./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product53.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product53.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 c24c1e7ee4ec00cdeabebf427b1fca35e12bb483 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:58:31,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:58:31,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:58:31,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:58:31,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:58:31,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:58:31,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:58:31,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:58:31,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:58:31,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:58:31,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:58:31,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:58:31,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:58:31,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:58:31,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:58:31,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:58:31,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:58:31,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:58:31,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:58:31,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:58:31,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:58:31,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:58:31,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:58:31,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:58:31,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:58:31,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:58:31,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:58:31,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:58:31,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:58:31,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:58:31,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:58:31,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:58:31,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:58:31,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:58:31,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:58:31,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:58:31,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:58:31,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:58:31,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:58:31,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:58:31,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:58:31,186 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:58:31,206 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:58:31,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:58:31,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:58:31,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:58:31,208 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:58:31,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:58:31,209 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:58:31,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:58:31,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:58:31,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:58:31,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:58:31,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:58:31,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:58:31,210 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:58:31,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:58:31,211 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:58:31,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:58:31,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:58:31,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:58:31,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:58:31,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:58:31,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:31,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:58:31,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:58:31,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:58:31,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:58:31,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:58:31,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:58:31,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:58:31,214 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 -> c24c1e7ee4ec00cdeabebf427b1fca35e12bb483 [2020-07-28 18:58:31,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:58:31,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:58:31,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:58:31,546 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:58:31,547 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:58:31,548 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product53.cil.c [2020-07-28 18:58:31,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/428313618/32a709f6dd904dab843cfd553ceda5f7/FLAGedc7229d2 [2020-07-28 18:58:32,153 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:58:32,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product53.cil.c [2020-07-28 18:58:32,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/428313618/32a709f6dd904dab843cfd553ceda5f7/FLAGedc7229d2 [2020-07-28 18:58:32,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/428313618/32a709f6dd904dab843cfd553ceda5f7 [2020-07-28 18:58:32,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:58:32,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:58:32,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:32,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:58:32,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:58:32,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:32" (1/1) ... [2020-07-28 18:58:32,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b56b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:32, skipping insertion in model container [2020-07-28 18:58:32,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:32" (1/1) ... [2020-07-28 18:58:32,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:58:32,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:58:32,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:32,946 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:58:33,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:33,135 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:58:33,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33 WrapperNode [2020-07-28 18:58:33,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:33,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:33,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:58:33,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:58:33,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:33,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:58:33,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:58:33,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:58:33,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:58:33,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:58:33,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:58:33,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:58:33,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:58:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:58:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:58:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:58:35,688 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:58:35,689 INFO L295 CfgBuilder]: Removed 276 assume(true) statements. [2020-07-28 18:58:35,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:35 BoogieIcfgContainer [2020-07-28 18:58:35,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:58:35,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:58:35,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:58:35,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:58:35,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:58:32" (1/3) ... [2020-07-28 18:58:35,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77729c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:35, skipping insertion in model container [2020-07-28 18:58:35,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (2/3) ... [2020-07-28 18:58:35,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77729c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:35, skipping insertion in model container [2020-07-28 18:58:35,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:35" (3/3) ... [2020-07-28 18:58:35,705 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product53.cil.c [2020-07-28 18:58:35,716 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:58:35,725 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:58:35,737 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:58:35,762 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:58:35,762 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:58:35,762 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:58:35,762 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:58:35,763 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:58:35,764 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:58:35,764 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:58:35,764 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:58:35,786 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2020-07-28 18:58:35,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:58:35,792 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:35,793 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:35,793 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:35,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:35,799 INFO L82 PathProgramCache]: Analyzing trace with hash 2002794138, now seen corresponding path program 1 times [2020-07-28 18:58:35,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:35,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184272177] [2020-07-28 18:58:35,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:36,111 INFO L280 TraceCheckUtils]: 0: Hoare triple {192#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {192#true} is VALID [2020-07-28 18:58:36,112 INFO L280 TraceCheckUtils]: 1: Hoare triple {192#true} havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; {192#true} is VALID [2020-07-28 18:58:36,113 INFO L280 TraceCheckUtils]: 2: Hoare triple {192#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {192#true} is VALID [2020-07-28 18:58:36,114 INFO L280 TraceCheckUtils]: 3: Hoare triple {192#true} main_#t~ret37 := valid_product_#res;assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; {192#true} is VALID [2020-07-28 18:58:36,114 INFO L280 TraceCheckUtils]: 4: Hoare triple {192#true} assume 0 != main_~tmp~4; {192#true} is VALID [2020-07-28 18:58:36,115 INFO L280 TraceCheckUtils]: 5: Hoare triple {192#true} havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {192#true} is VALID [2020-07-28 18:58:36,117 INFO L280 TraceCheckUtils]: 6: Hoare triple {192#true} assume false; {193#false} is VALID [2020-07-28 18:58:36,117 INFO L280 TraceCheckUtils]: 7: Hoare triple {193#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {193#false} is VALID [2020-07-28 18:58:36,118 INFO L280 TraceCheckUtils]: 8: Hoare triple {193#false} assume !(0 != ~pumpRunning~0); {193#false} is VALID [2020-07-28 18:58:36,118 INFO L280 TraceCheckUtils]: 9: Hoare triple {193#false} assume !(0 != ~systemActive~0); {193#false} is VALID [2020-07-28 18:58:36,119 INFO L280 TraceCheckUtils]: 10: Hoare triple {193#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {193#false} is VALID [2020-07-28 18:58:36,120 INFO L280 TraceCheckUtils]: 11: Hoare triple {193#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {193#false} is VALID [2020-07-28 18:58:36,120 INFO L280 TraceCheckUtils]: 12: Hoare triple {193#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {193#false} is VALID [2020-07-28 18:58:36,120 INFO L280 TraceCheckUtils]: 13: Hoare triple {193#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {193#false} is VALID [2020-07-28 18:58:36,121 INFO L280 TraceCheckUtils]: 14: Hoare triple {193#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {193#false} is VALID [2020-07-28 18:58:36,121 INFO L280 TraceCheckUtils]: 15: Hoare triple {193#false} assume !false; {193#false} is VALID [2020-07-28 18:58:36,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:36,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184272177] [2020-07-28 18:58:36,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:36,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:36,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370892988] [2020-07-28 18:58:36,138 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:36,140 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:36,144 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:58:36,186 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:36,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:58:36,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:36,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:58:36,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:36,200 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2020-07-28 18:58:36,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:36,681 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2020-07-28 18:58:36,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:58:36,681 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:36,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:36,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:36,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 569 transitions. [2020-07-28 18:58:36,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:36,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 569 transitions. [2020-07-28 18:58:36,710 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 569 transitions. [2020-07-28 18:58:37,384 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 569 edges. 569 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:37,406 INFO L225 Difference]: With dead ends: 372 [2020-07-28 18:58:37,406 INFO L226 Difference]: Without dead ends: 185 [2020-07-28 18:58:37,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:37,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-07-28 18:58:37,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-07-28 18:58:37,480 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:37,481 INFO L82 GeneralOperation]: Start isEquivalent. First operand 185 states. Second operand 185 states. [2020-07-28 18:58:37,481 INFO L74 IsIncluded]: Start isIncluded. First operand 185 states. Second operand 185 states. [2020-07-28 18:58:37,482 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 185 states. [2020-07-28 18:58:37,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:37,492 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2020-07-28 18:58:37,492 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2020-07-28 18:58:37,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:37,494 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:37,494 INFO L74 IsIncluded]: Start isIncluded. First operand 185 states. Second operand 185 states. [2020-07-28 18:58:37,495 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 185 states. [2020-07-28 18:58:37,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:37,503 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2020-07-28 18:58:37,504 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2020-07-28 18:58:37,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:37,506 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:37,506 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:37,506 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:37,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-07-28 18:58:37,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2020-07-28 18:58:37,517 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2020-07-28 18:58:37,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:37,517 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2020-07-28 18:58:37,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:58:37,517 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2020-07-28 18:58:37,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:58:37,518 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:37,518 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:37,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:58:37,519 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:37,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:37,520 INFO L82 PathProgramCache]: Analyzing trace with hash 956037241, now seen corresponding path program 1 times [2020-07-28 18:58:37,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:37,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796550238] [2020-07-28 18:58:37,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:37,645 INFO L280 TraceCheckUtils]: 0: Hoare triple {1316#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1316#true} is VALID [2020-07-28 18:58:37,645 INFO L280 TraceCheckUtils]: 1: Hoare triple {1316#true} havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; {1316#true} is VALID [2020-07-28 18:58:37,645 INFO L280 TraceCheckUtils]: 2: Hoare triple {1316#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {1316#true} is VALID [2020-07-28 18:58:37,646 INFO L280 TraceCheckUtils]: 3: Hoare triple {1316#true} main_#t~ret37 := valid_product_#res;assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; {1316#true} is VALID [2020-07-28 18:58:37,646 INFO L280 TraceCheckUtils]: 4: Hoare triple {1316#true} assume 0 != main_~tmp~4; {1316#true} is VALID [2020-07-28 18:58:37,647 INFO L280 TraceCheckUtils]: 5: Hoare triple {1316#true} havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1318#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:37,649 INFO L280 TraceCheckUtils]: 6: Hoare triple {1318#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {1318#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:37,650 INFO L280 TraceCheckUtils]: 7: Hoare triple {1318#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {1317#false} is VALID [2020-07-28 18:58:37,650 INFO L280 TraceCheckUtils]: 8: Hoare triple {1317#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {1317#false} is VALID [2020-07-28 18:58:37,650 INFO L280 TraceCheckUtils]: 9: Hoare triple {1317#false} assume !(0 != ~pumpRunning~0); {1317#false} is VALID [2020-07-28 18:58:37,651 INFO L280 TraceCheckUtils]: 10: Hoare triple {1317#false} assume !(0 != ~systemActive~0); {1317#false} is VALID [2020-07-28 18:58:37,651 INFO L280 TraceCheckUtils]: 11: Hoare triple {1317#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {1317#false} is VALID [2020-07-28 18:58:37,651 INFO L280 TraceCheckUtils]: 12: Hoare triple {1317#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {1317#false} is VALID [2020-07-28 18:58:37,651 INFO L280 TraceCheckUtils]: 13: Hoare triple {1317#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {1317#false} is VALID [2020-07-28 18:58:37,652 INFO L280 TraceCheckUtils]: 14: Hoare triple {1317#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {1317#false} is VALID [2020-07-28 18:58:37,652 INFO L280 TraceCheckUtils]: 15: Hoare triple {1317#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {1317#false} is VALID [2020-07-28 18:58:37,652 INFO L280 TraceCheckUtils]: 16: Hoare triple {1317#false} assume !false; {1317#false} is VALID [2020-07-28 18:58:37,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:37,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796550238] [2020-07-28 18:58:37,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:37,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:37,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543488129] [2020-07-28 18:58:37,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:37,657 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:37,657 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:37,684 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:37,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:37,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:37,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:37,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:37,685 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand 3 states. [2020-07-28 18:58:38,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:38,012 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2020-07-28 18:58:38,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:38,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:38,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:38,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:38,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2020-07-28 18:58:38,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:38,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2020-07-28 18:58:38,021 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 276 transitions. [2020-07-28 18:58:38,355 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 276 edges. 276 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:38,357 INFO L225 Difference]: With dead ends: 185 [2020-07-28 18:58:38,357 INFO L226 Difference]: Without dead ends: 71 [2020-07-28 18:58:38,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:38,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-28 18:58:38,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-07-28 18:58:38,393 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:38,393 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:38,393 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:38,393 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:38,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:38,397 INFO L93 Difference]: Finished difference Result 71 states and 105 transitions. [2020-07-28 18:58:38,398 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2020-07-28 18:58:38,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:38,398 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:38,399 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:38,399 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:38,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:38,406 INFO L93 Difference]: Finished difference Result 71 states and 105 transitions. [2020-07-28 18:58:38,406 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2020-07-28 18:58:38,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:38,407 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:38,407 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:38,407 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:38,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-28 18:58:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2020-07-28 18:58:38,411 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2020-07-28 18:58:38,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:38,411 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2020-07-28 18:58:38,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:38,412 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2020-07-28 18:58:38,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:58:38,413 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:38,413 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:38,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:58:38,414 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:38,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:38,414 INFO L82 PathProgramCache]: Analyzing trace with hash 748559286, now seen corresponding path program 1 times [2020-07-28 18:58:38,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:38,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546547535] [2020-07-28 18:58:38,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:38,555 INFO L280 TraceCheckUtils]: 0: Hoare triple {1807#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1809#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:38,556 INFO L280 TraceCheckUtils]: 1: Hoare triple {1809#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; {1809#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:38,557 INFO L280 TraceCheckUtils]: 2: Hoare triple {1809#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {1810#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-28 18:58:38,558 INFO L280 TraceCheckUtils]: 3: Hoare triple {1810#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} main_#t~ret37 := valid_product_#res;assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; {1811#(= ULTIMATE.start_main_~tmp~4 ~systemActive~0)} is VALID [2020-07-28 18:58:38,559 INFO L280 TraceCheckUtils]: 4: Hoare triple {1811#(= ULTIMATE.start_main_~tmp~4 ~systemActive~0)} assume 0 != main_~tmp~4; {1812#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,559 INFO L280 TraceCheckUtils]: 5: Hoare triple {1812#(not (= 0 ~systemActive~0))} havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1812#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,560 INFO L280 TraceCheckUtils]: 6: Hoare triple {1812#(not (= 0 ~systemActive~0))} assume !false; {1812#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,561 INFO L280 TraceCheckUtils]: 7: Hoare triple {1812#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {1812#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,561 INFO L280 TraceCheckUtils]: 8: Hoare triple {1812#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp~10 := test_#t~nondet60;havoc test_#t~nondet60; {1812#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,562 INFO L280 TraceCheckUtils]: 9: Hoare triple {1812#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~10); {1812#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,563 INFO L280 TraceCheckUtils]: 10: Hoare triple {1812#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet61 && test_#t~nondet61 <= 2147483647;test_~tmp___0~3 := test_#t~nondet61;havoc test_#t~nondet61; {1812#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,563 INFO L280 TraceCheckUtils]: 11: Hoare triple {1812#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~3); {1812#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,564 INFO L280 TraceCheckUtils]: 12: Hoare triple {1812#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet62 && test_#t~nondet62 <= 2147483647;test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; {1812#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,565 INFO L280 TraceCheckUtils]: 13: Hoare triple {1812#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {1812#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,565 INFO L280 TraceCheckUtils]: 14: Hoare triple {1812#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1812#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,566 INFO L280 TraceCheckUtils]: 15: Hoare triple {1812#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1808#false} is VALID [2020-07-28 18:58:38,566 INFO L280 TraceCheckUtils]: 16: Hoare triple {1808#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {1808#false} is VALID [2020-07-28 18:58:38,567 INFO L280 TraceCheckUtils]: 17: Hoare triple {1808#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {1808#false} is VALID [2020-07-28 18:58:38,567 INFO L280 TraceCheckUtils]: 18: Hoare triple {1808#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {1808#false} is VALID [2020-07-28 18:58:38,567 INFO L280 TraceCheckUtils]: 19: Hoare triple {1808#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {1808#false} is VALID [2020-07-28 18:58:38,568 INFO L280 TraceCheckUtils]: 20: Hoare triple {1808#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {1808#false} is VALID [2020-07-28 18:58:38,568 INFO L280 TraceCheckUtils]: 21: Hoare triple {1808#false} assume !false; {1808#false} is VALID [2020-07-28 18:58:38,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:38,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546547535] [2020-07-28 18:58:38,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:38,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:38,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593437311] [2020-07-28 18:58:38,571 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 18:58:38,572 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:38,572 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:58:38,605 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:38,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:58:38,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:38,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:58:38,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 18:58:38,606 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 6 states. [2020-07-28 18:58:39,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:39,223 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2020-07-28 18:58:39,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 18:58:39,223 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 18:58:39,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:39,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:39,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 204 transitions. [2020-07-28 18:58:39,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:39,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 204 transitions. [2020-07-28 18:58:39,229 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 204 transitions. [2020-07-28 18:58:39,489 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 204 edges. 204 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:39,491 INFO L225 Difference]: With dead ends: 136 [2020-07-28 18:58:39,491 INFO L226 Difference]: Without dead ends: 71 [2020-07-28 18:58:39,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 18:58:39,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-07-28 18:58:39,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-07-28 18:58:39,588 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:39,588 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:39,588 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:39,588 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:39,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:39,591 INFO L93 Difference]: Finished difference Result 71 states and 104 transitions. [2020-07-28 18:58:39,592 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2020-07-28 18:58:39,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:39,592 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:39,600 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:39,600 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 71 states. [2020-07-28 18:58:39,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:39,604 INFO L93 Difference]: Finished difference Result 71 states and 104 transitions. [2020-07-28 18:58:39,605 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2020-07-28 18:58:39,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:39,605 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:39,605 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:39,606 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:39,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-07-28 18:58:39,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2020-07-28 18:58:39,609 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2020-07-28 18:58:39,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:39,609 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2020-07-28 18:58:39,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:58:39,609 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2020-07-28 18:58:39,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:58:39,610 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:39,610 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:39,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:58:39,611 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:39,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:39,612 INFO L82 PathProgramCache]: Analyzing trace with hash -682519882, now seen corresponding path program 1 times [2020-07-28 18:58:39,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:39,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667301341] [2020-07-28 18:58:39,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:39,768 INFO L280 TraceCheckUtils]: 0: Hoare triple {2237#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2239#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,769 INFO L280 TraceCheckUtils]: 1: Hoare triple {2239#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; {2239#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,770 INFO L280 TraceCheckUtils]: 2: Hoare triple {2239#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {2239#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,770 INFO L280 TraceCheckUtils]: 3: Hoare triple {2239#(= 0 ~pumpRunning~0)} main_#t~ret37 := valid_product_#res;assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; {2239#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,771 INFO L280 TraceCheckUtils]: 4: Hoare triple {2239#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~4; {2239#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,772 INFO L280 TraceCheckUtils]: 5: Hoare triple {2239#(= 0 ~pumpRunning~0)} havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2239#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,775 INFO L280 TraceCheckUtils]: 6: Hoare triple {2239#(= 0 ~pumpRunning~0)} assume !false; {2239#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,776 INFO L280 TraceCheckUtils]: 7: Hoare triple {2239#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2239#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,777 INFO L280 TraceCheckUtils]: 8: Hoare triple {2239#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp~10 := test_#t~nondet60;havoc test_#t~nondet60; {2239#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,778 INFO L280 TraceCheckUtils]: 9: Hoare triple {2239#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~10); {2239#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,779 INFO L280 TraceCheckUtils]: 10: Hoare triple {2239#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet61 && test_#t~nondet61 <= 2147483647;test_~tmp___0~3 := test_#t~nondet61;havoc test_#t~nondet61; {2239#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,779 INFO L280 TraceCheckUtils]: 11: Hoare triple {2239#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~3); {2239#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,780 INFO L280 TraceCheckUtils]: 12: Hoare triple {2239#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet62 && test_#t~nondet62 <= 2147483647;test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; {2239#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,781 INFO L280 TraceCheckUtils]: 13: Hoare triple {2239#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {2239#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,782 INFO L280 TraceCheckUtils]: 14: Hoare triple {2239#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2239#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,782 INFO L280 TraceCheckUtils]: 15: Hoare triple {2239#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {2239#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,783 INFO L280 TraceCheckUtils]: 16: Hoare triple {2239#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret39, processEnvironment__wrappee__lowWaterSensor_~tmp~6;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6; {2239#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,784 INFO L280 TraceCheckUtils]: 17: Hoare triple {2239#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret38, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {2239#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:39,785 INFO L280 TraceCheckUtils]: 18: Hoare triple {2239#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {2238#false} is VALID [2020-07-28 18:58:39,785 INFO L280 TraceCheckUtils]: 19: Hoare triple {2238#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {2238#false} is VALID [2020-07-28 18:58:39,785 INFO L280 TraceCheckUtils]: 20: Hoare triple {2238#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {2238#false} is VALID [2020-07-28 18:58:39,786 INFO L280 TraceCheckUtils]: 21: Hoare triple {2238#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {2238#false} is VALID [2020-07-28 18:58:39,786 INFO L280 TraceCheckUtils]: 22: Hoare triple {2238#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {2238#false} is VALID [2020-07-28 18:58:39,786 INFO L280 TraceCheckUtils]: 23: Hoare triple {2238#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {2238#false} is VALID [2020-07-28 18:58:39,787 INFO L280 TraceCheckUtils]: 24: Hoare triple {2238#false} assume !false; {2238#false} is VALID [2020-07-28 18:58:39,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:39,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667301341] [2020-07-28 18:58:39,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:39,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:39,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573448242] [2020-07-28 18:58:39,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 18:58:39,795 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:39,795 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:39,836 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:39,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:39,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:39,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:39,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:39,838 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand 3 states. [2020-07-28 18:58:40,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:40,106 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2020-07-28 18:58:40,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:40,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 18:58:40,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:40,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:40,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2020-07-28 18:58:40,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:40,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2020-07-28 18:58:40,115 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 214 transitions. [2020-07-28 18:58:40,367 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 214 edges. 214 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:40,369 INFO L225 Difference]: With dead ends: 145 [2020-07-28 18:58:40,369 INFO L226 Difference]: Without dead ends: 80 [2020-07-28 18:58:40,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:40,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-07-28 18:58:40,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2020-07-28 18:58:40,442 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:40,442 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand 78 states. [2020-07-28 18:58:40,442 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 78 states. [2020-07-28 18:58:40,443 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 78 states. [2020-07-28 18:58:40,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:40,446 INFO L93 Difference]: Finished difference Result 80 states and 111 transitions. [2020-07-28 18:58:40,446 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 111 transitions. [2020-07-28 18:58:40,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:40,446 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:40,447 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 80 states. [2020-07-28 18:58:40,447 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 80 states. [2020-07-28 18:58:40,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:40,450 INFO L93 Difference]: Finished difference Result 80 states and 111 transitions. [2020-07-28 18:58:40,450 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 111 transitions. [2020-07-28 18:58:40,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:40,451 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:40,451 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:40,451 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:40,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-28 18:58:40,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2020-07-28 18:58:40,455 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2020-07-28 18:58:40,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:40,455 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2020-07-28 18:58:40,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:40,456 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2020-07-28 18:58:40,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:40,456 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:40,456 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:40,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:58:40,457 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:40,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:40,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1459548505, now seen corresponding path program 1 times [2020-07-28 18:58:40,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:40,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087036013] [2020-07-28 18:58:40,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:40,582 INFO L280 TraceCheckUtils]: 0: Hoare triple {2700#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2700#true} is VALID [2020-07-28 18:58:40,582 INFO L280 TraceCheckUtils]: 1: Hoare triple {2700#true} havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; {2700#true} is VALID [2020-07-28 18:58:40,582 INFO L280 TraceCheckUtils]: 2: Hoare triple {2700#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {2700#true} is VALID [2020-07-28 18:58:40,583 INFO L280 TraceCheckUtils]: 3: Hoare triple {2700#true} main_#t~ret37 := valid_product_#res;assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; {2700#true} is VALID [2020-07-28 18:58:40,583 INFO L280 TraceCheckUtils]: 4: Hoare triple {2700#true} assume 0 != main_~tmp~4; {2700#true} is VALID [2020-07-28 18:58:40,583 INFO L280 TraceCheckUtils]: 5: Hoare triple {2700#true} havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2700#true} is VALID [2020-07-28 18:58:40,584 INFO L280 TraceCheckUtils]: 6: Hoare triple {2700#true} assume !false; {2700#true} is VALID [2020-07-28 18:58:40,584 INFO L280 TraceCheckUtils]: 7: Hoare triple {2700#true} assume test_~splverifierCounter~0 < 4; {2700#true} is VALID [2020-07-28 18:58:40,584 INFO L280 TraceCheckUtils]: 8: Hoare triple {2700#true} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp~10 := test_#t~nondet60;havoc test_#t~nondet60; {2700#true} is VALID [2020-07-28 18:58:40,584 INFO L280 TraceCheckUtils]: 9: Hoare triple {2700#true} assume !(0 != test_~tmp~10); {2700#true} is VALID [2020-07-28 18:58:40,585 INFO L280 TraceCheckUtils]: 10: Hoare triple {2700#true} assume -2147483648 <= test_#t~nondet61 && test_#t~nondet61 <= 2147483647;test_~tmp___0~3 := test_#t~nondet61;havoc test_#t~nondet61; {2700#true} is VALID [2020-07-28 18:58:40,585 INFO L280 TraceCheckUtils]: 11: Hoare triple {2700#true} assume !(0 != test_~tmp___0~3); {2700#true} is VALID [2020-07-28 18:58:40,585 INFO L280 TraceCheckUtils]: 12: Hoare triple {2700#true} assume -2147483648 <= test_#t~nondet62 && test_#t~nondet62 <= 2147483647;test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; {2700#true} is VALID [2020-07-28 18:58:40,585 INFO L280 TraceCheckUtils]: 13: Hoare triple {2700#true} assume 0 != test_~tmp___2~0; {2700#true} is VALID [2020-07-28 18:58:40,586 INFO L280 TraceCheckUtils]: 14: Hoare triple {2700#true} assume !(0 != ~pumpRunning~0); {2700#true} is VALID [2020-07-28 18:58:40,586 INFO L280 TraceCheckUtils]: 15: Hoare triple {2700#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {2700#true} is VALID [2020-07-28 18:58:40,586 INFO L280 TraceCheckUtils]: 16: Hoare triple {2700#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret39, processEnvironment__wrappee__lowWaterSensor_~tmp~6;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6; {2700#true} is VALID [2020-07-28 18:58:40,587 INFO L280 TraceCheckUtils]: 17: Hoare triple {2700#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret38, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {2700#true} is VALID [2020-07-28 18:58:40,587 INFO L280 TraceCheckUtils]: 18: Hoare triple {2700#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {2700#true} is VALID [2020-07-28 18:58:40,587 INFO L280 TraceCheckUtils]: 19: Hoare triple {2700#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {2700#true} is VALID [2020-07-28 18:58:40,590 INFO L280 TraceCheckUtils]: 20: Hoare triple {2700#true} isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret58 && isHighWaterLevel_#t~ret58 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; {2700#true} is VALID [2020-07-28 18:58:40,591 INFO L280 TraceCheckUtils]: 21: Hoare triple {2700#true} assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; {2702#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 18:58:40,592 INFO L280 TraceCheckUtils]: 22: Hoare triple {2702#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {2703#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 18:58:40,592 INFO L280 TraceCheckUtils]: 23: Hoare triple {2703#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret38 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret38 && processEnvironment__wrappee__highWaterSensor_#t~ret38 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret38;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38; {2704#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5)} is VALID [2020-07-28 18:58:40,593 INFO L280 TraceCheckUtils]: 24: Hoare triple {2704#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;~pumpRunning~0 := 1; {2701#false} is VALID [2020-07-28 18:58:40,593 INFO L280 TraceCheckUtils]: 25: Hoare triple {2701#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {2701#false} is VALID [2020-07-28 18:58:40,594 INFO L280 TraceCheckUtils]: 26: Hoare triple {2701#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {2701#false} is VALID [2020-07-28 18:58:40,594 INFO L280 TraceCheckUtils]: 27: Hoare triple {2701#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {2701#false} is VALID [2020-07-28 18:58:40,594 INFO L280 TraceCheckUtils]: 28: Hoare triple {2701#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {2701#false} is VALID [2020-07-28 18:58:40,594 INFO L280 TraceCheckUtils]: 29: Hoare triple {2701#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {2701#false} is VALID [2020-07-28 18:58:40,595 INFO L280 TraceCheckUtils]: 30: Hoare triple {2701#false} assume !false; {2701#false} is VALID [2020-07-28 18:58:40,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:40,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087036013] [2020-07-28 18:58:40,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:40,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:40,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021066976] [2020-07-28 18:58:40,602 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:40,602 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:40,602 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:40,642 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:40,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:40,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:40,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:40,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:40,644 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand 5 states. [2020-07-28 18:58:41,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:41,411 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2020-07-28 18:58:41,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:41,411 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:41,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:41,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:41,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 231 transitions. [2020-07-28 18:58:41,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:41,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 231 transitions. [2020-07-28 18:58:41,417 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 231 transitions. [2020-07-28 18:58:41,688 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 231 edges. 231 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:41,690 INFO L225 Difference]: With dead ends: 204 [2020-07-28 18:58:41,691 INFO L226 Difference]: Without dead ends: 132 [2020-07-28 18:58:41,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:58:41,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-07-28 18:58:41,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2020-07-28 18:58:41,803 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:41,803 INFO L82 GeneralOperation]: Start isEquivalent. First operand 132 states. Second operand 87 states. [2020-07-28 18:58:41,803 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand 87 states. [2020-07-28 18:58:41,803 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 87 states. [2020-07-28 18:58:41,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:41,809 INFO L93 Difference]: Finished difference Result 132 states and 178 transitions. [2020-07-28 18:58:41,809 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 178 transitions. [2020-07-28 18:58:41,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:41,810 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:41,810 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 132 states. [2020-07-28 18:58:41,810 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 132 states. [2020-07-28 18:58:41,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:41,815 INFO L93 Difference]: Finished difference Result 132 states and 178 transitions. [2020-07-28 18:58:41,815 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 178 transitions. [2020-07-28 18:58:41,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:41,815 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:41,816 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:41,816 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:41,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-28 18:58:41,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2020-07-28 18:58:41,819 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2020-07-28 18:58:41,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:41,819 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2020-07-28 18:58:41,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:41,820 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2020-07-28 18:58:41,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:41,820 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:41,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:41,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:58:41,821 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:41,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:41,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1202962538, now seen corresponding path program 1 times [2020-07-28 18:58:41,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:41,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512977817] [2020-07-28 18:58:41,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:41,897 INFO L280 TraceCheckUtils]: 0: Hoare triple {3366#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,898 INFO L280 TraceCheckUtils]: 1: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,898 INFO L280 TraceCheckUtils]: 2: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,899 INFO L280 TraceCheckUtils]: 3: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} main_#t~ret37 := valid_product_#res;assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,900 INFO L280 TraceCheckUtils]: 4: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~4; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,900 INFO L280 TraceCheckUtils]: 5: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,901 INFO L280 TraceCheckUtils]: 6: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} assume !false; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,901 INFO L280 TraceCheckUtils]: 7: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,902 INFO L280 TraceCheckUtils]: 8: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp~10 := test_#t~nondet60;havoc test_#t~nondet60; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,906 INFO L280 TraceCheckUtils]: 9: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~10); {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,911 INFO L280 TraceCheckUtils]: 10: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet61 && test_#t~nondet61 <= 2147483647;test_~tmp___0~3 := test_#t~nondet61;havoc test_#t~nondet61; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,913 INFO L280 TraceCheckUtils]: 11: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~3); {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,914 INFO L280 TraceCheckUtils]: 12: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet62 && test_#t~nondet62 <= 2147483647;test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,914 INFO L280 TraceCheckUtils]: 13: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,915 INFO L280 TraceCheckUtils]: 14: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,916 INFO L280 TraceCheckUtils]: 15: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,917 INFO L280 TraceCheckUtils]: 16: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret39, processEnvironment__wrappee__lowWaterSensor_~tmp~6;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,917 INFO L280 TraceCheckUtils]: 17: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret38, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,918 INFO L280 TraceCheckUtils]: 18: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,919 INFO L280 TraceCheckUtils]: 19: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,920 INFO L280 TraceCheckUtils]: 20: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret58 && isHighWaterLevel_#t~ret58 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,920 INFO L280 TraceCheckUtils]: 21: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,921 INFO L280 TraceCheckUtils]: 22: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,922 INFO L280 TraceCheckUtils]: 23: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} processEnvironment__wrappee__highWaterSensor_#t~ret38 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret38 && processEnvironment__wrappee__highWaterSensor_#t~ret38 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret38;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38; {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,922 INFO L280 TraceCheckUtils]: 24: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); {3368#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,923 INFO L280 TraceCheckUtils]: 25: Hoare triple {3368#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {3369#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:58:41,924 INFO L280 TraceCheckUtils]: 26: Hoare triple {3369#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {3370#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0)} is VALID [2020-07-28 18:58:41,925 INFO L280 TraceCheckUtils]: 27: Hoare triple {3370#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {3367#false} is VALID [2020-07-28 18:58:41,925 INFO L280 TraceCheckUtils]: 28: Hoare triple {3367#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {3367#false} is VALID [2020-07-28 18:58:41,925 INFO L280 TraceCheckUtils]: 29: Hoare triple {3367#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {3367#false} is VALID [2020-07-28 18:58:41,926 INFO L280 TraceCheckUtils]: 30: Hoare triple {3367#false} assume !false; {3367#false} is VALID [2020-07-28 18:58:41,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:41,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512977817] [2020-07-28 18:58:41,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:41,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:41,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126239782] [2020-07-28 18:58:41,929 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:41,929 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:41,929 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:41,972 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:41,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:41,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:41,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:41,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:41,974 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 5 states. [2020-07-28 18:58:43,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:43,165 INFO L93 Difference]: Finished difference Result 431 states and 600 transitions. [2020-07-28 18:58:43,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:58:43,165 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:43,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:43,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:43,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 422 transitions. [2020-07-28 18:58:43,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:43,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 422 transitions. [2020-07-28 18:58:43,175 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 422 transitions. [2020-07-28 18:58:43,683 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 422 edges. 422 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:43,693 INFO L225 Difference]: With dead ends: 431 [2020-07-28 18:58:43,693 INFO L226 Difference]: Without dead ends: 350 [2020-07-28 18:58:43,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:43,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-07-28 18:58:43,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 162. [2020-07-28 18:58:43,915 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:43,915 INFO L82 GeneralOperation]: Start isEquivalent. First operand 350 states. Second operand 162 states. [2020-07-28 18:58:43,915 INFO L74 IsIncluded]: Start isIncluded. First operand 350 states. Second operand 162 states. [2020-07-28 18:58:43,915 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 162 states. [2020-07-28 18:58:43,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:43,927 INFO L93 Difference]: Finished difference Result 350 states and 482 transitions. [2020-07-28 18:58:43,927 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 482 transitions. [2020-07-28 18:58:43,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:43,928 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:43,929 INFO L74 IsIncluded]: Start isIncluded. First operand 162 states. Second operand 350 states. [2020-07-28 18:58:43,929 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 350 states. [2020-07-28 18:58:43,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:43,940 INFO L93 Difference]: Finished difference Result 350 states and 482 transitions. [2020-07-28 18:58:43,941 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 482 transitions. [2020-07-28 18:58:43,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:43,941 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:43,942 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:43,942 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:43,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-07-28 18:58:43,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 221 transitions. [2020-07-28 18:58:43,946 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 221 transitions. Word has length 31 [2020-07-28 18:58:43,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:43,947 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 221 transitions. [2020-07-28 18:58:43,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:43,947 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 221 transitions. [2020-07-28 18:58:43,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:58:43,948 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:43,948 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:43,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 18:58:43,948 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:43,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:43,949 INFO L82 PathProgramCache]: Analyzing trace with hash 552949620, now seen corresponding path program 1 times [2020-07-28 18:58:43,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:43,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233684833] [2020-07-28 18:58:43,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:44,047 INFO L280 TraceCheckUtils]: 0: Hoare triple {4875#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,048 INFO L280 TraceCheckUtils]: 1: Hoare triple {4877#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,048 INFO L280 TraceCheckUtils]: 2: Hoare triple {4877#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,051 INFO L280 TraceCheckUtils]: 3: Hoare triple {4877#(= 0 ~pumpRunning~0)} main_#t~ret37 := valid_product_#res;assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,052 INFO L280 TraceCheckUtils]: 4: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~4; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,052 INFO L280 TraceCheckUtils]: 5: Hoare triple {4877#(= 0 ~pumpRunning~0)} havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,053 INFO L280 TraceCheckUtils]: 6: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume !false; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,054 INFO L280 TraceCheckUtils]: 7: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,054 INFO L280 TraceCheckUtils]: 8: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp~10 := test_#t~nondet60;havoc test_#t~nondet60; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,055 INFO L280 TraceCheckUtils]: 9: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~10); {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,055 INFO L280 TraceCheckUtils]: 10: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet61 && test_#t~nondet61 <= 2147483647;test_~tmp___0~3 := test_#t~nondet61;havoc test_#t~nondet61; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,056 INFO L280 TraceCheckUtils]: 11: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~3; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,056 INFO L280 TraceCheckUtils]: 12: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,057 INFO L280 TraceCheckUtils]: 13: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet62 && test_#t~nondet62 <= 2147483647;test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,057 INFO L280 TraceCheckUtils]: 14: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,058 INFO L280 TraceCheckUtils]: 15: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,059 INFO L280 TraceCheckUtils]: 16: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,059 INFO L280 TraceCheckUtils]: 17: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret39, processEnvironment__wrappee__lowWaterSensor_~tmp~6;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,060 INFO L280 TraceCheckUtils]: 18: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret38, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,061 INFO L280 TraceCheckUtils]: 19: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,062 INFO L280 TraceCheckUtils]: 20: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,062 INFO L280 TraceCheckUtils]: 21: Hoare triple {4877#(= 0 ~pumpRunning~0)} isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret58 && isHighWaterLevel_#t~ret58 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,063 INFO L280 TraceCheckUtils]: 22: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,064 INFO L280 TraceCheckUtils]: 23: Hoare triple {4877#(= 0 ~pumpRunning~0)} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,064 INFO L280 TraceCheckUtils]: 24: Hoare triple {4877#(= 0 ~pumpRunning~0)} processEnvironment__wrappee__highWaterSensor_#t~ret38 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret38 && processEnvironment__wrappee__highWaterSensor_#t~ret38 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret38;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,065 INFO L280 TraceCheckUtils]: 25: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5); {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,065 INFO L280 TraceCheckUtils]: 26: Hoare triple {4877#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,067 INFO L280 TraceCheckUtils]: 27: Hoare triple {4877#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {4877#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,068 INFO L280 TraceCheckUtils]: 28: Hoare triple {4877#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {4878#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:58:44,069 INFO L280 TraceCheckUtils]: 29: Hoare triple {4878#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {4879#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} is VALID [2020-07-28 18:58:44,070 INFO L280 TraceCheckUtils]: 30: Hoare triple {4879#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {4876#false} is VALID [2020-07-28 18:58:44,070 INFO L280 TraceCheckUtils]: 31: Hoare triple {4876#false} assume !false; {4876#false} is VALID [2020-07-28 18:58:44,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:44,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233684833] [2020-07-28 18:58:44,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:44,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:44,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943430120] [2020-07-28 18:58:44,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 18:58:44,075 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:44,076 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:44,115 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:44,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:44,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:44,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:44,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:44,116 INFO L87 Difference]: Start difference. First operand 162 states and 221 transitions. Second operand 5 states. [2020-07-28 18:58:45,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:45,597 INFO L93 Difference]: Finished difference Result 470 states and 642 transitions. [2020-07-28 18:58:45,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:58:45,597 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 18:58:45,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:45,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:45,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 314 transitions. [2020-07-28 18:58:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 314 transitions. [2020-07-28 18:58:45,605 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 314 transitions. [2020-07-28 18:58:45,985 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 314 edges. 314 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:46,002 INFO L225 Difference]: With dead ends: 470 [2020-07-28 18:58:46,003 INFO L226 Difference]: Without dead ends: 468 [2020-07-28 18:58:46,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:46,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2020-07-28 18:58:46,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 162. [2020-07-28 18:58:46,279 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:46,279 INFO L82 GeneralOperation]: Start isEquivalent. First operand 468 states. Second operand 162 states. [2020-07-28 18:58:46,279 INFO L74 IsIncluded]: Start isIncluded. First operand 468 states. Second operand 162 states. [2020-07-28 18:58:46,279 INFO L87 Difference]: Start difference. First operand 468 states. Second operand 162 states. [2020-07-28 18:58:46,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:46,294 INFO L93 Difference]: Finished difference Result 468 states and 640 transitions. [2020-07-28 18:58:46,294 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 640 transitions. [2020-07-28 18:58:46,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:46,296 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:46,296 INFO L74 IsIncluded]: Start isIncluded. First operand 162 states. Second operand 468 states. [2020-07-28 18:58:46,296 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 468 states. [2020-07-28 18:58:46,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:46,310 INFO L93 Difference]: Finished difference Result 468 states and 640 transitions. [2020-07-28 18:58:46,311 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 640 transitions. [2020-07-28 18:58:46,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:46,312 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:46,312 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:46,312 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:46,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-07-28 18:58:46,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 220 transitions. [2020-07-28 18:58:46,316 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 220 transitions. Word has length 32 [2020-07-28 18:58:46,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:46,316 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 220 transitions. [2020-07-28 18:58:46,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:46,316 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 220 transitions. [2020-07-28 18:58:46,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:58:46,317 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:46,317 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:46,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 18:58:46,318 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:46,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:46,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1792378863, now seen corresponding path program 1 times [2020-07-28 18:58:46,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:46,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329047118] [2020-07-28 18:58:46,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:46,390 INFO L280 TraceCheckUtils]: 0: Hoare triple {6672#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {6672#true} is VALID [2020-07-28 18:58:46,391 INFO L280 TraceCheckUtils]: 1: Hoare triple {6672#true} havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; {6672#true} is VALID [2020-07-28 18:58:46,391 INFO L280 TraceCheckUtils]: 2: Hoare triple {6672#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {6674#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 18:58:46,392 INFO L280 TraceCheckUtils]: 3: Hoare triple {6674#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret37 := valid_product_#res;assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; {6675#(= 1 ULTIMATE.start_main_~tmp~4)} is VALID [2020-07-28 18:58:46,392 INFO L280 TraceCheckUtils]: 4: Hoare triple {6675#(= 1 ULTIMATE.start_main_~tmp~4)} assume 0 != main_~tmp~4; {6672#true} is VALID [2020-07-28 18:58:46,393 INFO L280 TraceCheckUtils]: 5: Hoare triple {6672#true} havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6672#true} is VALID [2020-07-28 18:58:46,393 INFO L280 TraceCheckUtils]: 6: Hoare triple {6672#true} assume !false; {6672#true} is VALID [2020-07-28 18:58:46,393 INFO L280 TraceCheckUtils]: 7: Hoare triple {6672#true} assume test_~splverifierCounter~0 < 4; {6672#true} is VALID [2020-07-28 18:58:46,393 INFO L280 TraceCheckUtils]: 8: Hoare triple {6672#true} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp~10 := test_#t~nondet60;havoc test_#t~nondet60; {6672#true} is VALID [2020-07-28 18:58:46,394 INFO L280 TraceCheckUtils]: 9: Hoare triple {6672#true} assume !(0 != test_~tmp~10); {6672#true} is VALID [2020-07-28 18:58:46,394 INFO L280 TraceCheckUtils]: 10: Hoare triple {6672#true} assume -2147483648 <= test_#t~nondet61 && test_#t~nondet61 <= 2147483647;test_~tmp___0~3 := test_#t~nondet61;havoc test_#t~nondet61; {6672#true} is VALID [2020-07-28 18:58:46,394 INFO L280 TraceCheckUtils]: 11: Hoare triple {6672#true} assume 0 != test_~tmp___0~3; {6672#true} is VALID [2020-07-28 18:58:46,394 INFO L280 TraceCheckUtils]: 12: Hoare triple {6672#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {6672#true} is VALID [2020-07-28 18:58:46,395 INFO L280 TraceCheckUtils]: 13: Hoare triple {6672#true} assume -2147483648 <= test_#t~nondet62 && test_#t~nondet62 <= 2147483647;test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; {6672#true} is VALID [2020-07-28 18:58:46,395 INFO L280 TraceCheckUtils]: 14: Hoare triple {6672#true} assume 0 != test_~tmp___2~0; {6672#true} is VALID [2020-07-28 18:58:46,395 INFO L280 TraceCheckUtils]: 15: Hoare triple {6672#true} assume !(0 != ~pumpRunning~0); {6672#true} is VALID [2020-07-28 18:58:46,395 INFO L280 TraceCheckUtils]: 16: Hoare triple {6672#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {6672#true} is VALID [2020-07-28 18:58:46,395 INFO L280 TraceCheckUtils]: 17: Hoare triple {6672#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret39, processEnvironment__wrappee__lowWaterSensor_~tmp~6;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6; {6672#true} is VALID [2020-07-28 18:58:46,396 INFO L280 TraceCheckUtils]: 18: Hoare triple {6672#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret38, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {6672#true} is VALID [2020-07-28 18:58:46,396 INFO L280 TraceCheckUtils]: 19: Hoare triple {6672#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {6672#true} is VALID [2020-07-28 18:58:46,397 INFO L280 TraceCheckUtils]: 20: Hoare triple {6672#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {6676#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} is VALID [2020-07-28 18:58:46,397 INFO L280 TraceCheckUtils]: 21: Hoare triple {6676#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret58 && isHighWaterLevel_#t~ret58 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; {6677#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~8))} is VALID [2020-07-28 18:58:46,398 INFO L280 TraceCheckUtils]: 22: Hoare triple {6677#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~8))} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~1 := 1; {6673#false} is VALID [2020-07-28 18:58:46,398 INFO L280 TraceCheckUtils]: 23: Hoare triple {6673#false} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {6673#false} is VALID [2020-07-28 18:58:46,398 INFO L280 TraceCheckUtils]: 24: Hoare triple {6673#false} processEnvironment__wrappee__highWaterSensor_#t~ret38 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret38 && processEnvironment__wrappee__highWaterSensor_#t~ret38 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret38;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38; {6673#false} is VALID [2020-07-28 18:58:46,399 INFO L280 TraceCheckUtils]: 25: Hoare triple {6673#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;~pumpRunning~0 := 1; {6673#false} is VALID [2020-07-28 18:58:46,399 INFO L280 TraceCheckUtils]: 26: Hoare triple {6673#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {6673#false} is VALID [2020-07-28 18:58:46,399 INFO L280 TraceCheckUtils]: 27: Hoare triple {6673#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {6673#false} is VALID [2020-07-28 18:58:46,399 INFO L280 TraceCheckUtils]: 28: Hoare triple {6673#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {6673#false} is VALID [2020-07-28 18:58:46,400 INFO L280 TraceCheckUtils]: 29: Hoare triple {6673#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {6673#false} is VALID [2020-07-28 18:58:46,400 INFO L280 TraceCheckUtils]: 30: Hoare triple {6673#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {6673#false} is VALID [2020-07-28 18:58:46,400 INFO L280 TraceCheckUtils]: 31: Hoare triple {6673#false} assume !false; {6673#false} is VALID [2020-07-28 18:58:46,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:46,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329047118] [2020-07-28 18:58:46,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:46,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-28 18:58:46,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622421037] [2020-07-28 18:58:46,402 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-07-28 18:58:46,403 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:46,403 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:58:46,442 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:46,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:58:46,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:46,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:58:46,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 18:58:46,443 INFO L87 Difference]: Start difference. First operand 162 states and 220 transitions. Second operand 6 states. [2020-07-28 18:58:47,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:47,840 INFO L93 Difference]: Finished difference Result 428 states and 574 transitions. [2020-07-28 18:58:47,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 18:58:47,840 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-07-28 18:58:47,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:47,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:47,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 243 transitions. [2020-07-28 18:58:47,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:47,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 243 transitions. [2020-07-28 18:58:47,845 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 243 transitions. [2020-07-28 18:58:48,142 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 243 edges. 243 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:48,149 INFO L225 Difference]: With dead ends: 428 [2020-07-28 18:58:48,149 INFO L226 Difference]: Without dead ends: 272 [2020-07-28 18:58:48,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-28 18:58:48,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-07-28 18:58:48,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 174. [2020-07-28 18:58:48,519 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:48,519 INFO L82 GeneralOperation]: Start isEquivalent. First operand 272 states. Second operand 174 states. [2020-07-28 18:58:48,519 INFO L74 IsIncluded]: Start isIncluded. First operand 272 states. Second operand 174 states. [2020-07-28 18:58:48,519 INFO L87 Difference]: Start difference. First operand 272 states. Second operand 174 states. [2020-07-28 18:58:48,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:48,528 INFO L93 Difference]: Finished difference Result 272 states and 354 transitions. [2020-07-28 18:58:48,529 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 354 transitions. [2020-07-28 18:58:48,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:48,530 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:48,530 INFO L74 IsIncluded]: Start isIncluded. First operand 174 states. Second operand 272 states. [2020-07-28 18:58:48,530 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 272 states. [2020-07-28 18:58:48,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:48,537 INFO L93 Difference]: Finished difference Result 272 states and 354 transitions. [2020-07-28 18:58:48,537 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 354 transitions. [2020-07-28 18:58:48,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:48,538 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:48,539 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:48,539 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:48,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-07-28 18:58:48,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 232 transitions. [2020-07-28 18:58:48,543 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 232 transitions. Word has length 32 [2020-07-28 18:58:48,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:48,544 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 232 transitions. [2020-07-28 18:58:48,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:58:48,544 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 232 transitions. [2020-07-28 18:58:48,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:58:48,547 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:48,547 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:48,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 18:58:48,548 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:48,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:48,548 INFO L82 PathProgramCache]: Analyzing trace with hash 2050544301, now seen corresponding path program 1 times [2020-07-28 18:58:48,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:48,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972539433] [2020-07-28 18:58:48,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:48,636 INFO L280 TraceCheckUtils]: 0: Hoare triple {8043#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,638 INFO L280 TraceCheckUtils]: 1: Hoare triple {8045#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,639 INFO L280 TraceCheckUtils]: 2: Hoare triple {8045#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,640 INFO L280 TraceCheckUtils]: 3: Hoare triple {8045#(= 1 ~waterLevel~0)} main_#t~ret37 := valid_product_#res;assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,641 INFO L280 TraceCheckUtils]: 4: Hoare triple {8045#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~4; {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,642 INFO L280 TraceCheckUtils]: 5: Hoare triple {8045#(= 1 ~waterLevel~0)} havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,643 INFO L280 TraceCheckUtils]: 6: Hoare triple {8045#(= 1 ~waterLevel~0)} assume !false; {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,645 INFO L280 TraceCheckUtils]: 7: Hoare triple {8045#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,646 INFO L280 TraceCheckUtils]: 8: Hoare triple {8045#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet60 && test_#t~nondet60 <= 2147483647;test_~tmp~10 := test_#t~nondet60;havoc test_#t~nondet60; {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,646 INFO L280 TraceCheckUtils]: 9: Hoare triple {8045#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~10); {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,647 INFO L280 TraceCheckUtils]: 10: Hoare triple {8045#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet61 && test_#t~nondet61 <= 2147483647;test_~tmp___0~3 := test_#t~nondet61;havoc test_#t~nondet61; {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,648 INFO L280 TraceCheckUtils]: 11: Hoare triple {8045#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___0~3; {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,649 INFO L280 TraceCheckUtils]: 12: Hoare triple {8045#(= 1 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,651 INFO L280 TraceCheckUtils]: 13: Hoare triple {8045#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet62 && test_#t~nondet62 <= 2147483647;test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,652 INFO L280 TraceCheckUtils]: 14: Hoare triple {8045#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,653 INFO L280 TraceCheckUtils]: 15: Hoare triple {8045#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,654 INFO L280 TraceCheckUtils]: 16: Hoare triple {8045#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,655 INFO L280 TraceCheckUtils]: 17: Hoare triple {8045#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret39, processEnvironment__wrappee__lowWaterSensor_~tmp~6;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6; {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,656 INFO L280 TraceCheckUtils]: 18: Hoare triple {8045#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret38, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,656 INFO L280 TraceCheckUtils]: 19: Hoare triple {8045#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; {8045#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:48,657 INFO L280 TraceCheckUtils]: 20: Hoare triple {8045#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~12 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; {8044#false} is VALID [2020-07-28 18:58:48,658 INFO L280 TraceCheckUtils]: 21: Hoare triple {8044#false} isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret58 && isHighWaterLevel_#t~ret58 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; {8044#false} is VALID [2020-07-28 18:58:48,658 INFO L280 TraceCheckUtils]: 22: Hoare triple {8044#false} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~1 := 1; {8044#false} is VALID [2020-07-28 18:58:48,659 INFO L280 TraceCheckUtils]: 23: Hoare triple {8044#false} isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; {8044#false} is VALID [2020-07-28 18:58:48,659 INFO L280 TraceCheckUtils]: 24: Hoare triple {8044#false} processEnvironment__wrappee__highWaterSensor_#t~ret38 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret38 && processEnvironment__wrappee__highWaterSensor_#t~ret38 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret38;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38; {8044#false} is VALID [2020-07-28 18:58:48,659 INFO L280 TraceCheckUtils]: 25: Hoare triple {8044#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;~pumpRunning~0 := 1; {8044#false} is VALID [2020-07-28 18:58:48,660 INFO L280 TraceCheckUtils]: 26: Hoare triple {8044#false} havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; {8044#false} is VALID [2020-07-28 18:58:48,660 INFO L280 TraceCheckUtils]: 27: Hoare triple {8044#false} __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret0 && __utac_acc__Specification1_spec__1_#t~ret0 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; {8044#false} is VALID [2020-07-28 18:58:48,660 INFO L280 TraceCheckUtils]: 28: Hoare triple {8044#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~5;havoc isPumpRunning_~retValue_acc~5;isPumpRunning_~retValue_acc~5 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~5; {8044#false} is VALID [2020-07-28 18:58:48,660 INFO L280 TraceCheckUtils]: 29: Hoare triple {8044#false} __utac_acc__Specification1_spec__1_#t~ret1 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret1 && __utac_acc__Specification1_spec__1_#t~ret1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret1;havoc __utac_acc__Specification1_spec__1_#t~ret1; {8044#false} is VALID [2020-07-28 18:58:48,661 INFO L280 TraceCheckUtils]: 30: Hoare triple {8044#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {8044#false} is VALID [2020-07-28 18:58:48,661 INFO L280 TraceCheckUtils]: 31: Hoare triple {8044#false} assume !false; {8044#false} is VALID [2020-07-28 18:58:48,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:48,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972539433] [2020-07-28 18:58:48,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:48,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:48,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008784254] [2020-07-28 18:58:48,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-07-28 18:58:48,665 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:48,665 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:48,725 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:48,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:48,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:48,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:48,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:48,727 INFO L87 Difference]: Start difference. First operand 174 states and 232 transitions. Second operand 3 states. [2020-07-28 18:58:49,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:49,525 INFO L93 Difference]: Finished difference Result 394 states and 524 transitions. [2020-07-28 18:58:49,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:49,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-07-28 18:58:49,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:49,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:49,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 195 transitions. [2020-07-28 18:58:49,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:49,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 195 transitions. [2020-07-28 18:58:49,530 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 195 transitions. [2020-07-28 18:58:49,769 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 195 edges. 195 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:49,774 INFO L225 Difference]: With dead ends: 394 [2020-07-28 18:58:49,775 INFO L226 Difference]: Without dead ends: 226 [2020-07-28 18:58:49,775 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:49,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-07-28 18:58:50,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-07-28 18:58:50,231 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:50,232 INFO L82 GeneralOperation]: Start isEquivalent. First operand 226 states. Second operand 226 states. [2020-07-28 18:58:50,232 INFO L74 IsIncluded]: Start isIncluded. First operand 226 states. Second operand 226 states. [2020-07-28 18:58:50,232 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 226 states. [2020-07-28 18:58:50,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:50,237 INFO L93 Difference]: Finished difference Result 226 states and 294 transitions. [2020-07-28 18:58:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 294 transitions. [2020-07-28 18:58:50,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:50,238 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:50,238 INFO L74 IsIncluded]: Start isIncluded. First operand 226 states. Second operand 226 states. [2020-07-28 18:58:50,238 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 226 states. [2020-07-28 18:58:50,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:50,244 INFO L93 Difference]: Finished difference Result 226 states and 294 transitions. [2020-07-28 18:58:50,244 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 294 transitions. [2020-07-28 18:58:50,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:50,245 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:50,245 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:50,245 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:50,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-07-28 18:58:50,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 294 transitions. [2020-07-28 18:58:50,251 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 294 transitions. Word has length 32 [2020-07-28 18:58:50,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:50,251 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 294 transitions. [2020-07-28 18:58:50,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:50,251 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 294 transitions. [2020-07-28 18:58:50,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 18:58:50,252 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:50,252 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:50,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 18:58:50,253 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:50,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:50,253 INFO L82 PathProgramCache]: Analyzing trace with hash 979497771, now seen corresponding path program 1 times [2020-07-28 18:58:50,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:50,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659475762] [2020-07-28 18:58:50,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:50,305 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:50,349 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:50,398 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 18:58:50,398 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 18:58:50,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 18:58:50,563 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:58:50,564 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:58:50,564 WARN L170 areAnnotationChecker]: L864 has no Hoare annotation [2020-07-28 18:58:50,564 WARN L170 areAnnotationChecker]: L872 has no Hoare annotation [2020-07-28 18:58:50,564 WARN L170 areAnnotationChecker]: L534 has no Hoare annotation [2020-07-28 18:58:50,564 WARN L170 areAnnotationChecker]: L534 has no Hoare annotation [2020-07-28 18:58:50,565 WARN L170 areAnnotationChecker]: L507 has no Hoare annotation [2020-07-28 18:58:50,565 WARN L170 areAnnotationChecker]: L534-1 has no Hoare annotation [2020-07-28 18:58:50,565 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-28 18:58:50,565 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-28 18:58:50,565 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-28 18:58:50,566 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-28 18:58:50,566 WARN L170 areAnnotationChecker]: L833 has no Hoare annotation [2020-07-28 18:58:50,566 WARN L170 areAnnotationChecker]: L788 has no Hoare annotation [2020-07-28 18:58:50,566 WARN L170 areAnnotationChecker]: L788 has no Hoare annotation [2020-07-28 18:58:50,566 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:58:50,566 WARN L170 areAnnotationChecker]: L561-1 has no Hoare annotation [2020-07-28 18:58:50,567 WARN L170 areAnnotationChecker]: L561-1 has no Hoare annotation [2020-07-28 18:58:50,567 WARN L170 areAnnotationChecker]: L789 has no Hoare annotation [2020-07-28 18:58:50,567 WARN L170 areAnnotationChecker]: L884-3 has no Hoare annotation [2020-07-28 18:58:50,567 WARN L170 areAnnotationChecker]: L884-3 has no Hoare annotation [2020-07-28 18:58:50,567 WARN L170 areAnnotationChecker]: L561-2 has no Hoare annotation [2020-07-28 18:58:50,567 WARN L170 areAnnotationChecker]: L561-2 has no Hoare annotation [2020-07-28 18:58:50,568 WARN L170 areAnnotationChecker]: L797 has no Hoare annotation [2020-07-28 18:58:50,568 WARN L170 areAnnotationChecker]: L797 has no Hoare annotation [2020-07-28 18:58:50,568 WARN L170 areAnnotationChecker]: L645-1 has no Hoare annotation [2020-07-28 18:58:50,568 WARN L170 areAnnotationChecker]: L645-1 has no Hoare annotation [2020-07-28 18:58:50,568 WARN L170 areAnnotationChecker]: L568-1 has no Hoare annotation [2020-07-28 18:58:50,569 WARN L170 areAnnotationChecker]: L896 has no Hoare annotation [2020-07-28 18:58:50,569 WARN L170 areAnnotationChecker]: L896 has no Hoare annotation [2020-07-28 18:58:50,569 WARN L170 areAnnotationChecker]: L797-1 has no Hoare annotation [2020-07-28 18:58:50,569 WARN L170 areAnnotationChecker]: L921-2 has no Hoare annotation [2020-07-28 18:58:50,569 WARN L170 areAnnotationChecker]: L619-3 has no Hoare annotation [2020-07-28 18:58:50,569 WARN L170 areAnnotationChecker]: L619-3 has no Hoare annotation [2020-07-28 18:58:50,570 WARN L170 areAnnotationChecker]: L921-3 has no Hoare annotation [2020-07-28 18:58:50,570 WARN L170 areAnnotationChecker]: L807 has no Hoare annotation [2020-07-28 18:58:50,570 WARN L170 areAnnotationChecker]: L807 has no Hoare annotation [2020-07-28 18:58:50,570 WARN L170 areAnnotationChecker]: L689-1 has no Hoare annotation [2020-07-28 18:58:50,570 WARN L170 areAnnotationChecker]: L976-3 has no Hoare annotation [2020-07-28 18:58:50,570 WARN L170 areAnnotationChecker]: L593-7 has no Hoare annotation [2020-07-28 18:58:50,571 WARN L170 areAnnotationChecker]: L593-7 has no Hoare annotation [2020-07-28 18:58:50,571 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-28 18:58:50,571 WARN L170 areAnnotationChecker]: L51-2 has no Hoare annotation [2020-07-28 18:58:50,571 WARN L170 areAnnotationChecker]: L908 has no Hoare annotation [2020-07-28 18:58:50,571 WARN L170 areAnnotationChecker]: L908 has no Hoare annotation [2020-07-28 18:58:50,571 WARN L170 areAnnotationChecker]: L807-1 has no Hoare annotation [2020-07-28 18:58:50,571 WARN L170 areAnnotationChecker]: L649-1 has no Hoare annotation [2020-07-28 18:58:50,572 WARN L170 areAnnotationChecker]: L649-1 has no Hoare annotation [2020-07-28 18:58:50,572 WARN L170 areAnnotationChecker]: L766-9 has no Hoare annotation [2020-07-28 18:58:50,572 WARN L170 areAnnotationChecker]: L766-9 has no Hoare annotation [2020-07-28 18:58:50,572 WARN L170 areAnnotationChecker]: L961-7 has no Hoare annotation [2020-07-28 18:58:50,572 WARN L170 areAnnotationChecker]: L961-7 has no Hoare annotation [2020-07-28 18:58:50,572 WARN L170 areAnnotationChecker]: L698-1 has no Hoare annotation [2020-07-28 18:58:50,573 WARN L170 areAnnotationChecker]: L51-3 has no Hoare annotation [2020-07-28 18:58:50,573 WARN L170 areAnnotationChecker]: L817 has no Hoare annotation [2020-07-28 18:58:50,573 WARN L170 areAnnotationChecker]: L817 has no Hoare annotation [2020-07-28 18:58:50,573 WARN L170 areAnnotationChecker]: L619-2 has no Hoare annotation [2020-07-28 18:58:50,573 WARN L170 areAnnotationChecker]: L619-2 has no Hoare annotation [2020-07-28 18:58:50,573 WARN L170 areAnnotationChecker]: L766-11 has no Hoare annotation [2020-07-28 18:58:50,574 WARN L170 areAnnotationChecker]: L966-7 has no Hoare annotation [2020-07-28 18:58:50,574 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 18:58:50,574 WARN L170 areAnnotationChecker]: L55-2 has no Hoare annotation [2020-07-28 18:58:50,574 WARN L170 areAnnotationChecker]: L456-2 has no Hoare annotation [2020-07-28 18:58:50,574 WARN L170 areAnnotationChecker]: L456-2 has no Hoare annotation [2020-07-28 18:58:50,574 WARN L170 areAnnotationChecker]: L456-2 has no Hoare annotation [2020-07-28 18:58:50,575 WARN L170 areAnnotationChecker]: L823-2 has no Hoare annotation [2020-07-28 18:58:50,575 WARN L170 areAnnotationChecker]: L823-2 has no Hoare annotation [2020-07-28 18:58:50,575 WARN L170 areAnnotationChecker]: L823 has no Hoare annotation [2020-07-28 18:58:50,575 WARN L170 areAnnotationChecker]: L823 has no Hoare annotation [2020-07-28 18:58:50,575 WARN L170 areAnnotationChecker]: L976-2 has no Hoare annotation [2020-07-28 18:58:50,575 WARN L170 areAnnotationChecker]: L593-5 has no Hoare annotation [2020-07-28 18:58:50,576 WARN L170 areAnnotationChecker]: L593-5 has no Hoare annotation [2020-07-28 18:58:50,576 WARN L170 areAnnotationChecker]: L772-3 has no Hoare annotation [2020-07-28 18:58:50,576 WARN L170 areAnnotationChecker]: L747-21 has no Hoare annotation [2020-07-28 18:58:50,576 WARN L170 areAnnotationChecker]: L747-21 has no Hoare annotation [2020-07-28 18:58:50,576 WARN L170 areAnnotationChecker]: L73-1 has no Hoare annotation [2020-07-28 18:58:50,577 WARN L170 areAnnotationChecker]: L73-1 has no Hoare annotation [2020-07-28 18:58:50,577 WARN L170 areAnnotationChecker]: L457 has no Hoare annotation [2020-07-28 18:58:50,577 WARN L170 areAnnotationChecker]: L884 has no Hoare annotation [2020-07-28 18:58:50,577 WARN L170 areAnnotationChecker]: L884 has no Hoare annotation [2020-07-28 18:58:50,577 WARN L170 areAnnotationChecker]: L561 has no Hoare annotation [2020-07-28 18:58:50,578 WARN L170 areAnnotationChecker]: L561 has no Hoare annotation [2020-07-28 18:58:50,578 WARN L170 areAnnotationChecker]: L766-6 has no Hoare annotation [2020-07-28 18:58:50,578 WARN L170 areAnnotationChecker]: L766-6 has no Hoare annotation [2020-07-28 18:58:50,578 WARN L170 areAnnotationChecker]: L961-5 has no Hoare annotation [2020-07-28 18:58:50,578 WARN L170 areAnnotationChecker]: L961-5 has no Hoare annotation [2020-07-28 18:58:50,578 WARN L170 areAnnotationChecker]: L623-3 has no Hoare annotation [2020-07-28 18:58:50,579 WARN L170 areAnnotationChecker]: L623-3 has no Hoare annotation [2020-07-28 18:58:50,579 WARN L170 areAnnotationChecker]: L747-23 has no Hoare annotation [2020-07-28 18:58:50,579 WARN L170 areAnnotationChecker]: L460 has no Hoare annotation [2020-07-28 18:58:50,579 WARN L170 areAnnotationChecker]: L460 has no Hoare annotation [2020-07-28 18:58:50,579 WARN L170 areAnnotationChecker]: L645 has no Hoare annotation [2020-07-28 18:58:50,579 WARN L170 areAnnotationChecker]: L645 has no Hoare annotation [2020-07-28 18:58:50,580 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-28 18:58:50,580 WARN L170 areAnnotationChecker]: L766-8 has no Hoare annotation [2020-07-28 18:58:50,580 WARN L170 areAnnotationChecker]: L966-5 has no Hoare annotation [2020-07-28 18:58:50,580 WARN L170 areAnnotationChecker]: L593-6 has no Hoare annotation [2020-07-28 18:58:50,580 WARN L170 areAnnotationChecker]: L593-6 has no Hoare annotation [2020-07-28 18:58:50,580 WARN L170 areAnnotationChecker]: L753-7 has no Hoare annotation [2020-07-28 18:58:50,581 WARN L170 areAnnotationChecker]: L460-1 has no Hoare annotation [2020-07-28 18:58:50,581 WARN L170 areAnnotationChecker]: L460-1 has no Hoare annotation [2020-07-28 18:58:50,581 WARN L170 areAnnotationChecker]: L921 has no Hoare annotation [2020-07-28 18:58:50,581 WARN L170 areAnnotationChecker]: L619-1 has no Hoare annotation [2020-07-28 18:58:50,581 WARN L170 areAnnotationChecker]: L619-1 has no Hoare annotation [2020-07-28 18:58:50,581 WARN L170 areAnnotationChecker]: L921-1 has no Hoare annotation [2020-07-28 18:58:50,582 WARN L170 areAnnotationChecker]: L772-2 has no Hoare annotation [2020-07-28 18:58:50,582 WARN L170 areAnnotationChecker]: L747-15 has no Hoare annotation [2020-07-28 18:58:50,582 WARN L170 areAnnotationChecker]: L747-15 has no Hoare annotation [2020-07-28 18:58:50,582 WARN L170 areAnnotationChecker]: L961-6 has no Hoare annotation [2020-07-28 18:58:50,582 WARN L170 areAnnotationChecker]: L961-6 has no Hoare annotation [2020-07-28 18:58:50,582 WARN L170 areAnnotationChecker]: L597-7 has no Hoare annotation [2020-07-28 18:58:50,583 WARN L170 areAnnotationChecker]: L597-7 has no Hoare annotation [2020-07-28 18:58:50,583 WARN L170 areAnnotationChecker]: L884-6 has no Hoare annotation [2020-07-28 18:58:50,583 WARN L170 areAnnotationChecker]: L884-6 has no Hoare annotation [2020-07-28 18:58:50,583 WARN L170 areAnnotationChecker]: L561-3 has no Hoare annotation [2020-07-28 18:58:50,583 WARN L170 areAnnotationChecker]: L561-3 has no Hoare annotation [2020-07-28 18:58:50,583 WARN L170 areAnnotationChecker]: L689 has no Hoare annotation [2020-07-28 18:58:50,584 WARN L170 areAnnotationChecker]: L976-1 has no Hoare annotation [2020-07-28 18:58:50,584 WARN L170 areAnnotationChecker]: L593-3 has no Hoare annotation [2020-07-28 18:58:50,584 WARN L170 areAnnotationChecker]: L593-3 has no Hoare annotation [2020-07-28 18:58:50,584 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 18:58:50,584 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-28 18:58:50,584 WARN L170 areAnnotationChecker]: L623-2 has no Hoare annotation [2020-07-28 18:58:50,584 WARN L170 areAnnotationChecker]: L623-2 has no Hoare annotation [2020-07-28 18:58:50,585 WARN L170 areAnnotationChecker]: L747-17 has no Hoare annotation [2020-07-28 18:58:50,585 WARN L170 areAnnotationChecker]: L966-6 has no Hoare annotation [2020-07-28 18:58:50,585 WARN L170 areAnnotationChecker]: L645-2 has no Hoare annotation [2020-07-28 18:58:50,585 WARN L170 areAnnotationChecker]: L645-2 has no Hoare annotation [2020-07-28 18:58:50,585 WARN L170 areAnnotationChecker]: L568-2 has no Hoare annotation [2020-07-28 18:58:50,585 WARN L170 areAnnotationChecker]: L649 has no Hoare annotation [2020-07-28 18:58:50,586 WARN L170 areAnnotationChecker]: L649 has no Hoare annotation [2020-07-28 18:58:50,586 WARN L170 areAnnotationChecker]: L766-3 has no Hoare annotation [2020-07-28 18:58:50,586 WARN L170 areAnnotationChecker]: L766-3 has no Hoare annotation [2020-07-28 18:58:50,586 WARN L170 areAnnotationChecker]: L961-3 has no Hoare annotation [2020-07-28 18:58:50,586 WARN L170 areAnnotationChecker]: L961-3 has no Hoare annotation [2020-07-28 18:58:50,586 WARN L170 areAnnotationChecker]: L698 has no Hoare annotation [2020-07-28 18:58:50,587 WARN L170 areAnnotationChecker]: L593-4 has no Hoare annotation [2020-07-28 18:58:50,587 WARN L170 areAnnotationChecker]: L593-4 has no Hoare annotation [2020-07-28 18:58:50,587 WARN L170 areAnnotationChecker]: L753-5 has no Hoare annotation [2020-07-28 18:58:50,587 WARN L170 areAnnotationChecker]: L747-18 has no Hoare annotation [2020-07-28 18:58:50,587 WARN L170 areAnnotationChecker]: L747-18 has no Hoare annotation [2020-07-28 18:58:50,587 WARN L170 areAnnotationChecker]: L921-4 has no Hoare annotation [2020-07-28 18:58:50,588 WARN L170 areAnnotationChecker]: L619-5 has no Hoare annotation [2020-07-28 18:58:50,588 WARN L170 areAnnotationChecker]: L619-5 has no Hoare annotation [2020-07-28 18:58:50,588 WARN L170 areAnnotationChecker]: L921-5 has no Hoare annotation [2020-07-28 18:58:50,588 WARN L170 areAnnotationChecker]: L619 has no Hoare annotation [2020-07-28 18:58:50,588 WARN L170 areAnnotationChecker]: L619 has no Hoare annotation [2020-07-28 18:58:50,588 WARN L170 areAnnotationChecker]: L766-5 has no Hoare annotation [2020-07-28 18:58:50,589 WARN L170 areAnnotationChecker]: L966-3 has no Hoare annotation [2020-07-28 18:58:50,589 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 18:58:50,589 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-28 18:58:50,589 WARN L170 areAnnotationChecker]: L961-4 has no Hoare annotation [2020-07-28 18:58:50,589 WARN L170 areAnnotationChecker]: L961-4 has no Hoare annotation [2020-07-28 18:58:50,589 WARN L170 areAnnotationChecker]: L597-5 has no Hoare annotation [2020-07-28 18:58:50,590 WARN L170 areAnnotationChecker]: L597-5 has no Hoare annotation [2020-07-28 18:58:50,590 WARN L170 areAnnotationChecker]: L747-20 has no Hoare annotation [2020-07-28 18:58:50,590 WARN L170 areAnnotationChecker]: L689-2 has no Hoare annotation [2020-07-28 18:58:50,590 WARN L170 areAnnotationChecker]: L976-5 has no Hoare annotation [2020-07-28 18:58:50,590 WARN L170 areAnnotationChecker]: L593-11 has no Hoare annotation [2020-07-28 18:58:50,590 WARN L170 areAnnotationChecker]: L593-11 has no Hoare annotation [2020-07-28 18:58:50,590 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-28 18:58:50,591 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-28 18:58:50,591 WARN L170 areAnnotationChecker]: L976 has no Hoare annotation [2020-07-28 18:58:50,591 WARN L170 areAnnotationChecker]: L593-1 has no Hoare annotation [2020-07-28 18:58:50,591 WARN L170 areAnnotationChecker]: L593-1 has no Hoare annotation [2020-07-28 18:58:50,591 WARN L170 areAnnotationChecker]: L772-1 has no Hoare annotation [2020-07-28 18:58:50,591 WARN L170 areAnnotationChecker]: L747-9 has no Hoare annotation [2020-07-28 18:58:50,592 WARN L170 areAnnotationChecker]: L747-9 has no Hoare annotation [2020-07-28 18:58:50,592 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 18:58:50,592 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 18:58:50,592 WARN L170 areAnnotationChecker]: L966-4 has no Hoare annotation [2020-07-28 18:58:50,592 WARN L170 areAnnotationChecker]: L753-6 has no Hoare annotation [2020-07-28 18:58:50,593 WARN L170 areAnnotationChecker]: L649-2 has no Hoare annotation [2020-07-28 18:58:50,593 WARN L170 areAnnotationChecker]: L649-2 has no Hoare annotation [2020-07-28 18:58:50,593 WARN L170 areAnnotationChecker]: L766-15 has no Hoare annotation [2020-07-28 18:58:50,593 WARN L170 areAnnotationChecker]: L766-15 has no Hoare annotation [2020-07-28 18:58:50,593 WARN L170 areAnnotationChecker]: L961-11 has no Hoare annotation [2020-07-28 18:58:50,593 WARN L170 areAnnotationChecker]: L961-11 has no Hoare annotation [2020-07-28 18:58:50,594 WARN L170 areAnnotationChecker]: L698-2 has no Hoare annotation [2020-07-28 18:58:50,594 WARN L170 areAnnotationChecker]: L51-5 has no Hoare annotation [2020-07-28 18:58:50,594 WARN L170 areAnnotationChecker]: L766 has no Hoare annotation [2020-07-28 18:58:50,594 WARN L170 areAnnotationChecker]: L766 has no Hoare annotation [2020-07-28 18:58:50,594 WARN L170 areAnnotationChecker]: L961-1 has no Hoare annotation [2020-07-28 18:58:50,594 WARN L170 areAnnotationChecker]: L961-1 has no Hoare annotation [2020-07-28 18:58:50,595 WARN L170 areAnnotationChecker]: L623-1 has no Hoare annotation [2020-07-28 18:58:50,595 WARN L170 areAnnotationChecker]: L623-1 has no Hoare annotation [2020-07-28 18:58:50,595 WARN L170 areAnnotationChecker]: L747-11 has no Hoare annotation [2020-07-28 18:58:50,595 WARN L170 areAnnotationChecker]: L747-12 has no Hoare annotation [2020-07-28 18:58:50,595 WARN L170 areAnnotationChecker]: L747-12 has no Hoare annotation [2020-07-28 18:58:50,595 WARN L170 areAnnotationChecker]: L597-6 has no Hoare annotation [2020-07-28 18:58:50,596 WARN L170 areAnnotationChecker]: L597-6 has no Hoare annotation [2020-07-28 18:58:50,596 WARN L170 areAnnotationChecker]: L619-4 has no Hoare annotation [2020-07-28 18:58:50,596 WARN L170 areAnnotationChecker]: L619-4 has no Hoare annotation [2020-07-28 18:58:50,596 WARN L170 areAnnotationChecker]: L766-17 has no Hoare annotation [2020-07-28 18:58:50,596 WARN L170 areAnnotationChecker]: L966-11 has no Hoare annotation [2020-07-28 18:58:50,596 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2020-07-28 18:58:50,597 WARN L170 areAnnotationChecker]: L55-4 has no Hoare annotation [2020-07-28 18:58:50,597 WARN L170 areAnnotationChecker]: L766-2 has no Hoare annotation [2020-07-28 18:58:50,597 WARN L170 areAnnotationChecker]: L966-1 has no Hoare annotation [2020-07-28 18:58:50,597 WARN L170 areAnnotationChecker]: L593-2 has no Hoare annotation [2020-07-28 18:58:50,597 WARN L170 areAnnotationChecker]: L593-2 has no Hoare annotation [2020-07-28 18:58:50,597 WARN L170 areAnnotationChecker]: L753-3 has no Hoare annotation [2020-07-28 18:58:50,597 WARN L170 areAnnotationChecker]: L747-14 has no Hoare annotation [2020-07-28 18:58:50,598 WARN L170 areAnnotationChecker]: L976-4 has no Hoare annotation [2020-07-28 18:58:50,598 WARN L170 areAnnotationChecker]: L593-9 has no Hoare annotation [2020-07-28 18:58:50,598 WARN L170 areAnnotationChecker]: L593-9 has no Hoare annotation [2020-07-28 18:58:50,598 WARN L170 areAnnotationChecker]: L772-5 has no Hoare annotation [2020-07-28 18:58:50,598 WARN L170 areAnnotationChecker]: L747-33 has no Hoare annotation [2020-07-28 18:58:50,598 WARN L170 areAnnotationChecker]: L747-33 has no Hoare annotation [2020-07-28 18:58:50,599 WARN L170 areAnnotationChecker]: L73-2 has no Hoare annotation [2020-07-28 18:58:50,599 WARN L170 areAnnotationChecker]: L73-2 has no Hoare annotation [2020-07-28 18:58:50,599 WARN L170 areAnnotationChecker]: L772 has no Hoare annotation [2020-07-28 18:58:50,599 WARN L170 areAnnotationChecker]: L747-3 has no Hoare annotation [2020-07-28 18:58:50,599 WARN L170 areAnnotationChecker]: L747-3 has no Hoare annotation [2020-07-28 18:58:50,599 WARN L170 areAnnotationChecker]: L961-2 has no Hoare annotation [2020-07-28 18:58:50,600 WARN L170 areAnnotationChecker]: L961-2 has no Hoare annotation [2020-07-28 18:58:50,600 WARN L170 areAnnotationChecker]: L597-3 has no Hoare annotation [2020-07-28 18:58:50,600 WARN L170 areAnnotationChecker]: L597-3 has no Hoare annotation [2020-07-28 18:58:50,600 WARN L170 areAnnotationChecker]: L753-4 has no Hoare annotation [2020-07-28 18:58:50,600 WARN L170 areAnnotationChecker]: L766-12 has no Hoare annotation [2020-07-28 18:58:50,600 WARN L170 areAnnotationChecker]: L766-12 has no Hoare annotation [2020-07-28 18:58:50,601 WARN L170 areAnnotationChecker]: L961-9 has no Hoare annotation [2020-07-28 18:58:50,601 WARN L170 areAnnotationChecker]: L961-9 has no Hoare annotation [2020-07-28 18:58:50,601 WARN L170 areAnnotationChecker]: L623-5 has no Hoare annotation [2020-07-28 18:58:50,601 WARN L170 areAnnotationChecker]: L623-5 has no Hoare annotation [2020-07-28 18:58:50,601 WARN L170 areAnnotationChecker]: L747-35 has no Hoare annotation [2020-07-28 18:58:50,601 WARN L170 areAnnotationChecker]: L623 has no Hoare annotation [2020-07-28 18:58:50,602 WARN L170 areAnnotationChecker]: L623 has no Hoare annotation [2020-07-28 18:58:50,602 WARN L170 areAnnotationChecker]: L747-5 has no Hoare annotation [2020-07-28 18:58:50,602 WARN L170 areAnnotationChecker]: L966-2 has no Hoare annotation [2020-07-28 18:58:50,602 WARN L170 areAnnotationChecker]: L597-4 has no Hoare annotation [2020-07-28 18:58:50,602 WARN L170 areAnnotationChecker]: L597-4 has no Hoare annotation [2020-07-28 18:58:50,602 WARN L170 areAnnotationChecker]: L766-14 has no Hoare annotation [2020-07-28 18:58:50,602 WARN L170 areAnnotationChecker]: L966-9 has no Hoare annotation [2020-07-28 18:58:50,603 WARN L170 areAnnotationChecker]: L593-10 has no Hoare annotation [2020-07-28 18:58:50,603 WARN L170 areAnnotationChecker]: L593-10 has no Hoare annotation [2020-07-28 18:58:50,603 WARN L170 areAnnotationChecker]: L753-11 has no Hoare annotation [2020-07-28 18:58:50,603 WARN L170 areAnnotationChecker]: L593 has no Hoare annotation [2020-07-28 18:58:50,603 WARN L170 areAnnotationChecker]: L593 has no Hoare annotation [2020-07-28 18:58:50,603 WARN L170 areAnnotationChecker]: L753-1 has no Hoare annotation [2020-07-28 18:58:50,604 WARN L170 areAnnotationChecker]: L747-6 has no Hoare annotation [2020-07-28 18:58:50,604 WARN L170 areAnnotationChecker]: L747-6 has no Hoare annotation [2020-07-28 18:58:50,604 WARN L170 areAnnotationChecker]: L772-4 has no Hoare annotation [2020-07-28 18:58:50,604 WARN L170 areAnnotationChecker]: L747-27 has no Hoare annotation [2020-07-28 18:58:50,604 WARN L170 areAnnotationChecker]: L747-27 has no Hoare annotation [2020-07-28 18:58:50,605 WARN L170 areAnnotationChecker]: L961-10 has no Hoare annotation [2020-07-28 18:58:50,605 WARN L170 areAnnotationChecker]: L961-10 has no Hoare annotation [2020-07-28 18:58:50,605 WARN L170 areAnnotationChecker]: L597-11 has no Hoare annotation [2020-07-28 18:58:50,605 WARN L170 areAnnotationChecker]: L597-11 has no Hoare annotation [2020-07-28 18:58:50,605 WARN L170 areAnnotationChecker]: L961 has no Hoare annotation [2020-07-28 18:58:50,605 WARN L170 areAnnotationChecker]: L961 has no Hoare annotation [2020-07-28 18:58:50,606 WARN L170 areAnnotationChecker]: L597-1 has no Hoare annotation [2020-07-28 18:58:50,606 WARN L170 areAnnotationChecker]: L597-1 has no Hoare annotation [2020-07-28 18:58:50,606 WARN L170 areAnnotationChecker]: L747-8 has no Hoare annotation [2020-07-28 18:58:50,606 WARN L170 areAnnotationChecker]: L623-4 has no Hoare annotation [2020-07-28 18:58:50,606 WARN L170 areAnnotationChecker]: L623-4 has no Hoare annotation [2020-07-28 18:58:50,606 WARN L170 areAnnotationChecker]: L747-29 has no Hoare annotation [2020-07-28 18:58:50,607 WARN L170 areAnnotationChecker]: L966-10 has no Hoare annotation [2020-07-28 18:58:50,607 WARN L170 areAnnotationChecker]: L966 has no Hoare annotation [2020-07-28 18:58:50,607 WARN L170 areAnnotationChecker]: L753-2 has no Hoare annotation [2020-07-28 18:58:50,607 WARN L170 areAnnotationChecker]: L593-8 has no Hoare annotation [2020-07-28 18:58:50,607 WARN L170 areAnnotationChecker]: L593-8 has no Hoare annotation [2020-07-28 18:58:50,608 WARN L170 areAnnotationChecker]: L753-9 has no Hoare annotation [2020-07-28 18:58:50,608 WARN L170 areAnnotationChecker]: L747-30 has no Hoare annotation [2020-07-28 18:58:50,608 WARN L170 areAnnotationChecker]: L747-30 has no Hoare annotation [2020-07-28 18:58:50,608 WARN L170 areAnnotationChecker]: L747 has no Hoare annotation [2020-07-28 18:58:50,608 WARN L170 areAnnotationChecker]: L747 has no Hoare annotation [2020-07-28 18:58:50,608 WARN L170 areAnnotationChecker]: L597-2 has no Hoare annotation [2020-07-28 18:58:50,609 WARN L170 areAnnotationChecker]: L597-2 has no Hoare annotation [2020-07-28 18:58:50,609 WARN L170 areAnnotationChecker]: L961-8 has no Hoare annotation [2020-07-28 18:58:50,609 WARN L170 areAnnotationChecker]: L961-8 has no Hoare annotation [2020-07-28 18:58:50,609 WARN L170 areAnnotationChecker]: L597-9 has no Hoare annotation [2020-07-28 18:58:50,609 WARN L170 areAnnotationChecker]: L597-9 has no Hoare annotation [2020-07-28 18:58:50,609 WARN L170 areAnnotationChecker]: L747-32 has no Hoare annotation [2020-07-28 18:58:50,609 WARN L170 areAnnotationChecker]: L747-2 has no Hoare annotation [2020-07-28 18:58:50,610 WARN L170 areAnnotationChecker]: L966-8 has no Hoare annotation [2020-07-28 18:58:50,610 WARN L170 areAnnotationChecker]: L753-10 has no Hoare annotation [2020-07-28 18:58:50,610 WARN L170 areAnnotationChecker]: L753 has no Hoare annotation [2020-07-28 18:58:50,610 WARN L170 areAnnotationChecker]: L747-24 has no Hoare annotation [2020-07-28 18:58:50,610 WARN L170 areAnnotationChecker]: L747-24 has no Hoare annotation [2020-07-28 18:58:50,610 WARN L170 areAnnotationChecker]: L597-10 has no Hoare annotation [2020-07-28 18:58:50,611 WARN L170 areAnnotationChecker]: L597-10 has no Hoare annotation [2020-07-28 18:58:50,611 WARN L170 areAnnotationChecker]: L597 has no Hoare annotation [2020-07-28 18:58:50,611 WARN L170 areAnnotationChecker]: L597 has no Hoare annotation [2020-07-28 18:58:50,611 WARN L170 areAnnotationChecker]: L747-26 has no Hoare annotation [2020-07-28 18:58:50,611 WARN L170 areAnnotationChecker]: L753-8 has no Hoare annotation [2020-07-28 18:58:50,611 WARN L170 areAnnotationChecker]: L597-8 has no Hoare annotation [2020-07-28 18:58:50,611 WARN L170 areAnnotationChecker]: L597-8 has no Hoare annotation [2020-07-28 18:58:50,612 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:58:50,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:58:50 BoogieIcfgContainer [2020-07-28 18:58:50,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:58:50,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:58:50,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:58:50,616 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:58:50,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:35" (3/4) ... [2020-07-28 18:58:50,619 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 18:58:50,733 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:58:50,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:58:50,737 INFO L168 Benchmark]: Toolchain (without parser) took 18298.08 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 400.6 MB). Free memory was 952.2 MB in the beginning and 1.2 GB in the end (delta: -219.1 MB). Peak memory consumption was 181.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:50,738 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:50,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:50,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:50,739 INFO L168 Benchmark]: Boogie Preprocessor took 74.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:50,740 INFO L168 Benchmark]: RCFGBuilder took 2365.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 869.4 MB in the end (delta: 225.9 MB). Peak memory consumption was 225.9 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:50,740 INFO L168 Benchmark]: TraceAbstraction took 14918.46 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 260.0 MB). Free memory was 869.4 MB in the beginning and 1.2 GB in the end (delta: -335.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:50,741 INFO L168 Benchmark]: Witness Printer took 118.35 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:50,743 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 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 696.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 118.01 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 74.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2365.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 869.4 MB in the end (delta: 225.9 MB). Peak memory consumption was 225.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14918.46 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 260.0 MB). Free memory was 869.4 MB in the beginning and 1.2 GB in the end (delta: -335.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 118.35 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 73]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L444] int cleanupTimeShifts = 4; [L554] int pumpRunning = 0; [L555] int systemActive = 1; [L878] int waterLevel = 1; [L879] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L525] int retValue_acc ; [L526] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L868] int retValue_acc ; [L871] retValue_acc = 1 [L872] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] tmp = valid_product() [L534] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L778] int splverifierCounter ; [L779] int tmp ; [L780] int tmp___0 ; [L781] int tmp___1 ; [L782] int tmp___2 ; [L785] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L787] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L789] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L795] tmp = __VERIFIER_nondet_int() [L797] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L896] COND TRUE waterLevel < 2 [L897] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L805] tmp___0 = __VERIFIER_nondet_int() [L807] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L908] COND FALSE !(\read(methaneLevelCritical)) [L911] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L815] tmp___2 = __VERIFIER_nondet_int() [L817] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L561] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L568] COND TRUE \read(systemActive) [L642] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L645] COND FALSE !(\read(pumpRunning)) [L616] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L619] COND FALSE !(\read(pumpRunning)) [L590] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L593] COND TRUE ! pumpRunning [L739] int retValue_acc ; [L740] int tmp ; [L741] int tmp___0 ; [L958] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L961] COND FALSE !(waterLevel < 2) [L965] retValue_acc = 0 [L966] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L745] tmp = isHighWaterSensorDry() [L747] COND FALSE !(\read(tmp)) [L750] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L752] retValue_acc = tmp___0 [L753] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L595] tmp = isHighWaterLevel() [L597] COND TRUE \read(tmp) [L670] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L44] int tmp ; [L45] int tmp___0 ; [L917] int retValue_acc ; [L920] retValue_acc = methaneLevelCritical [L921] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L49] tmp = isMethaneLevelCritical() [L51] COND TRUE \read(tmp) [L694] int retValue_acc ; [L697] retValue_acc = pumpRunning [L698] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L53] tmp___0 = isPumpRunning() [L55] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L73] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 189 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.6s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1135 SDtfs, 1572 SDslu, 1257 SDs, 0 SdLazy, 203 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 9 MinimizatonAttempts, 639 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 229 ConstructedInterpolants, 0 QuantifiedInterpolants, 13180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...