./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa894c4db149ffc20490feb4bd4b6a764b6f938d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:02:57,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:02:57,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:02:57,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:02:57,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:02:57,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:02:57,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:02:57,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:02:57,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:02:57,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:02:57,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:02:57,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:02:57,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:02:57,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:02:57,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:02:57,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:02:57,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:02:57,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:02:57,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:02:57,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:02:57,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:02:57,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:02:57,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:02:57,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:02:57,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:02:57,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:02:57,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:02:57,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:02:57,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:02:57,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:02:57,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:02:57,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:02:57,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:02:57,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:02:57,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:02:57,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:02:57,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:02:57,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:02:57,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:02:57,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:02:57,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:02:57,165 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:02:57,199 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:02:57,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:02:57,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:02:57,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:02:57,206 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:02:57,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:02:57,207 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:02:57,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:02:57,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:02:57,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:02:57,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:02:57,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:02:57,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:02:57,210 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:02:57,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:02:57,211 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:02:57,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:02:57,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:02:57,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:02:57,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:02:57,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:02:57,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:02:57,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:02:57,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:02:57,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:02:57,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:02:57,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:02:57,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:02:57,215 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:02:57,215 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 -> aa894c4db149ffc20490feb4bd4b6a764b6f938d [2020-07-28 19:02:57,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:02:57,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:02:57,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:02:57,607 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:02:57,609 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:02:57,610 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2020-07-28 19:02:57,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/997d4b9ab/353cf03e07c94ed480264c158dc61d8b/FLAGe5a532a99 [2020-07-28 19:02:58,168 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:02:58,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2020-07-28 19:02:58,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/997d4b9ab/353cf03e07c94ed480264c158dc61d8b/FLAGe5a532a99 [2020-07-28 19:02:58,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/997d4b9ab/353cf03e07c94ed480264c158dc61d8b [2020-07-28 19:02:58,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:02:58,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:02:58,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:02:58,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:02:58,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:02:58,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:02:58" (1/1) ... [2020-07-28 19:02:58,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ac7a739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:58, skipping insertion in model container [2020-07-28 19:02:58,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:02:58" (1/1) ... [2020-07-28 19:02:58,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:02:58,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:02:58,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:02:59,001 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:02:59,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:02:59,128 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:02:59,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59 WrapperNode [2020-07-28 19:02:59,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:02:59,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:02:59,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:02:59,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:02:59,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... [2020-07-28 19:02:59,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... [2020-07-28 19:02:59,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:02:59,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:02:59,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:02:59,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:02:59,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... [2020-07-28 19:02:59,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... [2020-07-28 19:02:59,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... [2020-07-28 19:02:59,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... [2020-07-28 19:02:59,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... [2020-07-28 19:02:59,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... [2020-07-28 19:02:59,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... [2020-07-28 19:02:59,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:02:59,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:02:59,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:02:59,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:02:59,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:02:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:02:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:02:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:02:59,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:03:00,570 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:03:00,571 INFO L295 CfgBuilder]: Removed 72 assume(true) statements. [2020-07-28 19:03:00,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:00 BoogieIcfgContainer [2020-07-28 19:03:00,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:03:00,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:03:00,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:03:00,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:03:00,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:02:58" (1/3) ... [2020-07-28 19:03:00,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b87b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:00, skipping insertion in model container [2020-07-28 19:03:00,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:02:59" (2/3) ... [2020-07-28 19:03:00,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b87b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:00, skipping insertion in model container [2020-07-28 19:03:00,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:00" (3/3) ... [2020-07-28 19:03:00,586 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product12.cil.c [2020-07-28 19:03:00,597 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:03:00,605 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:03:00,619 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:03:00,645 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:03:00,646 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:03:00,646 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:03:00,646 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:03:00,648 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:03:00,648 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:03:00,648 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:03:00,648 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:03:00,667 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2020-07-28 19:03:00,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:03:00,675 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:00,677 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:00,677 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:00,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:00,685 INFO L82 PathProgramCache]: Analyzing trace with hash 476294846, now seen corresponding path program 1 times [2020-07-28 19:03:00,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:00,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287943496] [2020-07-28 19:03:00,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:00,988 INFO L280 TraceCheckUtils]: 0: Hoare triple {62#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {62#true} is VALID [2020-07-28 19:03:00,989 INFO L280 TraceCheckUtils]: 1: Hoare triple {62#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; {62#true} is VALID [2020-07-28 19:03:00,990 INFO L280 TraceCheckUtils]: 2: Hoare triple {62#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {62#true} is VALID [2020-07-28 19:03:00,990 INFO L280 TraceCheckUtils]: 3: Hoare triple {62#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {62#true} is VALID [2020-07-28 19:03:00,991 INFO L280 TraceCheckUtils]: 4: Hoare triple {62#true} assume 0 != main_~tmp~3; {62#true} is VALID [2020-07-28 19:03:00,992 INFO L280 TraceCheckUtils]: 5: Hoare triple {62#true} havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {62#true} is VALID [2020-07-28 19:03:00,993 INFO L280 TraceCheckUtils]: 6: Hoare triple {62#true} assume false; {63#false} is VALID [2020-07-28 19:03:00,994 INFO L280 TraceCheckUtils]: 7: Hoare triple {63#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {63#false} is VALID [2020-07-28 19:03:00,995 INFO L280 TraceCheckUtils]: 8: Hoare triple {63#false} assume !(0 != ~pumpRunning~0); {63#false} is VALID [2020-07-28 19:03:00,995 INFO L280 TraceCheckUtils]: 9: Hoare triple {63#false} assume !(0 != ~systemActive~0); {63#false} is VALID [2020-07-28 19:03:00,995 INFO L280 TraceCheckUtils]: 10: Hoare triple {63#false} havoc __utac_acc__Specification4_spec__1_#t~ret10, __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {63#false} is VALID [2020-07-28 19:03:00,996 INFO L280 TraceCheckUtils]: 11: Hoare triple {63#false} __utac_acc__Specification4_spec__1_#t~ret10 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret10 && __utac_acc__Specification4_spec__1_#t~ret10 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret10;havoc __utac_acc__Specification4_spec__1_#t~ret10; {63#false} is VALID [2020-07-28 19:03:00,997 INFO L280 TraceCheckUtils]: 12: Hoare triple {63#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {63#false} is VALID [2020-07-28 19:03:00,997 INFO L280 TraceCheckUtils]: 13: Hoare triple {63#false} __utac_acc__Specification4_spec__1_#t~ret11 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11 && __utac_acc__Specification4_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; {63#false} is VALID [2020-07-28 19:03:00,997 INFO L280 TraceCheckUtils]: 14: Hoare triple {63#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {63#false} is VALID [2020-07-28 19:03:00,998 INFO L280 TraceCheckUtils]: 15: Hoare triple {63#false} assume !false; {63#false} is VALID [2020-07-28 19:03:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:01,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287943496] [2020-07-28 19:03:01,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:01,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:01,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602886608] [2020-07-28 19:03:01,013 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:01,015 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:01,019 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:03:01,063 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:01,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:03:01,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:01,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:03:01,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:03:01,076 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2020-07-28 19:03:01,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:01,261 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2020-07-28 19:03:01,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:03:01,261 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:01,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:01,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:01,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 167 transitions. [2020-07-28 19:03:01,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:01,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 167 transitions. [2020-07-28 19:03:01,283 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 167 transitions. [2020-07-28 19:03:01,534 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:01,559 INFO L225 Difference]: With dead ends: 112 [2020-07-28 19:03:01,559 INFO L226 Difference]: Without dead ends: 55 [2020-07-28 19:03:01,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:03:01,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-07-28 19:03:01,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-07-28 19:03:01,631 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:01,634 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 55 states. [2020-07-28 19:03:01,635 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 19:03:01,636 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 19:03:01,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:01,644 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-07-28 19:03:01,644 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-07-28 19:03:01,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:01,646 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:01,646 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 55 states. [2020-07-28 19:03:01,646 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 55 states. [2020-07-28 19:03:01,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:01,651 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-07-28 19:03:01,651 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-07-28 19:03:01,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:01,653 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:01,653 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:01,653 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:01,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-28 19:03:01,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-07-28 19:03:01,659 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-07-28 19:03:01,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:01,659 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-07-28 19:03:01,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:03:01,660 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-07-28 19:03:01,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:03:01,661 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:01,661 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:01,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:03:01,662 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:01,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:01,662 INFO L82 PathProgramCache]: Analyzing trace with hash -570462051, now seen corresponding path program 1 times [2020-07-28 19:03:01,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:01,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169882685] [2020-07-28 19:03:01,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:01,802 INFO L280 TraceCheckUtils]: 0: Hoare triple {416#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {416#true} is VALID [2020-07-28 19:03:01,802 INFO L280 TraceCheckUtils]: 1: Hoare triple {416#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; {416#true} is VALID [2020-07-28 19:03:01,803 INFO L280 TraceCheckUtils]: 2: Hoare triple {416#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {416#true} is VALID [2020-07-28 19:03:01,803 INFO L280 TraceCheckUtils]: 3: Hoare triple {416#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {416#true} is VALID [2020-07-28 19:03:01,803 INFO L280 TraceCheckUtils]: 4: Hoare triple {416#true} assume 0 != main_~tmp~3; {416#true} is VALID [2020-07-28 19:03:01,805 INFO L280 TraceCheckUtils]: 5: Hoare triple {416#true} havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {418#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:01,806 INFO L280 TraceCheckUtils]: 6: Hoare triple {418#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {418#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:01,807 INFO L280 TraceCheckUtils]: 7: Hoare triple {418#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {417#false} is VALID [2020-07-28 19:03:01,807 INFO L280 TraceCheckUtils]: 8: Hoare triple {417#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {417#false} is VALID [2020-07-28 19:03:01,807 INFO L280 TraceCheckUtils]: 9: Hoare triple {417#false} assume !(0 != ~pumpRunning~0); {417#false} is VALID [2020-07-28 19:03:01,808 INFO L280 TraceCheckUtils]: 10: Hoare triple {417#false} assume !(0 != ~systemActive~0); {417#false} is VALID [2020-07-28 19:03:01,808 INFO L280 TraceCheckUtils]: 11: Hoare triple {417#false} havoc __utac_acc__Specification4_spec__1_#t~ret10, __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {417#false} is VALID [2020-07-28 19:03:01,808 INFO L280 TraceCheckUtils]: 12: Hoare triple {417#false} __utac_acc__Specification4_spec__1_#t~ret10 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret10 && __utac_acc__Specification4_spec__1_#t~ret10 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret10;havoc __utac_acc__Specification4_spec__1_#t~ret10; {417#false} is VALID [2020-07-28 19:03:01,809 INFO L280 TraceCheckUtils]: 13: Hoare triple {417#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {417#false} is VALID [2020-07-28 19:03:01,809 INFO L280 TraceCheckUtils]: 14: Hoare triple {417#false} __utac_acc__Specification4_spec__1_#t~ret11 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11 && __utac_acc__Specification4_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; {417#false} is VALID [2020-07-28 19:03:01,809 INFO L280 TraceCheckUtils]: 15: Hoare triple {417#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {417#false} is VALID [2020-07-28 19:03:01,810 INFO L280 TraceCheckUtils]: 16: Hoare triple {417#false} assume !false; {417#false} is VALID [2020-07-28 19:03:01,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:01,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169882685] [2020-07-28 19:03:01,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:01,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:01,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205500918] [2020-07-28 19:03:01,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:01,815 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:01,815 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:01,848 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:01,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:01,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:01,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:01,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:01,849 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2020-07-28 19:03:02,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:02,139 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-07-28 19:03:02,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:02,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:02,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:02,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:02,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2020-07-28 19:03:02,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:02,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2020-07-28 19:03:02,145 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 75 transitions. [2020-07-28 19:03:02,252 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:02,254 INFO L225 Difference]: With dead ends: 55 [2020-07-28 19:03:02,254 INFO L226 Difference]: Without dead ends: 29 [2020-07-28 19:03:02,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:02,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-07-28 19:03:02,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-07-28 19:03:02,271 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:02,271 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 29 states. [2020-07-28 19:03:02,271 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-28 19:03:02,271 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-28 19:03:02,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:02,274 INFO L93 Difference]: Finished difference Result 29 states and 40 transitions. [2020-07-28 19:03:02,274 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-07-28 19:03:02,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:02,275 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:02,275 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-28 19:03:02,275 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-28 19:03:02,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:02,278 INFO L93 Difference]: Finished difference Result 29 states and 40 transitions. [2020-07-28 19:03:02,278 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-07-28 19:03:02,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:02,279 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:02,279 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:02,279 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-28 19:03:02,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-07-28 19:03:02,281 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-07-28 19:03:02,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:02,282 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-07-28 19:03:02,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:02,282 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-07-28 19:03:02,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:03:02,283 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:02,283 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:02,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:03:02,284 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:02,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:02,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2020-07-28 19:03:02,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:02,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687277074] [2020-07-28 19:03:02,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:02,376 INFO L280 TraceCheckUtils]: 0: Hoare triple {599#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {599#true} is VALID [2020-07-28 19:03:02,377 INFO L280 TraceCheckUtils]: 1: Hoare triple {599#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; {599#true} is VALID [2020-07-28 19:03:02,377 INFO L280 TraceCheckUtils]: 2: Hoare triple {599#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {599#true} is VALID [2020-07-28 19:03:02,377 INFO L280 TraceCheckUtils]: 3: Hoare triple {599#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {599#true} is VALID [2020-07-28 19:03:02,377 INFO L280 TraceCheckUtils]: 4: Hoare triple {599#true} assume 0 != main_~tmp~3; {599#true} is VALID [2020-07-28 19:03:02,378 INFO L280 TraceCheckUtils]: 5: Hoare triple {599#true} havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {599#true} is VALID [2020-07-28 19:03:02,378 INFO L280 TraceCheckUtils]: 6: Hoare triple {599#true} assume !false; {599#true} is VALID [2020-07-28 19:03:02,378 INFO L280 TraceCheckUtils]: 7: Hoare triple {599#true} assume test_~splverifierCounter~0 < 4; {599#true} is VALID [2020-07-28 19:03:02,379 INFO L280 TraceCheckUtils]: 8: Hoare triple {599#true} assume -2147483648 <= test_#t~nondet12 && test_#t~nondet12 <= 2147483647;test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; {599#true} is VALID [2020-07-28 19:03:02,379 INFO L280 TraceCheckUtils]: 9: Hoare triple {599#true} assume !(0 != test_~tmp~1); {599#true} is VALID [2020-07-28 19:03:02,379 INFO L280 TraceCheckUtils]: 10: Hoare triple {599#true} assume -2147483648 <= test_#t~nondet13 && test_#t~nondet13 <= 2147483647;test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; {599#true} is VALID [2020-07-28 19:03:02,380 INFO L280 TraceCheckUtils]: 11: Hoare triple {599#true} assume !(0 != test_~tmp___0~1); {599#true} is VALID [2020-07-28 19:03:02,380 INFO L280 TraceCheckUtils]: 12: Hoare triple {599#true} assume -2147483648 <= test_#t~nondet14 && test_#t~nondet14 <= 2147483647;test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; {599#true} is VALID [2020-07-28 19:03:02,381 INFO L280 TraceCheckUtils]: 13: Hoare triple {599#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {601#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:02,382 INFO L280 TraceCheckUtils]: 14: Hoare triple {601#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {601#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:02,383 INFO L280 TraceCheckUtils]: 15: Hoare triple {601#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {600#false} is VALID [2020-07-28 19:03:02,383 INFO L280 TraceCheckUtils]: 16: Hoare triple {600#false} havoc __utac_acc__Specification4_spec__1_#t~ret10, __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {600#false} is VALID [2020-07-28 19:03:02,384 INFO L280 TraceCheckUtils]: 17: Hoare triple {600#false} __utac_acc__Specification4_spec__1_#t~ret10 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret10 && __utac_acc__Specification4_spec__1_#t~ret10 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret10;havoc __utac_acc__Specification4_spec__1_#t~ret10; {600#false} is VALID [2020-07-28 19:03:02,384 INFO L280 TraceCheckUtils]: 18: Hoare triple {600#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {600#false} is VALID [2020-07-28 19:03:02,384 INFO L280 TraceCheckUtils]: 19: Hoare triple {600#false} __utac_acc__Specification4_spec__1_#t~ret11 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11 && __utac_acc__Specification4_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; {600#false} is VALID [2020-07-28 19:03:02,385 INFO L280 TraceCheckUtils]: 20: Hoare triple {600#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {600#false} is VALID [2020-07-28 19:03:02,385 INFO L280 TraceCheckUtils]: 21: Hoare triple {600#false} assume !false; {600#false} is VALID [2020-07-28 19:03:02,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:02,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687277074] [2020-07-28 19:03:02,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:02,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:02,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814605106] [2020-07-28 19:03:02,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:03:02,388 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:02,389 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:02,424 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:02,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:02,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:02,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:02,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:02,425 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2020-07-28 19:03:02,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:02,617 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2020-07-28 19:03:02,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:02,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:03:02,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:02,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:02,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 108 transitions. [2020-07-28 19:03:02,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:02,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 108 transitions. [2020-07-28 19:03:02,624 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 108 transitions. [2020-07-28 19:03:02,780 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:02,781 INFO L225 Difference]: With dead ends: 75 [2020-07-28 19:03:02,782 INFO L226 Difference]: Without dead ends: 52 [2020-07-28 19:03:02,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:02,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-07-28 19:03:02,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2020-07-28 19:03:02,814 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:02,815 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand 48 states. [2020-07-28 19:03:02,815 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 48 states. [2020-07-28 19:03:02,815 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 48 states. [2020-07-28 19:03:02,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:02,817 INFO L93 Difference]: Finished difference Result 52 states and 73 transitions. [2020-07-28 19:03:02,818 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 73 transitions. [2020-07-28 19:03:02,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:02,818 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:02,819 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 52 states. [2020-07-28 19:03:02,819 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 52 states. [2020-07-28 19:03:02,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:02,821 INFO L93 Difference]: Finished difference Result 52 states and 73 transitions. [2020-07-28 19:03:02,821 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 73 transitions. [2020-07-28 19:03:02,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:02,822 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:02,822 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:02,823 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:02,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-28 19:03:02,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-07-28 19:03:02,825 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-07-28 19:03:02,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:02,825 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-07-28 19:03:02,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:02,826 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-07-28 19:03:02,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:03:02,826 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:02,827 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:02,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:03:02,827 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:02,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:02,827 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2020-07-28 19:03:02,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:02,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105122054] [2020-07-28 19:03:02,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:02,942 INFO L280 TraceCheckUtils]: 0: Hoare triple {881#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {883#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:02,943 INFO L280 TraceCheckUtils]: 1: Hoare triple {883#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; {883#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:02,943 INFO L280 TraceCheckUtils]: 2: Hoare triple {883#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {883#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:02,944 INFO L280 TraceCheckUtils]: 3: Hoare triple {883#(= 1 ~waterLevel~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {883#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:02,945 INFO L280 TraceCheckUtils]: 4: Hoare triple {883#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~3; {883#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:02,946 INFO L280 TraceCheckUtils]: 5: Hoare triple {883#(= 1 ~waterLevel~0)} havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {883#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:02,948 INFO L280 TraceCheckUtils]: 6: Hoare triple {883#(= 1 ~waterLevel~0)} assume !false; {883#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:02,949 INFO L280 TraceCheckUtils]: 7: Hoare triple {883#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {883#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:02,950 INFO L280 TraceCheckUtils]: 8: Hoare triple {883#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet12 && test_#t~nondet12 <= 2147483647;test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; {883#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:02,951 INFO L280 TraceCheckUtils]: 9: Hoare triple {883#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~1); {883#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:02,951 INFO L280 TraceCheckUtils]: 10: Hoare triple {883#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet13 && test_#t~nondet13 <= 2147483647;test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; {883#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:02,952 INFO L280 TraceCheckUtils]: 11: Hoare triple {883#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {883#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:02,953 INFO L280 TraceCheckUtils]: 12: Hoare triple {883#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet14 && test_#t~nondet14 <= 2147483647;test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; {883#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:02,954 INFO L280 TraceCheckUtils]: 13: Hoare triple {883#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {883#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:02,954 INFO L280 TraceCheckUtils]: 14: Hoare triple {883#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {883#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:02,955 INFO L280 TraceCheckUtils]: 15: Hoare triple {883#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0; {883#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:02,956 INFO L280 TraceCheckUtils]: 16: Hoare triple {883#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret10, __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {884#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:03:02,957 INFO L280 TraceCheckUtils]: 17: Hoare triple {884#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret10 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret10 && __utac_acc__Specification4_spec__1_#t~ret10 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret10;havoc __utac_acc__Specification4_spec__1_#t~ret10; {885#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0)} is VALID [2020-07-28 19:03:02,958 INFO L280 TraceCheckUtils]: 18: Hoare triple {885#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {882#false} is VALID [2020-07-28 19:03:02,958 INFO L280 TraceCheckUtils]: 19: Hoare triple {882#false} __utac_acc__Specification4_spec__1_#t~ret11 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11 && __utac_acc__Specification4_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; {882#false} is VALID [2020-07-28 19:03:02,959 INFO L280 TraceCheckUtils]: 20: Hoare triple {882#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {882#false} is VALID [2020-07-28 19:03:02,959 INFO L280 TraceCheckUtils]: 21: Hoare triple {882#false} assume !false; {882#false} is VALID [2020-07-28 19:03:02,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:02,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105122054] [2020-07-28 19:03:02,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:02,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:03:02,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075731883] [2020-07-28 19:03:02,962 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 19:03:02,962 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:02,962 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:03:02,995 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:02,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:03:02,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:02,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:03:02,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:02,996 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2020-07-28 19:03:03,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:03,539 INFO L93 Difference]: Finished difference Result 169 states and 257 transitions. [2020-07-28 19:03:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:03:03,539 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-28 19:03:03,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:03,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:03,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 151 transitions. [2020-07-28 19:03:03,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:03,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 151 transitions. [2020-07-28 19:03:03,546 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 151 transitions. [2020-07-28 19:03:03,735 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 151 edges. 151 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:03,741 INFO L225 Difference]: With dead ends: 169 [2020-07-28 19:03:03,741 INFO L226 Difference]: Without dead ends: 127 [2020-07-28 19:03:03,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:03:03,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-28 19:03:03,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2020-07-28 19:03:03,816 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:03,816 INFO L82 GeneralOperation]: Start isEquivalent. First operand 127 states. Second operand 84 states. [2020-07-28 19:03:03,816 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 84 states. [2020-07-28 19:03:03,816 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 84 states. [2020-07-28 19:03:03,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:03,822 INFO L93 Difference]: Finished difference Result 127 states and 185 transitions. [2020-07-28 19:03:03,822 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 185 transitions. [2020-07-28 19:03:03,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:03,823 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:03,824 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 127 states. [2020-07-28 19:03:03,824 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 127 states. [2020-07-28 19:03:03,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:03,830 INFO L93 Difference]: Finished difference Result 127 states and 185 transitions. [2020-07-28 19:03:03,830 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 185 transitions. [2020-07-28 19:03:03,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:03,831 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:03,831 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:03,831 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:03,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-07-28 19:03:03,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2020-07-28 19:03:03,835 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 22 [2020-07-28 19:03:03,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:03,835 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2020-07-28 19:03:03,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:03:03,835 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2020-07-28 19:03:03,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-28 19:03:03,836 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:03,836 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:03,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:03:03,837 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:03,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:03,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1805520562, now seen corresponding path program 1 times [2020-07-28 19:03:03,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:03,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591536627] [2020-07-28 19:03:03,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:03,913 INFO L280 TraceCheckUtils]: 0: Hoare triple {1509#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,914 INFO L280 TraceCheckUtils]: 1: Hoare triple {1511#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,915 INFO L280 TraceCheckUtils]: 2: Hoare triple {1511#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,915 INFO L280 TraceCheckUtils]: 3: Hoare triple {1511#(= 0 ~pumpRunning~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,916 INFO L280 TraceCheckUtils]: 4: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~3; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,916 INFO L280 TraceCheckUtils]: 5: Hoare triple {1511#(= 0 ~pumpRunning~0)} havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,917 INFO L280 TraceCheckUtils]: 6: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume !false; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,917 INFO L280 TraceCheckUtils]: 7: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,918 INFO L280 TraceCheckUtils]: 8: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet12 && test_#t~nondet12 <= 2147483647;test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,919 INFO L280 TraceCheckUtils]: 9: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp~1; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,919 INFO L280 TraceCheckUtils]: 10: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,920 INFO L280 TraceCheckUtils]: 11: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet13 && test_#t~nondet13 <= 2147483647;test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,920 INFO L280 TraceCheckUtils]: 12: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,921 INFO L280 TraceCheckUtils]: 13: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet14 && test_#t~nondet14 <= 2147483647;test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,921 INFO L280 TraceCheckUtils]: 14: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,922 INFO L280 TraceCheckUtils]: 15: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,923 INFO L280 TraceCheckUtils]: 16: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,923 INFO L280 TraceCheckUtils]: 17: Hoare triple {1511#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification4_spec__1_#t~ret10, __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,924 INFO L280 TraceCheckUtils]: 18: Hoare triple {1511#(= 0 ~pumpRunning~0)} __utac_acc__Specification4_spec__1_#t~ret10 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret10 && __utac_acc__Specification4_spec__1_#t~ret10 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret10;havoc __utac_acc__Specification4_spec__1_#t~ret10; {1511#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:03,924 INFO L280 TraceCheckUtils]: 19: Hoare triple {1511#(= 0 ~pumpRunning~0)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {1512#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:03:03,925 INFO L280 TraceCheckUtils]: 20: Hoare triple {1512#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification4_spec__1_#t~ret11 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret11 && __utac_acc__Specification4_spec__1_#t~ret11 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; {1513#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~0)} is VALID [2020-07-28 19:03:03,926 INFO L280 TraceCheckUtils]: 21: Hoare triple {1513#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~0)} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {1510#false} is VALID [2020-07-28 19:03:03,926 INFO L280 TraceCheckUtils]: 22: Hoare triple {1510#false} assume !false; {1510#false} is VALID [2020-07-28 19:03:03,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:03:03,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591536627] [2020-07-28 19:03:03,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:03,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:03:03,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121151561] [2020-07-28 19:03:03,928 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 19:03:03,929 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:03,929 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:03:03,958 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:03,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:03:03,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:03,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:03:03,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:03,959 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand 5 states. [2020-07-28 19:03:04,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:04,601 INFO L93 Difference]: Finished difference Result 220 states and 323 transitions. [2020-07-28 19:03:04,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:03:04,601 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-07-28 19:03:04,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:04,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:04,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 124 transitions. [2020-07-28 19:03:04,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:04,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 124 transitions. [2020-07-28 19:03:04,606 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 124 transitions. [2020-07-28 19:03:04,749 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:04,749 INFO L225 Difference]: With dead ends: 220 [2020-07-28 19:03:04,749 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:03:04,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:03:04,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:03:04,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:03:04,752 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:04,752 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:04,752 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:04,753 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:04,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:04,753 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:04,753 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:04,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:04,753 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:04,753 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:04,754 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:04,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:04,754 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:04,754 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:04,754 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:04,754 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:04,754 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:04,755 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:03:04,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:03:04,755 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-07-28 19:03:04,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:04,755 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:03:04,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:03:04,755 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:04,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:04,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:03:04,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:03:05,037 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2020-07-28 19:03:05,038 INFO L268 CegarLoopResult]: For program point L52(lines 52 56) no Hoare annotation was computed. [2020-07-28 19:03:05,038 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-28 19:03:05,038 INFO L268 CegarLoopResult]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2020-07-28 19:03:05,038 INFO L271 CegarLoopResult]: At program point L498-1(lines 498 505) the Hoare annotation is: true [2020-07-28 19:03:05,038 INFO L268 CegarLoopResult]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2020-07-28 19:03:05,038 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:03:05,038 INFO L264 CegarLoopResult]: At program point L218(lines 167 219) the Hoare annotation is: false [2020-07-28 19:03:05,038 INFO L268 CegarLoopResult]: For program point L169(lines 168 217) no Hoare annotation was computed. [2020-07-28 19:03:05,038 INFO L268 CegarLoopResult]: For program point L136(lines 136 149) no Hoare annotation was computed. [2020-07-28 19:03:05,039 INFO L264 CegarLoopResult]: At program point L136-1(lines 1 885) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 19:03:05,039 INFO L268 CegarLoopResult]: For program point L136-2(lines 136 149) no Hoare annotation was computed. [2020-07-28 19:03:05,039 INFO L264 CegarLoopResult]: At program point L136-3(lines 1 885) the Hoare annotation is: false [2020-07-28 19:03:05,039 INFO L268 CegarLoopResult]: For program point L136-4(lines 136 149) no Hoare annotation was computed. [2020-07-28 19:03:05,039 INFO L264 CegarLoopResult]: At program point L136-5(lines 1 885) the Hoare annotation is: false [2020-07-28 19:03:05,039 INFO L268 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-07-28 19:03:05,039 INFO L264 CegarLoopResult]: At program point L121(lines 116 124) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 19:03:05,040 INFO L264 CegarLoopResult]: At program point L121-1(lines 116 124) the Hoare annotation is: false [2020-07-28 19:03:05,040 INFO L264 CegarLoopResult]: At program point L121-2(lines 116 124) the Hoare annotation is: false [2020-07-28 19:03:05,040 INFO L264 CegarLoopResult]: At program point L237(lines 236 255) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 19:03:05,041 INFO L268 CegarLoopResult]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2020-07-28 19:03:05,041 INFO L264 CegarLoopResult]: At program point L237-2(lines 236 255) the Hoare annotation is: false [2020-07-28 19:03:05,041 INFO L264 CegarLoopResult]: At program point L237-3(lines 236 255) the Hoare annotation is: false [2020-07-28 19:03:05,041 INFO L268 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2020-07-28 19:03:05,041 INFO L264 CegarLoopResult]: At program point L188-1(lines 188 194) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 19:03:05,041 INFO L264 CegarLoopResult]: At program point L403(lines 1 885) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:05,041 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-28 19:03:05,041 INFO L268 CegarLoopResult]: For program point L882-1(line 882) no Hoare annotation was computed. [2020-07-28 19:03:05,041 INFO L268 CegarLoopResult]: For program point L882-2(line 882) no Hoare annotation was computed. [2020-07-28 19:03:05,041 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-07-28 19:03:05,042 INFO L264 CegarLoopResult]: At program point L206-1(lines 237 243) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 19:03:05,042 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-07-28 19:03:05,042 INFO L268 CegarLoopResult]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2020-07-28 19:03:05,042 INFO L268 CegarLoopResult]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2020-07-28 19:03:05,042 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:03:05,042 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2020-07-28 19:03:05,043 INFO L268 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2020-07-28 19:03:05,043 INFO L268 CegarLoopResult]: For program point L358(lines 358 364) no Hoare annotation was computed. [2020-07-28 19:03:05,043 INFO L264 CegarLoopResult]: At program point L358-1(lines 358 364) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 19:03:05,043 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:03:05,043 INFO L271 CegarLoopResult]: At program point L507(lines 488 510) the Hoare annotation is: true [2020-07-28 19:03:05,043 INFO L264 CegarLoopResult]: At program point L475(lines 471 477) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:05,043 INFO L264 CegarLoopResult]: At program point L244(lines 244 250) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 19:03:05,043 INFO L264 CegarLoopResult]: At program point L244-1(lines 244 250) the Hoare annotation is: false [2020-07-28 19:03:05,043 INFO L268 CegarLoopResult]: For program point L178(lines 178 184) no Hoare annotation was computed. [2020-07-28 19:03:05,043 INFO L264 CegarLoopResult]: At program point L244-2(lines 244 250) the Hoare annotation is: false [2020-07-28 19:03:05,044 INFO L264 CegarLoopResult]: At program point L178-1(lines 178 184) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 19:03:05,044 INFO L264 CegarLoopResult]: At program point L427-2(lines 427 441) the Hoare annotation is: false [2020-07-28 19:03:05,044 INFO L268 CegarLoopResult]: For program point L64(lines 64 68) no Hoare annotation was computed. [2020-07-28 19:03:05,044 INFO L264 CegarLoopResult]: At program point L411(lines 406 414) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:05,044 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-28 19:03:05,044 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:03:05,044 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2020-07-28 19:03:05,044 INFO L268 CegarLoopResult]: For program point L198(lines 198 213) no Hoare annotation was computed. [2020-07-28 19:03:05,044 INFO L264 CegarLoopResult]: At program point L314(lines 309 317) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0)) [2020-07-28 19:03:05,045 INFO L264 CegarLoopResult]: At program point L314-1(lines 309 317) the Hoare annotation is: false [2020-07-28 19:03:05,045 INFO L264 CegarLoopResult]: At program point L314-2(lines 309 317) the Hoare annotation is: false [2020-07-28 19:03:05,045 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-07-28 19:03:05,045 INFO L268 CegarLoopResult]: For program point L431-1(lines 237 243) no Hoare annotation was computed. [2020-07-28 19:03:05,049 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:03:05,050 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:03:05,052 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2020-07-28 19:03:05,052 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2020-07-28 19:03:05,052 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2020-07-28 19:03:05,054 WARN L170 areAnnotationChecker]: L169 has no Hoare annotation [2020-07-28 19:03:05,054 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:05,054 WARN L170 areAnnotationChecker]: L237-1 has no Hoare annotation [2020-07-28 19:03:05,054 WARN L170 areAnnotationChecker]: L169 has no Hoare annotation [2020-07-28 19:03:05,054 WARN L170 areAnnotationChecker]: L169 has no Hoare annotation [2020-07-28 19:03:05,054 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:05,054 WARN L170 areAnnotationChecker]: L237-1 has no Hoare annotation [2020-07-28 19:03:05,055 WARN L170 areAnnotationChecker]: L237-1 has no Hoare annotation [2020-07-28 19:03:05,055 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-28 19:03:05,055 WARN L170 areAnnotationChecker]: L52-3 has no Hoare annotation [2020-07-28 19:03:05,055 WARN L170 areAnnotationChecker]: L52-3 has no Hoare annotation [2020-07-28 19:03:05,055 WARN L170 areAnnotationChecker]: L178 has no Hoare annotation [2020-07-28 19:03:05,055 WARN L170 areAnnotationChecker]: L178 has no Hoare annotation [2020-07-28 19:03:05,055 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 19:03:05,055 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-28 19:03:05,055 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 19:03:05,055 WARN L170 areAnnotationChecker]: L136-2 has no Hoare annotation [2020-07-28 19:03:05,056 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 19:03:05,056 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2020-07-28 19:03:05,056 WARN L170 areAnnotationChecker]: L136-2 has no Hoare annotation [2020-07-28 19:03:05,056 WARN L170 areAnnotationChecker]: L136-2 has no Hoare annotation [2020-07-28 19:03:05,056 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-28 19:03:05,056 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-28 19:03:05,056 WARN L170 areAnnotationChecker]: L198 has no Hoare annotation [2020-07-28 19:03:05,056 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2020-07-28 19:03:05,056 WARN L170 areAnnotationChecker]: L198 has no Hoare annotation [2020-07-28 19:03:05,057 WARN L170 areAnnotationChecker]: L198 has no Hoare annotation [2020-07-28 19:03:05,057 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2020-07-28 19:03:05,057 WARN L170 areAnnotationChecker]: L140-2 has no Hoare annotation [2020-07-28 19:03:05,057 WARN L170 areAnnotationChecker]: L428 has no Hoare annotation [2020-07-28 19:03:05,057 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 19:03:05,058 WARN L170 areAnnotationChecker]: L206 has no Hoare annotation [2020-07-28 19:03:05,058 WARN L170 areAnnotationChecker]: L206 has no Hoare annotation [2020-07-28 19:03:05,059 WARN L170 areAnnotationChecker]: L882-1 has no Hoare annotation [2020-07-28 19:03:05,059 WARN L170 areAnnotationChecker]: L882-1 has no Hoare annotation [2020-07-28 19:03:05,059 WARN L170 areAnnotationChecker]: L428 has no Hoare annotation [2020-07-28 19:03:05,059 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 19:03:05,059 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2020-07-28 19:03:05,060 WARN L170 areAnnotationChecker]: L358 has no Hoare annotation [2020-07-28 19:03:05,060 WARN L170 areAnnotationChecker]: L358 has no Hoare annotation [2020-07-28 19:03:05,060 WARN L170 areAnnotationChecker]: L431 has no Hoare annotation [2020-07-28 19:03:05,060 WARN L170 areAnnotationChecker]: L431 has no Hoare annotation [2020-07-28 19:03:05,061 WARN L170 areAnnotationChecker]: L431-1 has no Hoare annotation [2020-07-28 19:03:05,061 WARN L170 areAnnotationChecker]: L431-1 has no Hoare annotation [2020-07-28 19:03:05,061 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-28 19:03:05,061 WARN L170 areAnnotationChecker]: L52-6 has no Hoare annotation [2020-07-28 19:03:05,061 WARN L170 areAnnotationChecker]: L52-6 has no Hoare annotation [2020-07-28 19:03:05,061 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-28 19:03:05,061 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-28 19:03:05,062 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2020-07-28 19:03:05,062 WARN L170 areAnnotationChecker]: L136-4 has no Hoare annotation [2020-07-28 19:03:05,062 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2020-07-28 19:03:05,062 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2020-07-28 19:03:05,062 WARN L170 areAnnotationChecker]: L136-4 has no Hoare annotation [2020-07-28 19:03:05,062 WARN L170 areAnnotationChecker]: L136-4 has no Hoare annotation [2020-07-28 19:03:05,062 WARN L170 areAnnotationChecker]: L882 has no Hoare annotation [2020-07-28 19:03:05,062 WARN L170 areAnnotationChecker]: L882 has no Hoare annotation [2020-07-28 19:03:05,062 WARN L170 areAnnotationChecker]: L140-4 has no Hoare annotation [2020-07-28 19:03:05,063 WARN L170 areAnnotationChecker]: L140-4 has no Hoare annotation [2020-07-28 19:03:05,063 WARN L170 areAnnotationChecker]: L140-4 has no Hoare annotation [2020-07-28 19:03:05,063 WARN L170 areAnnotationChecker]: L882-2 has no Hoare annotation [2020-07-28 19:03:05,063 WARN L170 areAnnotationChecker]: L882-2 has no Hoare annotation [2020-07-28 19:03:05,063 INFO L163 areAnnotationChecker]: CFG has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:03:05,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:03:05 BoogieIcfgContainer [2020-07-28 19:03:05,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:03:05,080 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:03:05,080 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:03:05,081 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:03:05,081 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:00" (3/4) ... [2020-07-28 19:03:05,088 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:03:05,111 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:03:05,111 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:03:05,112 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:03:05,112 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:03:05,113 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:03:05,113 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:05,114 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:05,142 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning [2020-07-28 19:03:05,224 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:03:05,224 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:03:05,227 INFO L168 Benchmark]: Toolchain (without parser) took 6731.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.1 MB). Free memory was 956.2 MB in the beginning and 874.2 MB in the end (delta: 82.0 MB). Peak memory consumption was 300.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:05,227 INFO L168 Benchmark]: CDTParser took 0.90 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:03:05,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -174.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:05,228 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:05,228 INFO L168 Benchmark]: Boogie Preprocessor took 45.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:03:05,229 INFO L168 Benchmark]: RCFGBuilder took 1307.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 123.7 MB). Peak memory consumption was 123.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:05,229 INFO L168 Benchmark]: TraceAbstraction took 4502.18 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.0 GB in the beginning and 881.8 MB in the end (delta: 118.5 MB). Peak memory consumption was 187.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:05,230 INFO L168 Benchmark]: Witness Printer took 143.75 ms. Allocated memory is still 1.2 GB. Free memory was 881.8 MB in the beginning and 874.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:05,232 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 0.90 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 632.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -174.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.03 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 45.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1307.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 123.7 MB). Peak memory consumption was 123.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4502.18 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.0 GB in the beginning and 881.8 MB in the end (delta: 118.5 MB). Peak memory consumption was 187.2 MB. Max. memory is 11.5 GB. * Witness Printer took 143.75 ms. Allocated memory is still 1.2 GB. Free memory was 881.8 MB in the beginning and 874.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 882]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 882]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 882]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == \result) && 0 == pumpRunning - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 268 SDtfs, 256 SDslu, 230 SDs, 0 SdLazy, 52 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 47 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 88 NumberOfFragments, 110 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1297 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 3675 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...