-28 18:59:05,949 INFO L280 TraceCheckUtils]: 28: Hoare triple {14380#true} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {14380#true} is VALID [2020-07-28 18:59:05,949 INFO L280 TraceCheckUtils]: 29: Hoare triple {14380#true} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {14380#true} is VALID [2020-07-28 18:59:05,950 INFO L280 TraceCheckUtils]: 30: Hoare triple {14380#true} assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); {14380#true} is VALID [2020-07-28 18:59:05,950 INFO L280 TraceCheckUtils]: 31: Hoare triple {14380#true} assume !false; {14380#true} is VALID [2020-07-28 18:59:05,950 INFO L280 TraceCheckUtils]: 32: Hoare triple {14380#true} assume test_~splverifierCounter~0 < 4; {14380#true} is VALID [2020-07-28 18:59:05,950 INFO L280 TraceCheckUtils]: 33: Hoare triple {14380#true} assume -2147483648 <= test_#t~nondet38 && test_#t~nondet38 <= 2147483647;test_~tmp~4 := test_#t~nondet38;havoc test_#t~nondet38; {14380#true} is VALID [2020-07-28 18:59:05,950 INFO L280 TraceCheckUtils]: 34: Hoare triple {14380#true} assume !(0 != test_~tmp~4); {14380#true} is VALID [2020-07-28 18:59:05,950 INFO L280 TraceCheckUtils]: 35: Hoare triple {14380#true} assume -2147483648 <= test_#t~nondet39 && test_#t~nondet39 <= 2147483647;test_~tmp___0~1 := test_#t~nondet39;havoc test_#t~nondet39; {14380#true} is VALID [2020-07-28 18:59:05,951 INFO L280 TraceCheckUtils]: 36: Hoare triple {14380#true} assume 0 != test_~tmp___0~1; {14380#true} is VALID [2020-07-28 18:59:05,951 INFO L280 TraceCheckUtils]: 37: Hoare triple {14380#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {14380#true} is VALID [2020-07-28 18:59:05,951 INFO L280 TraceCheckUtils]: 38: Hoare triple {14380#true} assume -2147483648 <= test_#t~nondet40 && test_#t~nondet40 <= 2147483647;test_~tmp___2~0 := test_#t~nondet40;havoc test_#t~nondet40; {14380#true} is VALID [2020-07-28 18:59:05,951 INFO L280 TraceCheckUtils]: 39: Hoare triple {14380#true} assume 0 != test_~tmp___2~0; {14380#true} is VALID [2020-07-28 18:59:05,952 INFO L280 TraceCheckUtils]: 40: Hoare triple {14380#true} assume 0 != ~pumpRunning~0; {14380#true} is VALID [2020-07-28 18:59:05,952 INFO L280 TraceCheckUtils]: 41: Hoare triple {14380#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {14380#true} is VALID [2020-07-28 18:59:05,952 INFO L280 TraceCheckUtils]: 42: Hoare triple {14380#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {14380#true} is VALID [2020-07-28 18:59:05,952 INFO L280 TraceCheckUtils]: 43: Hoare triple {14380#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret63, isLowWaterLevel_~retValue_acc~8, isLowWaterLevel_~tmp~9, isLowWaterLevel_~tmp___0~3;havoc isLowWaterLevel_~retValue_acc~8;havoc isLowWaterLevel_~tmp~9;havoc isLowWaterLevel_~tmp___0~3;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~13;havoc isLowWaterSensorDry_~retValue_acc~13;isLowWaterSensorDry_~retValue_acc~13 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~13; {14380#true} is VALID [2020-07-28 18:59:05,952 INFO L280 TraceCheckUtils]: 44: Hoare triple {14380#true} isLowWaterLevel_#t~ret63 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret63 && isLowWaterLevel_#t~ret63 <= 2147483647;isLowWaterLevel_~tmp~9 := isLowWaterLevel_#t~ret63;havoc isLowWaterLevel_#t~ret63; {14380#true} is VALID [2020-07-28 18:59:05,953 INFO L280 TraceCheckUtils]: 45: Hoare triple {14380#true} assume !(0 != isLowWaterLevel_~tmp~9);isLowWaterLevel_~tmp___0~3 := 1; {14524#(<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3)} is VALID [2020-07-28 18:59:05,954 INFO L280 TraceCheckUtils]: 46: Hoare triple {14524#(<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3)} isLowWaterLevel_~retValue_acc~8 := isLowWaterLevel_~tmp___0~3;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~8; {14528#(<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)} is VALID [2020-07-28 18:59:05,954 INFO L280 TraceCheckUtils]: 47: Hoare triple {14528#(<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)} processEnvironment_#t~ret43 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret43 && processEnvironment_#t~ret43 <= 2147483647;processEnvironment_~tmp~6 := processEnvironment_#t~ret43;havoc processEnvironment_#t~ret43; {14532#(<= 1 ULTIMATE.start_processEnvironment_~tmp~6)} is VALID [2020-07-28 18:59:05,955 INFO L280 TraceCheckUtils]: 48: Hoare triple {14532#(<= 1 ULTIMATE.start_processEnvironment_~tmp~6)} assume !(0 != processEnvironment_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret42, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {14381#false} is VALID [2020-07-28 18:59:05,955 INFO L280 TraceCheckUtils]: 49: Hoare triple {14381#false} assume !(0 == ~pumpRunning~0); {14381#false} is VALID [2020-07-28 18:59:05,955 INFO L280 TraceCheckUtils]: 50: Hoare triple {14381#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {14381#false} is VALID [2020-07-28 18:59:05,956 INFO L280 TraceCheckUtils]: 51: Hoare triple {14381#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {14381#false} is VALID [2020-07-28 18:59:05,956 INFO L280 TraceCheckUtils]: 52: Hoare triple {14381#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; {14381#false} is VALID [2020-07-28 18:59:05,956 INFO L280 TraceCheckUtils]: 53: Hoare triple {14381#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {14381#false} is VALID [2020-07-28 18:59:05,956 INFO L280 TraceCheckUtils]: 54: Hoare triple {14381#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {14381#false} is VALID [2020-07-28 18:59:05,956 INFO L280 TraceCheckUtils]: 55: Hoare triple {14381#false} assume !false; {14381#false} is VALID [2020-07-28 18:59:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-28 18:59:05,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 18:59:05,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-07-28 18:59:05,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857176405] [2020-07-28 18:59:05,961 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-07-28 18:59:05,961 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:59:05,961 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:59:06,020 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:06,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:59:06,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:59:06,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:59:06,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:59:06,021 INFO L87 Difference]: Start difference. First operand 390 states and 500 transitions. Second operand 5 states. [2020-07-28 18:59:07,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:07,626 INFO L93 Difference]: Finished difference Result 724 states and 927 transitions. [2020-07-28 18:59:07,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:59:07,627 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-07-28 18:59:07,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:59:07,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:07,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 191 transitions. [2020-07-28 18:59:07,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:59:07,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 191 transitions. [2020-07-28 18:59:07,631 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 191 transitions. [2020-07-28 18:59:07,858 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 191 edges. 191 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:59:07,858 INFO L225 Difference]: With dead ends: 724 [2020-07-28 18:59:07,858 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:59:07,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-28 18:59:07,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:59:07,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:59:07,860 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:59:07,861 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:07,861 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:07,861 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:07,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:07,861 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:07,861 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:07,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:07,862 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:07,862 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:07,862 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:59:07,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:59:07,862 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:59:07,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:07,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:07,863 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:59:07,863 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:59:07,863 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:59:07,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:59:07,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:59:07,863 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-07-28 18:59:07,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:59:07,864 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:59:07,864 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:59:07,864 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:59:07,864 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:59:08,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-28 18:59:08,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:59:08,315 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 63 [2020-07-28 18:59:08,524 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 97 [2020-07-28 18:59:08,671 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 65 [2020-07-28 18:59:08,919 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 104 [2020-07-28 18:59:09,197 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 94 [2020-07-28 18:59:09,379 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 80 [2020-07-28 18:59:09,597 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 107 [2020-07-28 18:59:09,957 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 24 [2020-07-28 18:59:10,300 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 23 [2020-07-28 18:59:10,579 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 24 [2020-07-28 18:59:10,980 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 14 [2020-07-28 18:59:11,400 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 26 [2020-07-28 18:59:11,770 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 27 [2020-07-28 18:59:11,885 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 18 [2020-07-28 18:59:12,246 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 24 [2020-07-28 18:59:12,825 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 22 [2020-07-28 18:59:12,829 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2020-07-28 18:59:12,829 INFO L264 CegarLoopResult]: At program point L102(lines 97 105) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:12,830 INFO L264 CegarLoopResult]: At program point L533(lines 486 534) the Hoare annotation is: false [2020-07-28 18:59:12,830 INFO L268 CegarLoopResult]: For program point L734(lines 734 738) no Hoare annotation was computed. [2020-07-28 18:59:12,830 INFO L268 CegarLoopResult]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2020-07-28 18:59:12,830 INFO L268 CegarLoopResult]: For program point L734-3(lines 734 738) no Hoare annotation was computed. [2020-07-28 18:59:12,830 INFO L268 CegarLoopResult]: For program point L734-5(lines 734 738) no Hoare annotation was computed. [2020-07-28 18:59:12,830 INFO L268 CegarLoopResult]: For program point L734-6(lines 734 738) no Hoare annotation was computed. [2020-07-28 18:59:12,831 INFO L268 CegarLoopResult]: For program point L734-8(lines 734 738) no Hoare annotation was computed. [2020-07-28 18:59:12,831 INFO L268 CegarLoopResult]: For program point L734-9(lines 734 738) no Hoare annotation was computed. [2020-07-28 18:59:12,831 INFO L268 CegarLoopResult]: For program point L734-11(lines 734 738) no Hoare annotation was computed. [2020-07-28 18:59:12,831 INFO L268 CegarLoopResult]: For program point L734-12(lines 734 738) no Hoare annotation was computed. [2020-07-28 18:59:12,831 INFO L268 CegarLoopResult]: For program point L734-14(lines 734 738) no Hoare annotation was computed. [2020-07-28 18:59:12,831 INFO L268 CegarLoopResult]: For program point L734-15(lines 734 738) no Hoare annotation was computed. [2020-07-28 18:59:12,832 INFO L268 CegarLoopResult]: For program point L734-17(lines 734 738) no Hoare annotation was computed. [2020-07-28 18:59:12,832 INFO L268 CegarLoopResult]: For program point L867(lines 867 871) no Hoare annotation was computed. [2020-07-28 18:59:12,832 INFO L268 CegarLoopResult]: For program point L867-3(lines 867 871) no Hoare annotation was computed. [2020-07-28 18:59:12,832 INFO L268 CegarLoopResult]: For program point L867-6(lines 867 871) no Hoare annotation was computed. [2020-07-28 18:59:12,832 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2020-07-28 18:59:12,833 INFO L268 CegarLoopResult]: For program point L968(line 968) no Hoare annotation was computed. [2020-07-28 18:59:12,833 INFO L268 CegarLoopResult]: For program point L968-1(line 968) no Hoare annotation was computed. [2020-07-28 18:59:12,833 INFO L268 CegarLoopResult]: For program point L968-2(line 968) no Hoare annotation was computed. [2020-07-28 18:59:12,833 INFO L268 CegarLoopResult]: For program point L507(lines 507 513) no Hoare annotation was computed. [2020-07-28 18:59:12,833 INFO L264 CegarLoopResult]: At program point L507-1(lines 507 513) the Hoare annotation is: (let ((.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse4) (and .cse6 .cse0 .cse1 .cse2 .cse4) (and .cse5 .cse0 .cse3 .cse4))) [2020-07-28 18:59:12,833 INFO L264 CegarLoopResult]: At program point L904(lines 899 907) the Hoare annotation is: false [2020-07-28 18:59:12,833 INFO L264 CegarLoopResult]: At program point L904-1(lines 899 907) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (not .cse3) .cse2 (= ~methaneLevelCritical~0 ~systemActive~0) .cse4))) [2020-07-28 18:59:12,834 INFO L264 CegarLoopResult]: At program point L904-2(lines 899 907) the Hoare annotation is: (let ((.cse7 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse6 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (not .cse7)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 ~waterLevel~0) .cse4) (and .cse5 .cse6 .cse0 .cse7 .cse4) (and .cse6 .cse0 (<= 1 ~waterLevel~0) .cse2 .cse7 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2020-07-28 18:59:12,834 INFO L264 CegarLoopResult]: At program point L904-3(lines 899 907) the Hoare annotation is: false [2020-07-28 18:59:12,834 INFO L264 CegarLoopResult]: At program point L904-4(lines 899 907) the Hoare annotation is: false [2020-07-28 18:59:12,834 INFO L264 CegarLoopResult]: At program point L904-5(lines 899 907) the Hoare annotation is: false [2020-07-28 18:59:12,834 INFO L264 CegarLoopResult]: At program point L904-6(lines 899 907) the Hoare annotation is: false [2020-07-28 18:59:12,834 INFO L264 CegarLoopResult]: At program point L904-7(lines 899 907) the Hoare annotation is: false [2020-07-28 18:59:12,834 INFO L264 CegarLoopResult]: At program point L904-8(lines 899 907) the Hoare annotation is: false [2020-07-28 18:59:12,834 INFO L264 CegarLoopResult]: At program point L740(lines 725 743) the Hoare annotation is: false [2020-07-28 18:59:12,835 INFO L264 CegarLoopResult]: At program point L740-1(lines 725 743) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse7 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 (<= 1 ~waterLevel~0) .cse5 .cse3 .cse6 .cse7 .cse4) (and .cse0 .cse2 .cse5 .cse3 (= 1 ~waterLevel~0) .cse7 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4))) [2020-07-28 18:59:12,835 INFO L264 CegarLoopResult]: At program point L740-2(lines 725 743) the Hoare annotation is: false [2020-07-28 18:59:12,835 INFO L264 CegarLoopResult]: At program point L740-3(lines 725 743) the Hoare annotation is: false [2020-07-28 18:59:12,835 INFO L264 CegarLoopResult]: At program point L740-4(lines 725 743) the Hoare annotation is: false [2020-07-28 18:59:12,835 INFO L264 CegarLoopResult]: At program point L740-5(lines 725 743) the Hoare annotation is: false [2020-07-28 18:59:12,835 INFO L264 CegarLoopResult]: At program point L775-2(lines 775 789) the Hoare annotation is: false [2020-07-28 18:59:12,835 INFO L264 CegarLoopResult]: At program point L676(lines 669 679) the Hoare annotation is: false [2020-07-28 18:59:12,835 INFO L264 CegarLoopResult]: At program point L676-1(lines 669 679) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (not .cse3) .cse2 (not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) (= ~methaneLevelCritical~0 ~systemActive~0) .cse4))) [2020-07-28 18:59:12,836 INFO L264 CegarLoopResult]: At program point L676-2(lines 669 679) the Hoare annotation is: false [2020-07-28 18:59:12,836 INFO L264 CegarLoopResult]: At program point L676-3(lines 669 679) the Hoare annotation is: false [2020-07-28 18:59:12,836 INFO L264 CegarLoopResult]: At program point L676-4(lines 669 679) the Hoare annotation is: false [2020-07-28 18:59:12,836 INFO L264 CegarLoopResult]: At program point L676-5(lines 669 679) the Hoare annotation is: false [2020-07-28 18:59:12,836 INFO L268 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2020-07-28 18:59:12,836 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-28 18:59:12,836 INFO L264 CegarLoopResult]: At program point L51-1(lines 1 971) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse1 (not .cse2) .cse4 .cse5 (= ~methaneLevelCritical~0 ~systemActive~0) .cse3))) [2020-07-28 18:59:12,836 INFO L268 CegarLoopResult]: For program point L51-2(lines 51 64) no Hoare annotation was computed. [2020-07-28 18:59:12,836 INFO L264 CegarLoopResult]: At program point L51-3(lines 1 971) the Hoare annotation is: false [2020-07-28 18:59:12,837 INFO L268 CegarLoopResult]: For program point L51-4(lines 51 64) no Hoare annotation was computed. [2020-07-28 18:59:12,837 INFO L264 CegarLoopResult]: At program point L51-5(lines 1 971) the Hoare annotation is: false [2020-07-28 18:59:12,837 INFO L268 CegarLoopResult]: For program point L944(lines 944 950) no Hoare annotation was computed. [2020-07-28 18:59:12,837 INFO L268 CegarLoopResult]: For program point L944-1(lines 944 950) no Hoare annotation was computed. [2020-07-28 18:59:12,837 INFO L268 CegarLoopResult]: For program point L944-2(lines 944 950) no Hoare annotation was computed. [2020-07-28 18:59:12,837 INFO L268 CegarLoopResult]: For program point L944-3(lines 944 950) no Hoare annotation was computed. [2020-07-28 18:59:12,837 INFO L268 CegarLoopResult]: For program point L944-4(lines 944 950) no Hoare annotation was computed. [2020-07-28 18:59:12,837 INFO L268 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2020-07-28 18:59:12,837 INFO L268 CegarLoopResult]: For program point L944-5(lines 944 950) no Hoare annotation was computed. [2020-07-28 18:59:12,837 INFO L268 CegarLoopResult]: For program point L779-1(lines 556 562) no Hoare annotation was computed. [2020-07-28 18:59:12,838 INFO L268 CegarLoopResult]: For program point L614(lines 614 631) no Hoare annotation was computed. [2020-07-28 18:59:12,838 INFO L268 CegarLoopResult]: For program point L614-1(lines 614 631) no Hoare annotation was computed. [2020-07-28 18:59:12,838 INFO L268 CegarLoopResult]: For program point L614-2(lines 614 631) no Hoare annotation was computed. [2020-07-28 18:59:12,838 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:59:12,838 INFO L268 CegarLoopResult]: For program point L879(lines 879 883) no Hoare annotation was computed. [2020-07-28 18:59:12,838 INFO L268 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-07-28 18:59:12,838 INFO L271 CegarLoopResult]: At program point L846-1(lines 846 853) the Hoare annotation is: true [2020-07-28 18:59:12,838 INFO L268 CegarLoopResult]: For program point L517(lines 517 528) no Hoare annotation was computed. [2020-07-28 18:59:12,838 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-28 18:59:12,838 INFO L268 CegarLoopResult]: For program point L55-2(lines 55 61) no Hoare annotation was computed. [2020-07-28 18:59:12,838 INFO L268 CegarLoopResult]: For program point L55-4(lines 55 61) no Hoare annotation was computed. [2020-07-28 18:59:12,838 INFO L268 CegarLoopResult]: For program point L651(lines 651 657) no Hoare annotation was computed. [2020-07-28 18:59:12,839 INFO L268 CegarLoopResult]: For program point L618(lines 618 626) no Hoare annotation was computed. [2020-07-28 18:59:12,839 INFO L268 CegarLoopResult]: For program point L651-2(lines 651 657) no Hoare annotation was computed. [2020-07-28 18:59:12,839 INFO L268 CegarLoopResult]: For program point L618-1(lines 618 626) no Hoare annotation was computed. [2020-07-28 18:59:12,839 INFO L268 CegarLoopResult]: For program point L618-2(lines 618 626) no Hoare annotation was computed. [2020-07-28 18:59:12,839 INFO L268 CegarLoopResult]: For program point L651-4(lines 651 657) no Hoare annotation was computed. [2020-07-28 18:59:12,839 INFO L268 CegarLoopResult]: For program point L651-6(lines 651 657) no Hoare annotation was computed. [2020-07-28 18:59:12,839 INFO L268 CegarLoopResult]: For program point L651-8(lines 651 657) no Hoare annotation was computed. [2020-07-28 18:59:12,839 INFO L268 CegarLoopResult]: For program point L651-10(lines 651 657) no Hoare annotation was computed. [2020-07-28 18:59:12,839 INFO L264 CegarLoopResult]: At program point L949(lines 940 953) the Hoare annotation is: false [2020-07-28 18:59:12,839 INFO L264 CegarLoopResult]: At program point L949-1(lines 940 953) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse6 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse6 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse7 .cse4) (and .cse1 .cse2 .cse3 .cse7 .cse4))) [2020-07-28 18:59:12,840 INFO L264 CegarLoopResult]: At program point L949-2(lines 940 953) the Hoare annotation is: false [2020-07-28 18:59:12,840 INFO L264 CegarLoopResult]: At program point L949-3(lines 940 953) the Hoare annotation is: false [2020-07-28 18:59:12,840 INFO L264 CegarLoopResult]: At program point L949-4(lines 940 953) the Hoare annotation is: false [2020-07-28 18:59:12,840 INFO L264 CegarLoopResult]: At program point L949-5(lines 940 953) the Hoare annotation is: false [2020-07-28 18:59:12,840 INFO L264 CegarLoopResult]: At program point L685(lines 680 688) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (<= 1 ~waterLevel~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:12,840 INFO L264 CegarLoopResult]: At program point L685-1(lines 680 688) the Hoare annotation is: false [2020-07-28 18:59:12,840 INFO L264 CegarLoopResult]: At program point L685-2(lines 680 688) the Hoare annotation is: false [2020-07-28 18:59:12,840 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:59:12,840 INFO L268 CegarLoopResult]: For program point L488(lines 487 532) no Hoare annotation was computed. [2020-07-28 18:59:12,840 INFO L268 CegarLoopResult]: For program point L753(lines 753 757) no Hoare annotation was computed. [2020-07-28 18:59:12,841 INFO L268 CegarLoopResult]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2020-07-28 18:59:12,841 INFO L268 CegarLoopResult]: For program point L753-3(lines 753 757) no Hoare annotation was computed. [2020-07-28 18:59:12,841 INFO L268 CegarLoopResult]: For program point L588(lines 588 605) no Hoare annotation was computed. [2020-07-28 18:59:12,841 INFO L268 CegarLoopResult]: For program point L753-5(lines 753 757) no Hoare annotation was computed. [2020-07-28 18:59:12,841 INFO L268 CegarLoopResult]: For program point L588-1(lines 588 605) no Hoare annotation was computed. [2020-07-28 18:59:12,841 INFO L268 CegarLoopResult]: For program point L753-6(lines 753 757) no Hoare annotation was computed. [2020-07-28 18:59:12,841 INFO L268 CegarLoopResult]: For program point L588-2(lines 588 605) no Hoare annotation was computed. [2020-07-28 18:59:12,841 INFO L268 CegarLoopResult]: For program point L489(lines 489 493) no Hoare annotation was computed. [2020-07-28 18:59:12,841 INFO L268 CegarLoopResult]: For program point L588-3(lines 588 605) no Hoare annotation was computed. [2020-07-28 18:59:12,841 INFO L268 CegarLoopResult]: For program point L753-8(lines 753 757) no Hoare annotation was computed. [2020-07-28 18:59:12,841 INFO L268 CegarLoopResult]: For program point L588-4(lines 588 605) no Hoare annotation was computed. [2020-07-28 18:59:12,842 INFO L268 CegarLoopResult]: For program point L588-5(lines 588 605) no Hoare annotation was computed. [2020-07-28 18:59:12,842 INFO L264 CegarLoopResult]: At program point L556(lines 555 574) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 ~systemActive~0) .cse2))) [2020-07-28 18:59:12,842 INFO L268 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-07-28 18:59:12,842 INFO L268 CegarLoopResult]: For program point L556-1(lines 556 562) no Hoare annotation was computed. [2020-07-28 18:59:12,842 INFO L264 CegarLoopResult]: At program point L556-2(lines 555 574) the Hoare annotation is: false [2020-07-28 18:59:12,842 INFO L268 CegarLoopResult]: For program point L523-2(lines 556 562) no Hoare annotation was computed. [2020-07-28 18:59:12,842 INFO L264 CegarLoopResult]: At program point L556-3(lines 555 574) the Hoare annotation is: false [2020-07-28 18:59:12,842 INFO L264 CegarLoopResult]: At program point L94(lines 1 971) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:12,842 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:59:12,842 INFO L271 CegarLoopResult]: At program point L855(lines 836 858) the Hoare annotation is: true [2020-07-28 18:59:12,843 INFO L264 CegarLoopResult]: At program point L823(lines 819 825) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:12,843 INFO L268 CegarLoopResult]: For program point L592(lines 592 600) no Hoare annotation was computed. [2020-07-28 18:59:12,843 INFO L268 CegarLoopResult]: For program point L592-1(lines 592 600) no Hoare annotation was computed. [2020-07-28 18:59:12,843 INFO L268 CegarLoopResult]: For program point L592-2(lines 592 600) no Hoare annotation was computed. [2020-07-28 18:59:12,843 INFO L268 CegarLoopResult]: For program point L592-3(lines 592 600) no Hoare annotation was computed. [2020-07-28 18:59:12,843 INFO L268 CegarLoopResult]: For program point L592-4(lines 592 600) no Hoare annotation was computed. [2020-07-28 18:59:12,843 INFO L268 CegarLoopResult]: For program point L592-5(lines 592 600) no Hoare annotation was computed. [2020-07-28 18:59:12,843 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:59:12,843 INFO L268 CegarLoopResult]: For program point L891(lines 891 895) no Hoare annotation was computed. [2020-07-28 18:59:12,843 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2020-07-28 18:59:12,844 INFO L264 CegarLoopResult]: At program point L759(lines 744 762) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_isLowWaterLevel_~tmp~9 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse5 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~9)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse8 (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 ~systemActive~0) .cse4 .cse5 .cse6 .cse7 .cse8) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-07-28 18:59:12,844 INFO L264 CegarLoopResult]: At program point L759-1(lines 744 762) the Hoare annotation is: false [2020-07-28 18:59:12,844 INFO L264 CegarLoopResult]: At program point L759-2(lines 744 762) the Hoare annotation is: false [2020-07-28 18:59:12,844 INFO L264 CegarLoopResult]: At program point L959(lines 954 962) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 ~systemActive~0) .cse2 .cse3 .cse4) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-28 18:59:12,844 INFO L264 CegarLoopResult]: At program point L959-1(lines 954 962) the Hoare annotation is: false [2020-07-28 18:59:12,844 INFO L264 CegarLoopResult]: At program point L959-2(lines 954 962) the Hoare annotation is: false [2020-07-28 18:59:12,844 INFO L264 CegarLoopResult]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 ~systemActive~0) .cse3) (and (<= 2 ~waterLevel~0) .cse4 .cse0 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-28 18:59:12,844 INFO L264 CegarLoopResult]: At program point L563-1(lines 563 569) the Hoare annotation is: false [2020-07-28 18:59:12,845 INFO L268 CegarLoopResult]: For program point L497(lines 497 503) no Hoare annotation was computed. [2020-07-28 18:59:12,845 INFO L264 CegarLoopResult]: At program point L563-2(lines 563 569) the Hoare annotation is: false [2020-07-28 18:59:12,845 INFO L264 CegarLoopResult]: At program point L497-1(lines 497 503) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse1 (not .cse2) .cse4 .cse5 (= ~methaneLevelCritical~0 ~systemActive~0) .cse3))) [2020-07-28 18:59:12,848 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:59:12,848 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:59:12,849 WARN L170 areAnnotationChecker]: L846 has no Hoare annotation [2020-07-28 18:59:12,849 WARN L170 areAnnotationChecker]: L846 has no Hoare annotation [2020-07-28 18:59:12,850 WARN L170 areAnnotationChecker]: L846 has no Hoare annotation [2020-07-28 18:59:12,851 WARN L170 areAnnotationChecker]: L488 has no Hoare annotation [2020-07-28 18:59:12,851 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:12,851 WARN L170 areAnnotationChecker]: L556-1 has no Hoare annotation [2020-07-28 18:59:12,851 WARN L170 areAnnotationChecker]: L488 has no Hoare annotation [2020-07-28 18:59:12,851 WARN L170 areAnnotationChecker]: L488 has no Hoare annotation [2020-07-28 18:59:12,851 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:12,851 WARN L170 areAnnotationChecker]: L556-1 has no Hoare annotation [2020-07-28 18:59:12,851 WARN L170 areAnnotationChecker]: L556-1 has no Hoare annotation [2020-07-28 18:59:12,852 WARN L170 areAnnotationChecker]: L489 has no Hoare annotation [2020-07-28 18:59:12,852 WARN L170 areAnnotationChecker]: L867-3 has no Hoare annotation [2020-07-28 18:59:12,852 WARN L170 areAnnotationChecker]: L867-3 has no Hoare annotation [2020-07-28 18:59:12,852 WARN L170 areAnnotationChecker]: L614-1 has no Hoare annotation [2020-07-28 18:59:12,852 WARN L170 areAnnotationChecker]: L497 has no Hoare annotation [2020-07-28 18:59:12,852 WARN L170 areAnnotationChecker]: L497 has no Hoare annotation [2020-07-28 18:59:12,852 WARN L170 areAnnotationChecker]: L614-1 has no Hoare annotation [2020-07-28 18:59:12,852 WARN L170 areAnnotationChecker]: L614-1 has no Hoare annotation [2020-07-28 18:59:12,852 WARN L170 areAnnotationChecker]: L879 has no Hoare annotation [2020-07-28 18:59:12,852 WARN L170 areAnnotationChecker]: L879 has no Hoare annotation [2020-07-28 18:59:12,852 WARN L170 areAnnotationChecker]: L507 has no Hoare annotation [2020-07-28 18:59:12,853 WARN L170 areAnnotationChecker]: L753-3 has no Hoare annotation [2020-07-28 18:59:12,853 WARN L170 areAnnotationChecker]: L588-3 has no Hoare annotation [2020-07-28 18:59:12,853 WARN L170 areAnnotationChecker]: L588-3 has no Hoare annotation [2020-07-28 18:59:12,853 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-28 18:59:12,853 WARN L170 areAnnotationChecker]: L507 has no Hoare annotation [2020-07-28 18:59:12,853 WARN L170 areAnnotationChecker]: L507 has no Hoare annotation [2020-07-28 18:59:12,853 WARN L170 areAnnotationChecker]: L753-3 has no Hoare annotation [2020-07-28 18:59:12,853 WARN L170 areAnnotationChecker]: L753-3 has no Hoare annotation [2020-07-28 18:59:12,853 WARN L170 areAnnotationChecker]: L944-3 has no Hoare annotation [2020-07-28 18:59:12,853 WARN L170 areAnnotationChecker]: L944-3 has no Hoare annotation [2020-07-28 18:59:12,853 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-28 18:59:12,854 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-28 18:59:12,854 WARN L170 areAnnotationChecker]: L891 has no Hoare annotation [2020-07-28 18:59:12,854 WARN L170 areAnnotationChecker]: L891 has no Hoare annotation [2020-07-28 18:59:12,854 WARN L170 areAnnotationChecker]: L517 has no Hoare annotation [2020-07-28 18:59:12,854 WARN L170 areAnnotationChecker]: L753-5 has no Hoare annotation [2020-07-28 18:59:12,854 WARN L170 areAnnotationChecker]: L734-9 has no Hoare annotation [2020-07-28 18:59:12,854 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 18:59:12,854 WARN L170 areAnnotationChecker]: L517 has no Hoare annotation [2020-07-28 18:59:12,854 WARN L170 areAnnotationChecker]: L517 has no Hoare annotation [2020-07-28 18:59:12,854 WARN L170 areAnnotationChecker]: L618-1 has no Hoare annotation [2020-07-28 18:59:12,854 WARN L170 areAnnotationChecker]: L734-9 has no Hoare annotation [2020-07-28 18:59:12,855 WARN L170 areAnnotationChecker]: L734-9 has no Hoare annotation [2020-07-28 18:59:12,855 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 18:59:12,855 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 18:59:12,855 WARN L170 areAnnotationChecker]: L776 has no Hoare annotation [2020-07-28 18:59:12,855 WARN L170 areAnnotationChecker]: L523-2 has no Hoare annotation [2020-07-28 18:59:12,855 WARN L170 areAnnotationChecker]: L523-2 has no Hoare annotation [2020-07-28 18:59:12,855 WARN L170 areAnnotationChecker]: L523 has no Hoare annotation [2020-07-28 18:59:12,855 WARN L170 areAnnotationChecker]: L523 has no Hoare annotation [2020-07-28 18:59:12,855 WARN L170 areAnnotationChecker]: L618-1 has no Hoare annotation [2020-07-28 18:59:12,855 WARN L170 areAnnotationChecker]: L618-1 has no Hoare annotation [2020-07-28 18:59:12,856 WARN L170 areAnnotationChecker]: L734-11 has no Hoare annotation [2020-07-28 18:59:12,856 WARN L170 areAnnotationChecker]: L968-1 has no Hoare annotation [2020-07-28 18:59:12,856 WARN L170 areAnnotationChecker]: L968-1 has no Hoare annotation [2020-07-28 18:59:12,856 WARN L170 areAnnotationChecker]: L776 has no Hoare annotation [2020-07-28 18:59:12,856 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-28 18:59:12,856 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-28 18:59:12,856 WARN L170 areAnnotationChecker]: L614 has no Hoare annotation [2020-07-28 18:59:12,857 WARN L170 areAnnotationChecker]: L588-2 has no Hoare annotation [2020-07-28 18:59:12,857 WARN L170 areAnnotationChecker]: L588-2 has no Hoare annotation [2020-07-28 18:59:12,857 WARN L170 areAnnotationChecker]: L592-3 has no Hoare annotation [2020-07-28 18:59:12,857 WARN L170 areAnnotationChecker]: L779 has no Hoare annotation [2020-07-28 18:59:12,857 WARN L170 areAnnotationChecker]: L779 has no Hoare annotation [2020-07-28 18:59:12,857 WARN L170 areAnnotationChecker]: L614 has no Hoare annotation [2020-07-28 18:59:12,858 WARN L170 areAnnotationChecker]: L614 has no Hoare annotation [2020-07-28 18:59:12,858 WARN L170 areAnnotationChecker]: L944-2 has no Hoare annotation [2020-07-28 18:59:12,859 WARN L170 areAnnotationChecker]: L944-2 has no Hoare annotation [2020-07-28 18:59:12,859 WARN L170 areAnnotationChecker]: L592-3 has no Hoare annotation [2020-07-28 18:59:12,859 WARN L170 areAnnotationChecker]: L592-3 has no Hoare annotation [2020-07-28 18:59:12,859 WARN L170 areAnnotationChecker]: L779-1 has no Hoare annotation [2020-07-28 18:59:12,859 WARN L170 areAnnotationChecker]: L779-1 has no Hoare annotation [2020-07-28 18:59:12,859 WARN L170 areAnnotationChecker]: L753 has no Hoare annotation [2020-07-28 18:59:12,859 WARN L170 areAnnotationChecker]: L588-1 has no Hoare annotation [2020-07-28 18:59:12,859 WARN L170 areAnnotationChecker]: L588-1 has no Hoare annotation [2020-07-28 18:59:12,859 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 18:59:12,859 WARN L170 areAnnotationChecker]: L734-6 has no Hoare annotation [2020-07-28 18:59:12,859 WARN L170 areAnnotationChecker]: L867-6 has no Hoare annotation [2020-07-28 18:59:12,860 WARN L170 areAnnotationChecker]: L867-6 has no Hoare annotation [2020-07-28 18:59:12,860 WARN L170 areAnnotationChecker]: L614-2 has no Hoare annotation [2020-07-28 18:59:12,860 WARN L170 areAnnotationChecker]: L753 has no Hoare annotation [2020-07-28 18:59:12,860 WARN L170 areAnnotationChecker]: L753 has no Hoare annotation [2020-07-28 18:59:12,860 WARN L170 areAnnotationChecker]: L944-1 has no Hoare annotation [2020-07-28 18:59:12,860 WARN L170 areAnnotationChecker]: L944-1 has no Hoare annotation [2020-07-28 18:59:12,860 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 18:59:12,860 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 18:59:12,860 WARN L170 areAnnotationChecker]: L734-6 has no Hoare annotation [2020-07-28 18:59:12,860 WARN L170 areAnnotationChecker]: L734-6 has no Hoare annotation [2020-07-28 18:59:12,860 WARN L170 areAnnotationChecker]: L651-6 has no Hoare annotation [2020-07-28 18:59:12,860 WARN L170 areAnnotationChecker]: L614-2 has no Hoare annotation [2020-07-28 18:59:12,861 WARN L170 areAnnotationChecker]: L614-2 has no Hoare annotation [2020-07-28 18:59:12,861 WARN L170 areAnnotationChecker]: L753-2 has no Hoare annotation [2020-07-28 18:59:12,861 WARN L170 areAnnotationChecker]: L734-3 has no Hoare annotation [2020-07-28 18:59:12,861 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 18:59:12,861 WARN L170 areAnnotationChecker]: L734-8 has no Hoare annotation [2020-07-28 18:59:12,861 WARN L170 areAnnotationChecker]: L651-6 has no Hoare annotation [2020-07-28 18:59:12,861 WARN L170 areAnnotationChecker]: L651-6 has no Hoare annotation [2020-07-28 18:59:12,861 WARN L170 areAnnotationChecker]: L753-6 has no Hoare annotation [2020-07-28 18:59:12,861 WARN L170 areAnnotationChecker]: L588-5 has no Hoare annotation [2020-07-28 18:59:12,861 WARN L170 areAnnotationChecker]: L588-5 has no Hoare annotation [2020-07-28 18:59:12,861 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-28 18:59:12,861 WARN L170 areAnnotationChecker]: L618 has no Hoare annotation [2020-07-28 18:59:12,862 WARN L170 areAnnotationChecker]: L734-3 has no Hoare annotation [2020-07-28 18:59:12,862 WARN L170 areAnnotationChecker]: L734-3 has no Hoare annotation [2020-07-28 18:59:12,862 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 18:59:12,862 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 18:59:12,862 WARN L170 areAnnotationChecker]: L592-2 has no Hoare annotation [2020-07-28 18:59:12,862 WARN L170 areAnnotationChecker]: L753-6 has no Hoare annotation [2020-07-28 18:59:12,862 WARN L170 areAnnotationChecker]: L753-6 has no Hoare annotation [2020-07-28 18:59:12,862 WARN L170 areAnnotationChecker]: L944-5 has no Hoare annotation [2020-07-28 18:59:12,862 WARN L170 areAnnotationChecker]: L944-5 has no Hoare annotation [2020-07-28 18:59:12,862 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-28 18:59:12,862 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-28 18:59:12,863 WARN L170 areAnnotationChecker]: L618 has no Hoare annotation [2020-07-28 18:59:12,863 WARN L170 areAnnotationChecker]: L618 has no Hoare annotation [2020-07-28 18:59:12,863 WARN L170 areAnnotationChecker]: L734-5 has no Hoare annotation [2020-07-28 18:59:12,863 WARN L170 areAnnotationChecker]: L968 has no Hoare annotation [2020-07-28 18:59:12,863 WARN L170 areAnnotationChecker]: L968 has no Hoare annotation [2020-07-28 18:59:12,863 WARN L170 areAnnotationChecker]: L592-2 has no Hoare annotation [2020-07-28 18:59:12,863 WARN L170 areAnnotationChecker]: L592-2 has no Hoare annotation [2020-07-28 18:59:12,863 WARN L170 areAnnotationChecker]: L753-8 has no Hoare annotation [2020-07-28 18:59:12,863 WARN L170 areAnnotationChecker]: L734-15 has no Hoare annotation [2020-07-28 18:59:12,863 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2020-07-28 18:59:12,864 WARN L170 areAnnotationChecker]: L588 has no Hoare annotation [2020-07-28 18:59:12,864 WARN L170 areAnnotationChecker]: L588 has no Hoare annotation [2020-07-28 18:59:12,864 WARN L170 areAnnotationChecker]: L592-1 has no Hoare annotation [2020-07-28 18:59:12,864 WARN L170 areAnnotationChecker]: L618-2 has no Hoare annotation [2020-07-28 18:59:12,864 WARN L170 areAnnotationChecker]: L734-15 has no Hoare annotation [2020-07-28 18:59:12,864 WARN L170 areAnnotationChecker]: L734-15 has no Hoare annotation [2020-07-28 18:59:12,864 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2020-07-28 18:59:12,864 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2020-07-28 18:59:12,864 WARN L170 areAnnotationChecker]: L944 has no Hoare annotation [2020-07-28 18:59:12,864 WARN L170 areAnnotationChecker]: L944 has no Hoare annotation [2020-07-28 18:59:12,864 WARN L170 areAnnotationChecker]: L592-1 has no Hoare annotation [2020-07-28 18:59:12,865 WARN L170 areAnnotationChecker]: L592-1 has no Hoare annotation [2020-07-28 18:59:12,865 WARN L170 areAnnotationChecker]: L651-4 has no Hoare annotation [2020-07-28 18:59:12,865 WARN L170 areAnnotationChecker]: L618-2 has no Hoare annotation [2020-07-28 18:59:12,865 WARN L170 areAnnotationChecker]: L618-2 has no Hoare annotation [2020-07-28 18:59:12,865 WARN L170 areAnnotationChecker]: L734-17 has no Hoare annotation [2020-07-28 18:59:12,865 WARN L170 areAnnotationChecker]: L968-2 has no Hoare annotation [2020-07-28 18:59:12,865 WARN L170 areAnnotationChecker]: L968-2 has no Hoare annotation [2020-07-28 18:59:12,865 WARN L170 areAnnotationChecker]: L734 has no Hoare annotation [2020-07-28 18:59:12,867 WARN L170 areAnnotationChecker]: L651-4 has no Hoare annotation [2020-07-28 18:59:12,867 WARN L170 areAnnotationChecker]: L651-4 has no Hoare annotation [2020-07-28 18:59:12,868 WARN L170 areAnnotationChecker]: L588-4 has no Hoare annotation [2020-07-28 18:59:12,868 WARN L170 areAnnotationChecker]: L588-4 has no Hoare annotation [2020-07-28 18:59:12,868 WARN L170 areAnnotationChecker]: L592-5 has no Hoare annotation [2020-07-28 18:59:12,868 WARN L170 areAnnotationChecker]: L734 has no Hoare annotation [2020-07-28 18:59:12,868 WARN L170 areAnnotationChecker]: L734 has no Hoare annotation [2020-07-28 18:59:12,868 WARN L170 areAnnotationChecker]: L651-2 has no Hoare annotation [2020-07-28 18:59:12,868 WARN L170 areAnnotationChecker]: L944-4 has no Hoare annotation [2020-07-28 18:59:12,868 WARN L170 areAnnotationChecker]: L944-4 has no Hoare annotation [2020-07-28 18:59:12,868 WARN L170 areAnnotationChecker]: L592-5 has no Hoare annotation [2020-07-28 18:59:12,868 WARN L170 areAnnotationChecker]: L592-5 has no Hoare annotation [2020-07-28 18:59:12,868 WARN L170 areAnnotationChecker]: L734-2 has no Hoare annotation [2020-07-28 18:59:12,868 WARN L170 areAnnotationChecker]: L651-2 has no Hoare annotation [2020-07-28 18:59:12,869 WARN L170 areAnnotationChecker]: L651-2 has no Hoare annotation [2020-07-28 18:59:12,869 WARN L170 areAnnotationChecker]: L734-12 has no Hoare annotation [2020-07-28 18:59:12,869 WARN L170 areAnnotationChecker]: L592 has no Hoare annotation [2020-07-28 18:59:12,869 WARN L170 areAnnotationChecker]: L734-12 has no Hoare annotation [2020-07-28 18:59:12,869 WARN L170 areAnnotationChecker]: L734-12 has no Hoare annotation [2020-07-28 18:59:12,869 WARN L170 areAnnotationChecker]: L651-10 has no Hoare annotation [2020-07-28 18:59:12,869 WARN L170 areAnnotationChecker]: L592 has no Hoare annotation [2020-07-28 18:59:12,869 WARN L170 areAnnotationChecker]: L592 has no Hoare annotation [2020-07-28 18:59:12,869 WARN L170 areAnnotationChecker]: L734-14 has no Hoare annotation [2020-07-28 18:59:12,869 WARN L170 areAnnotationChecker]: L651-10 has no Hoare annotation [2020-07-28 18:59:12,869 WARN L170 areAnnotationChecker]: L651-10 has no Hoare annotation [2020-07-28 18:59:12,870 WARN L170 areAnnotationChecker]: L592-4 has no Hoare annotation [2020-07-28 18:59:12,870 WARN L170 areAnnotationChecker]: L651 has no Hoare annotation [2020-07-28 18:59:12,870 WARN L170 areAnnotationChecker]: L592-4 has no Hoare annotation [2020-07-28 18:59:12,870 WARN L170 areAnnotationChecker]: L592-4 has no Hoare annotation [2020-07-28 18:59:12,870 WARN L170 areAnnotationChecker]: L651 has no Hoare annotation [2020-07-28 18:59:12,870 WARN L170 areAnnotationChecker]: L651 has no Hoare annotation [2020-07-28 18:59:12,870 WARN L170 areAnnotationChecker]: L651-8 has no Hoare annotation [2020-07-28 18:59:12,870 WARN L170 areAnnotationChecker]: L651-8 has no Hoare annotation [2020-07-28 18:59:12,870 WARN L170 areAnnotationChecker]: L651-8 has no Hoare annotation [2020-07-28 18:59:12,870 INFO L163 areAnnotationChecker]: CFG has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:59:12,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:59:12 BoogieIcfgContainer [2020-07-28 18:59:12,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:59:12,904 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:59:12,904 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:59:12,905 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:59:12,905 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:43" (3/4) ... [2020-07-28 18:59:12,908 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:59:12,930 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:59:12,931 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:59:12,932 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:59:12,933 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:59:12,934 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:59:12,936 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:12,937 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:12,967 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && tmp == 0) && 0 == \result) && 1 == systemActive) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || (((((0 == splverifierCounter && !(0 == \result)) && 1 <= waterLevel) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) [2020-07-28 18:59:12,968 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && tmp == 0) && 0 == \result) && 1 == systemActive) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || (((((0 == splverifierCounter && !(0 == \result)) && 1 <= waterLevel) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) [2020-07-28 18:59:12,970 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == splverifierCounter && !(0 == \result)) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == waterLevel) && 1 == systemActive) || ((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == \result) && 1 == systemActive)) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive)) || (((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) [2020-07-28 18:59:12,971 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && 1 <= waterLevel) && methaneLevelCritical == systemActive) && 0 <= \result) && 1 == systemActive) && \result <= 0) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 0 <= \result) && 1 == systemActive) && \result <= 0) [2020-07-28 18:59:12,972 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((((1 == \result && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || (((((1 == \result && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) [2020-07-28 18:59:12,972 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && !(0 == \result)) && 1 <= waterLevel) && 0 == \result) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive [2020-07-28 18:59:12,973 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp <= 0 && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && methaneLevelCritical == systemActive) && 0 <= \result) && 0 <= tmp) && 1 == systemActive) && \result <= 0) && 1 <= tmp___0) || (((((((((0 == methaneLevelCritical && tmp <= 0) && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 0 <= \result) && 0 <= tmp) && 1 == systemActive) && \result <= 0) && 1 <= tmp___0) [2020-07-28 18:59:12,974 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((((0 == splverifierCounter && 1 <= waterLevel) && 0 == \result) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 0 == tmp___0) && 1 == systemActive)) || ((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 0 == tmp___0) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) [2020-07-28 18:59:12,976 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) [2020-07-28 18:59:12,976 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive) || ((((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && !(0 == \result)) && methaneLevelCritical == systemActive) && 1 == systemActive) [2020-07-28 18:59:13,078 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:59:13,079 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:59:13,081 INFO L168 Benchmark]: Toolchain (without parser) took 32550.42 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 553.1 MB). Free memory was 956.2 MB in the beginning and 1.5 GB in the end (delta: -494.0 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:13,081 INFO L168 Benchmark]: CDTParser took 2.95 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 18:59:13,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -147.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:13,082 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:13,082 INFO L168 Benchmark]: Boogie Preprocessor took 59.09 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 18:59:13,083 INFO L168 Benchmark]: RCFGBuilder took 1813.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 897.7 MB in the end (delta: 199.4 MB). Peak memory consumption was 199.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:13,083 INFO L168 Benchmark]: TraceAbstraction took 29729.59 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 424.1 MB). Free memory was 897.7 MB in the beginning and 1.5 GB in the end (delta: -567.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:13,083 INFO L168 Benchmark]: Witness Printer took 174.45 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:13,085 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 2.95 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 676.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -147.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.09 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 1813.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 897.7 MB in the end (delta: 199.4 MB). Peak memory consumption was 199.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29729.59 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 424.1 MB). Free memory was 897.7 MB in the beginning and 1.5 GB in the end (delta: -567.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 174.45 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 968]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 968]: 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: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive) || ((((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && !(0 == \result)) && methaneLevelCritical == systemActive) && 1 == systemActive) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && tmp == 0) && 0 == \result) && 1 == systemActive) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || (((((0 == splverifierCounter && !(0 == \result)) && 1 <= waterLevel) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 1 <= waterLevel) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) || (((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == systemActive)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && tmp == 0) && 0 == \result) && 1 == systemActive) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || (((((0 == splverifierCounter && !(0 == \result)) && 1 <= waterLevel) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 1 == systemActive) || (((0 == splverifierCounter && 1 <= waterLevel) && methaneLevelCritical == systemActive) && 1 == systemActive) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((((((0 == splverifierCounter && !(0 == \result)) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == waterLevel) && 1 == systemActive) || ((((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == \result) && 1 == systemActive)) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive)) || (((((2 <= waterLevel && 0 == splverifierCounter) && !(0 == \result)) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || ((((((0 == splverifierCounter && 1 <= waterLevel) && 0 == \result) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 0 == tmp___0) && 1 == systemActive)) || ((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && 0 == tmp___0) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && !(0 == \result)) && 1 <= waterLevel) && 0 == \result) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 1 <= waterLevel) && methaneLevelCritical == systemActive) && 0 <= \result) && 1 == systemActive) && \result <= 0) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 0 <= \result) && 1 == systemActive) && \result <= 0) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((((1 == \result && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || (((((1 == \result && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (((((((((tmp <= 0 && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && methaneLevelCritical == systemActive) && 0 <= \result) && 0 <= tmp) && 1 == systemActive) && \result <= 0) && 1 <= tmp___0) || (((((((((0 == methaneLevelCritical && tmp <= 0) && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 0 <= \result) && 0 <= tmp) && 1 == systemActive) && \result <= 0) && 1 <= tmp___0) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 1 <= waterLevel) && 0 == pumpRunning) && methaneLevelCritical == systemActive) && 1 == systemActive) || (((2 <= waterLevel && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == systemActive)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || (((2 <= waterLevel && 0 == splverifierCounter) && methaneLevelCritical == systemActive) && 1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.8s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 18.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1411 SDtfs, 1881 SDslu, 2653 SDs, 0 SdLazy, 364 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 133 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=390occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 1346 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 192 NumberOfFragments, 754 HoareAnnotationTreeSize, 54 FomulaSimplifications, 961333 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 54 FomulaSimplificationsInter, 82531 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 487 ConstructedInterpolants, 0 QuantifiedInterpolants, 39576 SizeOfPredicates, 8 NumberOfNonLiveVariables, 837 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 40/56 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...