./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product40.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_product40.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 ad65d1d3307a121fce5b7d95113e2f3f66b04b5a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:58:10,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:58:10,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:58:10,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:58:10,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:58:10,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:58:10,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:58:10,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:58:10,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:58:10,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:58:10,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:58:10,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:58:10,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:58:10,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:58:10,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:58:10,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:58:10,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:58:10,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:58:10,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:58:10,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:58:10,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:58:10,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:58:10,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:58:10,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:58:10,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:58:10,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:58:10,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:58:10,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:58:10,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:58:10,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:58:10,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:58:10,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:58:10,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:58:10,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:58:10,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:58:10,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:58:10,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:58:10,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:58:10,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:58:10,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:58:10,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:58:10,313 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:58:10,328 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:58:10,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:58:10,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:58:10,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:58:10,330 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:58:10,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:58:10,331 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:58:10,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:58:10,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:58:10,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:58:10,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:58:10,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:58:10,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:58:10,333 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:58:10,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:58:10,333 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:58:10,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:58:10,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:58:10,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:58:10,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:58:10,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:58:10,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:10,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:58:10,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:58:10,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:58:10,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:58:10,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:58:10,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:58:10,337 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:58:10,337 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 -> ad65d1d3307a121fce5b7d95113e2f3f66b04b5a [2020-07-28 18:58:10,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:58:10,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:58:10,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:58:10,677 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:58:10,677 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:58:10,678 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c [2020-07-28 18:58:10,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fab30e68/26b131512d174327aeb275823d9821e0/FLAGdebb15347 [2020-07-28 18:58:11,289 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:58:11,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product40.cil.c [2020-07-28 18:58:11,304 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fab30e68/26b131512d174327aeb275823d9821e0/FLAGdebb15347 [2020-07-28 18:58:11,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fab30e68/26b131512d174327aeb275823d9821e0 [2020-07-28 18:58:11,588 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:58:11,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:58:11,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:11,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:58:11,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:58:11,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:11,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae49375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11, skipping insertion in model container [2020-07-28 18:58:11,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:11,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:58:11,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:58:12,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:12,055 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:58:12,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:12,269 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:58:12,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:12 WrapperNode [2020-07-28 18:58:12,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:12,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:12,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:58:12,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:58:12,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:12" (1/1) ... [2020-07-28 18:58:12,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:12" (1/1) ... [2020-07-28 18:58:12,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:12,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:58:12,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:58:12,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:58:12,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:12" (1/1) ... [2020-07-28 18:58:12,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:12" (1/1) ... [2020-07-28 18:58:12,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:12" (1/1) ... [2020-07-28 18:58:12,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:12" (1/1) ... [2020-07-28 18:58:12,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:12" (1/1) ... [2020-07-28 18:58:12,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:12" (1/1) ... [2020-07-28 18:58:12,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:12" (1/1) ... [2020-07-28 18:58:12,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:58:12,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:58:12,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:58:12,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:58:12,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:12" (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 18:58:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:58:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:58:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:58:12,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:58:14,119 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:58:14,120 INFO L295 CfgBuilder]: Removed 162 assume(true) statements. [2020-07-28 18:58:14,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:14 BoogieIcfgContainer [2020-07-28 18:58:14,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:58:14,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:58:14,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:58:14,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:58:14,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:58:11" (1/3) ... [2020-07-28 18:58:14,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1296a12c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:14, skipping insertion in model container [2020-07-28 18:58:14,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:12" (2/3) ... [2020-07-28 18:58:14,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1296a12c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:14, skipping insertion in model container [2020-07-28 18:58:14,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:14" (3/3) ... [2020-07-28 18:58:14,142 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product40.cil.c [2020-07-28 18:58:14,155 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:58:14,167 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:58:14,181 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:58:14,215 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:58:14,216 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:58:14,216 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:58:14,217 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:58:14,218 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:58:14,218 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:58:14,219 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:58:14,220 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:58:14,250 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2020-07-28 18:58:14,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:58:14,260 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:14,261 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:14,262 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:14,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:14,272 INFO L82 PathProgramCache]: Analyzing trace with hash 2074315904, now seen corresponding path program 1 times [2020-07-28 18:58:14,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:14,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663640381] [2020-07-28 18:58:14,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:14,640 INFO L280 TraceCheckUtils]: 0: Hoare triple {116#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {116#true} is VALID [2020-07-28 18:58:14,641 INFO L280 TraceCheckUtils]: 1: Hoare triple {116#true} havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {116#true} is VALID [2020-07-28 18:58:14,641 INFO L280 TraceCheckUtils]: 2: Hoare triple {116#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {116#true} is VALID [2020-07-28 18:58:14,642 INFO L280 TraceCheckUtils]: 3: Hoare triple {116#true} main_#t~ret26 := valid_product_#res;assume -2147483648 <= main_#t~ret26 && main_#t~ret26 <= 2147483647;main_~tmp~5 := main_#t~ret26;havoc main_#t~ret26; {116#true} is VALID [2020-07-28 18:58:14,642 INFO L280 TraceCheckUtils]: 4: Hoare triple {116#true} assume 0 != main_~tmp~5; {116#true} is VALID [2020-07-28 18:58:14,643 INFO L280 TraceCheckUtils]: 5: Hoare triple {116#true} havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {116#true} is VALID [2020-07-28 18:58:14,644 INFO L280 TraceCheckUtils]: 6: Hoare triple {116#true} assume false; {117#false} is VALID [2020-07-28 18:58:14,645 INFO L280 TraceCheckUtils]: 7: Hoare triple {117#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {117#false} is VALID [2020-07-28 18:58:14,645 INFO L280 TraceCheckUtils]: 8: Hoare triple {117#false} assume !(0 != ~pumpRunning~0); {117#false} is VALID [2020-07-28 18:58:14,646 INFO L280 TraceCheckUtils]: 9: Hoare triple {117#false} assume !(0 != ~systemActive~0); {117#false} is VALID [2020-07-28 18:58:14,646 INFO L280 TraceCheckUtils]: 10: Hoare triple {117#false} havoc __utac_acc__Specification1_spec__1_#t~ret24, __utac_acc__Specification1_spec__1_#t~ret25, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {117#false} is VALID [2020-07-28 18:58:14,647 INFO L280 TraceCheckUtils]: 11: Hoare triple {117#false} __utac_acc__Specification1_spec__1_#t~ret24 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret24 && __utac_acc__Specification1_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret24;havoc __utac_acc__Specification1_spec__1_#t~ret24; {117#false} is VALID [2020-07-28 18:58:14,647 INFO L280 TraceCheckUtils]: 12: Hoare triple {117#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {117#false} is VALID [2020-07-28 18:58:14,648 INFO L280 TraceCheckUtils]: 13: Hoare triple {117#false} __utac_acc__Specification1_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret25 && __utac_acc__Specification1_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret25;havoc __utac_acc__Specification1_spec__1_#t~ret25; {117#false} is VALID [2020-07-28 18:58:14,648 INFO L280 TraceCheckUtils]: 14: Hoare triple {117#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {117#false} is VALID [2020-07-28 18:58:14,649 INFO L280 TraceCheckUtils]: 15: Hoare triple {117#false} assume !false; {117#false} is VALID [2020-07-28 18:58:14,653 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 18:58:14,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663640381] [2020-07-28 18:58:14,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:14,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:14,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682948554] [2020-07-28 18:58:14,662 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:14,664 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:14,668 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:58:14,704 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 18:58:14,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:58:14,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:14,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:58:14,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:14,718 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2020-07-28 18:58:15,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:15,122 INFO L93 Difference]: Finished difference Result 220 states and 335 transitions. [2020-07-28 18:58:15,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:58:15,122 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:15,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:15,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:15,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 335 transitions. [2020-07-28 18:58:15,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:15,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 335 transitions. [2020-07-28 18:58:15,143 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 335 transitions. [2020-07-28 18:58:15,563 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 335 edges. 335 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:15,581 INFO L225 Difference]: With dead ends: 220 [2020-07-28 18:58:15,582 INFO L226 Difference]: Without dead ends: 109 [2020-07-28 18:58:15,586 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 18:58:15,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-28 18:58:15,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-07-28 18:58:15,690 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:15,691 INFO L82 GeneralOperation]: Start isEquivalent. First operand 109 states. Second operand 109 states. [2020-07-28 18:58:15,692 INFO L74 IsIncluded]: Start isIncluded. First operand 109 states. Second operand 109 states. [2020-07-28 18:58:15,692 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 109 states. [2020-07-28 18:58:15,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:15,701 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2020-07-28 18:58:15,701 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2020-07-28 18:58:15,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:15,702 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:15,703 INFO L74 IsIncluded]: Start isIncluded. First operand 109 states. Second operand 109 states. [2020-07-28 18:58:15,703 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 109 states. [2020-07-28 18:58:15,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:15,710 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2020-07-28 18:58:15,710 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2020-07-28 18:58:15,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:15,712 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:15,712 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:15,712 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:15,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-07-28 18:58:15,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 159 transitions. [2020-07-28 18:58:15,720 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 159 transitions. Word has length 16 [2020-07-28 18:58:15,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:15,721 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 159 transitions. [2020-07-28 18:58:15,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:58:15,721 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2020-07-28 18:58:15,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:58:15,722 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:15,722 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 18:58:15,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:58:15,723 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:15,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:15,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1027559007, now seen corresponding path program 1 times [2020-07-28 18:58:15,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:15,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849464202] [2020-07-28 18:58:15,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:15,852 INFO L280 TraceCheckUtils]: 0: Hoare triple {794#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {794#true} is VALID [2020-07-28 18:58:15,853 INFO L280 TraceCheckUtils]: 1: Hoare triple {794#true} havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {794#true} is VALID [2020-07-28 18:58:15,853 INFO L280 TraceCheckUtils]: 2: Hoare triple {794#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {794#true} is VALID [2020-07-28 18:58:15,853 INFO L280 TraceCheckUtils]: 3: Hoare triple {794#true} main_#t~ret26 := valid_product_#res;assume -2147483648 <= main_#t~ret26 && main_#t~ret26 <= 2147483647;main_~tmp~5 := main_#t~ret26;havoc main_#t~ret26; {794#true} is VALID [2020-07-28 18:58:15,853 INFO L280 TraceCheckUtils]: 4: Hoare triple {794#true} assume 0 != main_~tmp~5; {794#true} is VALID [2020-07-28 18:58:15,855 INFO L280 TraceCheckUtils]: 5: Hoare triple {794#true} havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {796#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:15,856 INFO L280 TraceCheckUtils]: 6: Hoare triple {796#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {796#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:15,857 INFO L280 TraceCheckUtils]: 7: Hoare triple {796#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {795#false} is VALID [2020-07-28 18:58:15,857 INFO L280 TraceCheckUtils]: 8: Hoare triple {795#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {795#false} is VALID [2020-07-28 18:58:15,857 INFO L280 TraceCheckUtils]: 9: Hoare triple {795#false} assume !(0 != ~pumpRunning~0); {795#false} is VALID [2020-07-28 18:58:15,858 INFO L280 TraceCheckUtils]: 10: Hoare triple {795#false} assume !(0 != ~systemActive~0); {795#false} is VALID [2020-07-28 18:58:15,858 INFO L280 TraceCheckUtils]: 11: Hoare triple {795#false} havoc __utac_acc__Specification1_spec__1_#t~ret24, __utac_acc__Specification1_spec__1_#t~ret25, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {795#false} is VALID [2020-07-28 18:58:15,859 INFO L280 TraceCheckUtils]: 12: Hoare triple {795#false} __utac_acc__Specification1_spec__1_#t~ret24 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret24 && __utac_acc__Specification1_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret24;havoc __utac_acc__Specification1_spec__1_#t~ret24; {795#false} is VALID [2020-07-28 18:58:15,859 INFO L280 TraceCheckUtils]: 13: Hoare triple {795#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {795#false} is VALID [2020-07-28 18:58:15,859 INFO L280 TraceCheckUtils]: 14: Hoare triple {795#false} __utac_acc__Specification1_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret25 && __utac_acc__Specification1_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret25;havoc __utac_acc__Specification1_spec__1_#t~ret25; {795#false} is VALID [2020-07-28 18:58:15,860 INFO L280 TraceCheckUtils]: 15: Hoare triple {795#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {795#false} is VALID [2020-07-28 18:58:15,860 INFO L280 TraceCheckUtils]: 16: Hoare triple {795#false} assume !false; {795#false} is VALID [2020-07-28 18:58:15,863 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 18:58:15,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849464202] [2020-07-28 18:58:15,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:15,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:15,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862318480] [2020-07-28 18:58:15,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:15,867 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:15,867 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:15,903 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 18:58:15,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:15,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:15,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:15,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:15,904 INFO L87 Difference]: Start difference. First operand 109 states and 159 transitions. Second operand 3 states. [2020-07-28 18:58:16,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:16,212 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2020-07-28 18:58:16,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:16,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:16,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:16,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:16,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2020-07-28 18:58:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2020-07-28 18:58:16,219 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 159 transitions. [2020-07-28 18:58:16,424 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 159 edges. 159 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:16,425 INFO L225 Difference]: With dead ends: 109 [2020-07-28 18:58:16,426 INFO L226 Difference]: Without dead ends: 47 [2020-07-28 18:58:16,427 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 18:58:16,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-07-28 18:58:16,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-07-28 18:58:16,445 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:16,446 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:16,446 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:16,446 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:16,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:16,448 INFO L93 Difference]: Finished difference Result 47 states and 68 transitions. [2020-07-28 18:58:16,448 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-07-28 18:58:16,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:16,449 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:16,449 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:16,450 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:16,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:16,452 INFO L93 Difference]: Finished difference Result 47 states and 68 transitions. [2020-07-28 18:58:16,452 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-07-28 18:58:16,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:16,453 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:16,453 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:16,453 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:16,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-07-28 18:58:16,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2020-07-28 18:58:16,456 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2020-07-28 18:58:16,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:16,456 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2020-07-28 18:58:16,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:16,456 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-07-28 18:58:16,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:58:16,457 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:16,457 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 18:58:16,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:58:16,458 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:16,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:16,458 INFO L82 PathProgramCache]: Analyzing trace with hash 109011716, now seen corresponding path program 1 times [2020-07-28 18:58:16,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:16,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434119592] [2020-07-28 18:58:16,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:16,600 INFO L280 TraceCheckUtils]: 0: Hoare triple {1109#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1109#true} is VALID [2020-07-28 18:58:16,601 INFO L280 TraceCheckUtils]: 1: Hoare triple {1109#true} havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {1109#true} is VALID [2020-07-28 18:58:16,602 INFO L280 TraceCheckUtils]: 2: Hoare triple {1109#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {1111#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 18:58:16,603 INFO L280 TraceCheckUtils]: 3: Hoare triple {1111#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret26 := valid_product_#res;assume -2147483648 <= main_#t~ret26 && main_#t~ret26 <= 2147483647;main_~tmp~5 := main_#t~ret26;havoc main_#t~ret26; {1112#(= 1 ULTIMATE.start_main_~tmp~5)} is VALID [2020-07-28 18:58:16,604 INFO L280 TraceCheckUtils]: 4: Hoare triple {1112#(= 1 ULTIMATE.start_main_~tmp~5)} assume 0 != main_~tmp~5; {1109#true} is VALID [2020-07-28 18:58:16,604 INFO L280 TraceCheckUtils]: 5: Hoare triple {1109#true} havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1109#true} is VALID [2020-07-28 18:58:16,604 INFO L280 TraceCheckUtils]: 6: Hoare triple {1109#true} assume !false; {1109#true} is VALID [2020-07-28 18:58:16,605 INFO L280 TraceCheckUtils]: 7: Hoare triple {1109#true} assume test_~splverifierCounter~0 < 4; {1109#true} is VALID [2020-07-28 18:58:16,605 INFO L280 TraceCheckUtils]: 8: Hoare triple {1109#true} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; {1109#true} is VALID [2020-07-28 18:58:16,605 INFO L280 TraceCheckUtils]: 9: Hoare triple {1109#true} assume !(0 != test_~tmp~3); {1109#true} is VALID [2020-07-28 18:58:16,606 INFO L280 TraceCheckUtils]: 10: Hoare triple {1109#true} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; {1109#true} is VALID [2020-07-28 18:58:16,606 INFO L280 TraceCheckUtils]: 11: Hoare triple {1109#true} assume !(0 != test_~tmp___0~1); {1109#true} is VALID [2020-07-28 18:58:16,606 INFO L280 TraceCheckUtils]: 12: Hoare triple {1109#true} assume -2147483648 <= test_#t~nondet22 && test_#t~nondet22 <= 2147483647;test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; {1109#true} is VALID [2020-07-28 18:58:16,607 INFO L280 TraceCheckUtils]: 13: Hoare triple {1109#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1113#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:16,609 INFO L280 TraceCheckUtils]: 14: Hoare triple {1113#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1113#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:16,610 INFO L280 TraceCheckUtils]: 15: Hoare triple {1113#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1110#false} is VALID [2020-07-28 18:58:16,611 INFO L280 TraceCheckUtils]: 16: Hoare triple {1110#false} havoc __utac_acc__Specification1_spec__1_#t~ret24, __utac_acc__Specification1_spec__1_#t~ret25, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {1110#false} is VALID [2020-07-28 18:58:16,611 INFO L280 TraceCheckUtils]: 17: Hoare triple {1110#false} __utac_acc__Specification1_spec__1_#t~ret24 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret24 && __utac_acc__Specification1_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret24;havoc __utac_acc__Specification1_spec__1_#t~ret24; {1110#false} is VALID [2020-07-28 18:58:16,611 INFO L280 TraceCheckUtils]: 18: Hoare triple {1110#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {1110#false} is VALID [2020-07-28 18:58:16,612 INFO L280 TraceCheckUtils]: 19: Hoare triple {1110#false} __utac_acc__Specification1_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret25 && __utac_acc__Specification1_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret25;havoc __utac_acc__Specification1_spec__1_#t~ret25; {1110#false} is VALID [2020-07-28 18:58:16,612 INFO L280 TraceCheckUtils]: 20: Hoare triple {1110#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {1110#false} is VALID [2020-07-28 18:58:16,612 INFO L280 TraceCheckUtils]: 21: Hoare triple {1110#false} assume !false; {1110#false} is VALID [2020-07-28 18:58:16,614 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 18:58:16,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434119592] [2020-07-28 18:58:16,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:16,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:16,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568908218] [2020-07-28 18:58:16,616 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 18:58:16,616 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:16,616 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:16,654 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 18:58:16,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:16,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:16,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:16,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:16,656 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 5 states. [2020-07-28 18:58:17,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:17,164 INFO L93 Difference]: Finished difference Result 111 states and 164 transitions. [2020-07-28 18:58:17,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:17,164 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 18:58:17,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:17,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:17,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 164 transitions. [2020-07-28 18:58:17,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:17,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 164 transitions. [2020-07-28 18:58:17,173 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 164 transitions. [2020-07-28 18:58:17,376 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 164 edges. 164 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:17,380 INFO L225 Difference]: With dead ends: 111 [2020-07-28 18:58:17,380 INFO L226 Difference]: Without dead ends: 70 [2020-07-28 18:58:17,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 18:58:17,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-07-28 18:58:17,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2020-07-28 18:58:17,449 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:17,449 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand 66 states. [2020-07-28 18:58:17,450 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 66 states. [2020-07-28 18:58:17,450 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 66 states. [2020-07-28 18:58:17,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:17,453 INFO L93 Difference]: Finished difference Result 70 states and 101 transitions. [2020-07-28 18:58:17,453 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2020-07-28 18:58:17,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:17,455 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:17,455 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 70 states. [2020-07-28 18:58:17,455 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 70 states. [2020-07-28 18:58:17,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:17,465 INFO L93 Difference]: Finished difference Result 70 states and 101 transitions. [2020-07-28 18:58:17,465 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2020-07-28 18:58:17,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:17,466 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:17,468 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:17,468 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:17,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-28 18:58:17,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 97 transitions. [2020-07-28 18:58:17,475 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 97 transitions. Word has length 22 [2020-07-28 18:58:17,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:17,475 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 97 transitions. [2020-07-28 18:58:17,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:17,475 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 97 transitions. [2020-07-28 18:58:17,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:58:17,476 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:17,476 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 18:58:17,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:58:17,477 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:17,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:17,478 INFO L82 PathProgramCache]: Analyzing trace with hash 60563277, now seen corresponding path program 1 times [2020-07-28 18:58:17,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:17,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414494905] [2020-07-28 18:58:17,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:17,618 INFO L280 TraceCheckUtils]: 0: Hoare triple {1509#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,619 INFO L280 TraceCheckUtils]: 1: Hoare triple {1511#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,620 INFO L280 TraceCheckUtils]: 2: Hoare triple {1511#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,620 INFO L280 TraceCheckUtils]: 3: Hoare triple {1511#(= 0 ~pumpRunning~0)} main_#t~ret26 := valid_product_#res;assume -2147483648 <= main_#t~ret26 && main_#t~ret26 <= 2147483647;main_~tmp~5 := main_#t~ret26;havoc main_#t~ret26; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,621 INFO L280 TraceCheckUtils]: 4: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~5; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,621 INFO L280 TraceCheckUtils]: 5: Hoare triple {1511#(= 0 ~pumpRunning~0)} havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,623 INFO L280 TraceCheckUtils]: 6: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume !false; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,623 INFO L280 TraceCheckUtils]: 7: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,624 INFO L280 TraceCheckUtils]: 8: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,625 INFO L280 TraceCheckUtils]: 9: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~3); {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,626 INFO L280 TraceCheckUtils]: 10: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,626 INFO L280 TraceCheckUtils]: 11: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,626 INFO L280 TraceCheckUtils]: 12: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet22 && test_#t~nondet22 <= 2147483647;test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,627 INFO L280 TraceCheckUtils]: 13: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,627 INFO L280 TraceCheckUtils]: 14: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,628 INFO L280 TraceCheckUtils]: 15: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,628 INFO L280 TraceCheckUtils]: 16: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,629 INFO L280 TraceCheckUtils]: 17: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1510#false} is VALID [2020-07-28 18:58:17,629 INFO L280 TraceCheckUtils]: 18: Hoare triple {1510#false} havoc __utac_acc__Specification1_spec__1_#t~ret24, __utac_acc__Specification1_spec__1_#t~ret25, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {1510#false} is VALID [2020-07-28 18:58:17,629 INFO L280 TraceCheckUtils]: 19: Hoare triple {1510#false} __utac_acc__Specification1_spec__1_#t~ret24 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret24 && __utac_acc__Specification1_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret24;havoc __utac_acc__Specification1_spec__1_#t~ret24; {1510#false} is VALID [2020-07-28 18:58:17,630 INFO L280 TraceCheckUtils]: 20: Hoare triple {1510#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {1510#false} is VALID [2020-07-28 18:58:17,630 INFO L280 TraceCheckUtils]: 21: Hoare triple {1510#false} __utac_acc__Specification1_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret25 && __utac_acc__Specification1_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret25;havoc __utac_acc__Specification1_spec__1_#t~ret25; {1510#false} is VALID [2020-07-28 18:58:17,630 INFO L280 TraceCheckUtils]: 22: Hoare triple {1510#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {1510#false} is VALID [2020-07-28 18:58:17,630 INFO L280 TraceCheckUtils]: 23: Hoare triple {1510#false} assume !false; {1510#false} is VALID [2020-07-28 18:58:17,631 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 18:58:17,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414494905] [2020-07-28 18:58:17,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:17,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:17,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022448882] [2020-07-28 18:58:17,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:58:17,633 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:17,633 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:17,666 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 18:58:17,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:17,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:17,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:17,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:17,667 INFO L87 Difference]: Start difference. First operand 66 states and 97 transitions. Second operand 3 states. [2020-07-28 18:58:17,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:17,975 INFO L93 Difference]: Finished difference Result 147 states and 218 transitions. [2020-07-28 18:58:17,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:17,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:58:17,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:17,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:17,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2020-07-28 18:58:17,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:17,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2020-07-28 18:58:17,981 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 162 transitions. [2020-07-28 18:58:18,169 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 162 edges. 162 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:18,172 INFO L225 Difference]: With dead ends: 147 [2020-07-28 18:58:18,172 INFO L226 Difference]: Without dead ends: 87 [2020-07-28 18:58:18,173 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 18:58:18,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-07-28 18:58:18,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2020-07-28 18:58:18,280 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:18,280 INFO L82 GeneralOperation]: Start isEquivalent. First operand 87 states. Second operand 85 states. [2020-07-28 18:58:18,280 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 85 states. [2020-07-28 18:58:18,280 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 85 states. [2020-07-28 18:58:18,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:18,283 INFO L93 Difference]: Finished difference Result 87 states and 122 transitions. [2020-07-28 18:58:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2020-07-28 18:58:18,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:18,284 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:18,284 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand 87 states. [2020-07-28 18:58:18,285 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 87 states. [2020-07-28 18:58:18,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:18,288 INFO L93 Difference]: Finished difference Result 87 states and 122 transitions. [2020-07-28 18:58:18,288 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2020-07-28 18:58:18,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:18,289 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:18,289 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:18,289 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:18,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-07-28 18:58:18,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 121 transitions. [2020-07-28 18:58:18,292 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 121 transitions. Word has length 24 [2020-07-28 18:58:18,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:18,292 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 121 transitions. [2020-07-28 18:58:18,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:18,293 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 121 transitions. [2020-07-28 18:58:18,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:58:18,293 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:18,294 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] [2020-07-28 18:58:18,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:58:18,294 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:18,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:18,294 INFO L82 PathProgramCache]: Analyzing trace with hash -445763815, now seen corresponding path program 1 times [2020-07-28 18:58:18,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:18,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640589815] [2020-07-28 18:58:18,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:18,376 INFO L280 TraceCheckUtils]: 0: Hoare triple {2011#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,387 INFO L280 TraceCheckUtils]: 1: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,388 INFO L280 TraceCheckUtils]: 2: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,389 INFO L280 TraceCheckUtils]: 3: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} main_#t~ret26 := valid_product_#res;assume -2147483648 <= main_#t~ret26 && main_#t~ret26 <= 2147483647;main_~tmp~5 := main_#t~ret26;havoc main_#t~ret26; {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,390 INFO L280 TraceCheckUtils]: 4: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~5; {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,393 INFO L280 TraceCheckUtils]: 5: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,394 INFO L280 TraceCheckUtils]: 6: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} assume !false; {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,394 INFO L280 TraceCheckUtils]: 7: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,395 INFO L280 TraceCheckUtils]: 8: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,396 INFO L280 TraceCheckUtils]: 9: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~3); {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,397 INFO L280 TraceCheckUtils]: 10: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,401 INFO L280 TraceCheckUtils]: 11: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~1); {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,403 INFO L280 TraceCheckUtils]: 12: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet22 && test_#t~nondet22 <= 2147483647;test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,404 INFO L280 TraceCheckUtils]: 13: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet23 && test_#t~nondet23 <= 2147483647;test_~tmp___1~0 := test_#t~nondet23;havoc test_#t~nondet23; {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,405 INFO L280 TraceCheckUtils]: 14: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___1~0; {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,405 INFO L280 TraceCheckUtils]: 15: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,410 INFO L280 TraceCheckUtils]: 16: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} ~systemActive~0 := 0; {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,411 INFO L280 TraceCheckUtils]: 17: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,412 INFO L280 TraceCheckUtils]: 18: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~systemActive~0); {2013#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,413 INFO L280 TraceCheckUtils]: 19: Hoare triple {2013#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret24, __utac_acc__Specification1_spec__1_#t~ret25, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {2014#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:58:18,414 INFO L280 TraceCheckUtils]: 20: Hoare triple {2014#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret24 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret24 && __utac_acc__Specification1_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret24;havoc __utac_acc__Specification1_spec__1_#t~ret24; {2015#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~4 0)} is VALID [2020-07-28 18:58:18,415 INFO L280 TraceCheckUtils]: 21: Hoare triple {2015#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~4 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {2012#false} is VALID [2020-07-28 18:58:18,415 INFO L280 TraceCheckUtils]: 22: Hoare triple {2012#false} __utac_acc__Specification1_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret25 && __utac_acc__Specification1_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret25;havoc __utac_acc__Specification1_spec__1_#t~ret25; {2012#false} is VALID [2020-07-28 18:58:18,416 INFO L280 TraceCheckUtils]: 23: Hoare triple {2012#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {2012#false} is VALID [2020-07-28 18:58:18,416 INFO L280 TraceCheckUtils]: 24: Hoare triple {2012#false} assume !false; {2012#false} is VALID [2020-07-28 18:58:18,417 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 18:58:18,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640589815] [2020-07-28 18:58:18,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:18,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:18,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488721221] [2020-07-28 18:58:18,419 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:58:18,419 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:18,419 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:18,459 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:18,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:18,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:18,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:18,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:18,461 INFO L87 Difference]: Start difference. First operand 85 states and 121 transitions. Second operand 5 states. [2020-07-28 18:58:19,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:19,661 INFO L93 Difference]: Finished difference Result 413 states and 601 transitions. [2020-07-28 18:58:19,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:58:19,662 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:58:19,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:19,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:19,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 348 transitions. [2020-07-28 18:58:19,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:19,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 348 transitions. [2020-07-28 18:58:19,675 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 348 transitions. [2020-07-28 18:58:20,077 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 348 edges. 348 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:20,088 INFO L225 Difference]: With dead ends: 413 [2020-07-28 18:58:20,089 INFO L226 Difference]: Without dead ends: 334 [2020-07-28 18:58:20,091 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 18:58:20,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-07-28 18:58:20,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 156. [2020-07-28 18:58:20,359 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:20,359 INFO L82 GeneralOperation]: Start isEquivalent. First operand 334 states. Second operand 156 states. [2020-07-28 18:58:20,359 INFO L74 IsIncluded]: Start isIncluded. First operand 334 states. Second operand 156 states. [2020-07-28 18:58:20,359 INFO L87 Difference]: Start difference. First operand 334 states. Second operand 156 states. [2020-07-28 18:58:20,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:20,373 INFO L93 Difference]: Finished difference Result 334 states and 479 transitions. [2020-07-28 18:58:20,373 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 479 transitions. [2020-07-28 18:58:20,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:20,374 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:20,374 INFO L74 IsIncluded]: Start isIncluded. First operand 156 states. Second operand 334 states. [2020-07-28 18:58:20,375 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 334 states. [2020-07-28 18:58:20,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:20,388 INFO L93 Difference]: Finished difference Result 334 states and 479 transitions. [2020-07-28 18:58:20,388 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 479 transitions. [2020-07-28 18:58:20,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:20,389 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:20,390 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:20,390 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:20,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-28 18:58:20,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 220 transitions. [2020-07-28 18:58:20,396 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 220 transitions. Word has length 25 [2020-07-28 18:58:20,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:20,396 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 220 transitions. [2020-07-28 18:58:20,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:20,397 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 220 transitions. [2020-07-28 18:58:20,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 18:58:20,398 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:20,398 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] [2020-07-28 18:58:20,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:58:20,398 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:20,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:20,399 INFO L82 PathProgramCache]: Analyzing trace with hash -649570909, now seen corresponding path program 1 times [2020-07-28 18:58:20,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:20,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294847866] [2020-07-28 18:58:20,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:20,475 INFO L280 TraceCheckUtils]: 0: Hoare triple {3496#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,476 INFO L280 TraceCheckUtils]: 1: Hoare triple {3498#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,477 INFO L280 TraceCheckUtils]: 2: Hoare triple {3498#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,478 INFO L280 TraceCheckUtils]: 3: Hoare triple {3498#(= 0 ~pumpRunning~0)} main_#t~ret26 := valid_product_#res;assume -2147483648 <= main_#t~ret26 && main_#t~ret26 <= 2147483647;main_~tmp~5 := main_#t~ret26;havoc main_#t~ret26; {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,478 INFO L280 TraceCheckUtils]: 4: Hoare triple {3498#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~5; {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,479 INFO L280 TraceCheckUtils]: 5: Hoare triple {3498#(= 0 ~pumpRunning~0)} havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,480 INFO L280 TraceCheckUtils]: 6: Hoare triple {3498#(= 0 ~pumpRunning~0)} assume !false; {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,481 INFO L280 TraceCheckUtils]: 7: Hoare triple {3498#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,481 INFO L280 TraceCheckUtils]: 8: Hoare triple {3498#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,482 INFO L280 TraceCheckUtils]: 9: Hoare triple {3498#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~3); {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,483 INFO L280 TraceCheckUtils]: 10: Hoare triple {3498#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,483 INFO L280 TraceCheckUtils]: 11: Hoare triple {3498#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~1; {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,484 INFO L280 TraceCheckUtils]: 12: Hoare triple {3498#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,485 INFO L280 TraceCheckUtils]: 13: Hoare triple {3498#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet22 && test_#t~nondet22 <= 2147483647;test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,485 INFO L280 TraceCheckUtils]: 14: Hoare triple {3498#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet23 && test_#t~nondet23 <= 2147483647;test_~tmp___1~0 := test_#t~nondet23;havoc test_#t~nondet23; {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,486 INFO L280 TraceCheckUtils]: 15: Hoare triple {3498#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___1~0; {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,487 INFO L280 TraceCheckUtils]: 16: Hoare triple {3498#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,488 INFO L280 TraceCheckUtils]: 17: Hoare triple {3498#(= 0 ~pumpRunning~0)} ~systemActive~0 := 0; {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,488 INFO L280 TraceCheckUtils]: 18: Hoare triple {3498#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,489 INFO L280 TraceCheckUtils]: 19: Hoare triple {3498#(= 0 ~pumpRunning~0)} assume !(0 != ~systemActive~0); {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,490 INFO L280 TraceCheckUtils]: 20: Hoare triple {3498#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret24, __utac_acc__Specification1_spec__1_#t~ret25, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,491 INFO L280 TraceCheckUtils]: 21: Hoare triple {3498#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret24 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret24 && __utac_acc__Specification1_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret24;havoc __utac_acc__Specification1_spec__1_#t~ret24; {3498#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,492 INFO L280 TraceCheckUtils]: 22: Hoare triple {3498#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {3499#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:58:20,493 INFO L280 TraceCheckUtils]: 23: Hoare triple {3499#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret25 && __utac_acc__Specification1_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret25;havoc __utac_acc__Specification1_spec__1_#t~ret25; {3500#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~2)} is VALID [2020-07-28 18:58:20,493 INFO L280 TraceCheckUtils]: 24: Hoare triple {3500#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~2)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {3497#false} is VALID [2020-07-28 18:58:20,494 INFO L280 TraceCheckUtils]: 25: Hoare triple {3497#false} assume !false; {3497#false} is VALID [2020-07-28 18:58:20,495 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 18:58:20,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294847866] [2020-07-28 18:58:20,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:20,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:20,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311370901] [2020-07-28 18:58:20,497 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:58:20,497 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:20,497 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:20,533 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:20,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:20,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:20,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:20,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:20,535 INFO L87 Difference]: Start difference. First operand 156 states and 220 transitions. Second operand 5 states. [2020-07-28 18:58:21,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:21,972 INFO L93 Difference]: Finished difference Result 436 states and 619 transitions. [2020-07-28 18:58:21,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:58:21,973 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:58:21,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:21,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:21,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 271 transitions. [2020-07-28 18:58:21,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:21,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 271 transitions. [2020-07-28 18:58:21,980 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 271 transitions. [2020-07-28 18:58:22,269 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 271 edges. 271 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:22,285 INFO L225 Difference]: With dead ends: 436 [2020-07-28 18:58:22,285 INFO L226 Difference]: Without dead ends: 434 [2020-07-28 18:58:22,287 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 18:58:22,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-07-28 18:58:22,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 156. [2020-07-28 18:58:22,549 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:22,550 INFO L82 GeneralOperation]: Start isEquivalent. First operand 434 states. Second operand 156 states. [2020-07-28 18:58:22,550 INFO L74 IsIncluded]: Start isIncluded. First operand 434 states. Second operand 156 states. [2020-07-28 18:58:22,550 INFO L87 Difference]: Start difference. First operand 434 states. Second operand 156 states. [2020-07-28 18:58:22,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:22,567 INFO L93 Difference]: Finished difference Result 434 states and 616 transitions. [2020-07-28 18:58:22,567 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 616 transitions. [2020-07-28 18:58:22,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:22,568 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:22,568 INFO L74 IsIncluded]: Start isIncluded. First operand 156 states. Second operand 434 states. [2020-07-28 18:58:22,569 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 434 states. [2020-07-28 18:58:22,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:22,585 INFO L93 Difference]: Finished difference Result 434 states and 616 transitions. [2020-07-28 18:58:22,586 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 616 transitions. [2020-07-28 18:58:22,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:22,587 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:22,587 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:22,587 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:22,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-28 18:58:22,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 218 transitions. [2020-07-28 18:58:22,592 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 218 transitions. Word has length 26 [2020-07-28 18:58:22,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:22,592 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 218 transitions. [2020-07-28 18:58:22,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:22,593 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 218 transitions. [2020-07-28 18:58:22,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:22,593 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:22,593 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 18:58:22,594 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 18:58:22,594 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:22,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:22,594 INFO L82 PathProgramCache]: Analyzing trace with hash 108971892, now seen corresponding path program 1 times [2020-07-28 18:58:22,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:22,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220888381] [2020-07-28 18:58:22,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:22,678 INFO L280 TraceCheckUtils]: 0: Hoare triple {5213#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {5213#true} is VALID [2020-07-28 18:58:22,678 INFO L280 TraceCheckUtils]: 1: Hoare triple {5213#true} havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {5213#true} is VALID [2020-07-28 18:58:22,679 INFO L280 TraceCheckUtils]: 2: Hoare triple {5213#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {5213#true} is VALID [2020-07-28 18:58:22,679 INFO L280 TraceCheckUtils]: 3: Hoare triple {5213#true} main_#t~ret26 := valid_product_#res;assume -2147483648 <= main_#t~ret26 && main_#t~ret26 <= 2147483647;main_~tmp~5 := main_#t~ret26;havoc main_#t~ret26; {5213#true} is VALID [2020-07-28 18:58:22,679 INFO L280 TraceCheckUtils]: 4: Hoare triple {5213#true} assume 0 != main_~tmp~5; {5213#true} is VALID [2020-07-28 18:58:22,679 INFO L280 TraceCheckUtils]: 5: Hoare triple {5213#true} havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5213#true} is VALID [2020-07-28 18:58:22,680 INFO L280 TraceCheckUtils]: 6: Hoare triple {5213#true} assume !false; {5213#true} is VALID [2020-07-28 18:58:22,680 INFO L280 TraceCheckUtils]: 7: Hoare triple {5213#true} assume test_~splverifierCounter~0 < 4; {5213#true} is VALID [2020-07-28 18:58:22,680 INFO L280 TraceCheckUtils]: 8: Hoare triple {5213#true} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; {5213#true} is VALID [2020-07-28 18:58:22,680 INFO L280 TraceCheckUtils]: 9: Hoare triple {5213#true} assume !(0 != test_~tmp~3); {5213#true} is VALID [2020-07-28 18:58:22,681 INFO L280 TraceCheckUtils]: 10: Hoare triple {5213#true} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; {5213#true} is VALID [2020-07-28 18:58:22,681 INFO L280 TraceCheckUtils]: 11: Hoare triple {5213#true} assume 0 != test_~tmp___0~1; {5213#true} is VALID [2020-07-28 18:58:22,681 INFO L280 TraceCheckUtils]: 12: Hoare triple {5213#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {5213#true} is VALID [2020-07-28 18:58:22,681 INFO L280 TraceCheckUtils]: 13: Hoare triple {5213#true} assume -2147483648 <= test_#t~nondet22 && test_#t~nondet22 <= 2147483647;test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; {5213#true} is VALID [2020-07-28 18:58:22,682 INFO L280 TraceCheckUtils]: 14: Hoare triple {5213#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {5213#true} is VALID [2020-07-28 18:58:22,682 INFO L280 TraceCheckUtils]: 15: Hoare triple {5213#true} assume !(0 != ~pumpRunning~0); {5213#true} is VALID [2020-07-28 18:58:22,682 INFO L280 TraceCheckUtils]: 16: Hoare triple {5213#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {5213#true} is VALID [2020-07-28 18:58:22,682 INFO L280 TraceCheckUtils]: 17: Hoare triple {5213#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {5213#true} is VALID [2020-07-28 18:58:22,683 INFO L280 TraceCheckUtils]: 18: Hoare triple {5213#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret19, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {5213#true} is VALID [2020-07-28 18:58:22,683 INFO L280 TraceCheckUtils]: 19: Hoare triple {5213#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {5213#true} is VALID [2020-07-28 18:58:22,683 INFO L280 TraceCheckUtils]: 20: Hoare triple {5213#true} isHighWaterLevel_#t~ret19 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret19 && isHighWaterLevel_#t~ret19 <= 2147483647;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret19;havoc isHighWaterLevel_#t~ret19; {5213#true} is VALID [2020-07-28 18:58:22,684 INFO L280 TraceCheckUtils]: 21: Hoare triple {5213#true} assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; {5215#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)} is VALID [2020-07-28 18:58:22,685 INFO L280 TraceCheckUtils]: 22: Hoare triple {5215#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)} isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; {5216#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 18:58:22,686 INFO L280 TraceCheckUtils]: 23: Hoare triple {5216#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret0 && processEnvironment__wrappee__highWaterSensor_#t~ret0 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; {5217#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0)} is VALID [2020-07-28 18:58:22,686 INFO L280 TraceCheckUtils]: 24: Hoare triple {5217#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;~pumpRunning~0 := 1; {5214#false} is VALID [2020-07-28 18:58:22,687 INFO L280 TraceCheckUtils]: 25: Hoare triple {5214#false} havoc __utac_acc__Specification1_spec__1_#t~ret24, __utac_acc__Specification1_spec__1_#t~ret25, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {5214#false} is VALID [2020-07-28 18:58:22,687 INFO L280 TraceCheckUtils]: 26: Hoare triple {5214#false} __utac_acc__Specification1_spec__1_#t~ret24 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret24 && __utac_acc__Specification1_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret24;havoc __utac_acc__Specification1_spec__1_#t~ret24; {5214#false} is VALID [2020-07-28 18:58:22,687 INFO L280 TraceCheckUtils]: 27: Hoare triple {5214#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {5214#false} is VALID [2020-07-28 18:58:22,687 INFO L280 TraceCheckUtils]: 28: Hoare triple {5214#false} __utac_acc__Specification1_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret25 && __utac_acc__Specification1_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret25;havoc __utac_acc__Specification1_spec__1_#t~ret25; {5214#false} is VALID [2020-07-28 18:58:22,687 INFO L280 TraceCheckUtils]: 29: Hoare triple {5214#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {5214#false} is VALID [2020-07-28 18:58:22,688 INFO L280 TraceCheckUtils]: 30: Hoare triple {5214#false} assume !false; {5214#false} is VALID [2020-07-28 18:58:22,689 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 18:58:22,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220888381] [2020-07-28 18:58:22,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:22,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:22,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739308939] [2020-07-28 18:58:22,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:22,691 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:22,691 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:22,725 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 18:58:22,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:22,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:22,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:22,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:22,727 INFO L87 Difference]: Start difference. First operand 156 states and 218 transitions. Second operand 5 states. [2020-07-28 18:58:23,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:23,973 INFO L93 Difference]: Finished difference Result 468 states and 648 transitions. [2020-07-28 18:58:23,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:23,973 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:23,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:23,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:23,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 195 transitions. [2020-07-28 18:58:23,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:23,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 195 transitions. [2020-07-28 18:58:23,979 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 195 transitions. [2020-07-28 18:58:24,207 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 195 edges. 195 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:24,216 INFO L225 Difference]: With dead ends: 468 [2020-07-28 18:58:24,216 INFO L226 Difference]: Without dead ends: 318 [2020-07-28 18:58:24,217 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 18:58:24,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-07-28 18:58:24,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 168. [2020-07-28 18:58:24,538 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:24,538 INFO L82 GeneralOperation]: Start isEquivalent. First operand 318 states. Second operand 168 states. [2020-07-28 18:58:24,538 INFO L74 IsIncluded]: Start isIncluded. First operand 318 states. Second operand 168 states. [2020-07-28 18:58:24,538 INFO L87 Difference]: Start difference. First operand 318 states. Second operand 168 states. [2020-07-28 18:58:24,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:24,546 INFO L93 Difference]: Finished difference Result 318 states and 432 transitions. [2020-07-28 18:58:24,546 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 432 transitions. [2020-07-28 18:58:24,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:24,547 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:24,547 INFO L74 IsIncluded]: Start isIncluded. First operand 168 states. Second operand 318 states. [2020-07-28 18:58:24,547 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 318 states. [2020-07-28 18:58:24,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:24,555 INFO L93 Difference]: Finished difference Result 318 states and 432 transitions. [2020-07-28 18:58:24,556 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 432 transitions. [2020-07-28 18:58:24,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:24,556 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:24,557 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:24,557 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:24,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-07-28 18:58:24,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 230 transitions. [2020-07-28 18:58:24,561 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 230 transitions. Word has length 31 [2020-07-28 18:58:24,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:24,561 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 230 transitions. [2020-07-28 18:58:24,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:24,562 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 230 transitions. [2020-07-28 18:58:24,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:24,562 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:24,563 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 18:58:24,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 18:58:24,563 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:24,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:24,563 INFO L82 PathProgramCache]: Analyzing trace with hash -284055118, now seen corresponding path program 1 times [2020-07-28 18:58:24,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:24,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119032610] [2020-07-28 18:58:24,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:24,658 INFO L280 TraceCheckUtils]: 0: Hoare triple {6753#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {6753#true} is VALID [2020-07-28 18:58:24,658 INFO L280 TraceCheckUtils]: 1: Hoare triple {6753#true} havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {6753#true} is VALID [2020-07-28 18:58:24,660 INFO L280 TraceCheckUtils]: 2: Hoare triple {6753#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {6755#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 18:58:24,661 INFO L280 TraceCheckUtils]: 3: Hoare triple {6755#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret26 := valid_product_#res;assume -2147483648 <= main_#t~ret26 && main_#t~ret26 <= 2147483647;main_~tmp~5 := main_#t~ret26;havoc main_#t~ret26; {6756#(= 1 ULTIMATE.start_main_~tmp~5)} is VALID [2020-07-28 18:58:24,662 INFO L280 TraceCheckUtils]: 4: Hoare triple {6756#(= 1 ULTIMATE.start_main_~tmp~5)} assume 0 != main_~tmp~5; {6753#true} is VALID [2020-07-28 18:58:24,662 INFO L280 TraceCheckUtils]: 5: Hoare triple {6753#true} havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6753#true} is VALID [2020-07-28 18:58:24,662 INFO L280 TraceCheckUtils]: 6: Hoare triple {6753#true} assume !false; {6753#true} is VALID [2020-07-28 18:58:24,663 INFO L280 TraceCheckUtils]: 7: Hoare triple {6753#true} assume test_~splverifierCounter~0 < 4; {6753#true} is VALID [2020-07-28 18:58:24,663 INFO L280 TraceCheckUtils]: 8: Hoare triple {6753#true} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; {6753#true} is VALID [2020-07-28 18:58:24,663 INFO L280 TraceCheckUtils]: 9: Hoare triple {6753#true} assume !(0 != test_~tmp~3); {6753#true} is VALID [2020-07-28 18:58:24,664 INFO L280 TraceCheckUtils]: 10: Hoare triple {6753#true} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; {6753#true} is VALID [2020-07-28 18:58:24,664 INFO L280 TraceCheckUtils]: 11: Hoare triple {6753#true} assume 0 != test_~tmp___0~1; {6753#true} is VALID [2020-07-28 18:58:24,665 INFO L280 TraceCheckUtils]: 12: Hoare triple {6753#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {6753#true} is VALID [2020-07-28 18:58:24,666 INFO L280 TraceCheckUtils]: 13: Hoare triple {6753#true} assume -2147483648 <= test_#t~nondet22 && test_#t~nondet22 <= 2147483647;test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; {6753#true} is VALID [2020-07-28 18:58:24,666 INFO L280 TraceCheckUtils]: 14: Hoare triple {6753#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {6753#true} is VALID [2020-07-28 18:58:24,667 INFO L280 TraceCheckUtils]: 15: Hoare triple {6753#true} assume !(0 != ~pumpRunning~0); {6753#true} is VALID [2020-07-28 18:58:24,667 INFO L280 TraceCheckUtils]: 16: Hoare triple {6753#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {6753#true} is VALID [2020-07-28 18:58:24,667 INFO L280 TraceCheckUtils]: 17: Hoare triple {6753#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {6753#true} is VALID [2020-07-28 18:58:24,668 INFO L280 TraceCheckUtils]: 18: Hoare triple {6753#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret19, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {6753#true} is VALID [2020-07-28 18:58:24,669 INFO L280 TraceCheckUtils]: 19: Hoare triple {6753#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {6757#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} is VALID [2020-07-28 18:58:24,669 INFO L280 TraceCheckUtils]: 20: Hoare triple {6757#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} isHighWaterLevel_#t~ret19 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret19 && isHighWaterLevel_#t~ret19 <= 2147483647;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret19;havoc isHighWaterLevel_#t~ret19; {6758#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2))} is VALID [2020-07-28 18:58:24,670 INFO L280 TraceCheckUtils]: 21: Hoare triple {6758#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2))} assume !(0 != isHighWaterLevel_~tmp~2);isHighWaterLevel_~tmp___0~0 := 1; {6754#false} is VALID [2020-07-28 18:58:24,670 INFO L280 TraceCheckUtils]: 22: Hoare triple {6754#false} isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; {6754#false} is VALID [2020-07-28 18:58:24,671 INFO L280 TraceCheckUtils]: 23: Hoare triple {6754#false} processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret0 && processEnvironment__wrappee__highWaterSensor_#t~ret0 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; {6754#false} is VALID [2020-07-28 18:58:24,671 INFO L280 TraceCheckUtils]: 24: Hoare triple {6754#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;~pumpRunning~0 := 1; {6754#false} is VALID [2020-07-28 18:58:24,671 INFO L280 TraceCheckUtils]: 25: Hoare triple {6754#false} havoc __utac_acc__Specification1_spec__1_#t~ret24, __utac_acc__Specification1_spec__1_#t~ret25, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {6754#false} is VALID [2020-07-28 18:58:24,672 INFO L280 TraceCheckUtils]: 26: Hoare triple {6754#false} __utac_acc__Specification1_spec__1_#t~ret24 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret24 && __utac_acc__Specification1_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret24;havoc __utac_acc__Specification1_spec__1_#t~ret24; {6754#false} is VALID [2020-07-28 18:58:24,672 INFO L280 TraceCheckUtils]: 27: Hoare triple {6754#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {6754#false} is VALID [2020-07-28 18:58:24,672 INFO L280 TraceCheckUtils]: 28: Hoare triple {6754#false} __utac_acc__Specification1_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret25 && __utac_acc__Specification1_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret25;havoc __utac_acc__Specification1_spec__1_#t~ret25; {6754#false} is VALID [2020-07-28 18:58:24,672 INFO L280 TraceCheckUtils]: 29: Hoare triple {6754#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {6754#false} is VALID [2020-07-28 18:58:24,673 INFO L280 TraceCheckUtils]: 30: Hoare triple {6754#false} assume !false; {6754#false} is VALID [2020-07-28 18:58:24,678 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 18:58:24,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119032610] [2020-07-28 18:58:24,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:24,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-28 18:58:24,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651703103] [2020-07-28 18:58:24,680 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-07-28 18:58:24,680 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:24,680 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:58:24,748 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 18:58:24,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:58:24,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:24,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:58:24,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 18:58:24,749 INFO L87 Difference]: Start difference. First operand 168 states and 230 transitions. Second operand 6 states. [2020-07-28 18:58:26,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:26,409 INFO L93 Difference]: Finished difference Result 502 states and 682 transitions. [2020-07-28 18:58:26,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 18:58:26,409 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-07-28 18:58:26,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:26,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:26,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 206 transitions. [2020-07-28 18:58:26,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:26,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 206 transitions. [2020-07-28 18:58:26,413 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 206 transitions. [2020-07-28 18:58:26,634 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 206 edges. 206 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:26,645 INFO L225 Difference]: With dead ends: 502 [2020-07-28 18:58:26,645 INFO L226 Difference]: Without dead ends: 340 [2020-07-28 18:58:26,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-28 18:58:26,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-07-28 18:58:27,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 176. [2020-07-28 18:58:27,011 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:27,011 INFO L82 GeneralOperation]: Start isEquivalent. First operand 340 states. Second operand 176 states. [2020-07-28 18:58:27,011 INFO L74 IsIncluded]: Start isIncluded. First operand 340 states. Second operand 176 states. [2020-07-28 18:58:27,011 INFO L87 Difference]: Start difference. First operand 340 states. Second operand 176 states. [2020-07-28 18:58:27,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:27,019 INFO L93 Difference]: Finished difference Result 340 states and 454 transitions. [2020-07-28 18:58:27,019 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 454 transitions. [2020-07-28 18:58:27,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:27,020 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:27,020 INFO L74 IsIncluded]: Start isIncluded. First operand 176 states. Second operand 340 states. [2020-07-28 18:58:27,020 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 340 states. [2020-07-28 18:58:27,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:27,030 INFO L93 Difference]: Finished difference Result 340 states and 454 transitions. [2020-07-28 18:58:27,030 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 454 transitions. [2020-07-28 18:58:27,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:27,031 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:27,031 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:27,031 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:27,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-07-28 18:58:27,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 238 transitions. [2020-07-28 18:58:27,035 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 238 transitions. Word has length 31 [2020-07-28 18:58:27,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:27,035 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 238 transitions. [2020-07-28 18:58:27,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:58:27,036 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 238 transitions. [2020-07-28 18:58:27,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:27,036 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:27,037 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 18:58:27,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 18:58:27,037 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:27,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:27,037 INFO L82 PathProgramCache]: Analyzing trace with hash -25889680, now seen corresponding path program 1 times [2020-07-28 18:58:27,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:27,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657374820] [2020-07-28 18:58:27,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:27,113 INFO L280 TraceCheckUtils]: 0: Hoare triple {8401#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,114 INFO L280 TraceCheckUtils]: 1: Hoare triple {8403#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret26, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,115 INFO L280 TraceCheckUtils]: 2: Hoare triple {8403#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,115 INFO L280 TraceCheckUtils]: 3: Hoare triple {8403#(= 1 ~waterLevel~0)} main_#t~ret26 := valid_product_#res;assume -2147483648 <= main_#t~ret26 && main_#t~ret26 <= 2147483647;main_~tmp~5 := main_#t~ret26;havoc main_#t~ret26; {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,116 INFO L280 TraceCheckUtils]: 4: Hoare triple {8403#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~5; {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,116 INFO L280 TraceCheckUtils]: 5: Hoare triple {8403#(= 1 ~waterLevel~0)} havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,117 INFO L280 TraceCheckUtils]: 6: Hoare triple {8403#(= 1 ~waterLevel~0)} assume !false; {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,117 INFO L280 TraceCheckUtils]: 7: Hoare triple {8403#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,118 INFO L280 TraceCheckUtils]: 8: Hoare triple {8403#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,120 INFO L280 TraceCheckUtils]: 9: Hoare triple {8403#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~3); {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,121 INFO L280 TraceCheckUtils]: 10: Hoare triple {8403#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,123 INFO L280 TraceCheckUtils]: 11: Hoare triple {8403#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___0~1; {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,123 INFO L280 TraceCheckUtils]: 12: Hoare triple {8403#(= 1 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,131 INFO L280 TraceCheckUtils]: 13: Hoare triple {8403#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet22 && test_#t~nondet22 <= 2147483647;test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,132 INFO L280 TraceCheckUtils]: 14: Hoare triple {8403#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,132 INFO L280 TraceCheckUtils]: 15: Hoare triple {8403#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,133 INFO L280 TraceCheckUtils]: 16: Hoare triple {8403#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,133 INFO L280 TraceCheckUtils]: 17: Hoare triple {8403#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,134 INFO L280 TraceCheckUtils]: 18: Hoare triple {8403#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret19, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; {8403#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:27,135 INFO L280 TraceCheckUtils]: 19: Hoare triple {8403#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~11 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; {8402#false} is VALID [2020-07-28 18:58:27,135 INFO L280 TraceCheckUtils]: 20: Hoare triple {8402#false} isHighWaterLevel_#t~ret19 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret19 && isHighWaterLevel_#t~ret19 <= 2147483647;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret19;havoc isHighWaterLevel_#t~ret19; {8402#false} is VALID [2020-07-28 18:58:27,135 INFO L280 TraceCheckUtils]: 21: Hoare triple {8402#false} assume !(0 != isHighWaterLevel_~tmp~2);isHighWaterLevel_~tmp___0~0 := 1; {8402#false} is VALID [2020-07-28 18:58:27,135 INFO L280 TraceCheckUtils]: 22: Hoare triple {8402#false} isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; {8402#false} is VALID [2020-07-28 18:58:27,136 INFO L280 TraceCheckUtils]: 23: Hoare triple {8402#false} processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret0 && processEnvironment__wrappee__highWaterSensor_#t~ret0 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; {8402#false} is VALID [2020-07-28 18:58:27,136 INFO L280 TraceCheckUtils]: 24: Hoare triple {8402#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;~pumpRunning~0 := 1; {8402#false} is VALID [2020-07-28 18:58:27,136 INFO L280 TraceCheckUtils]: 25: Hoare triple {8402#false} havoc __utac_acc__Specification1_spec__1_#t~ret24, __utac_acc__Specification1_spec__1_#t~ret25, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; {8402#false} is VALID [2020-07-28 18:58:27,136 INFO L280 TraceCheckUtils]: 26: Hoare triple {8402#false} __utac_acc__Specification1_spec__1_#t~ret24 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret24 && __utac_acc__Specification1_spec__1_#t~ret24 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret24;havoc __utac_acc__Specification1_spec__1_#t~ret24; {8402#false} is VALID [2020-07-28 18:58:27,137 INFO L280 TraceCheckUtils]: 27: Hoare triple {8402#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {8402#false} is VALID [2020-07-28 18:58:27,137 INFO L280 TraceCheckUtils]: 28: Hoare triple {8402#false} __utac_acc__Specification1_spec__1_#t~ret25 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret25 && __utac_acc__Specification1_spec__1_#t~ret25 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret25;havoc __utac_acc__Specification1_spec__1_#t~ret25; {8402#false} is VALID [2020-07-28 18:58:27,137 INFO L280 TraceCheckUtils]: 29: Hoare triple {8402#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {8402#false} is VALID [2020-07-28 18:58:27,140 INFO L280 TraceCheckUtils]: 30: Hoare triple {8402#false} assume !false; {8402#false} is VALID [2020-07-28 18:58:27,141 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 18:58:27,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657374820] [2020-07-28 18:58:27,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:27,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:27,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355393016] [2020-07-28 18:58:27,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-07-28 18:58:27,143 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:27,143 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:27,187 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 18:58:27,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:27,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:27,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:27,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:27,188 INFO L87 Difference]: Start difference. First operand 176 states and 238 transitions. Second operand 3 states. [2020-07-28 18:58:28,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:28,022 INFO L93 Difference]: Finished difference Result 434 states and 586 transitions. [2020-07-28 18:58:28,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:28,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-07-28 18:58:28,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:28,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:28,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2020-07-28 18:58:28,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:28,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2020-07-28 18:58:28,026 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 165 transitions. [2020-07-28 18:58:28,252 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 165 edges. 165 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:28,258 INFO L225 Difference]: With dead ends: 434 [2020-07-28 18:58:28,258 INFO L226 Difference]: Without dead ends: 264 [2020-07-28 18:58:28,259 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 18:58:28,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-07-28 18:58:28,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2020-07-28 18:58:28,801 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:28,801 INFO L82 GeneralOperation]: Start isEquivalent. First operand 264 states. Second operand 264 states. [2020-07-28 18:58:28,801 INFO L74 IsIncluded]: Start isIncluded. First operand 264 states. Second operand 264 states. [2020-07-28 18:58:28,801 INFO L87 Difference]: Start difference. First operand 264 states. Second operand 264 states. [2020-07-28 18:58:28,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:28,806 INFO L93 Difference]: Finished difference Result 264 states and 348 transitions. [2020-07-28 18:58:28,806 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 348 transitions. [2020-07-28 18:58:28,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:28,807 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:28,807 INFO L74 IsIncluded]: Start isIncluded. First operand 264 states. Second operand 264 states. [2020-07-28 18:58:28,807 INFO L87 Difference]: Start difference. First operand 264 states. Second operand 264 states. [2020-07-28 18:58:28,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:28,814 INFO L93 Difference]: Finished difference Result 264 states and 348 transitions. [2020-07-28 18:58:28,814 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 348 transitions. [2020-07-28 18:58:28,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:28,815 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:28,815 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:28,815 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:28,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-07-28 18:58:28,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 348 transitions. [2020-07-28 18:58:28,822 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 348 transitions. Word has length 31 [2020-07-28 18:58:28,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:28,822 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 348 transitions. [2020-07-28 18:58:28,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:28,823 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 348 transitions. [2020-07-28 18:58:28,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:58:28,823 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:28,824 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] [2020-07-28 18:58:28,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 18:58:28,824 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:28,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:28,824 INFO L82 PathProgramCache]: Analyzing trace with hash -2138649550, now seen corresponding path program 1 times [2020-07-28 18:58:28,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:28,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062347589] [2020-07-28 18:58:28,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:28,870 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:28,911 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:28,956 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 18:58:28,956 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 18:58:28,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 18:58:29,133 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:58:29,133 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:58:29,133 WARN L170 areAnnotationChecker]: L473 has no Hoare annotation [2020-07-28 18:58:29,133 WARN L170 areAnnotationChecker]: L481 has no Hoare annotation [2020-07-28 18:58:29,133 WARN L170 areAnnotationChecker]: L437 has no Hoare annotation [2020-07-28 18:58:29,134 WARN L170 areAnnotationChecker]: L437 has no Hoare annotation [2020-07-28 18:58:29,134 WARN L170 areAnnotationChecker]: L411 has no Hoare annotation [2020-07-28 18:58:29,134 WARN L170 areAnnotationChecker]: L437-1 has no Hoare annotation [2020-07-28 18:58:29,134 WARN L170 areAnnotationChecker]: L334-1 has no Hoare annotation [2020-07-28 18:58:29,134 WARN L170 areAnnotationChecker]: L334-1 has no Hoare annotation [2020-07-28 18:58:29,134 WARN L170 areAnnotationChecker]: L334-1 has no Hoare annotation [2020-07-28 18:58:29,134 WARN L170 areAnnotationChecker]: L446 has no Hoare annotation [2020-07-28 18:58:29,134 WARN L170 areAnnotationChecker]: L316 has no Hoare annotation [2020-07-28 18:58:29,134 WARN L170 areAnnotationChecker]: L267 has no Hoare annotation [2020-07-28 18:58:29,135 WARN L170 areAnnotationChecker]: L267 has no Hoare annotation [2020-07-28 18:58:29,135 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:58:29,135 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 18:58:29,135 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 18:58:29,135 WARN L170 areAnnotationChecker]: L268 has no Hoare annotation [2020-07-28 18:58:29,135 WARN L170 areAnnotationChecker]: L868-3 has no Hoare annotation [2020-07-28 18:58:29,135 WARN L170 areAnnotationChecker]: L868-3 has no Hoare annotation [2020-07-28 18:58:29,135 WARN L170 areAnnotationChecker]: L59-2 has no Hoare annotation [2020-07-28 18:58:29,135 WARN L170 areAnnotationChecker]: L59-2 has no Hoare annotation [2020-07-28 18:58:29,135 WARN L170 areAnnotationChecker]: L276 has no Hoare annotation [2020-07-28 18:58:29,136 WARN L170 areAnnotationChecker]: L276 has no Hoare annotation [2020-07-28 18:58:29,136 WARN L170 areAnnotationChecker]: L117-1 has no Hoare annotation [2020-07-28 18:58:29,136 WARN L170 areAnnotationChecker]: L117-1 has no Hoare annotation [2020-07-28 18:58:29,136 WARN L170 areAnnotationChecker]: L66-1 has no Hoare annotation [2020-07-28 18:58:29,137 WARN L170 areAnnotationChecker]: L880 has no Hoare annotation [2020-07-28 18:58:29,137 WARN L170 areAnnotationChecker]: L880 has no Hoare annotation [2020-07-28 18:58:29,137 WARN L170 areAnnotationChecker]: L276-1 has no Hoare annotation [2020-07-28 18:58:29,137 WARN L170 areAnnotationChecker]: L905-2 has no Hoare annotation [2020-07-28 18:58:29,137 WARN L170 areAnnotationChecker]: L91-3 has no Hoare annotation [2020-07-28 18:58:29,137 WARN L170 areAnnotationChecker]: L91-3 has no Hoare annotation [2020-07-28 18:58:29,137 WARN L170 areAnnotationChecker]: L905-3 has no Hoare annotation [2020-07-28 18:58:29,137 WARN L170 areAnnotationChecker]: L286 has no Hoare annotation [2020-07-28 18:58:29,137 WARN L170 areAnnotationChecker]: L286 has no Hoare annotation [2020-07-28 18:58:29,138 WARN L170 areAnnotationChecker]: L161-1 has no Hoare annotation [2020-07-28 18:58:29,138 WARN L170 areAnnotationChecker]: L945-3 has no Hoare annotation [2020-07-28 18:58:29,138 WARN L170 areAnnotationChecker]: L945-3 has no Hoare annotation [2020-07-28 18:58:29,138 WARN L170 areAnnotationChecker]: L334-2 has no Hoare annotation [2020-07-28 18:58:29,138 WARN L170 areAnnotationChecker]: L334-2 has no Hoare annotation [2020-07-28 18:58:29,138 WARN L170 areAnnotationChecker]: L892 has no Hoare annotation [2020-07-28 18:58:29,138 WARN L170 areAnnotationChecker]: L892 has no Hoare annotation [2020-07-28 18:58:29,138 WARN L170 areAnnotationChecker]: L286-1 has no Hoare annotation [2020-07-28 18:58:29,138 WARN L170 areAnnotationChecker]: L121-1 has no Hoare annotation [2020-07-28 18:58:29,138 WARN L170 areAnnotationChecker]: L121-1 has no Hoare annotation [2020-07-28 18:58:29,139 WARN L170 areAnnotationChecker]: L950-3 has no Hoare annotation [2020-07-28 18:58:29,139 WARN L170 areAnnotationChecker]: L170-1 has no Hoare annotation [2020-07-28 18:58:29,139 WARN L170 areAnnotationChecker]: L334-3 has no Hoare annotation [2020-07-28 18:58:29,139 WARN L170 areAnnotationChecker]: L296 has no Hoare annotation [2020-07-28 18:58:29,139 WARN L170 areAnnotationChecker]: L296 has no Hoare annotation [2020-07-28 18:58:29,139 WARN L170 areAnnotationChecker]: L91-2 has no Hoare annotation [2020-07-28 18:58:29,139 WARN L170 areAnnotationChecker]: L91-2 has no Hoare annotation [2020-07-28 18:58:29,139 WARN L170 areAnnotationChecker]: L219-9 has no Hoare annotation [2020-07-28 18:58:29,139 WARN L170 areAnnotationChecker]: L219-9 has no Hoare annotation [2020-07-28 18:58:29,139 WARN L170 areAnnotationChecker]: L338-2 has no Hoare annotation [2020-07-28 18:58:29,140 WARN L170 areAnnotationChecker]: L338-2 has no Hoare annotation [2020-07-28 18:58:29,140 WARN L170 areAnnotationChecker]: L363-2 has no Hoare annotation [2020-07-28 18:58:29,140 WARN L170 areAnnotationChecker]: L363-2 has no Hoare annotation [2020-07-28 18:58:29,140 WARN L170 areAnnotationChecker]: L363-2 has no Hoare annotation [2020-07-28 18:58:29,140 WARN L170 areAnnotationChecker]: L304-1 has no Hoare annotation [2020-07-28 18:58:29,140 WARN L170 areAnnotationChecker]: L304-1 has no Hoare annotation [2020-07-28 18:58:29,140 WARN L170 areAnnotationChecker]: L304 has no Hoare annotation [2020-07-28 18:58:29,140 WARN L170 areAnnotationChecker]: L304 has no Hoare annotation [2020-07-28 18:58:29,140 WARN L170 areAnnotationChecker]: L945-2 has no Hoare annotation [2020-07-28 18:58:29,140 WARN L170 areAnnotationChecker]: L945-2 has no Hoare annotation [2020-07-28 18:58:29,141 WARN L170 areAnnotationChecker]: L219-11 has no Hoare annotation [2020-07-28 18:58:29,141 WARN L170 areAnnotationChecker]: L490-1 has no Hoare annotation [2020-07-28 18:58:29,141 WARN L170 areAnnotationChecker]: L490-1 has no Hoare annotation [2020-07-28 18:58:29,141 WARN L170 areAnnotationChecker]: L364 has no Hoare annotation [2020-07-28 18:58:29,141 WARN L170 areAnnotationChecker]: L868 has no Hoare annotation [2020-07-28 18:58:29,141 WARN L170 areAnnotationChecker]: L868 has no Hoare annotation [2020-07-28 18:58:29,141 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-28 18:58:29,141 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-28 18:58:29,141 WARN L170 areAnnotationChecker]: L233 has no Hoare annotation [2020-07-28 18:58:29,142 WARN L170 areAnnotationChecker]: L233 has no Hoare annotation [2020-07-28 18:58:29,142 WARN L170 areAnnotationChecker]: L950-2 has no Hoare annotation [2020-07-28 18:58:29,142 WARN L170 areAnnotationChecker]: L225-3 has no Hoare annotation [2020-07-28 18:58:29,142 WARN L170 areAnnotationChecker]: L367 has no Hoare annotation [2020-07-28 18:58:29,142 WARN L170 areAnnotationChecker]: L367 has no Hoare annotation [2020-07-28 18:58:29,142 WARN L170 areAnnotationChecker]: L117 has no Hoare annotation [2020-07-28 18:58:29,142 WARN L170 areAnnotationChecker]: L117 has no Hoare annotation [2020-07-28 18:58:29,142 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-28 18:58:29,142 WARN L170 areAnnotationChecker]: L233-1 has no Hoare annotation [2020-07-28 18:58:29,142 WARN L170 areAnnotationChecker]: L219-6 has no Hoare annotation [2020-07-28 18:58:29,143 WARN L170 areAnnotationChecker]: L219-6 has no Hoare annotation [2020-07-28 18:58:29,143 WARN L170 areAnnotationChecker]: L95-3 has no Hoare annotation [2020-07-28 18:58:29,143 WARN L170 areAnnotationChecker]: L95-3 has no Hoare annotation [2020-07-28 18:58:29,143 WARN L170 areAnnotationChecker]: L367-1 has no Hoare annotation [2020-07-28 18:58:29,143 WARN L170 areAnnotationChecker]: L367-1 has no Hoare annotation [2020-07-28 18:58:29,143 WARN L170 areAnnotationChecker]: L905 has no Hoare annotation [2020-07-28 18:58:29,143 WARN L170 areAnnotationChecker]: L91-1 has no Hoare annotation [2020-07-28 18:58:29,143 WARN L170 areAnnotationChecker]: L91-1 has no Hoare annotation [2020-07-28 18:58:29,143 WARN L170 areAnnotationChecker]: L905-1 has no Hoare annotation [2020-07-28 18:58:29,144 WARN L170 areAnnotationChecker]: L219-8 has no Hoare annotation [2020-07-28 18:58:29,144 WARN L170 areAnnotationChecker]: L868-6 has no Hoare annotation [2020-07-28 18:58:29,144 WARN L170 areAnnotationChecker]: L868-6 has no Hoare annotation [2020-07-28 18:58:29,144 WARN L170 areAnnotationChecker]: L59-3 has no Hoare annotation [2020-07-28 18:58:29,144 WARN L170 areAnnotationChecker]: L59-3 has no Hoare annotation [2020-07-28 18:58:29,144 WARN L170 areAnnotationChecker]: L161 has no Hoare annotation [2020-07-28 18:58:29,144 WARN L170 areAnnotationChecker]: L945-1 has no Hoare annotation [2020-07-28 18:58:29,144 WARN L170 areAnnotationChecker]: L945-1 has no Hoare annotation [2020-07-28 18:58:29,144 WARN L170 areAnnotationChecker]: L334 has no Hoare annotation [2020-07-28 18:58:29,144 WARN L170 areAnnotationChecker]: L334 has no Hoare annotation [2020-07-28 18:58:29,145 WARN L170 areAnnotationChecker]: L225-2 has no Hoare annotation [2020-07-28 18:58:29,145 WARN L170 areAnnotationChecker]: L117-2 has no Hoare annotation [2020-07-28 18:58:29,145 WARN L170 areAnnotationChecker]: L117-2 has no Hoare annotation [2020-07-28 18:58:29,145 WARN L170 areAnnotationChecker]: L66-2 has no Hoare annotation [2020-07-28 18:58:29,145 WARN L170 areAnnotationChecker]: L121 has no Hoare annotation [2020-07-28 18:58:29,145 WARN L170 areAnnotationChecker]: L121 has no Hoare annotation [2020-07-28 18:58:29,145 WARN L170 areAnnotationChecker]: L950-1 has no Hoare annotation [2020-07-28 18:58:29,145 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-28 18:58:29,145 WARN L170 areAnnotationChecker]: L95-2 has no Hoare annotation [2020-07-28 18:58:29,145 WARN L170 areAnnotationChecker]: L95-2 has no Hoare annotation [2020-07-28 18:58:29,146 WARN L170 areAnnotationChecker]: L905-4 has no Hoare annotation [2020-07-28 18:58:29,146 WARN L170 areAnnotationChecker]: L91-5 has no Hoare annotation [2020-07-28 18:58:29,146 WARN L170 areAnnotationChecker]: L91-5 has no Hoare annotation [2020-07-28 18:58:29,146 WARN L170 areAnnotationChecker]: L905-5 has no Hoare annotation [2020-07-28 18:58:29,146 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-28 18:58:29,146 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-28 18:58:29,146 WARN L170 areAnnotationChecker]: L219-3 has no Hoare annotation [2020-07-28 18:58:29,146 WARN L170 areAnnotationChecker]: L219-3 has no Hoare annotation [2020-07-28 18:58:29,146 WARN L170 areAnnotationChecker]: L338 has no Hoare annotation [2020-07-28 18:58:29,146 WARN L170 areAnnotationChecker]: L338 has no Hoare annotation [2020-07-28 18:58:29,147 WARN L170 areAnnotationChecker]: L161-2 has no Hoare annotation [2020-07-28 18:58:29,147 WARN L170 areAnnotationChecker]: L945-5 has no Hoare annotation [2020-07-28 18:58:29,147 WARN L170 areAnnotationChecker]: L945-5 has no Hoare annotation [2020-07-28 18:58:29,147 WARN L170 areAnnotationChecker]: L334-4 has no Hoare annotation [2020-07-28 18:58:29,147 WARN L170 areAnnotationChecker]: L334-4 has no Hoare annotation [2020-07-28 18:58:29,147 WARN L170 areAnnotationChecker]: L945 has no Hoare annotation [2020-07-28 18:58:29,147 WARN L170 areAnnotationChecker]: L945 has no Hoare annotation [2020-07-28 18:58:29,147 WARN L170 areAnnotationChecker]: L219-5 has no Hoare annotation [2020-07-28 18:58:29,147 WARN L170 areAnnotationChecker]: L490 has no Hoare annotation [2020-07-28 18:58:29,148 WARN L170 areAnnotationChecker]: L490 has no Hoare annotation [2020-07-28 18:58:29,148 WARN L170 areAnnotationChecker]: L121-2 has no Hoare annotation [2020-07-28 18:58:29,148 WARN L170 areAnnotationChecker]: L121-2 has no Hoare annotation [2020-07-28 18:58:29,148 WARN L170 areAnnotationChecker]: L950-5 has no Hoare annotation [2020-07-28 18:58:29,148 WARN L170 areAnnotationChecker]: L170-2 has no Hoare annotation [2020-07-28 18:58:29,148 WARN L170 areAnnotationChecker]: L334-5 has no Hoare annotation [2020-07-28 18:58:29,148 WARN L170 areAnnotationChecker]: L950 has no Hoare annotation [2020-07-28 18:58:29,148 WARN L170 areAnnotationChecker]: L225-1 has no Hoare annotation [2020-07-28 18:58:29,148 WARN L170 areAnnotationChecker]: L91-4 has no Hoare annotation [2020-07-28 18:58:29,149 WARN L170 areAnnotationChecker]: L91-4 has no Hoare annotation [2020-07-28 18:58:29,149 WARN L170 areAnnotationChecker]: L219-15 has no Hoare annotation [2020-07-28 18:58:29,149 WARN L170 areAnnotationChecker]: L219-15 has no Hoare annotation [2020-07-28 18:58:29,149 WARN L170 areAnnotationChecker]: L338-4 has no Hoare annotation [2020-07-28 18:58:29,149 WARN L170 areAnnotationChecker]: L338-4 has no Hoare annotation [2020-07-28 18:58:29,149 WARN L170 areAnnotationChecker]: L219 has no Hoare annotation [2020-07-28 18:58:29,149 WARN L170 areAnnotationChecker]: L219 has no Hoare annotation [2020-07-28 18:58:29,149 WARN L170 areAnnotationChecker]: L95-1 has no Hoare annotation [2020-07-28 18:58:29,149 WARN L170 areAnnotationChecker]: L95-1 has no Hoare annotation [2020-07-28 18:58:29,149 WARN L170 areAnnotationChecker]: L945-4 has no Hoare annotation [2020-07-28 18:58:29,150 WARN L170 areAnnotationChecker]: L945-4 has no Hoare annotation [2020-07-28 18:58:29,150 WARN L170 areAnnotationChecker]: L219-17 has no Hoare annotation [2020-07-28 18:58:29,150 WARN L170 areAnnotationChecker]: L490-2 has no Hoare annotation [2020-07-28 18:58:29,150 WARN L170 areAnnotationChecker]: L490-2 has no Hoare annotation [2020-07-28 18:58:29,150 WARN L170 areAnnotationChecker]: L219-2 has no Hoare annotation [2020-07-28 18:58:29,150 WARN L170 areAnnotationChecker]: L950-4 has no Hoare annotation [2020-07-28 18:58:29,150 WARN L170 areAnnotationChecker]: L225-5 has no Hoare annotation [2020-07-28 18:58:29,150 WARN L170 areAnnotationChecker]: L225 has no Hoare annotation [2020-07-28 18:58:29,150 WARN L170 areAnnotationChecker]: L219-12 has no Hoare annotation [2020-07-28 18:58:29,150 WARN L170 areAnnotationChecker]: L219-12 has no Hoare annotation [2020-07-28 18:58:29,151 WARN L170 areAnnotationChecker]: L95-5 has no Hoare annotation [2020-07-28 18:58:29,151 WARN L170 areAnnotationChecker]: L95-5 has no Hoare annotation [2020-07-28 18:58:29,151 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-28 18:58:29,151 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-28 18:58:29,151 WARN L170 areAnnotationChecker]: L219-14 has no Hoare annotation [2020-07-28 18:58:29,151 WARN L170 areAnnotationChecker]: L225-4 has no Hoare annotation [2020-07-28 18:58:29,151 WARN L170 areAnnotationChecker]: L95-4 has no Hoare annotation [2020-07-28 18:58:29,151 WARN L170 areAnnotationChecker]: L95-4 has no Hoare annotation [2020-07-28 18:58:29,151 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:58:29,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:58:29 BoogieIcfgContainer [2020-07-28 18:58:29,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:58:29,155 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:58:29,155 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:58:29,156 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:58:29,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:14" (3/4) ... [2020-07-28 18:58:29,159 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 18:58:29,343 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:58:29,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:58:29,347 INFO L168 Benchmark]: Toolchain (without parser) took 17757.38 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 390.6 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -186.4 MB). Peak memory consumption was 204.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:29,347 INFO L168 Benchmark]: CDTParser took 0.20 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 18:58:29,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:29,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.42 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 18:58:29,348 INFO L168 Benchmark]: Boogie Preprocessor took 47.78 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:29,348 INFO L168 Benchmark]: RCFGBuilder took 1698.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 942.3 MB in the end (delta: 163.9 MB). Peak memory consumption was 163.9 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:29,349 INFO L168 Benchmark]: TraceAbstraction took 15023.00 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 245.9 MB). Free memory was 942.3 MB in the beginning and 1.2 GB in the end (delta: -226.4 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:29,349 INFO L168 Benchmark]: Witness Printer took 188.35 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:29,351 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 679.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 109.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.78 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1698.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 942.3 MB in the end (delta: 163.9 MB). Peak memory consumption was 163.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15023.00 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 245.9 MB). Free memory was 942.3 MB in the beginning and 1.2 GB in the end (delta: -226.4 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Witness Printer took 188.35 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 490]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L51] int pumpRunning = 0; [L52] int systemActive = 1; [L352] int cleanupTimeShifts = 4; [L664] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L862] int waterLevel = 1; [L863] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L428] int retValue_acc ; [L429] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L477] int retValue_acc ; [L480] retValue_acc = 1 [L481] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L435] tmp = valid_product() [L437] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L257] int splverifierCounter ; [L258] int tmp ; [L259] int tmp___0 ; [L260] int tmp___1 ; [L261] int tmp___2 ; [L264] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L266] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L268] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L274] tmp = __VERIFIER_nondet_int() [L276] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L880] COND TRUE waterLevel < 2 [L881] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L284] tmp___0 = __VERIFIER_nondet_int() [L286] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L892] COND FALSE !(\read(methaneLevelCritical)) [L895] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L294] tmp___2 = __VERIFIER_nondet_int() [L296] COND TRUE \read(tmp___2) [L248] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L59] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L66] COND TRUE \read(systemActive) [L114] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L117] COND FALSE !(\read(pumpRunning)) [L88] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L91] COND TRUE ! pumpRunning [L211] int retValue_acc ; [L212] int tmp ; [L213] int tmp___0 ; [L942] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L945] COND FALSE !(waterLevel < 2) [L949] retValue_acc = 0 [L950] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L217] tmp = isHighWaterSensorDry() [L219] COND FALSE !(\read(tmp)) [L222] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L224] retValue_acc = tmp___0 [L225] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L93] tmp = isHighWaterLevel() [L95] COND TRUE \read(tmp) [L142] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L327] int tmp ; [L328] int tmp___0 ; [L901] int retValue_acc ; [L904] retValue_acc = methaneLevelCritical [L905] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L332] tmp = isMethaneLevelCritical() [L334] COND TRUE \read(tmp) [L166] int retValue_acc ; [L169] retValue_acc = pumpRunning [L170] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L336] tmp___0 = isPumpRunning() [L338] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L490] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.7s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 829 SDtfs, 1296 SDslu, 1083 SDs, 0 SdLazy, 160 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=264occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 776 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 10236 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...