./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product12.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_spec3_product12.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 a45474bbddd00a02338fe4b16e46d3dadff1b340 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:01:14,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:14,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:14,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:14,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:14,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:14,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:14,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:14,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:14,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:14,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:14,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:14,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:14,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:14,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:14,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:14,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:14,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:14,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:14,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:14,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:14,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:14,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:14,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:14,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:14,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:14,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:14,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:14,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:14,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:14,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:14,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:14,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:14,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:14,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:14,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:14,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:14,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:14,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:14,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:14,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:14,186 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:14,214 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:14,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:14,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:14,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:14,216 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:14,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:14,217 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:14,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:14,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:14,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:14,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:14,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:14,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:14,218 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:14,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:14,218 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:14,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:14,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:14,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:14,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:14,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:14,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:14,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:14,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:14,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:14,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:14,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:14,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:14,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:14,222 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 -> a45474bbddd00a02338fe4b16e46d3dadff1b340 [2020-07-28 19:01:14,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:14,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:14,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:14,543 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:14,543 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:14,544 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c [2020-07-28 19:01:14,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c359ddf2/d120f55824494f1ebba53e098256af17/FLAG92a34f3f8 [2020-07-28 19:01:15,235 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:15,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c [2020-07-28 19:01:15,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c359ddf2/d120f55824494f1ebba53e098256af17/FLAG92a34f3f8 [2020-07-28 19:01:15,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c359ddf2/d120f55824494f1ebba53e098256af17 [2020-07-28 19:01:15,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:15,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:15,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:15,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:15,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:15,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:15" (1/1) ... [2020-07-28 19:01:15,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16978a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:15, skipping insertion in model container [2020-07-28 19:01:15,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:15" (1/1) ... [2020-07-28 19:01:15,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:15,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:16,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:16,038 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:16,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:16,170 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:16,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16 WrapperNode [2020-07-28 19:01:16,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:16,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:16,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:16,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:16,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... [2020-07-28 19:01:16,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... [2020-07-28 19:01:16,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:16,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:16,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:16,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:16,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... [2020-07-28 19:01:16,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... [2020-07-28 19:01:16,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... [2020-07-28 19:01:16,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... [2020-07-28 19:01:16,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... [2020-07-28 19:01:16,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... [2020-07-28 19:01:16,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... [2020-07-28 19:01:16,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:16,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:16,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:16,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:16,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:16,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:16,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:16,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:16,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:17,655 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:17,655 INFO L295 CfgBuilder]: Removed 78 assume(true) statements. [2020-07-28 19:01:17,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:17 BoogieIcfgContainer [2020-07-28 19:01:17,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:17,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:17,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:17,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:17,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:15" (1/3) ... [2020-07-28 19:01:17,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24351c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:17, skipping insertion in model container [2020-07-28 19:01:17,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:16" (2/3) ... [2020-07-28 19:01:17,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24351c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:17, skipping insertion in model container [2020-07-28 19:01:17,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:17" (3/3) ... [2020-07-28 19:01:17,669 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product12.cil.c [2020-07-28 19:01:17,679 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:17,687 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:17,702 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:17,727 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:17,728 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:17,728 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:17,728 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:17,728 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:17,728 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:17,729 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:17,729 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:17,747 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2020-07-28 19:01:17,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:17,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:17,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:17,755 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:17,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:17,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1390476085, now seen corresponding path program 1 times [2020-07-28 19:01:17,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:17,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536831195] [2020-07-28 19:01:17,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:18,141 INFO L280 TraceCheckUtils]: 0: Hoare triple {68#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {68#true} is VALID [2020-07-28 19:01:18,142 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {68#true} is VALID [2020-07-28 19:01:18,142 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#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; {68#true} is VALID [2020-07-28 19:01:18,143 INFO L280 TraceCheckUtils]: 3: Hoare triple {68#true} main_#t~ret71 := valid_product_#res;assume -2147483648 <= main_#t~ret71 && main_#t~ret71 <= 2147483647;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; {68#true} is VALID [2020-07-28 19:01:18,143 INFO L280 TraceCheckUtils]: 4: Hoare triple {68#true} assume 0 != main_~tmp~6; {68#true} is VALID [2020-07-28 19:01:18,144 INFO L280 TraceCheckUtils]: 5: Hoare triple {68#true} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {68#true} is VALID [2020-07-28 19:01:18,145 INFO L280 TraceCheckUtils]: 6: Hoare triple {68#true} assume !true; {69#false} is VALID [2020-07-28 19:01:18,145 INFO L280 TraceCheckUtils]: 7: Hoare triple {69#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {69#false} is VALID [2020-07-28 19:01:18,146 INFO L280 TraceCheckUtils]: 8: Hoare triple {69#false} assume !(0 != ~pumpRunning~0); {69#false} is VALID [2020-07-28 19:01:18,146 INFO L280 TraceCheckUtils]: 9: Hoare triple {69#false} assume 0 != ~systemActive~0; {69#false} is VALID [2020-07-28 19:01:18,146 INFO L280 TraceCheckUtils]: 10: Hoare triple {69#false} havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {69#false} is VALID [2020-07-28 19:01:18,147 INFO L280 TraceCheckUtils]: 11: Hoare triple {69#false} __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret0 && __utac_acc__Specification3_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; {69#false} is VALID [2020-07-28 19:01:18,147 INFO L280 TraceCheckUtils]: 12: Hoare triple {69#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {69#false} is VALID [2020-07-28 19:01:18,148 INFO L280 TraceCheckUtils]: 13: Hoare triple {69#false} __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {69#false} is VALID [2020-07-28 19:01:18,148 INFO L280 TraceCheckUtils]: 14: Hoare triple {69#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;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; {69#false} is VALID [2020-07-28 19:01:18,148 INFO L280 TraceCheckUtils]: 15: Hoare triple {69#false} __utac_acc__Specification3_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {69#false} is VALID [2020-07-28 19:01:18,149 INFO L280 TraceCheckUtils]: 16: Hoare triple {69#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {69#false} is VALID [2020-07-28 19:01:18,149 INFO L280 TraceCheckUtils]: 17: Hoare triple {69#false} assume !false; {69#false} is VALID [2020-07-28 19:01:18,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:18,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536831195] [2020-07-28 19:01:18,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:18,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:18,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778912683] [2020-07-28 19:01:18,163 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:18,165 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:18,169 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:18,213 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:18,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:18,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:18,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:18,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:18,226 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2020-07-28 19:01:18,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:18,465 INFO L93 Difference]: Finished difference Result 124 states and 185 transitions. [2020-07-28 19:01:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:18,466 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:18,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:18,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 185 transitions. [2020-07-28 19:01:18,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:18,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 185 transitions. [2020-07-28 19:01:18,486 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 185 transitions. [2020-07-28 19:01:18,736 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 185 edges. 185 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:18,750 INFO L225 Difference]: With dead ends: 124 [2020-07-28 19:01:18,751 INFO L226 Difference]: Without dead ends: 61 [2020-07-28 19:01:18,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:18,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-07-28 19:01:18,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2020-07-28 19:01:18,809 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:18,809 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand 61 states. [2020-07-28 19:01:18,810 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2020-07-28 19:01:18,810 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2020-07-28 19:01:18,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:18,817 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2020-07-28 19:01:18,817 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2020-07-28 19:01:18,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:18,818 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:18,819 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states. [2020-07-28 19:01:18,819 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states. [2020-07-28 19:01:18,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:18,826 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2020-07-28 19:01:18,826 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2020-07-28 19:01:18,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:18,827 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:18,828 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:18,828 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:18,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-28 19:01:18,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 84 transitions. [2020-07-28 19:01:18,835 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 84 transitions. Word has length 18 [2020-07-28 19:01:18,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:18,836 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 84 transitions. [2020-07-28 19:01:18,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:18,836 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2020-07-28 19:01:18,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:18,838 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:18,838 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:18,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:18,839 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:18,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:18,839 INFO L82 PathProgramCache]: Analyzing trace with hash -963834589, now seen corresponding path program 1 times [2020-07-28 19:01:18,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:18,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195116226] [2020-07-28 19:01:18,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:18,994 INFO L280 TraceCheckUtils]: 0: Hoare triple {461#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {461#true} is VALID [2020-07-28 19:01:18,994 INFO L280 TraceCheckUtils]: 1: Hoare triple {461#true} havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {461#true} is VALID [2020-07-28 19:01:18,995 INFO L280 TraceCheckUtils]: 2: Hoare triple {461#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; {461#true} is VALID [2020-07-28 19:01:18,995 INFO L280 TraceCheckUtils]: 3: Hoare triple {461#true} main_#t~ret71 := valid_product_#res;assume -2147483648 <= main_#t~ret71 && main_#t~ret71 <= 2147483647;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; {461#true} is VALID [2020-07-28 19:01:18,995 INFO L280 TraceCheckUtils]: 4: Hoare triple {461#true} assume 0 != main_~tmp~6; {461#true} is VALID [2020-07-28 19:01:18,998 INFO L280 TraceCheckUtils]: 5: Hoare triple {461#true} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {463#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:18,999 INFO L280 TraceCheckUtils]: 6: Hoare triple {463#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {463#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:19,000 INFO L280 TraceCheckUtils]: 7: Hoare triple {463#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {462#false} is VALID [2020-07-28 19:01:19,000 INFO L280 TraceCheckUtils]: 8: Hoare triple {462#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {462#false} is VALID [2020-07-28 19:01:19,001 INFO L280 TraceCheckUtils]: 9: Hoare triple {462#false} assume !(0 != ~pumpRunning~0); {462#false} is VALID [2020-07-28 19:01:19,001 INFO L280 TraceCheckUtils]: 10: Hoare triple {462#false} assume 0 != ~systemActive~0; {462#false} is VALID [2020-07-28 19:01:19,002 INFO L280 TraceCheckUtils]: 11: Hoare triple {462#false} havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {462#false} is VALID [2020-07-28 19:01:19,002 INFO L280 TraceCheckUtils]: 12: Hoare triple {462#false} __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret0 && __utac_acc__Specification3_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; {462#false} is VALID [2020-07-28 19:01:19,003 INFO L280 TraceCheckUtils]: 13: Hoare triple {462#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {462#false} is VALID [2020-07-28 19:01:19,003 INFO L280 TraceCheckUtils]: 14: Hoare triple {462#false} __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {462#false} is VALID [2020-07-28 19:01:19,003 INFO L280 TraceCheckUtils]: 15: Hoare triple {462#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;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; {462#false} is VALID [2020-07-28 19:01:19,004 INFO L280 TraceCheckUtils]: 16: Hoare triple {462#false} __utac_acc__Specification3_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {462#false} is VALID [2020-07-28 19:01:19,004 INFO L280 TraceCheckUtils]: 17: Hoare triple {462#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {462#false} is VALID [2020-07-28 19:01:19,004 INFO L280 TraceCheckUtils]: 18: Hoare triple {462#false} assume !false; {462#false} is VALID [2020-07-28 19:01:19,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:19,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195116226] [2020-07-28 19:01:19,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:19,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:19,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501929772] [2020-07-28 19:01:19,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:19,011 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:19,011 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:19,051 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:19,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:19,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:19,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:19,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:19,052 INFO L87 Difference]: Start difference. First operand 61 states and 84 transitions. Second operand 3 states. [2020-07-28 19:01:19,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:19,260 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2020-07-28 19:01:19,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:19,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:19,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:19,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:19,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2020-07-28 19:01:19,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:19,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2020-07-28 19:01:19,266 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 84 transitions. [2020-07-28 19:01:19,371 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:19,373 INFO L225 Difference]: With dead ends: 61 [2020-07-28 19:01:19,373 INFO L226 Difference]: Without dead ends: 31 [2020-07-28 19:01:19,375 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:19,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-28 19:01:19,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-28 19:01:19,396 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:19,396 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2020-07-28 19:01:19,397 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 19:01:19,397 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 19:01:19,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:19,400 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-07-28 19:01:19,400 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 19:01:19,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:19,401 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:19,401 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-28 19:01:19,401 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-28 19:01:19,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:19,404 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-07-28 19:01:19,405 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 19:01:19,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:19,405 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:19,406 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:19,406 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:19,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-28 19:01:19,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-07-28 19:01:19,409 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2020-07-28 19:01:19,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:19,409 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-07-28 19:01:19,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:19,410 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-07-28 19:01:19,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:19,411 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:19,411 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:19,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:19,412 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:19,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:19,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1411810197, now seen corresponding path program 1 times [2020-07-28 19:01:19,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:19,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755281380] [2020-07-28 19:01:19,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:19,500 INFO L280 TraceCheckUtils]: 0: Hoare triple {660#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {660#true} is VALID [2020-07-28 19:01:19,501 INFO L280 TraceCheckUtils]: 1: Hoare triple {660#true} havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {660#true} is VALID [2020-07-28 19:01:19,501 INFO L280 TraceCheckUtils]: 2: Hoare triple {660#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; {660#true} is VALID [2020-07-28 19:01:19,502 INFO L280 TraceCheckUtils]: 3: Hoare triple {660#true} main_#t~ret71 := valid_product_#res;assume -2147483648 <= main_#t~ret71 && main_#t~ret71 <= 2147483647;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; {660#true} is VALID [2020-07-28 19:01:19,502 INFO L280 TraceCheckUtils]: 4: Hoare triple {660#true} assume 0 != main_~tmp~6; {660#true} is VALID [2020-07-28 19:01:19,502 INFO L280 TraceCheckUtils]: 5: Hoare triple {660#true} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {660#true} is VALID [2020-07-28 19:01:19,503 INFO L280 TraceCheckUtils]: 6: Hoare triple {660#true} assume !false; {660#true} is VALID [2020-07-28 19:01:19,503 INFO L280 TraceCheckUtils]: 7: Hoare triple {660#true} assume test_~splverifierCounter~0 < 4; {660#true} is VALID [2020-07-28 19:01:19,503 INFO L280 TraceCheckUtils]: 8: Hoare triple {660#true} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {660#true} is VALID [2020-07-28 19:01:19,504 INFO L280 TraceCheckUtils]: 9: Hoare triple {660#true} assume !(0 != test_~tmp~1); {660#true} is VALID [2020-07-28 19:01:19,504 INFO L280 TraceCheckUtils]: 10: Hoare triple {660#true} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {660#true} is VALID [2020-07-28 19:01:19,505 INFO L280 TraceCheckUtils]: 11: Hoare triple {660#true} assume !(0 != test_~tmp___0~1); {660#true} is VALID [2020-07-28 19:01:19,505 INFO L280 TraceCheckUtils]: 12: Hoare triple {660#true} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {660#true} is VALID [2020-07-28 19:01:19,506 INFO L280 TraceCheckUtils]: 13: Hoare triple {660#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:19,507 INFO L280 TraceCheckUtils]: 14: Hoare triple {662#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {662#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:19,508 INFO L280 TraceCheckUtils]: 15: Hoare triple {662#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {661#false} is VALID [2020-07-28 19:01:19,509 INFO L280 TraceCheckUtils]: 16: Hoare triple {661#false} havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {661#false} is VALID [2020-07-28 19:01:19,509 INFO L280 TraceCheckUtils]: 17: Hoare triple {661#false} __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret0 && __utac_acc__Specification3_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; {661#false} is VALID [2020-07-28 19:01:19,509 INFO L280 TraceCheckUtils]: 18: Hoare triple {661#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {661#false} is VALID [2020-07-28 19:01:19,510 INFO L280 TraceCheckUtils]: 19: Hoare triple {661#false} __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {661#false} is VALID [2020-07-28 19:01:19,510 INFO L280 TraceCheckUtils]: 20: Hoare triple {661#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;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; {661#false} is VALID [2020-07-28 19:01:19,511 INFO L280 TraceCheckUtils]: 21: Hoare triple {661#false} __utac_acc__Specification3_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {661#false} is VALID [2020-07-28 19:01:19,511 INFO L280 TraceCheckUtils]: 22: Hoare triple {661#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {661#false} is VALID [2020-07-28 19:01:19,512 INFO L280 TraceCheckUtils]: 23: Hoare triple {661#false} assume !false; {661#false} is VALID [2020-07-28 19:01:19,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:19,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755281380] [2020-07-28 19:01:19,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:19,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:19,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356195852] [2020-07-28 19:01:19,516 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:19,516 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:19,516 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:19,557 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:19,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:19,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:19,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:19,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:19,558 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2020-07-28 19:01:19,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:19,879 INFO L93 Difference]: Finished difference Result 81 states and 117 transitions. [2020-07-28 19:01:19,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:19,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:19,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:19,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:19,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 117 transitions. [2020-07-28 19:01:19,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:19,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 117 transitions. [2020-07-28 19:01:19,886 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 117 transitions. [2020-07-28 19:01:20,052 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:20,054 INFO L225 Difference]: With dead ends: 81 [2020-07-28 19:01:20,054 INFO L226 Difference]: Without dead ends: 56 [2020-07-28 19:01:20,055 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:20,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-07-28 19:01:20,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2020-07-28 19:01:20,096 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:20,096 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 52 states. [2020-07-28 19:01:20,096 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 52 states. [2020-07-28 19:01:20,096 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 52 states. [2020-07-28 19:01:20,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:20,102 INFO L93 Difference]: Finished difference Result 56 states and 79 transitions. [2020-07-28 19:01:20,102 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2020-07-28 19:01:20,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:20,103 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:20,103 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 56 states. [2020-07-28 19:01:20,105 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 56 states. [2020-07-28 19:01:20,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:20,113 INFO L93 Difference]: Finished difference Result 56 states and 79 transitions. [2020-07-28 19:01:20,114 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2020-07-28 19:01:20,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:20,114 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:20,114 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:20,115 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:20,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-07-28 19:01:20,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2020-07-28 19:01:20,120 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 24 [2020-07-28 19:01:20,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:20,120 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2020-07-28 19:01:20,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:20,121 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2020-07-28 19:01:20,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:20,121 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:20,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:20,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:01:20,122 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:20,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:20,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1755761006, now seen corresponding path program 1 times [2020-07-28 19:01:20,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:20,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812859134] [2020-07-28 19:01:20,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:20,288 INFO L280 TraceCheckUtils]: 0: Hoare triple {965#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,290 INFO L280 TraceCheckUtils]: 1: Hoare triple {967#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,292 INFO L280 TraceCheckUtils]: 2: Hoare triple {967#(= 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; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,292 INFO L280 TraceCheckUtils]: 3: Hoare triple {967#(= 1 ~waterLevel~0)} main_#t~ret71 := valid_product_#res;assume -2147483648 <= main_#t~ret71 && main_#t~ret71 <= 2147483647;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,293 INFO L280 TraceCheckUtils]: 4: Hoare triple {967#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~6; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,295 INFO L280 TraceCheckUtils]: 5: Hoare triple {967#(= 1 ~waterLevel~0)} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,297 INFO L280 TraceCheckUtils]: 6: Hoare triple {967#(= 1 ~waterLevel~0)} assume !false; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,298 INFO L280 TraceCheckUtils]: 7: Hoare triple {967#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,298 INFO L280 TraceCheckUtils]: 8: Hoare triple {967#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,299 INFO L280 TraceCheckUtils]: 9: Hoare triple {967#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~1); {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,300 INFO L280 TraceCheckUtils]: 10: Hoare triple {967#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,300 INFO L280 TraceCheckUtils]: 11: Hoare triple {967#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,301 INFO L280 TraceCheckUtils]: 12: Hoare triple {967#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet5 && test_#t~nondet5 <= 2147483647;test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,302 INFO L280 TraceCheckUtils]: 13: Hoare triple {967#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,303 INFO L280 TraceCheckUtils]: 14: Hoare triple {967#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,304 INFO L280 TraceCheckUtils]: 15: Hoare triple {967#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,305 INFO L280 TraceCheckUtils]: 16: Hoare triple {967#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,306 INFO L280 TraceCheckUtils]: 17: Hoare triple {967#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret0 && __utac_acc__Specification3_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; {967#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:20,307 INFO L280 TraceCheckUtils]: 18: Hoare triple {967#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {968#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:01:20,308 INFO L280 TraceCheckUtils]: 19: Hoare triple {968#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret1 && __utac_acc__Specification3_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; {969#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)} is VALID [2020-07-28 19:01:20,309 INFO L280 TraceCheckUtils]: 20: Hoare triple {969#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~0;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; {966#false} is VALID [2020-07-28 19:01:20,310 INFO L280 TraceCheckUtils]: 21: Hoare triple {966#false} __utac_acc__Specification3_spec__1_#t~ret2 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret2 && __utac_acc__Specification3_spec__1_#t~ret2 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~0 := __utac_acc__Specification3_spec__1_#t~ret2;havoc __utac_acc__Specification3_spec__1_#t~ret2; {966#false} is VALID [2020-07-28 19:01:20,310 INFO L280 TraceCheckUtils]: 22: Hoare triple {966#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~0); {966#false} is VALID [2020-07-28 19:01:20,310 INFO L280 TraceCheckUtils]: 23: Hoare triple {966#false} assume !false; {966#false} is VALID [2020-07-28 19:01:20,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:20,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812859134] [2020-07-28 19:01:20,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:20,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:20,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907226522] [2020-07-28 19:01:20,313 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:01:20,314 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:20,314 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:20,349 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:20,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:20,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:20,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:20,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:20,351 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2020-07-28 19:01:21,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:21,058 INFO L93 Difference]: Finished difference Result 264 states and 404 transitions. [2020-07-28 19:01:21,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:01:21,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:01:21,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:21,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:21,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 220 transitions. [2020-07-28 19:01:21,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:21,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 220 transitions. [2020-07-28 19:01:21,065 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 220 transitions. [2020-07-28 19:01:21,344 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 220 edges. 220 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:21,361 INFO L225 Difference]: With dead ends: 264 [2020-07-28 19:01:21,361 INFO L226 Difference]: Without dead ends: 218 [2020-07-28 19:01:21,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:01:21,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-07-28 19:01:21,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 92. [2020-07-28 19:01:21,469 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:21,469 INFO L82 GeneralOperation]: Start isEquivalent. First operand 218 states. Second operand 92 states. [2020-07-28 19:01:21,470 INFO L74 IsIncluded]: Start isIncluded. First operand 218 states. Second operand 92 states. [2020-07-28 19:01:21,470 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 92 states. [2020-07-28 19:01:21,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:21,486 INFO L93 Difference]: Finished difference Result 218 states and 321 transitions. [2020-07-28 19:01:21,486 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 321 transitions. [2020-07-28 19:01:21,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:21,492 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:21,492 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 218 states. [2020-07-28 19:01:21,492 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 218 states. [2020-07-28 19:01:21,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:21,505 INFO L93 Difference]: Finished difference Result 218 states and 321 transitions. [2020-07-28 19:01:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 321 transitions. [2020-07-28 19:01:21,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:21,506 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:21,507 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:21,507 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:21,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-07-28 19:01:21,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2020-07-28 19:01:21,511 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 24 [2020-07-28 19:01:21,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:21,511 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2020-07-28 19:01:21,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:21,511 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2020-07-28 19:01:21,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:01:21,512 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:21,512 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 19:01:21,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:01:21,517 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:21,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:21,517 INFO L82 PathProgramCache]: Analyzing trace with hash 120698128, now seen corresponding path program 1 times [2020-07-28 19:01:21,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:21,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086116527] [2020-07-28 19:01:21,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:21,636 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:21,686 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:21,730 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:01:21,731 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:01:21,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:01:21,881 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:01:21,881 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:01:21,881 WARN L170 areAnnotationChecker]: L411 has no Hoare annotation [2020-07-28 19:01:21,881 WARN L170 areAnnotationChecker]: L419 has no Hoare annotation [2020-07-28 19:01:21,883 WARN L170 areAnnotationChecker]: L872 has no Hoare annotation [2020-07-28 19:01:21,883 WARN L170 areAnnotationChecker]: L872 has no Hoare annotation [2020-07-28 19:01:21,883 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-28 19:01:21,883 WARN L170 areAnnotationChecker]: L872-1 has no Hoare annotation [2020-07-28 19:01:21,883 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 19:01:21,883 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 19:01:21,883 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-28 19:01:21,884 WARN L170 areAnnotationChecker]: L881 has no Hoare annotation [2020-07-28 19:01:21,884 WARN L170 areAnnotationChecker]: L144 has no Hoare annotation [2020-07-28 19:01:21,884 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-28 19:01:21,884 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-28 19:01:21,884 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:21,884 WARN L170 areAnnotationChecker]: L165-1 has no Hoare annotation [2020-07-28 19:01:21,884 WARN L170 areAnnotationChecker]: L165-1 has no Hoare annotation [2020-07-28 19:01:21,884 WARN L170 areAnnotationChecker]: L96 has no Hoare annotation [2020-07-28 19:01:21,884 WARN L170 areAnnotationChecker]: L312-3 has no Hoare annotation [2020-07-28 19:01:21,884 WARN L170 areAnnotationChecker]: L312-3 has no Hoare annotation [2020-07-28 19:01:21,885 WARN L170 areAnnotationChecker]: L165-2 has no Hoare annotation [2020-07-28 19:01:21,885 WARN L170 areAnnotationChecker]: L165-2 has no Hoare annotation [2020-07-28 19:01:21,885 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-28 19:01:21,885 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-28 19:01:21,885 WARN L170 areAnnotationChecker]: L172-1 has no Hoare annotation [2020-07-28 19:01:21,885 WARN L170 areAnnotationChecker]: L324 has no Hoare annotation [2020-07-28 19:01:21,885 WARN L170 areAnnotationChecker]: L324 has no Hoare annotation [2020-07-28 19:01:21,885 WARN L170 areAnnotationChecker]: L104-1 has no Hoare annotation [2020-07-28 19:01:21,885 WARN L170 areAnnotationChecker]: L349-1 has no Hoare annotation [2020-07-28 19:01:21,886 WARN L170 areAnnotationChecker]: L114 has no Hoare annotation [2020-07-28 19:01:21,886 WARN L170 areAnnotationChecker]: L114 has no Hoare annotation [2020-07-28 19:01:21,886 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-28 19:01:21,886 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation [2020-07-28 19:01:21,886 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-28 19:01:21,886 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-28 19:01:21,886 WARN L170 areAnnotationChecker]: L114-1 has no Hoare annotation [2020-07-28 19:01:21,886 WARN L170 areAnnotationChecker]: L59-3 has no Hoare annotation [2020-07-28 19:01:21,887 WARN L170 areAnnotationChecker]: L381-1 has no Hoare annotation [2020-07-28 19:01:21,887 WARN L170 areAnnotationChecker]: L124 has no Hoare annotation [2020-07-28 19:01:21,888 WARN L170 areAnnotationChecker]: L124 has no Hoare annotation [2020-07-28 19:01:21,888 WARN L170 areAnnotationChecker]: L801-2 has no Hoare annotation [2020-07-28 19:01:21,888 WARN L170 areAnnotationChecker]: L801-2 has no Hoare annotation [2020-07-28 19:01:21,888 WARN L170 areAnnotationChecker]: L801-2 has no Hoare annotation [2020-07-28 19:01:21,888 WARN L170 areAnnotationChecker]: L59-2 has no Hoare annotation [2020-07-28 19:01:21,888 WARN L170 areAnnotationChecker]: L59-2 has no Hoare annotation [2020-07-28 19:01:21,888 WARN L170 areAnnotationChecker]: L132-1 has no Hoare annotation [2020-07-28 19:01:21,888 WARN L170 areAnnotationChecker]: L132-1 has no Hoare annotation [2020-07-28 19:01:21,888 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 19:01:21,889 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-28 19:01:21,889 WARN L170 areAnnotationChecker]: L802 has no Hoare annotation [2020-07-28 19:01:21,889 WARN L170 areAnnotationChecker]: L242-1 has no Hoare annotation [2020-07-28 19:01:21,889 WARN L170 areAnnotationChecker]: L312 has no Hoare annotation [2020-07-28 19:01:21,889 WARN L170 areAnnotationChecker]: L312 has no Hoare annotation [2020-07-28 19:01:21,889 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2020-07-28 19:01:21,889 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2020-07-28 19:01:21,889 WARN L170 areAnnotationChecker]: L286 has no Hoare annotation [2020-07-28 19:01:21,889 WARN L170 areAnnotationChecker]: L286 has no Hoare annotation [2020-07-28 19:01:21,889 WARN L170 areAnnotationChecker]: L805 has no Hoare annotation [2020-07-28 19:01:21,890 WARN L170 areAnnotationChecker]: L805 has no Hoare annotation [2020-07-28 19:01:21,890 WARN L170 areAnnotationChecker]: L63-2 has no Hoare annotation [2020-07-28 19:01:21,890 WARN L170 areAnnotationChecker]: L63-2 has no Hoare annotation [2020-07-28 19:01:21,890 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2020-07-28 19:01:21,890 WARN L170 areAnnotationChecker]: L286-1 has no Hoare annotation [2020-07-28 19:01:21,890 WARN L170 areAnnotationChecker]: L805-1 has no Hoare annotation [2020-07-28 19:01:21,890 WARN L170 areAnnotationChecker]: L805-1 has no Hoare annotation [2020-07-28 19:01:21,890 WARN L170 areAnnotationChecker]: L890-1 has no Hoare annotation [2020-07-28 19:01:21,890 WARN L170 areAnnotationChecker]: L890-1 has no Hoare annotation [2020-07-28 19:01:21,891 WARN L170 areAnnotationChecker]: L349 has no Hoare annotation [2020-07-28 19:01:21,891 WARN L170 areAnnotationChecker]: L312-6 has no Hoare annotation [2020-07-28 19:01:21,891 WARN L170 areAnnotationChecker]: L312-6 has no Hoare annotation [2020-07-28 19:01:21,891 WARN L170 areAnnotationChecker]: L165-3 has no Hoare annotation [2020-07-28 19:01:21,891 WARN L170 areAnnotationChecker]: L165-3 has no Hoare annotation [2020-07-28 19:01:21,891 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:01:21,891 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 19:01:21,891 WARN L170 areAnnotationChecker]: L172-2 has no Hoare annotation [2020-07-28 19:01:21,891 WARN L170 areAnnotationChecker]: L381 has no Hoare annotation [2020-07-28 19:01:21,891 WARN L170 areAnnotationChecker]: L349-2 has no Hoare annotation [2020-07-28 19:01:21,892 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-28 19:01:21,892 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-28 19:01:21,893 WARN L170 areAnnotationChecker]: L53-4 has no Hoare annotation [2020-07-28 19:01:21,893 WARN L170 areAnnotationChecker]: L53-4 has no Hoare annotation [2020-07-28 19:01:21,893 WARN L170 areAnnotationChecker]: L242 has no Hoare annotation [2020-07-28 19:01:21,893 WARN L170 areAnnotationChecker]: L59-5 has no Hoare annotation [2020-07-28 19:01:21,893 WARN L170 areAnnotationChecker]: L381-2 has no Hoare annotation [2020-07-28 19:01:21,893 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 19:01:21,893 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 19:01:21,893 WARN L170 areAnnotationChecker]: L59-4 has no Hoare annotation [2020-07-28 19:01:21,893 WARN L170 areAnnotationChecker]: L59-4 has no Hoare annotation [2020-07-28 19:01:21,894 WARN L170 areAnnotationChecker]: L890 has no Hoare annotation [2020-07-28 19:01:21,894 WARN L170 areAnnotationChecker]: L890 has no Hoare annotation [2020-07-28 19:01:21,894 WARN L170 areAnnotationChecker]: L242-2 has no Hoare annotation [2020-07-28 19:01:21,894 WARN L170 areAnnotationChecker]: L63-4 has no Hoare annotation [2020-07-28 19:01:21,894 WARN L170 areAnnotationChecker]: L63-4 has no Hoare annotation [2020-07-28 19:01:21,894 WARN L170 areAnnotationChecker]: L890-2 has no Hoare annotation [2020-07-28 19:01:21,894 WARN L170 areAnnotationChecker]: L890-2 has no Hoare annotation [2020-07-28 19:01:21,894 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 19:01:21,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:01:21 BoogieIcfgContainer [2020-07-28 19:01:21,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:01:21,899 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:01:21,899 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:01:21,899 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:01:21,900 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:17" (3/4) ... [2020-07-28 19:01:21,902 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:01:22,015 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:01:22,016 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:01:22,019 INFO L168 Benchmark]: Toolchain (without parser) took 6562.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 225.4 MB). Free memory was 960.2 MB in the beginning and 917.4 MB in the end (delta: 42.9 MB). Peak memory consumption was 268.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:22,019 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:22,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:22,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.44 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 19:01:22,021 INFO L168 Benchmark]: Boogie Preprocessor took 46.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:22,021 INFO L168 Benchmark]: RCFGBuilder took 1353.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.1 MB in the end (delta: 130.9 MB). Peak memory consumption was 130.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:22,022 INFO L168 Benchmark]: TraceAbstraction took 4236.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.9 MB). Free memory was 996.1 MB in the beginning and 940.3 MB in the end (delta: 55.9 MB). Peak memory consumption was 128.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:22,023 INFO L168 Benchmark]: Witness Printer took 117.17 ms. Allocated memory is still 1.3 GB. Free memory was 940.3 MB in the beginning and 917.4 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:22,026 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 0.23 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 710.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 88.44 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. * Boogie Preprocessor took 46.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1353.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.1 MB in the end (delta: 130.9 MB). Peak memory consumption was 130.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4236.81 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.9 MB). Free memory was 996.1 MB in the beginning and 940.3 MB in the end (delta: 55.9 MB). Peak memory consumption was 128.8 MB. Max. memory is 11.5 GB. * Witness Printer took 117.17 ms. Allocated memory is still 1.3 GB. Free memory was 940.3 MB in the beginning and 917.4 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 890]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L306] int waterLevel = 1; [L307] int methaneLevelCritical = 0; [L593] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L790] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] int retValue_acc ; [L864] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L415] int retValue_acc ; [L418] retValue_acc = 1 [L419] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L870] tmp = valid_product() [L872] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L85] int splverifierCounter ; [L86] int tmp ; [L87] int tmp___0 ; [L88] int tmp___1 ; [L89] int tmp___2 ; [L92] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L94] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L96] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L102] tmp = __VERIFIER_nondet_int() [L104] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L324] COND TRUE waterLevel < 2 [L325] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L112] tmp___0 = __VERIFIER_nondet_int() [L114] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L122] tmp___2 = __VERIFIER_nondet_int() [L124] COND TRUE \read(tmp___2) [L301] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L165] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L172] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; [L345] int retValue_acc ; [L348] retValue_acc = methaneLevelCritical [L349] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L377] int retValue_acc ; [L380] retValue_acc = waterLevel [L381] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 [L238] int retValue_acc ; [L241] retValue_acc = pumpRunning [L242] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L890] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 65 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 231 SDslu, 196 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 2755 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...