./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product34.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 5f0a99b238839eec8a869cf6a8a47d3d1cc483bf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 19:01:36,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:36,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:36,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:36,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:36,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:36,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:36,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:36,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:36,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:36,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:36,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:36,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:36,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:36,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:36,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:36,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:36,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:36,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:36,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:36,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:36,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:36,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:36,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:36,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:36,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:36,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:36,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:36,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:36,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:36,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:36,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:36,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:36,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:36,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:36,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:36,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:36,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:36,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:36,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:36,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:36,849 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:36,865 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:36,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:36,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:36,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:36,867 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:36,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:36,868 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:36,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:36,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:36,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:36,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:36,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:36,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:36,869 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:36,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:36,870 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:36,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:36,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:36,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:36,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:36,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:36,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:36,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:36,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:36,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:36,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:36,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:36,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:36,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:36,873 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 -> 5f0a99b238839eec8a869cf6a8a47d3d1cc483bf [2020-07-28 19:01:37,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:37,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:37,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:37,203 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:37,205 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:37,206 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2020-07-28 19:01:37,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f441c17c/06e2914e40644295be1a74697494d440/FLAGdc32a1536 [2020-07-28 19:01:37,788 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:37,789 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2020-07-28 19:01:37,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f441c17c/06e2914e40644295be1a74697494d440/FLAGdc32a1536 [2020-07-28 19:01:38,115 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f441c17c/06e2914e40644295be1a74697494d440 [2020-07-28 19:01:38,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:38,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:38,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:38,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:38,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:38,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:38" (1/1) ... [2020-07-28 19:01:38,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b56b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:38, skipping insertion in model container [2020-07-28 19:01:38,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:38" (1/1) ... [2020-07-28 19:01:38,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:38,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:38,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:38,664 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:38,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:38,836 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:38,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:38 WrapperNode [2020-07-28 19:01:38,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:38,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:38,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:38,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:38,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:38" (1/1) ... [2020-07-28 19:01:38,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:38" (1/1) ... [2020-07-28 19:01:38,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:38,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:38,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:38,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:38,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:38" (1/1) ... [2020-07-28 19:01:38,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:38" (1/1) ... [2020-07-28 19:01:38,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:38" (1/1) ... [2020-07-28 19:01:38,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:38" (1/1) ... [2020-07-28 19:01:38,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:38" (1/1) ... [2020-07-28 19:01:38,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:38" (1/1) ... [2020-07-28 19:01:38,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:38" (1/1) ... [2020-07-28 19:01:38,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:38,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:38,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:38,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:38,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:39,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:39,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:40,459 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:40,460 INFO L295 CfgBuilder]: Removed 104 assume(true) statements. [2020-07-28 19:01:40,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:40 BoogieIcfgContainer [2020-07-28 19:01:40,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:40,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:40,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:40,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:40,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:38" (1/3) ... [2020-07-28 19:01:40,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f5003e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:40, skipping insertion in model container [2020-07-28 19:01:40,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:38" (2/3) ... [2020-07-28 19:01:40,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f5003e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:40, skipping insertion in model container [2020-07-28 19:01:40,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:40" (3/3) ... [2020-07-28 19:01:40,476 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2020-07-28 19:01:40,488 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:40,497 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:40,512 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:40,539 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:40,539 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:40,539 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:40,540 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:40,540 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:40,540 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:40,541 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:40,541 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:40,562 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2020-07-28 19:01:40,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:40,569 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:40,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:40,570 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:40,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:40,576 INFO L82 PathProgramCache]: Analyzing trace with hash 143052540, now seen corresponding path program 1 times [2020-07-28 19:01:40,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:40,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147674054] [2020-07-28 19:01:40,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:40,886 INFO L280 TraceCheckUtils]: 0: Hoare triple {87#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);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(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {87#true} is VALID [2020-07-28 19:01:40,886 INFO L280 TraceCheckUtils]: 1: Hoare triple {87#true} havoc main_#res;havoc main_#t~ret4, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {87#true} is VALID [2020-07-28 19:01:40,887 INFO L280 TraceCheckUtils]: 2: Hoare triple {87#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {87#true} is VALID [2020-07-28 19:01:40,888 INFO L280 TraceCheckUtils]: 3: Hoare triple {87#true} main_#t~ret4 := valid_product_#res;assume -2147483648 <= main_#t~ret4 && main_#t~ret4 <= 2147483647;main_~tmp~1 := main_#t~ret4;havoc main_#t~ret4; {87#true} is VALID [2020-07-28 19:01:40,888 INFO L280 TraceCheckUtils]: 4: Hoare triple {87#true} assume 0 != main_~tmp~1; {87#true} is VALID [2020-07-28 19:01:40,889 INFO L280 TraceCheckUtils]: 5: Hoare triple {87#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {87#true} is VALID [2020-07-28 19:01:40,891 INFO L280 TraceCheckUtils]: 6: Hoare triple {87#true} assume false; {88#false} is VALID [2020-07-28 19:01:40,891 INFO L280 TraceCheckUtils]: 7: Hoare triple {88#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {88#false} is VALID [2020-07-28 19:01:40,892 INFO L280 TraceCheckUtils]: 8: Hoare triple {88#false} assume !(0 != ~pumpRunning~0); {88#false} is VALID [2020-07-28 19:01:40,893 INFO L280 TraceCheckUtils]: 9: Hoare triple {88#false} assume !(0 != ~systemActive~0); {88#false} is VALID [2020-07-28 19:01:40,893 INFO L280 TraceCheckUtils]: 10: Hoare triple {88#false} havoc __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {88#false} is VALID [2020-07-28 19:01:40,893 INFO L280 TraceCheckUtils]: 11: Hoare triple {88#false} __utac_acc__Specification3_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret59 && __utac_acc__Specification3_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; {88#false} is VALID [2020-07-28 19:01:40,894 INFO L280 TraceCheckUtils]: 12: Hoare triple {88#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {88#false} is VALID [2020-07-28 19:01:40,895 INFO L280 TraceCheckUtils]: 13: Hoare triple {88#false} __utac_acc__Specification3_spec__1_#t~ret60 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret60 && __utac_acc__Specification3_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret60;havoc __utac_acc__Specification3_spec__1_#t~ret60; {88#false} is VALID [2020-07-28 19:01:40,895 INFO L280 TraceCheckUtils]: 14: Hoare triple {88#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {88#false} is VALID [2020-07-28 19:01:40,896 INFO L280 TraceCheckUtils]: 15: Hoare triple {88#false} __utac_acc__Specification3_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret61 && __utac_acc__Specification3_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret61;havoc __utac_acc__Specification3_spec__1_#t~ret61; {88#false} is VALID [2020-07-28 19:01:40,896 INFO L280 TraceCheckUtils]: 16: Hoare triple {88#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {88#false} is VALID [2020-07-28 19:01:40,897 INFO L280 TraceCheckUtils]: 17: Hoare triple {88#false} assume !false; {88#false} is VALID [2020-07-28 19:01:40,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:40,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147674054] [2020-07-28 19:01:40,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:40,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:40,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639007232] [2020-07-28 19:01:40,913 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:40,915 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:40,920 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:40,976 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:40,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:40,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:40,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:40,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:40,994 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2020-07-28 19:01:41,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:41,266 INFO L93 Difference]: Finished difference Result 162 states and 245 transitions. [2020-07-28 19:01:41,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:41,266 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:41,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:41,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:41,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 245 transitions. [2020-07-28 19:01:41,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:41,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 245 transitions. [2020-07-28 19:01:41,289 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 245 transitions. [2020-07-28 19:01:41,620 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 245 edges. 245 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:41,637 INFO L225 Difference]: With dead ends: 162 [2020-07-28 19:01:41,637 INFO L226 Difference]: Without dead ends: 80 [2020-07-28 19:01:41,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:41,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-07-28 19:01:41,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-07-28 19:01:41,700 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:41,701 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand 80 states. [2020-07-28 19:01:41,702 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2020-07-28 19:01:41,702 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2020-07-28 19:01:41,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:41,709 INFO L93 Difference]: Finished difference Result 80 states and 114 transitions. [2020-07-28 19:01:41,710 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2020-07-28 19:01:41,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:41,711 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:41,712 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2020-07-28 19:01:41,712 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2020-07-28 19:01:41,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:41,720 INFO L93 Difference]: Finished difference Result 80 states and 114 transitions. [2020-07-28 19:01:41,720 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2020-07-28 19:01:41,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:41,721 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:41,722 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:41,722 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:41,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-07-28 19:01:41,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2020-07-28 19:01:41,730 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 18 [2020-07-28 19:01:41,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:41,731 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2020-07-28 19:01:41,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:41,732 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2020-07-28 19:01:41,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:41,733 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:41,733 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:41,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:41,734 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:41,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:41,735 INFO L82 PathProgramCache]: Analyzing trace with hash -767978213, now seen corresponding path program 1 times [2020-07-28 19:01:41,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:41,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924686307] [2020-07-28 19:01:41,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:41,916 INFO L280 TraceCheckUtils]: 0: Hoare triple {590#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);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(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {590#true} is VALID [2020-07-28 19:01:41,917 INFO L280 TraceCheckUtils]: 1: Hoare triple {590#true} havoc main_#res;havoc main_#t~ret4, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {590#true} is VALID [2020-07-28 19:01:41,917 INFO L280 TraceCheckUtils]: 2: Hoare triple {590#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {590#true} is VALID [2020-07-28 19:01:41,917 INFO L280 TraceCheckUtils]: 3: Hoare triple {590#true} main_#t~ret4 := valid_product_#res;assume -2147483648 <= main_#t~ret4 && main_#t~ret4 <= 2147483647;main_~tmp~1 := main_#t~ret4;havoc main_#t~ret4; {590#true} is VALID [2020-07-28 19:01:41,918 INFO L280 TraceCheckUtils]: 4: Hoare triple {590#true} assume 0 != main_~tmp~1; {590#true} is VALID [2020-07-28 19:01:41,919 INFO L280 TraceCheckUtils]: 5: Hoare triple {590#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {592#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:41,920 INFO L280 TraceCheckUtils]: 6: Hoare triple {592#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {592#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:41,921 INFO L280 TraceCheckUtils]: 7: Hoare triple {592#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {591#false} is VALID [2020-07-28 19:01:41,922 INFO L280 TraceCheckUtils]: 8: Hoare triple {591#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {591#false} is VALID [2020-07-28 19:01:41,922 INFO L280 TraceCheckUtils]: 9: Hoare triple {591#false} assume !(0 != ~pumpRunning~0); {591#false} is VALID [2020-07-28 19:01:41,922 INFO L280 TraceCheckUtils]: 10: Hoare triple {591#false} assume !(0 != ~systemActive~0); {591#false} is VALID [2020-07-28 19:01:41,923 INFO L280 TraceCheckUtils]: 11: Hoare triple {591#false} havoc __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {591#false} is VALID [2020-07-28 19:01:41,923 INFO L280 TraceCheckUtils]: 12: Hoare triple {591#false} __utac_acc__Specification3_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret59 && __utac_acc__Specification3_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; {591#false} is VALID [2020-07-28 19:01:41,923 INFO L280 TraceCheckUtils]: 13: Hoare triple {591#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {591#false} is VALID [2020-07-28 19:01:41,924 INFO L280 TraceCheckUtils]: 14: Hoare triple {591#false} __utac_acc__Specification3_spec__1_#t~ret60 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret60 && __utac_acc__Specification3_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret60;havoc __utac_acc__Specification3_spec__1_#t~ret60; {591#false} is VALID [2020-07-28 19:01:41,924 INFO L280 TraceCheckUtils]: 15: Hoare triple {591#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {591#false} is VALID [2020-07-28 19:01:41,924 INFO L280 TraceCheckUtils]: 16: Hoare triple {591#false} __utac_acc__Specification3_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret61 && __utac_acc__Specification3_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret61;havoc __utac_acc__Specification3_spec__1_#t~ret61; {591#false} is VALID [2020-07-28 19:01:41,925 INFO L280 TraceCheckUtils]: 17: Hoare triple {591#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {591#false} is VALID [2020-07-28 19:01:41,925 INFO L280 TraceCheckUtils]: 18: Hoare triple {591#false} assume !false; {591#false} is VALID [2020-07-28 19:01:41,927 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 19:01:41,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924686307] [2020-07-28 19:01:41,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:41,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:41,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151009923] [2020-07-28 19:01:41,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:41,931 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:41,931 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:41,962 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:41,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:41,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:41,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:41,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:41,963 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand 3 states. [2020-07-28 19:01:42,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:42,256 INFO L93 Difference]: Finished difference Result 80 states and 114 transitions. [2020-07-28 19:01:42,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:42,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:42,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:42,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:42,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 114 transitions. [2020-07-28 19:01:42,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:42,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 114 transitions. [2020-07-28 19:01:42,262 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 114 transitions. [2020-07-28 19:01:42,433 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:42,434 INFO L225 Difference]: With dead ends: 80 [2020-07-28 19:01:42,435 INFO L226 Difference]: Without dead ends: 36 [2020-07-28 19:01:42,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:42,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-07-28 19:01:42,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-07-28 19:01:42,452 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:42,452 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand 36 states. [2020-07-28 19:01:42,452 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2020-07-28 19:01:42,452 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2020-07-28 19:01:42,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:42,455 INFO L93 Difference]: Finished difference Result 36 states and 51 transitions. [2020-07-28 19:01:42,455 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2020-07-28 19:01:42,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:42,456 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:42,456 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2020-07-28 19:01:42,456 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2020-07-28 19:01:42,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:42,458 INFO L93 Difference]: Finished difference Result 36 states and 51 transitions. [2020-07-28 19:01:42,459 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2020-07-28 19:01:42,459 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:42,460 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:42,460 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:42,460 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:42,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-07-28 19:01:42,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 51 transitions. [2020-07-28 19:01:42,462 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 51 transitions. Word has length 19 [2020-07-28 19:01:42,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:42,463 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 51 transitions. [2020-07-28 19:01:42,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:42,463 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2020-07-28 19:01:42,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:42,464 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:42,464 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:42,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:42,465 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:42,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:42,466 INFO L82 PathProgramCache]: Analyzing trace with hash 459341460, now seen corresponding path program 1 times [2020-07-28 19:01:42,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:42,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334101895] [2020-07-28 19:01:42,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:42,547 INFO L280 TraceCheckUtils]: 0: Hoare triple {829#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);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(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {829#true} is VALID [2020-07-28 19:01:42,547 INFO L280 TraceCheckUtils]: 1: Hoare triple {829#true} havoc main_#res;havoc main_#t~ret4, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {829#true} is VALID [2020-07-28 19:01:42,548 INFO L280 TraceCheckUtils]: 2: Hoare triple {829#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {829#true} is VALID [2020-07-28 19:01:42,548 INFO L280 TraceCheckUtils]: 3: Hoare triple {829#true} main_#t~ret4 := valid_product_#res;assume -2147483648 <= main_#t~ret4 && main_#t~ret4 <= 2147483647;main_~tmp~1 := main_#t~ret4;havoc main_#t~ret4; {829#true} is VALID [2020-07-28 19:01:42,548 INFO L280 TraceCheckUtils]: 4: Hoare triple {829#true} assume 0 != main_~tmp~1; {829#true} is VALID [2020-07-28 19:01:42,549 INFO L280 TraceCheckUtils]: 5: Hoare triple {829#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {829#true} is VALID [2020-07-28 19:01:42,549 INFO L280 TraceCheckUtils]: 6: Hoare triple {829#true} assume !false; {829#true} is VALID [2020-07-28 19:01:42,549 INFO L280 TraceCheckUtils]: 7: Hoare triple {829#true} assume test_~splverifierCounter~0 < 4; {829#true} is VALID [2020-07-28 19:01:42,549 INFO L280 TraceCheckUtils]: 8: Hoare triple {829#true} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {829#true} is VALID [2020-07-28 19:01:42,550 INFO L280 TraceCheckUtils]: 9: Hoare triple {829#true} assume !(0 != test_~tmp~0); {829#true} is VALID [2020-07-28 19:01:42,550 INFO L280 TraceCheckUtils]: 10: Hoare triple {829#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {829#true} is VALID [2020-07-28 19:01:42,551 INFO L280 TraceCheckUtils]: 11: Hoare triple {829#true} assume !(0 != test_~tmp___0~0); {829#true} is VALID [2020-07-28 19:01:42,551 INFO L280 TraceCheckUtils]: 12: Hoare triple {829#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {829#true} is VALID [2020-07-28 19:01:42,552 INFO L280 TraceCheckUtils]: 13: Hoare triple {829#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {831#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:42,553 INFO L280 TraceCheckUtils]: 14: Hoare triple {831#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {831#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:42,554 INFO L280 TraceCheckUtils]: 15: Hoare triple {831#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {830#false} is VALID [2020-07-28 19:01:42,555 INFO L280 TraceCheckUtils]: 16: Hoare triple {830#false} havoc __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {830#false} is VALID [2020-07-28 19:01:42,555 INFO L280 TraceCheckUtils]: 17: Hoare triple {830#false} __utac_acc__Specification3_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret59 && __utac_acc__Specification3_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; {830#false} is VALID [2020-07-28 19:01:42,555 INFO L280 TraceCheckUtils]: 18: Hoare triple {830#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {830#false} is VALID [2020-07-28 19:01:42,556 INFO L280 TraceCheckUtils]: 19: Hoare triple {830#false} __utac_acc__Specification3_spec__1_#t~ret60 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret60 && __utac_acc__Specification3_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret60;havoc __utac_acc__Specification3_spec__1_#t~ret60; {830#false} is VALID [2020-07-28 19:01:42,556 INFO L280 TraceCheckUtils]: 20: Hoare triple {830#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {830#false} is VALID [2020-07-28 19:01:42,556 INFO L280 TraceCheckUtils]: 21: Hoare triple {830#false} __utac_acc__Specification3_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret61 && __utac_acc__Specification3_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret61;havoc __utac_acc__Specification3_spec__1_#t~ret61; {830#false} is VALID [2020-07-28 19:01:42,556 INFO L280 TraceCheckUtils]: 22: Hoare triple {830#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {830#false} is VALID [2020-07-28 19:01:42,557 INFO L280 TraceCheckUtils]: 23: Hoare triple {830#false} assume !false; {830#false} is VALID [2020-07-28 19:01:42,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:42,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334101895] [2020-07-28 19:01:42,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:42,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:42,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039390835] [2020-07-28 19:01:42,560 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:42,560 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:42,560 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:42,593 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:42,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:42,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:42,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:42,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:42,594 INFO L87 Difference]: Start difference. First operand 36 states and 51 transitions. Second operand 3 states. [2020-07-28 19:01:42,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:42,788 INFO L93 Difference]: Finished difference Result 66 states and 96 transitions. [2020-07-28 19:01:42,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:42,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:42,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:42,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:42,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 96 transitions. [2020-07-28 19:01:42,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:42,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 96 transitions. [2020-07-28 19:01:42,799 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 96 transitions. [2020-07-28 19:01:42,920 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 96 edges. 96 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:42,922 INFO L225 Difference]: With dead ends: 66 [2020-07-28 19:01:42,924 INFO L226 Difference]: Without dead ends: 36 [2020-07-28 19:01:42,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:42,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-07-28 19:01:42,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-07-28 19:01:42,949 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:42,949 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand 36 states. [2020-07-28 19:01:42,950 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2020-07-28 19:01:42,950 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2020-07-28 19:01:42,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:42,955 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2020-07-28 19:01:42,955 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2020-07-28 19:01:42,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:42,956 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:42,956 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states. [2020-07-28 19:01:42,957 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states. [2020-07-28 19:01:42,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:42,963 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2020-07-28 19:01:42,964 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2020-07-28 19:01:42,965 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:42,965 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:42,965 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:42,965 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:42,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-07-28 19:01:42,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2020-07-28 19:01:42,968 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 24 [2020-07-28 19:01:42,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:42,968 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 50 transitions. [2020-07-28 19:01:42,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:42,968 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2020-07-28 19:01:42,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:01:42,969 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:42,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:42,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:01:42,970 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:42,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:42,971 INFO L82 PathProgramCache]: Analyzing trace with hash -179810352, now seen corresponding path program 1 times [2020-07-28 19:01:42,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:42,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768573118] [2020-07-28 19:01:42,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:43,110 INFO L280 TraceCheckUtils]: 0: Hoare triple {1047#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);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(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1049#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:43,111 INFO L280 TraceCheckUtils]: 1: Hoare triple {1049#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret4, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {1049#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:43,113 INFO L280 TraceCheckUtils]: 2: Hoare triple {1049#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {1049#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:43,113 INFO L280 TraceCheckUtils]: 3: Hoare triple {1049#(= 0 ~pumpRunning~0)} main_#t~ret4 := valid_product_#res;assume -2147483648 <= main_#t~ret4 && main_#t~ret4 <= 2147483647;main_~tmp~1 := main_#t~ret4;havoc main_#t~ret4; {1049#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:43,114 INFO L280 TraceCheckUtils]: 4: Hoare triple {1049#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~1; {1049#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:43,117 INFO L280 TraceCheckUtils]: 5: Hoare triple {1049#(= 0 ~pumpRunning~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1049#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:43,118 INFO L280 TraceCheckUtils]: 6: Hoare triple {1049#(= 0 ~pumpRunning~0)} assume !false; {1049#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:43,119 INFO L280 TraceCheckUtils]: 7: Hoare triple {1049#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1049#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:43,120 INFO L280 TraceCheckUtils]: 8: Hoare triple {1049#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {1049#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:43,120 INFO L280 TraceCheckUtils]: 9: Hoare triple {1049#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~0); {1049#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:43,121 INFO L280 TraceCheckUtils]: 10: Hoare triple {1049#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {1049#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:43,122 INFO L280 TraceCheckUtils]: 11: Hoare triple {1049#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {1049#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:43,123 INFO L280 TraceCheckUtils]: 12: Hoare triple {1049#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {1049#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:43,123 INFO L280 TraceCheckUtils]: 13: Hoare triple {1049#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1049#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:43,124 INFO L280 TraceCheckUtils]: 14: Hoare triple {1049#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1049#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:43,125 INFO L280 TraceCheckUtils]: 15: Hoare triple {1049#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1049#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:43,125 INFO L280 TraceCheckUtils]: 16: Hoare triple {1049#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1048#false} is VALID [2020-07-28 19:01:43,126 INFO L280 TraceCheckUtils]: 17: Hoare triple {1048#false} havoc __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {1048#false} is VALID [2020-07-28 19:01:43,126 INFO L280 TraceCheckUtils]: 18: Hoare triple {1048#false} __utac_acc__Specification3_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret59 && __utac_acc__Specification3_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; {1048#false} is VALID [2020-07-28 19:01:43,126 INFO L280 TraceCheckUtils]: 19: Hoare triple {1048#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {1048#false} is VALID [2020-07-28 19:01:43,126 INFO L280 TraceCheckUtils]: 20: Hoare triple {1048#false} __utac_acc__Specification3_spec__1_#t~ret60 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret60 && __utac_acc__Specification3_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret60;havoc __utac_acc__Specification3_spec__1_#t~ret60; {1048#false} is VALID [2020-07-28 19:01:43,127 INFO L280 TraceCheckUtils]: 21: Hoare triple {1048#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {1048#false} is VALID [2020-07-28 19:01:43,127 INFO L280 TraceCheckUtils]: 22: Hoare triple {1048#false} __utac_acc__Specification3_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret61 && __utac_acc__Specification3_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret61;havoc __utac_acc__Specification3_spec__1_#t~ret61; {1048#false} is VALID [2020-07-28 19:01:43,128 INFO L280 TraceCheckUtils]: 23: Hoare triple {1048#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {1048#false} is VALID [2020-07-28 19:01:43,128 INFO L280 TraceCheckUtils]: 24: Hoare triple {1048#false} assume !false; {1048#false} is VALID [2020-07-28 19:01:43,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:43,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768573118] [2020-07-28 19:01:43,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:43,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:43,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836363186] [2020-07-28 19:01:43,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 19:01:43,131 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:43,131 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:43,169 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:43,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:43,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:43,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:43,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:43,170 INFO L87 Difference]: Start difference. First operand 36 states and 50 transitions. Second operand 3 states. [2020-07-28 19:01:43,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:43,364 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2020-07-28 19:01:43,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:43,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 19:01:43,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:43,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:43,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 127 transitions. [2020-07-28 19:01:43,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:43,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 127 transitions. [2020-07-28 19:01:43,370 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 127 transitions. [2020-07-28 19:01:43,514 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 127 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:43,518 INFO L225 Difference]: With dead ends: 89 [2020-07-28 19:01:43,518 INFO L226 Difference]: Without dead ends: 59 [2020-07-28 19:01:43,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:43,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-07-28 19:01:43,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2020-07-28 19:01:43,559 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:43,559 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand 57 states. [2020-07-28 19:01:43,559 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 57 states. [2020-07-28 19:01:43,560 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 57 states. [2020-07-28 19:01:43,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:43,562 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2020-07-28 19:01:43,562 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-07-28 19:01:43,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:43,563 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:43,563 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 59 states. [2020-07-28 19:01:43,563 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 59 states. [2020-07-28 19:01:43,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:43,570 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2020-07-28 19:01:43,570 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-07-28 19:01:43,571 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:43,571 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:43,571 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:43,571 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:43,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-07-28 19:01:43,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2020-07-28 19:01:43,574 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 25 [2020-07-28 19:01:43,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:43,574 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2020-07-28 19:01:43,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:43,575 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2020-07-28 19:01:43,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 19:01:43,575 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:43,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:43,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:01:43,576 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:43,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:43,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1667839457, now seen corresponding path program 1 times [2020-07-28 19:01:43,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:43,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314107226] [2020-07-28 19:01:43,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:43,645 INFO L280 TraceCheckUtils]: 0: Hoare triple {1373#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);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(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1373#true} is VALID [2020-07-28 19:01:43,645 INFO L280 TraceCheckUtils]: 1: Hoare triple {1373#true} havoc main_#res;havoc main_#t~ret4, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {1373#true} is VALID [2020-07-28 19:01:43,646 INFO L280 TraceCheckUtils]: 2: Hoare triple {1373#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {1373#true} is VALID [2020-07-28 19:01:43,646 INFO L280 TraceCheckUtils]: 3: Hoare triple {1373#true} main_#t~ret4 := valid_product_#res;assume -2147483648 <= main_#t~ret4 && main_#t~ret4 <= 2147483647;main_~tmp~1 := main_#t~ret4;havoc main_#t~ret4; {1373#true} is VALID [2020-07-28 19:01:43,646 INFO L280 TraceCheckUtils]: 4: Hoare triple {1373#true} assume 0 != main_~tmp~1; {1373#true} is VALID [2020-07-28 19:01:43,646 INFO L280 TraceCheckUtils]: 5: Hoare triple {1373#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1373#true} is VALID [2020-07-28 19:01:43,647 INFO L280 TraceCheckUtils]: 6: Hoare triple {1373#true} assume !false; {1373#true} is VALID [2020-07-28 19:01:43,647 INFO L280 TraceCheckUtils]: 7: Hoare triple {1373#true} assume test_~splverifierCounter~0 < 4; {1373#true} is VALID [2020-07-28 19:01:43,647 INFO L280 TraceCheckUtils]: 8: Hoare triple {1373#true} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {1373#true} is VALID [2020-07-28 19:01:43,647 INFO L280 TraceCheckUtils]: 9: Hoare triple {1373#true} assume !(0 != test_~tmp~0); {1373#true} is VALID [2020-07-28 19:01:43,648 INFO L280 TraceCheckUtils]: 10: Hoare triple {1373#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {1373#true} is VALID [2020-07-28 19:01:43,648 INFO L280 TraceCheckUtils]: 11: Hoare triple {1373#true} assume !(0 != test_~tmp___0~0); {1373#true} is VALID [2020-07-28 19:01:43,648 INFO L280 TraceCheckUtils]: 12: Hoare triple {1373#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {1373#true} is VALID [2020-07-28 19:01:43,648 INFO L280 TraceCheckUtils]: 13: Hoare triple {1373#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1373#true} is VALID [2020-07-28 19:01:43,649 INFO L280 TraceCheckUtils]: 14: Hoare triple {1373#true} assume !(0 != ~pumpRunning~0); {1373#true} is VALID [2020-07-28 19:01:43,649 INFO L280 TraceCheckUtils]: 15: Hoare triple {1373#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1373#true} is VALID [2020-07-28 19:01:43,649 INFO L280 TraceCheckUtils]: 16: Hoare triple {1373#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {1373#true} is VALID [2020-07-28 19:01:43,649 INFO L280 TraceCheckUtils]: 17: Hoare triple {1373#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {1373#true} is VALID [2020-07-28 19:01:43,650 INFO L280 TraceCheckUtils]: 18: Hoare triple {1373#true} isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret23 && isHighWaterLevel_#t~ret23 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; {1373#true} is VALID [2020-07-28 19:01:43,651 INFO L280 TraceCheckUtils]: 19: Hoare triple {1373#true} assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; {1375#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 19:01:43,651 INFO L280 TraceCheckUtils]: 20: Hoare triple {1375#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; {1376#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 19:01:43,653 INFO L280 TraceCheckUtils]: 21: Hoare triple {1376#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment_#t~ret5 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret5 && processEnvironment_#t~ret5 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret5;havoc processEnvironment_#t~ret5; {1377#(= 0 ULTIMATE.start_processEnvironment_~tmp~2)} is VALID [2020-07-28 19:01:43,655 INFO L280 TraceCheckUtils]: 22: Hoare triple {1377#(= 0 ULTIMATE.start_processEnvironment_~tmp~2)} assume 0 != processEnvironment_~tmp~2;~pumpRunning~0 := 1; {1374#false} is VALID [2020-07-28 19:01:43,655 INFO L280 TraceCheckUtils]: 23: Hoare triple {1374#false} havoc __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {1374#false} is VALID [2020-07-28 19:01:43,655 INFO L280 TraceCheckUtils]: 24: Hoare triple {1374#false} __utac_acc__Specification3_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret59 && __utac_acc__Specification3_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; {1374#false} is VALID [2020-07-28 19:01:43,656 INFO L280 TraceCheckUtils]: 25: Hoare triple {1374#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {1374#false} is VALID [2020-07-28 19:01:43,656 INFO L280 TraceCheckUtils]: 26: Hoare triple {1374#false} __utac_acc__Specification3_spec__1_#t~ret60 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret60 && __utac_acc__Specification3_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret60;havoc __utac_acc__Specification3_spec__1_#t~ret60; {1374#false} is VALID [2020-07-28 19:01:43,656 INFO L280 TraceCheckUtils]: 27: Hoare triple {1374#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {1374#false} is VALID [2020-07-28 19:01:43,656 INFO L280 TraceCheckUtils]: 28: Hoare triple {1374#false} __utac_acc__Specification3_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret61 && __utac_acc__Specification3_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret61;havoc __utac_acc__Specification3_spec__1_#t~ret61; {1374#false} is VALID [2020-07-28 19:01:43,656 INFO L280 TraceCheckUtils]: 29: Hoare triple {1374#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {1374#false} is VALID [2020-07-28 19:01:43,657 INFO L280 TraceCheckUtils]: 30: Hoare triple {1374#false} assume !false; {1374#false} is VALID [2020-07-28 19:01:43,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:43,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314107226] [2020-07-28 19:01:43,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:43,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:01:43,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941282004] [2020-07-28 19:01:43,659 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 19:01:43,659 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:43,660 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:43,703 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:43,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:43,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:43,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:43,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:43,705 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 5 states. [2020-07-28 19:01:44,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:44,383 INFO L93 Difference]: Finished difference Result 149 states and 209 transitions. [2020-07-28 19:01:44,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:01:44,383 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 19:01:44,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:44,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:44,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 159 transitions. [2020-07-28 19:01:44,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:44,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 159 transitions. [2020-07-28 19:01:44,389 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 159 transitions. [2020-07-28 19:01:44,579 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 159 edges. 159 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:44,583 INFO L225 Difference]: With dead ends: 149 [2020-07-28 19:01:44,583 INFO L226 Difference]: Without dead ends: 98 [2020-07-28 19:01:44,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:01:44,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-07-28 19:01:44,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 60. [2020-07-28 19:01:44,648 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:44,648 INFO L82 GeneralOperation]: Start isEquivalent. First operand 98 states. Second operand 60 states. [2020-07-28 19:01:44,648 INFO L74 IsIncluded]: Start isIncluded. First operand 98 states. Second operand 60 states. [2020-07-28 19:01:44,649 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 60 states. [2020-07-28 19:01:44,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:44,653 INFO L93 Difference]: Finished difference Result 98 states and 134 transitions. [2020-07-28 19:01:44,653 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 134 transitions. [2020-07-28 19:01:44,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:44,654 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:44,654 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 98 states. [2020-07-28 19:01:44,654 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 98 states. [2020-07-28 19:01:44,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:44,658 INFO L93 Difference]: Finished difference Result 98 states and 134 transitions. [2020-07-28 19:01:44,658 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 134 transitions. [2020-07-28 19:01:44,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:44,659 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:44,659 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:44,659 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:44,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-07-28 19:01:44,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2020-07-28 19:01:44,662 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 31 [2020-07-28 19:01:44,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:44,662 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2020-07-28 19:01:44,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:44,662 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2020-07-28 19:01:44,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 19:01:44,663 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:44,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:44,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:01:44,664 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:44,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:44,664 INFO L82 PathProgramCache]: Analyzing trace with hash 540443364, now seen corresponding path program 1 times [2020-07-28 19:01:44,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:44,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888700380] [2020-07-28 19:01:44,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:44,756 INFO L280 TraceCheckUtils]: 0: Hoare triple {1873#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);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(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,757 INFO L280 TraceCheckUtils]: 1: Hoare triple {1875#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret4, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,757 INFO L280 TraceCheckUtils]: 2: Hoare triple {1875#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,772 INFO L280 TraceCheckUtils]: 3: Hoare triple {1875#(= 1 ~waterLevel~0)} main_#t~ret4 := valid_product_#res;assume -2147483648 <= main_#t~ret4 && main_#t~ret4 <= 2147483647;main_~tmp~1 := main_#t~ret4;havoc main_#t~ret4; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,772 INFO L280 TraceCheckUtils]: 4: Hoare triple {1875#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~1; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,773 INFO L280 TraceCheckUtils]: 5: Hoare triple {1875#(= 1 ~waterLevel~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,773 INFO L280 TraceCheckUtils]: 6: Hoare triple {1875#(= 1 ~waterLevel~0)} assume !false; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,774 INFO L280 TraceCheckUtils]: 7: Hoare triple {1875#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,776 INFO L280 TraceCheckUtils]: 8: Hoare triple {1875#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,776 INFO L280 TraceCheckUtils]: 9: Hoare triple {1875#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~0); {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,777 INFO L280 TraceCheckUtils]: 10: Hoare triple {1875#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,781 INFO L280 TraceCheckUtils]: 11: Hoare triple {1875#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,781 INFO L280 TraceCheckUtils]: 12: Hoare triple {1875#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,782 INFO L280 TraceCheckUtils]: 13: Hoare triple {1875#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,783 INFO L280 TraceCheckUtils]: 14: Hoare triple {1875#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,783 INFO L280 TraceCheckUtils]: 15: Hoare triple {1875#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,784 INFO L280 TraceCheckUtils]: 16: Hoare triple {1875#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,784 INFO L280 TraceCheckUtils]: 17: Hoare triple {1875#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,785 INFO L280 TraceCheckUtils]: 18: Hoare triple {1875#(= 1 ~waterLevel~0)} isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret23 && isHighWaterLevel_#t~ret23 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,785 INFO L280 TraceCheckUtils]: 19: Hoare triple {1875#(= 1 ~waterLevel~0)} assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,786 INFO L280 TraceCheckUtils]: 20: Hoare triple {1875#(= 1 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,786 INFO L280 TraceCheckUtils]: 21: Hoare triple {1875#(= 1 ~waterLevel~0)} processEnvironment_#t~ret5 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret5 && processEnvironment_#t~ret5 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret5;havoc processEnvironment_#t~ret5; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,787 INFO L280 TraceCheckUtils]: 22: Hoare triple {1875#(= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~2); {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,788 INFO L280 TraceCheckUtils]: 23: Hoare triple {1875#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,788 INFO L280 TraceCheckUtils]: 24: Hoare triple {1875#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret59 && __utac_acc__Specification3_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; {1875#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:44,789 INFO L280 TraceCheckUtils]: 25: Hoare triple {1875#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {1876#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:01:44,790 INFO L280 TraceCheckUtils]: 26: Hoare triple {1876#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret60 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret60 && __utac_acc__Specification3_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret60;havoc __utac_acc__Specification3_spec__1_#t~ret60; {1877#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)} is VALID [2020-07-28 19:01:44,790 INFO L280 TraceCheckUtils]: 27: Hoare triple {1877#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {1874#false} is VALID [2020-07-28 19:01:44,791 INFO L280 TraceCheckUtils]: 28: Hoare triple {1874#false} __utac_acc__Specification3_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret61 && __utac_acc__Specification3_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret61;havoc __utac_acc__Specification3_spec__1_#t~ret61; {1874#false} is VALID [2020-07-28 19:01:44,791 INFO L280 TraceCheckUtils]: 29: Hoare triple {1874#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {1874#false} is VALID [2020-07-28 19:01:44,791 INFO L280 TraceCheckUtils]: 30: Hoare triple {1874#false} assume !false; {1874#false} is VALID [2020-07-28 19:01:44,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:44,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888700380] [2020-07-28 19:01:44,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:44,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:44,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283011019] [2020-07-28 19:01:44,795 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 19:01:44,795 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:44,795 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:44,846 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:44,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:44,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:44,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:44,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:44,847 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2020-07-28 19:01:45,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:45,833 INFO L93 Difference]: Finished difference Result 314 states and 451 transitions. [2020-07-28 19:01:45,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:01:45,833 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 19:01:45,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:45,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:45,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 266 transitions. [2020-07-28 19:01:45,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:45,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 266 transitions. [2020-07-28 19:01:45,840 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 266 transitions. [2020-07-28 19:01:46,174 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 266 edges. 266 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:46,183 INFO L225 Difference]: With dead ends: 314 [2020-07-28 19:01:46,183 INFO L226 Difference]: Without dead ends: 260 [2020-07-28 19:01:46,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:01:46,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-07-28 19:01:46,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2020-07-28 19:01:46,338 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:46,338 INFO L82 GeneralOperation]: Start isEquivalent. First operand 260 states. Second operand 106 states. [2020-07-28 19:01:46,338 INFO L74 IsIncluded]: Start isIncluded. First operand 260 states. Second operand 106 states. [2020-07-28 19:01:46,338 INFO L87 Difference]: Start difference. First operand 260 states. Second operand 106 states. [2020-07-28 19:01:46,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:46,349 INFO L93 Difference]: Finished difference Result 260 states and 360 transitions. [2020-07-28 19:01:46,349 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 360 transitions. [2020-07-28 19:01:46,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:46,350 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:46,350 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 260 states. [2020-07-28 19:01:46,350 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 260 states. [2020-07-28 19:01:46,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:46,360 INFO L93 Difference]: Finished difference Result 260 states and 360 transitions. [2020-07-28 19:01:46,360 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 360 transitions. [2020-07-28 19:01:46,361 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:46,361 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:46,361 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:46,361 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:46,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-28 19:01:46,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 144 transitions. [2020-07-28 19:01:46,365 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 144 transitions. Word has length 31 [2020-07-28 19:01:46,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:46,366 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 144 transitions. [2020-07-28 19:01:46,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:46,366 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 144 transitions. [2020-07-28 19:01:46,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 19:01:46,367 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:46,367 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:46,367 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:01:46,367 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:46,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:46,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1572316506, now seen corresponding path program 1 times [2020-07-28 19:01:46,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:46,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524230306] [2020-07-28 19:01:46,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:46,430 INFO L280 TraceCheckUtils]: 0: Hoare triple {2991#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);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(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:46,431 INFO L280 TraceCheckUtils]: 1: Hoare triple {2993#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret4, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {2993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:46,432 INFO L280 TraceCheckUtils]: 2: Hoare triple {2993#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {2993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:46,432 INFO L280 TraceCheckUtils]: 3: Hoare triple {2993#(= 1 ~waterLevel~0)} main_#t~ret4 := valid_product_#res;assume -2147483648 <= main_#t~ret4 && main_#t~ret4 <= 2147483647;main_~tmp~1 := main_#t~ret4;havoc main_#t~ret4; {2993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:46,433 INFO L280 TraceCheckUtils]: 4: Hoare triple {2993#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~1; {2993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:46,433 INFO L280 TraceCheckUtils]: 5: Hoare triple {2993#(= 1 ~waterLevel~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:46,434 INFO L280 TraceCheckUtils]: 6: Hoare triple {2993#(= 1 ~waterLevel~0)} assume !false; {2993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:46,434 INFO L280 TraceCheckUtils]: 7: Hoare triple {2993#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {2993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:46,435 INFO L280 TraceCheckUtils]: 8: Hoare triple {2993#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {2993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:46,435 INFO L280 TraceCheckUtils]: 9: Hoare triple {2993#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~0; {2993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:46,436 INFO L280 TraceCheckUtils]: 10: Hoare triple {2993#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {2994#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:01:46,437 INFO L280 TraceCheckUtils]: 11: Hoare triple {2994#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {2994#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:01:46,437 INFO L280 TraceCheckUtils]: 12: Hoare triple {2994#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {2994#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:01:46,438 INFO L280 TraceCheckUtils]: 13: Hoare triple {2994#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {2994#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:01:46,439 INFO L280 TraceCheckUtils]: 14: Hoare triple {2994#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2994#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:01:46,439 INFO L280 TraceCheckUtils]: 15: Hoare triple {2994#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2994#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:01:46,440 INFO L280 TraceCheckUtils]: 16: Hoare triple {2994#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {2994#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:01:46,440 INFO L280 TraceCheckUtils]: 17: Hoare triple {2994#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {2994#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:01:46,441 INFO L280 TraceCheckUtils]: 18: Hoare triple {2994#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {2992#false} is VALID [2020-07-28 19:01:46,441 INFO L280 TraceCheckUtils]: 19: Hoare triple {2992#false} isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret23 && isHighWaterLevel_#t~ret23 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; {2992#false} is VALID [2020-07-28 19:01:46,441 INFO L280 TraceCheckUtils]: 20: Hoare triple {2992#false} assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; {2992#false} is VALID [2020-07-28 19:01:46,442 INFO L280 TraceCheckUtils]: 21: Hoare triple {2992#false} isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; {2992#false} is VALID [2020-07-28 19:01:46,442 INFO L280 TraceCheckUtils]: 22: Hoare triple {2992#false} processEnvironment_#t~ret5 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret5 && processEnvironment_#t~ret5 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret5;havoc processEnvironment_#t~ret5; {2992#false} is VALID [2020-07-28 19:01:46,442 INFO L280 TraceCheckUtils]: 23: Hoare triple {2992#false} assume !(0 != processEnvironment_~tmp~2); {2992#false} is VALID [2020-07-28 19:01:46,442 INFO L280 TraceCheckUtils]: 24: Hoare triple {2992#false} havoc __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {2992#false} is VALID [2020-07-28 19:01:46,443 INFO L280 TraceCheckUtils]: 25: Hoare triple {2992#false} __utac_acc__Specification3_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret59 && __utac_acc__Specification3_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; {2992#false} is VALID [2020-07-28 19:01:46,443 INFO L280 TraceCheckUtils]: 26: Hoare triple {2992#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {2992#false} is VALID [2020-07-28 19:01:46,443 INFO L280 TraceCheckUtils]: 27: Hoare triple {2992#false} __utac_acc__Specification3_spec__1_#t~ret60 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret60 && __utac_acc__Specification3_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret60;havoc __utac_acc__Specification3_spec__1_#t~ret60; {2992#false} is VALID [2020-07-28 19:01:46,444 INFO L280 TraceCheckUtils]: 28: Hoare triple {2992#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {2992#false} is VALID [2020-07-28 19:01:46,444 INFO L280 TraceCheckUtils]: 29: Hoare triple {2992#false} __utac_acc__Specification3_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret61 && __utac_acc__Specification3_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret61;havoc __utac_acc__Specification3_spec__1_#t~ret61; {2992#false} is VALID [2020-07-28 19:01:46,444 INFO L280 TraceCheckUtils]: 30: Hoare triple {2992#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {2992#false} is VALID [2020-07-28 19:01:46,444 INFO L280 TraceCheckUtils]: 31: Hoare triple {2992#false} assume !false; {2992#false} is VALID [2020-07-28 19:01:46,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:46,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524230306] [2020-07-28 19:01:46,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:46,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:46,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162686776] [2020-07-28 19:01:46,447 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-07-28 19:01:46,448 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:46,448 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:01:46,484 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:46,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:01:46,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:46,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:01:46,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:01:46,485 INFO L87 Difference]: Start difference. First operand 106 states and 144 transitions. Second operand 4 states. [2020-07-28 19:01:47,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:47,086 INFO L93 Difference]: Finished difference Result 212 states and 295 transitions. [2020-07-28 19:01:47,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 19:01:47,087 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-07-28 19:01:47,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:47,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:01:47,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 172 transitions. [2020-07-28 19:01:47,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:01:47,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 172 transitions. [2020-07-28 19:01:47,092 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 172 transitions. [2020-07-28 19:01:47,280 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 172 edges. 172 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:47,284 INFO L225 Difference]: With dead ends: 212 [2020-07-28 19:01:47,284 INFO L226 Difference]: Without dead ends: 158 [2020-07-28 19:01:47,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:01:47,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-28 19:01:47,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2020-07-28 19:01:47,532 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:47,533 INFO L82 GeneralOperation]: Start isEquivalent. First operand 158 states. Second operand 155 states. [2020-07-28 19:01:47,533 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 155 states. [2020-07-28 19:01:47,533 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 155 states. [2020-07-28 19:01:47,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:47,540 INFO L93 Difference]: Finished difference Result 158 states and 214 transitions. [2020-07-28 19:01:47,540 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 214 transitions. [2020-07-28 19:01:47,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:47,541 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:47,541 INFO L74 IsIncluded]: Start isIncluded. First operand 155 states. Second operand 158 states. [2020-07-28 19:01:47,542 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 158 states. [2020-07-28 19:01:47,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:47,547 INFO L93 Difference]: Finished difference Result 158 states and 214 transitions. [2020-07-28 19:01:47,547 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 214 transitions. [2020-07-28 19:01:47,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:47,548 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:47,548 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:47,548 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:47,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-07-28 19:01:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 212 transitions. [2020-07-28 19:01:47,554 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 212 transitions. Word has length 32 [2020-07-28 19:01:47,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:47,554 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 212 transitions. [2020-07-28 19:01:47,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:01:47,555 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 212 transitions. [2020-07-28 19:01:47,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 19:01:47,555 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:47,556 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:47,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 19:01:47,556 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:47,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:47,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1711533540, now seen corresponding path program 1 times [2020-07-28 19:01:47,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:47,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986304259] [2020-07-28 19:01:47,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:47,608 INFO L280 TraceCheckUtils]: 0: Hoare triple {3825#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);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(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {3825#true} is VALID [2020-07-28 19:01:47,608 INFO L280 TraceCheckUtils]: 1: Hoare triple {3825#true} havoc main_#res;havoc main_#t~ret4, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {3825#true} is VALID [2020-07-28 19:01:47,609 INFO L280 TraceCheckUtils]: 2: Hoare triple {3825#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {3825#true} is VALID [2020-07-28 19:01:47,609 INFO L280 TraceCheckUtils]: 3: Hoare triple {3825#true} main_#t~ret4 := valid_product_#res;assume -2147483648 <= main_#t~ret4 && main_#t~ret4 <= 2147483647;main_~tmp~1 := main_#t~ret4;havoc main_#t~ret4; {3825#true} is VALID [2020-07-28 19:01:47,609 INFO L280 TraceCheckUtils]: 4: Hoare triple {3825#true} assume 0 != main_~tmp~1; {3825#true} is VALID [2020-07-28 19:01:47,610 INFO L280 TraceCheckUtils]: 5: Hoare triple {3825#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3825#true} is VALID [2020-07-28 19:01:47,610 INFO L280 TraceCheckUtils]: 6: Hoare triple {3825#true} assume !false; {3825#true} is VALID [2020-07-28 19:01:47,610 INFO L280 TraceCheckUtils]: 7: Hoare triple {3825#true} assume test_~splverifierCounter~0 < 4; {3825#true} is VALID [2020-07-28 19:01:47,610 INFO L280 TraceCheckUtils]: 8: Hoare triple {3825#true} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {3825#true} is VALID [2020-07-28 19:01:47,610 INFO L280 TraceCheckUtils]: 9: Hoare triple {3825#true} assume 0 != test_~tmp~0; {3825#true} is VALID [2020-07-28 19:01:47,611 INFO L280 TraceCheckUtils]: 10: Hoare triple {3825#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {3825#true} is VALID [2020-07-28 19:01:47,611 INFO L280 TraceCheckUtils]: 11: Hoare triple {3825#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {3825#true} is VALID [2020-07-28 19:01:47,611 INFO L280 TraceCheckUtils]: 12: Hoare triple {3825#true} assume !(0 != test_~tmp___0~0); {3825#true} is VALID [2020-07-28 19:01:47,612 INFO L280 TraceCheckUtils]: 13: Hoare triple {3825#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {3825#true} is VALID [2020-07-28 19:01:47,612 INFO L280 TraceCheckUtils]: 14: Hoare triple {3825#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {3825#true} is VALID [2020-07-28 19:01:47,612 INFO L280 TraceCheckUtils]: 15: Hoare triple {3825#true} assume !(0 != ~pumpRunning~0); {3825#true} is VALID [2020-07-28 19:01:47,612 INFO L280 TraceCheckUtils]: 16: Hoare triple {3825#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {3825#true} is VALID [2020-07-28 19:01:47,612 INFO L280 TraceCheckUtils]: 17: Hoare triple {3825#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {3825#true} is VALID [2020-07-28 19:01:47,614 INFO L280 TraceCheckUtils]: 18: Hoare triple {3825#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {3827#(= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)} is VALID [2020-07-28 19:01:47,614 INFO L280 TraceCheckUtils]: 19: Hoare triple {3827#(= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)} isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret23 && isHighWaterLevel_#t~ret23 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; {3828#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)} is VALID [2020-07-28 19:01:47,615 INFO L280 TraceCheckUtils]: 20: Hoare triple {3828#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)} assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; {3826#false} is VALID [2020-07-28 19:01:47,615 INFO L280 TraceCheckUtils]: 21: Hoare triple {3826#false} isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; {3826#false} is VALID [2020-07-28 19:01:47,616 INFO L280 TraceCheckUtils]: 22: Hoare triple {3826#false} processEnvironment_#t~ret5 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret5 && processEnvironment_#t~ret5 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret5;havoc processEnvironment_#t~ret5; {3826#false} is VALID [2020-07-28 19:01:47,616 INFO L280 TraceCheckUtils]: 23: Hoare triple {3826#false} assume !(0 != processEnvironment_~tmp~2); {3826#false} is VALID [2020-07-28 19:01:47,616 INFO L280 TraceCheckUtils]: 24: Hoare triple {3826#false} havoc __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {3826#false} is VALID [2020-07-28 19:01:47,616 INFO L280 TraceCheckUtils]: 25: Hoare triple {3826#false} __utac_acc__Specification3_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret59 && __utac_acc__Specification3_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; {3826#false} is VALID [2020-07-28 19:01:47,617 INFO L280 TraceCheckUtils]: 26: Hoare triple {3826#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {3826#false} is VALID [2020-07-28 19:01:47,617 INFO L280 TraceCheckUtils]: 27: Hoare triple {3826#false} __utac_acc__Specification3_spec__1_#t~ret60 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret60 && __utac_acc__Specification3_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret60;havoc __utac_acc__Specification3_spec__1_#t~ret60; {3826#false} is VALID [2020-07-28 19:01:47,617 INFO L280 TraceCheckUtils]: 28: Hoare triple {3826#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {3826#false} is VALID [2020-07-28 19:01:47,617 INFO L280 TraceCheckUtils]: 29: Hoare triple {3826#false} __utac_acc__Specification3_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret61 && __utac_acc__Specification3_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret61;havoc __utac_acc__Specification3_spec__1_#t~ret61; {3826#false} is VALID [2020-07-28 19:01:47,617 INFO L280 TraceCheckUtils]: 30: Hoare triple {3826#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {3826#false} is VALID [2020-07-28 19:01:47,618 INFO L280 TraceCheckUtils]: 31: Hoare triple {3826#false} assume !false; {3826#false} is VALID [2020-07-28 19:01:47,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:47,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986304259] [2020-07-28 19:01:47,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:47,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:47,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127561133] [2020-07-28 19:01:47,621 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-07-28 19:01:47,621 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:47,621 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:01:47,681 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:47,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:01:47,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:47,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:01:47,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:01:47,682 INFO L87 Difference]: Start difference. First operand 155 states and 212 transitions. Second operand 4 states. [2020-07-28 19:01:48,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:48,627 INFO L93 Difference]: Finished difference Result 350 states and 487 transitions. [2020-07-28 19:01:48,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:01:48,628 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-07-28 19:01:48,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:48,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:01:48,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 170 transitions. [2020-07-28 19:01:48,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:01:48,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 170 transitions. [2020-07-28 19:01:48,641 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 170 transitions. [2020-07-28 19:01:48,829 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 170 edges. 170 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:48,836 INFO L225 Difference]: With dead ends: 350 [2020-07-28 19:01:48,836 INFO L226 Difference]: Without dead ends: 246 [2020-07-28 19:01:48,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:48,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-07-28 19:01:49,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 152. [2020-07-28 19:01:49,055 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:49,055 INFO L82 GeneralOperation]: Start isEquivalent. First operand 246 states. Second operand 152 states. [2020-07-28 19:01:49,056 INFO L74 IsIncluded]: Start isIncluded. First operand 246 states. Second operand 152 states. [2020-07-28 19:01:49,056 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 152 states. [2020-07-28 19:01:49,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:49,065 INFO L93 Difference]: Finished difference Result 246 states and 340 transitions. [2020-07-28 19:01:49,065 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 340 transitions. [2020-07-28 19:01:49,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:49,066 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:49,066 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand 246 states. [2020-07-28 19:01:49,067 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 246 states. [2020-07-28 19:01:49,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:49,074 INFO L93 Difference]: Finished difference Result 246 states and 340 transitions. [2020-07-28 19:01:49,074 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 340 transitions. [2020-07-28 19:01:49,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:49,075 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:49,075 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:49,075 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:49,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-28 19:01:49,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 208 transitions. [2020-07-28 19:01:49,081 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 208 transitions. Word has length 32 [2020-07-28 19:01:49,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:49,081 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 208 transitions. [2020-07-28 19:01:49,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:01:49,081 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 208 transitions. [2020-07-28 19:01:49,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 19:01:49,082 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:49,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:49,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 19:01:49,083 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:49,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:49,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1197872225, now seen corresponding path program 1 times [2020-07-28 19:01:49,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:49,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485999740] [2020-07-28 19:01:49,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:49,175 INFO L280 TraceCheckUtils]: 0: Hoare triple {5029#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);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(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {5029#true} is VALID [2020-07-28 19:01:49,176 INFO L280 TraceCheckUtils]: 1: Hoare triple {5029#true} havoc main_#res;havoc main_#t~ret4, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {5029#true} is VALID [2020-07-28 19:01:49,176 INFO L280 TraceCheckUtils]: 2: Hoare triple {5029#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {5029#true} is VALID [2020-07-28 19:01:49,176 INFO L280 TraceCheckUtils]: 3: Hoare triple {5029#true} main_#t~ret4 := valid_product_#res;assume -2147483648 <= main_#t~ret4 && main_#t~ret4 <= 2147483647;main_~tmp~1 := main_#t~ret4;havoc main_#t~ret4; {5029#true} is VALID [2020-07-28 19:01:49,176 INFO L280 TraceCheckUtils]: 4: Hoare triple {5029#true} assume 0 != main_~tmp~1; {5029#true} is VALID [2020-07-28 19:01:49,177 INFO L280 TraceCheckUtils]: 5: Hoare triple {5029#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5029#true} is VALID [2020-07-28 19:01:49,177 INFO L280 TraceCheckUtils]: 6: Hoare triple {5029#true} assume !false; {5029#true} is VALID [2020-07-28 19:01:49,177 INFO L280 TraceCheckUtils]: 7: Hoare triple {5029#true} assume test_~splverifierCounter~0 < 4; {5029#true} is VALID [2020-07-28 19:01:49,177 INFO L280 TraceCheckUtils]: 8: Hoare triple {5029#true} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {5029#true} is VALID [2020-07-28 19:01:49,178 INFO L280 TraceCheckUtils]: 9: Hoare triple {5029#true} assume 0 != test_~tmp~0; {5029#true} is VALID [2020-07-28 19:01:49,178 INFO L280 TraceCheckUtils]: 10: Hoare triple {5029#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {5029#true} is VALID [2020-07-28 19:01:49,178 INFO L280 TraceCheckUtils]: 11: Hoare triple {5029#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {5029#true} is VALID [2020-07-28 19:01:49,178 INFO L280 TraceCheckUtils]: 12: Hoare triple {5029#true} assume !(0 != test_~tmp___0~0); {5029#true} is VALID [2020-07-28 19:01:49,178 INFO L280 TraceCheckUtils]: 13: Hoare triple {5029#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {5029#true} is VALID [2020-07-28 19:01:49,179 INFO L280 TraceCheckUtils]: 14: Hoare triple {5029#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {5029#true} is VALID [2020-07-28 19:01:49,179 INFO L280 TraceCheckUtils]: 15: Hoare triple {5029#true} assume !(0 != ~pumpRunning~0); {5029#true} is VALID [2020-07-28 19:01:49,179 INFO L280 TraceCheckUtils]: 16: Hoare triple {5029#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {5029#true} is VALID [2020-07-28 19:01:49,180 INFO L280 TraceCheckUtils]: 17: Hoare triple {5029#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {5029#true} is VALID [2020-07-28 19:01:49,180 INFO L280 TraceCheckUtils]: 18: Hoare triple {5029#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {5029#true} is VALID [2020-07-28 19:01:49,180 INFO L280 TraceCheckUtils]: 19: Hoare triple {5029#true} isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret23 && isHighWaterLevel_#t~ret23 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; {5029#true} is VALID [2020-07-28 19:01:49,181 INFO L280 TraceCheckUtils]: 20: Hoare triple {5029#true} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~1 := 1; {5029#true} is VALID [2020-07-28 19:01:49,181 INFO L280 TraceCheckUtils]: 21: Hoare triple {5029#true} isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; {5029#true} is VALID [2020-07-28 19:01:49,181 INFO L280 TraceCheckUtils]: 22: Hoare triple {5029#true} processEnvironment_#t~ret5 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret5 && processEnvironment_#t~ret5 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret5;havoc processEnvironment_#t~ret5; {5029#true} is VALID [2020-07-28 19:01:49,182 INFO L280 TraceCheckUtils]: 23: Hoare triple {5029#true} assume 0 != processEnvironment_~tmp~2;~pumpRunning~0 := 1; {5031#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:01:49,183 INFO L280 TraceCheckUtils]: 24: Hoare triple {5031#(= 1 ~pumpRunning~0)} havoc __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {5031#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:01:49,183 INFO L280 TraceCheckUtils]: 25: Hoare triple {5031#(= 1 ~pumpRunning~0)} __utac_acc__Specification3_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret59 && __utac_acc__Specification3_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; {5031#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:01:49,184 INFO L280 TraceCheckUtils]: 26: Hoare triple {5031#(= 1 ~pumpRunning~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {5031#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:01:49,184 INFO L280 TraceCheckUtils]: 27: Hoare triple {5031#(= 1 ~pumpRunning~0)} __utac_acc__Specification3_spec__1_#t~ret60 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret60 && __utac_acc__Specification3_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret60;havoc __utac_acc__Specification3_spec__1_#t~ret60; {5031#(= 1 ~pumpRunning~0)} is VALID [2020-07-28 19:01:49,185 INFO L280 TraceCheckUtils]: 28: Hoare triple {5031#(= 1 ~pumpRunning~0)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {5032#(= 1 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:01:49,186 INFO L280 TraceCheckUtils]: 29: Hoare triple {5032#(= 1 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification3_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret61 && __utac_acc__Specification3_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret61;havoc __utac_acc__Specification3_spec__1_#t~ret61; {5033#(= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___1~1)} is VALID [2020-07-28 19:01:49,186 INFO L280 TraceCheckUtils]: 30: Hoare triple {5033#(= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___1~1)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {5030#false} is VALID [2020-07-28 19:01:49,186 INFO L280 TraceCheckUtils]: 31: Hoare triple {5030#false} assume !false; {5030#false} is VALID [2020-07-28 19:01:49,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:49,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485999740] [2020-07-28 19:01:49,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:49,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:01:49,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356021808] [2020-07-28 19:01:49,190 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 19:01:49,190 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:49,190 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:49,241 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:49,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:49,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:49,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:49,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:49,242 INFO L87 Difference]: Start difference. First operand 152 states and 208 transitions. Second operand 5 states. [2020-07-28 19:01:50,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:50,131 INFO L93 Difference]: Finished difference Result 325 states and 456 transitions. [2020-07-28 19:01:50,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:01:50,131 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 19:01:50,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:50,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:50,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 180 transitions. [2020-07-28 19:01:50,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 180 transitions. [2020-07-28 19:01:50,135 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 180 transitions. [2020-07-28 19:01:50,352 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 180 edges. 180 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:50,353 INFO L225 Difference]: With dead ends: 325 [2020-07-28 19:01:50,353 INFO L226 Difference]: Without dead ends: 63 [2020-07-28 19:01:50,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:01:50,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-07-28 19:01:50,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 60. [2020-07-28 19:01:50,462 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:50,462 INFO L82 GeneralOperation]: Start isEquivalent. First operand 63 states. Second operand 60 states. [2020-07-28 19:01:50,462 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 60 states. [2020-07-28 19:01:50,462 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 60 states. [2020-07-28 19:01:50,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:50,463 INFO L93 Difference]: Finished difference Result 63 states and 77 transitions. [2020-07-28 19:01:50,463 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2020-07-28 19:01:50,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:50,464 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:50,464 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 63 states. [2020-07-28 19:01:50,464 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 63 states. [2020-07-28 19:01:50,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:50,465 INFO L93 Difference]: Finished difference Result 63 states and 77 transitions. [2020-07-28 19:01:50,465 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2020-07-28 19:01:50,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:50,466 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:50,466 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:50,466 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:50,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-07-28 19:01:50,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 74 transitions. [2020-07-28 19:01:50,467 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 74 transitions. Word has length 32 [2020-07-28 19:01:50,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:50,467 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 74 transitions. [2020-07-28 19:01:50,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:50,468 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2020-07-28 19:01:50,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 19:01:50,468 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:50,468 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:50,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 19:01:50,469 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:50,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:50,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1969698978, now seen corresponding path program 1 times [2020-07-28 19:01:50,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:50,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204906667] [2020-07-28 19:01:50,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:50,565 INFO L280 TraceCheckUtils]: 0: Hoare triple {5705#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);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(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {5705#true} is VALID [2020-07-28 19:01:50,566 INFO L280 TraceCheckUtils]: 1: Hoare triple {5705#true} havoc main_#res;havoc main_#t~ret4, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; {5705#true} is VALID [2020-07-28 19:01:50,566 INFO L280 TraceCheckUtils]: 2: Hoare triple {5705#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {5705#true} is VALID [2020-07-28 19:01:50,566 INFO L280 TraceCheckUtils]: 3: Hoare triple {5705#true} main_#t~ret4 := valid_product_#res;assume -2147483648 <= main_#t~ret4 && main_#t~ret4 <= 2147483647;main_~tmp~1 := main_#t~ret4;havoc main_#t~ret4; {5705#true} is VALID [2020-07-28 19:01:50,566 INFO L280 TraceCheckUtils]: 4: Hoare triple {5705#true} assume 0 != main_~tmp~1; {5705#true} is VALID [2020-07-28 19:01:50,566 INFO L280 TraceCheckUtils]: 5: Hoare triple {5705#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5705#true} is VALID [2020-07-28 19:01:50,567 INFO L280 TraceCheckUtils]: 6: Hoare triple {5705#true} assume !false; {5705#true} is VALID [2020-07-28 19:01:50,567 INFO L280 TraceCheckUtils]: 7: Hoare triple {5705#true} assume test_~splverifierCounter~0 < 4; {5705#true} is VALID [2020-07-28 19:01:50,568 INFO L280 TraceCheckUtils]: 8: Hoare triple {5705#true} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {5705#true} is VALID [2020-07-28 19:01:50,568 INFO L280 TraceCheckUtils]: 9: Hoare triple {5705#true} assume 0 != test_~tmp~0; {5705#true} is VALID [2020-07-28 19:01:50,569 INFO L280 TraceCheckUtils]: 10: Hoare triple {5705#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {5705#true} is VALID [2020-07-28 19:01:50,569 INFO L280 TraceCheckUtils]: 11: Hoare triple {5705#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {5705#true} is VALID [2020-07-28 19:01:50,569 INFO L280 TraceCheckUtils]: 12: Hoare triple {5705#true} assume !(0 != test_~tmp___0~0); {5705#true} is VALID [2020-07-28 19:01:50,572 INFO L280 TraceCheckUtils]: 13: Hoare triple {5705#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {5705#true} is VALID [2020-07-28 19:01:50,572 INFO L280 TraceCheckUtils]: 14: Hoare triple {5705#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {5705#true} is VALID [2020-07-28 19:01:50,573 INFO L280 TraceCheckUtils]: 15: Hoare triple {5705#true} assume !(0 != ~pumpRunning~0); {5705#true} is VALID [2020-07-28 19:01:50,573 INFO L280 TraceCheckUtils]: 16: Hoare triple {5705#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {5705#true} is VALID [2020-07-28 19:01:50,573 INFO L280 TraceCheckUtils]: 17: Hoare triple {5705#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; {5705#true} is VALID [2020-07-28 19:01:50,573 INFO L280 TraceCheckUtils]: 18: Hoare triple {5705#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~9 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; {5705#true} is VALID [2020-07-28 19:01:50,574 INFO L280 TraceCheckUtils]: 19: Hoare triple {5705#true} isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret23 && isHighWaterLevel_#t~ret23 <= 2147483647;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; {5705#true} is VALID [2020-07-28 19:01:50,575 INFO L280 TraceCheckUtils]: 20: Hoare triple {5705#true} assume !(0 != isHighWaterLevel_~tmp~3);isHighWaterLevel_~tmp___0~1 := 1; {5707#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 19:01:50,575 INFO L280 TraceCheckUtils]: 21: Hoare triple {5707#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; {5708#(= 1 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 19:01:50,576 INFO L280 TraceCheckUtils]: 22: Hoare triple {5708#(= 1 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment_#t~ret5 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment_#t~ret5 && processEnvironment_#t~ret5 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret5;havoc processEnvironment_#t~ret5; {5709#(= 1 ULTIMATE.start_processEnvironment_~tmp~2)} is VALID [2020-07-28 19:01:50,577 INFO L280 TraceCheckUtils]: 23: Hoare triple {5709#(= 1 ULTIMATE.start_processEnvironment_~tmp~2)} assume !(0 != processEnvironment_~tmp~2); {5706#false} is VALID [2020-07-28 19:01:50,577 INFO L280 TraceCheckUtils]: 24: Hoare triple {5706#false} havoc __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; {5706#false} is VALID [2020-07-28 19:01:50,578 INFO L280 TraceCheckUtils]: 25: Hoare triple {5706#false} __utac_acc__Specification3_spec__1_#t~ret59 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret59 && __utac_acc__Specification3_spec__1_#t~ret59 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret59;havoc __utac_acc__Specification3_spec__1_#t~ret59; {5706#false} is VALID [2020-07-28 19:01:50,578 INFO L280 TraceCheckUtils]: 26: Hoare triple {5706#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; {5706#false} is VALID [2020-07-28 19:01:50,578 INFO L280 TraceCheckUtils]: 27: Hoare triple {5706#false} __utac_acc__Specification3_spec__1_#t~ret60 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret60 && __utac_acc__Specification3_spec__1_#t~ret60 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret60;havoc __utac_acc__Specification3_spec__1_#t~ret60; {5706#false} is VALID [2020-07-28 19:01:50,578 INFO L280 TraceCheckUtils]: 28: Hoare triple {5706#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~2;havoc isPumpRunning_~retValue_acc~2;isPumpRunning_~retValue_acc~2 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~2; {5706#false} is VALID [2020-07-28 19:01:50,578 INFO L280 TraceCheckUtils]: 29: Hoare triple {5706#false} __utac_acc__Specification3_spec__1_#t~ret61 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret61 && __utac_acc__Specification3_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret61;havoc __utac_acc__Specification3_spec__1_#t~ret61; {5706#false} is VALID [2020-07-28 19:01:50,579 INFO L280 TraceCheckUtils]: 30: Hoare triple {5706#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {5706#false} is VALID [2020-07-28 19:01:50,579 INFO L280 TraceCheckUtils]: 31: Hoare triple {5706#false} assume !false; {5706#false} is VALID [2020-07-28 19:01:50,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:50,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204906667] [2020-07-28 19:01:50,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:50,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:01:50,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861271271] [2020-07-28 19:01:50,586 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 19:01:50,587 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:50,587 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:50,631 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:50,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:50,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:50,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:50,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:50,632 INFO L87 Difference]: Start difference. First operand 60 states and 74 transitions. Second operand 5 states. [2020-07-28 19:01:51,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:51,219 INFO L93 Difference]: Finished difference Result 103 states and 128 transitions. [2020-07-28 19:01:51,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:01:51,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 19:01:51,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:51,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:51,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 81 transitions. [2020-07-28 19:01:51,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:51,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 81 transitions. [2020-07-28 19:01:51,221 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 81 transitions. [2020-07-28 19:01:51,320 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:51,320 INFO L225 Difference]: With dead ends: 103 [2020-07-28 19:01:51,320 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:01:51,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 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 19:01:51,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:01:51,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:01:51,321 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:51,322 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:01:51,322 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:01:51,322 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:01:51,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:51,322 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:01:51,322 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:01:51,322 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:51,323 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:51,323 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:01:51,323 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:01:51,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:51,323 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:01:51,323 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:01:51,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:51,323 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:51,323 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:51,324 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:51,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:01:51,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:01:51,324 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2020-07-28 19:01:51,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:51,324 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:01:51,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:51,324 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:01:51,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:51,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 19:01:51,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:01:51,946 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2020-07-28 19:01:52,305 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2020-07-28 19:01:52,305 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-07-28 19:01:52,305 INFO L264 CegarLoopResult]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse1 (= 1 ~pumpRunning~0)) (and (= 0 ULTIMATE.start_processEnvironment_~tmp~2) .cse0 (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) .cse1))) [2020-07-28 19:01:52,305 INFO L264 CegarLoopResult]: At program point L234-1(lines 234 240) the Hoare annotation is: false [2020-07-28 19:01:52,305 INFO L264 CegarLoopResult]: At program point L234-2(lines 234 240) the Hoare annotation is: false [2020-07-28 19:01:52,306 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:01:52,306 INFO L268 CegarLoopResult]: For program point L763(lines 763 776) no Hoare annotation was computed. [2020-07-28 19:01:52,306 INFO L264 CegarLoopResult]: At program point L763-1(lines 1 918) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse1 (= 1 ~pumpRunning~0)) (and .cse0 (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) .cse1))) [2020-07-28 19:01:52,306 INFO L268 CegarLoopResult]: For program point L763-2(lines 763 776) no Hoare annotation was computed. [2020-07-28 19:01:52,306 INFO L264 CegarLoopResult]: At program point L763-3(lines 1 918) the Hoare annotation is: false [2020-07-28 19:01:52,306 INFO L268 CegarLoopResult]: For program point L763-4(lines 763 776) no Hoare annotation was computed. [2020-07-28 19:01:52,306 INFO L264 CegarLoopResult]: At program point L763-5(lines 1 918) the Hoare annotation is: false [2020-07-28 19:01:52,306 INFO L264 CegarLoopResult]: At program point L879(lines 870 883) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:01:52,307 INFO L264 CegarLoopResult]: At program point L367(lines 352 370) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse3 (= 1 ~systemActive~0))) (or (and (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse0 .cse1 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and (<= 2 ~waterLevel~0) .cse0 (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse4 (= 1 |ULTIMATE.start_isHighWaterLevel_#res|) .cse3 (= 1 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)))) [2020-07-28 19:01:52,307 INFO L264 CegarLoopResult]: At program point L879-1(lines 870 883) the Hoare annotation is: false [2020-07-28 19:01:52,307 INFO L264 CegarLoopResult]: At program point L367-1(lines 352 370) the Hoare annotation is: false [2020-07-28 19:01:52,308 INFO L264 CegarLoopResult]: At program point L879-2(lines 870 883) the Hoare annotation is: false [2020-07-28 19:01:52,308 INFO L264 CegarLoopResult]: At program point L367-2(lines 352 370) the Hoare annotation is: false [2020-07-28 19:01:52,308 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: false [2020-07-28 19:01:52,308 INFO L268 CegarLoopResult]: For program point L797(lines 797 801) no Hoare annotation was computed. [2020-07-28 19:01:52,309 INFO L268 CegarLoopResult]: For program point L797-3(lines 797 801) no Hoare annotation was computed. [2020-07-28 19:01:52,309 INFO L268 CegarLoopResult]: For program point L797-6(lines 797 801) no Hoare annotation was computed. [2020-07-28 19:01:52,309 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-07-28 19:01:52,309 INFO L264 CegarLoopResult]: At program point L915(lines 910 918) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:01:52,309 INFO L264 CegarLoopResult]: At program point L172(lines 168 174) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:01:52,310 INFO L264 CegarLoopResult]: At program point L866(lines 861 869) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse1 (= 1 ~pumpRunning~0)) (and (= 0 ULTIMATE.start_processEnvironment_~tmp~2) (= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse0 (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) .cse1))) [2020-07-28 19:01:52,310 INFO L264 CegarLoopResult]: At program point L866-1(lines 861 869) the Hoare annotation is: false [2020-07-28 19:01:52,310 INFO L264 CegarLoopResult]: At program point L866-2(lines 861 869) the Hoare annotation is: false [2020-07-28 19:01:52,310 INFO L268 CegarLoopResult]: For program point L767(lines 767 773) no Hoare annotation was computed. [2020-07-28 19:01:52,310 INFO L268 CegarLoopResult]: For program point L767-2(lines 767 773) no Hoare annotation was computed. [2020-07-28 19:01:52,311 INFO L268 CegarLoopResult]: For program point L767-4(lines 767 773) no Hoare annotation was computed. [2020-07-28 19:01:52,311 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-07-28 19:01:52,311 INFO L264 CegarLoopResult]: At program point L123-2(lines 123 137) the Hoare annotation is: false [2020-07-28 19:01:52,311 INFO L264 CegarLoopResult]: At program point L834(lines 829 837) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse1 (= 1 ~pumpRunning~0)) (and (= 0 ULTIMATE.start_processEnvironment_~tmp~2) .cse0 (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) .cse1))) [2020-07-28 19:01:52,311 INFO L264 CegarLoopResult]: At program point L834-1(lines 829 837) the Hoare annotation is: false [2020-07-28 19:01:52,312 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:01:52,312 INFO L264 CegarLoopResult]: At program point L834-2(lines 829 837) the Hoare annotation is: false [2020-07-28 19:01:52,312 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-28 19:01:52,312 INFO L271 CegarLoopResult]: At program point L207(lines 188 210) the Hoare annotation is: true [2020-07-28 19:01:52,312 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-28 19:01:52,313 INFO L264 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse2 (= 1 ~pumpRunning~0)) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:01:52,313 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2020-07-28 19:01:52,313 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-07-28 19:01:52,313 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-07-28 19:01:52,314 INFO L268 CegarLoopResult]: For program point L786-2(line 786) no Hoare annotation was computed. [2020-07-28 19:01:52,314 INFO L268 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2020-07-28 19:01:52,314 INFO L264 CegarLoopResult]: At program point L93-2(lines 227 233) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse2 (= 1 ~pumpRunning~0)) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:01:52,314 INFO L268 CegarLoopResult]: For program point L259(lines 259 276) no Hoare annotation was computed. [2020-07-28 19:01:52,314 INFO L268 CegarLoopResult]: For program point L259-1(lines 259 276) no Hoare annotation was computed. [2020-07-28 19:01:52,315 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 276) no Hoare annotation was computed. [2020-07-28 19:01:52,315 INFO L268 CegarLoopResult]: For program point L127(lines 127 131) no Hoare annotation was computed. [2020-07-28 19:01:52,315 INFO L268 CegarLoopResult]: For program point L127-1(lines 227 233) no Hoare annotation was computed. [2020-07-28 19:01:52,315 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:01:52,315 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-07-28 19:01:52,316 INFO L264 CegarLoopResult]: At program point L227(lines 226 245) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse2 (= 1 ~pumpRunning~0)) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:01:52,316 INFO L268 CegarLoopResult]: For program point L227-1(lines 227 233) no Hoare annotation was computed. [2020-07-28 19:01:52,316 INFO L264 CegarLoopResult]: At program point L227-2(lines 226 245) the Hoare annotation is: false [2020-07-28 19:01:52,316 INFO L264 CegarLoopResult]: At program point L227-3(lines 226 245) the Hoare annotation is: false [2020-07-28 19:01:52,316 INFO L268 CegarLoopResult]: For program point L757(lines 757 777) no Hoare annotation was computed. [2020-07-28 19:01:52,317 INFO L268 CegarLoopResult]: For program point L757-2(lines 757 777) no Hoare annotation was computed. [2020-07-28 19:01:52,317 INFO L268 CegarLoopResult]: For program point L757-4(lines 757 777) no Hoare annotation was computed. [2020-07-28 19:01:52,317 INFO L268 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-07-28 19:01:52,317 INFO L268 CegarLoopResult]: For program point L361-2(lines 361 365) no Hoare annotation was computed. [2020-07-28 19:01:52,317 INFO L268 CegarLoopResult]: For program point L361-3(lines 361 365) no Hoare annotation was computed. [2020-07-28 19:01:52,318 INFO L268 CegarLoopResult]: For program point L361-5(lines 361 365) no Hoare annotation was computed. [2020-07-28 19:01:52,318 INFO L268 CegarLoopResult]: For program point L361-6(lines 361 365) no Hoare annotation was computed. [2020-07-28 19:01:52,318 INFO L268 CegarLoopResult]: For program point L361-8(lines 361 365) no Hoare annotation was computed. [2020-07-28 19:01:52,318 INFO L264 CegarLoopResult]: At program point L312(lines 307 315) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= 1 ~systemActive~0) (= 1 ~pumpRunning~0)) [2020-07-28 19:01:52,318 INFO L264 CegarLoopResult]: At program point L312-1(lines 307 315) the Hoare annotation is: false [2020-07-28 19:01:52,318 INFO L264 CegarLoopResult]: At program point L312-2(lines 307 315) the Hoare annotation is: false [2020-07-28 19:01:52,319 INFO L264 CegarLoopResult]: At program point L907(lines 1 918) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:01:52,319 INFO L268 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2020-07-28 19:01:52,319 INFO L268 CegarLoopResult]: For program point L874-1(lines 874 880) no Hoare annotation was computed. [2020-07-28 19:01:52,319 INFO L268 CegarLoopResult]: For program point L874-2(lines 874 880) no Hoare annotation was computed. [2020-07-28 19:01:52,319 INFO L268 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2020-07-28 19:01:52,320 INFO L268 CegarLoopResult]: For program point L263-1(lines 263 271) no Hoare annotation was computed. [2020-07-28 19:01:52,320 INFO L268 CegarLoopResult]: For program point L263-2(lines 263 271) no Hoare annotation was computed. [2020-07-28 19:01:52,320 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-07-28 19:01:52,320 INFO L264 CegarLoopResult]: At program point L65-1(lines 65 71) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse2 (= 1 ~pumpRunning~0)) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2))) [2020-07-28 19:01:52,320 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:01:52,321 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2020-07-28 19:01:52,321 INFO L268 CegarLoopResult]: For program point L809(lines 809 813) no Hoare annotation was computed. [2020-07-28 19:01:52,321 INFO L268 CegarLoopResult]: For program point L198(lines 198 205) no Hoare annotation was computed. [2020-07-28 19:01:52,321 INFO L271 CegarLoopResult]: At program point L198-1(lines 198 205) the Hoare annotation is: true [2020-07-28 19:01:52,326 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:01:52,326 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:01:52,327 WARN L170 areAnnotationChecker]: L198 has no Hoare annotation [2020-07-28 19:01:52,327 WARN L170 areAnnotationChecker]: L198 has no Hoare annotation [2020-07-28 19:01:52,327 WARN L170 areAnnotationChecker]: L198 has no Hoare annotation [2020-07-28 19:01:52,329 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:01:52,329 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:52,329 WARN L170 areAnnotationChecker]: L227-1 has no Hoare annotation [2020-07-28 19:01:52,329 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:01:52,329 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 19:01:52,330 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:52,330 WARN L170 areAnnotationChecker]: L227-1 has no Hoare annotation [2020-07-28 19:01:52,330 WARN L170 areAnnotationChecker]: L227-1 has no Hoare annotation [2020-07-28 19:01:52,330 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-28 19:01:52,330 WARN L170 areAnnotationChecker]: L797-3 has no Hoare annotation [2020-07-28 19:01:52,330 WARN L170 areAnnotationChecker]: L797-3 has no Hoare annotation [2020-07-28 19:01:52,330 WARN L170 areAnnotationChecker]: L259-1 has no Hoare annotation [2020-07-28 19:01:52,330 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:01:52,330 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:01:52,330 WARN L170 areAnnotationChecker]: L259-1 has no Hoare annotation [2020-07-28 19:01:52,330 WARN L170 areAnnotationChecker]: L259-1 has no Hoare annotation [2020-07-28 19:01:52,331 WARN L170 areAnnotationChecker]: L809 has no Hoare annotation [2020-07-28 19:01:52,331 WARN L170 areAnnotationChecker]: L809 has no Hoare annotation [2020-07-28 19:01:52,331 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 19:01:52,331 WARN L170 areAnnotationChecker]: L874-1 has no Hoare annotation [2020-07-28 19:01:52,331 WARN L170 areAnnotationChecker]: L874-1 has no Hoare annotation [2020-07-28 19:01:52,331 WARN L170 areAnnotationChecker]: L757-2 has no Hoare annotation [2020-07-28 19:01:52,331 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 19:01:52,331 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 19:01:52,331 WARN L170 areAnnotationChecker]: L361-3 has no Hoare annotation [2020-07-28 19:01:52,331 WARN L170 areAnnotationChecker]: L757-2 has no Hoare annotation [2020-07-28 19:01:52,331 WARN L170 areAnnotationChecker]: L757-2 has no Hoare annotation [2020-07-28 19:01:52,332 WARN L170 areAnnotationChecker]: L821 has no Hoare annotation [2020-07-28 19:01:52,332 WARN L170 areAnnotationChecker]: L821 has no Hoare annotation [2020-07-28 19:01:52,332 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 19:01:52,332 WARN L170 areAnnotationChecker]: L361-3 has no Hoare annotation [2020-07-28 19:01:52,332 WARN L170 areAnnotationChecker]: L361-3 has no Hoare annotation [2020-07-28 19:01:52,333 WARN L170 areAnnotationChecker]: L763-2 has no Hoare annotation [2020-07-28 19:01:52,333 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 19:01:52,333 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 19:01:52,333 WARN L170 areAnnotationChecker]: L361-5 has no Hoare annotation [2020-07-28 19:01:52,333 WARN L170 areAnnotationChecker]: L124 has no Hoare annotation [2020-07-28 19:01:52,334 WARN L170 areAnnotationChecker]: L763-2 has no Hoare annotation [2020-07-28 19:01:52,334 WARN L170 areAnnotationChecker]: L763-2 has no Hoare annotation [2020-07-28 19:01:52,334 WARN L170 areAnnotationChecker]: L797 has no Hoare annotation [2020-07-28 19:01:52,335 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 19:01:52,335 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 19:01:52,335 WARN L170 areAnnotationChecker]: L263-1 has no Hoare annotation [2020-07-28 19:01:52,335 WARN L170 areAnnotationChecker]: L124 has no Hoare annotation [2020-07-28 19:01:52,335 WARN L170 areAnnotationChecker]: L767-2 has no Hoare annotation [2020-07-28 19:01:52,335 WARN L170 areAnnotationChecker]: L797 has no Hoare annotation [2020-07-28 19:01:52,335 WARN L170 areAnnotationChecker]: L797 has no Hoare annotation [2020-07-28 19:01:52,335 WARN L170 areAnnotationChecker]: L259 has no Hoare annotation [2020-07-28 19:01:52,337 WARN L170 areAnnotationChecker]: L263-1 has no Hoare annotation [2020-07-28 19:01:52,337 WARN L170 areAnnotationChecker]: L263-1 has no Hoare annotation [2020-07-28 19:01:52,337 WARN L170 areAnnotationChecker]: L127 has no Hoare annotation [2020-07-28 19:01:52,337 WARN L170 areAnnotationChecker]: L127 has no Hoare annotation [2020-07-28 19:01:52,337 WARN L170 areAnnotationChecker]: L767-2 has no Hoare annotation [2020-07-28 19:01:52,337 WARN L170 areAnnotationChecker]: L767-2 has no Hoare annotation [2020-07-28 19:01:52,337 WARN L170 areAnnotationChecker]: L259 has no Hoare annotation [2020-07-28 19:01:52,337 WARN L170 areAnnotationChecker]: L259 has no Hoare annotation [2020-07-28 19:01:52,338 WARN L170 areAnnotationChecker]: L127-1 has no Hoare annotation [2020-07-28 19:01:52,338 WARN L170 areAnnotationChecker]: L127-1 has no Hoare annotation [2020-07-28 19:01:52,339 WARN L170 areAnnotationChecker]: L786-1 has no Hoare annotation [2020-07-28 19:01:52,339 WARN L170 areAnnotationChecker]: L786-1 has no Hoare annotation [2020-07-28 19:01:52,339 WARN L170 areAnnotationChecker]: L874 has no Hoare annotation [2020-07-28 19:01:52,339 WARN L170 areAnnotationChecker]: L874 has no Hoare annotation [2020-07-28 19:01:52,339 WARN L170 areAnnotationChecker]: L757 has no Hoare annotation [2020-07-28 19:01:52,339 WARN L170 areAnnotationChecker]: L797-6 has no Hoare annotation [2020-07-28 19:01:52,339 WARN L170 areAnnotationChecker]: L797-6 has no Hoare annotation [2020-07-28 19:01:52,340 WARN L170 areAnnotationChecker]: L259-2 has no Hoare annotation [2020-07-28 19:01:52,340 WARN L170 areAnnotationChecker]: L361 has no Hoare annotation [2020-07-28 19:01:52,340 WARN L170 areAnnotationChecker]: L757 has no Hoare annotation [2020-07-28 19:01:52,340 WARN L170 areAnnotationChecker]: L757 has no Hoare annotation [2020-07-28 19:01:52,340 WARN L170 areAnnotationChecker]: L259-2 has no Hoare annotation [2020-07-28 19:01:52,340 WARN L170 areAnnotationChecker]: L259-2 has no Hoare annotation [2020-07-28 19:01:52,340 WARN L170 areAnnotationChecker]: L361 has no Hoare annotation [2020-07-28 19:01:52,340 WARN L170 areAnnotationChecker]: L361 has no Hoare annotation [2020-07-28 19:01:52,340 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-28 19:01:52,341 WARN L170 areAnnotationChecker]: L874-2 has no Hoare annotation [2020-07-28 19:01:52,341 WARN L170 areAnnotationChecker]: L874-2 has no Hoare annotation [2020-07-28 19:01:52,341 WARN L170 areAnnotationChecker]: L757-4 has no Hoare annotation [2020-07-28 19:01:52,341 WARN L170 areAnnotationChecker]: L361-2 has no Hoare annotation [2020-07-28 19:01:52,341 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-28 19:01:52,341 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-28 19:01:52,341 WARN L170 areAnnotationChecker]: L361-6 has no Hoare annotation [2020-07-28 19:01:52,341 WARN L170 areAnnotationChecker]: L757-4 has no Hoare annotation [2020-07-28 19:01:52,341 WARN L170 areAnnotationChecker]: L757-4 has no Hoare annotation [2020-07-28 19:01:52,341 WARN L170 areAnnotationChecker]: L263 has no Hoare annotation [2020-07-28 19:01:52,341 WARN L170 areAnnotationChecker]: L767 has no Hoare annotation [2020-07-28 19:01:52,342 WARN L170 areAnnotationChecker]: L361-6 has no Hoare annotation [2020-07-28 19:01:52,342 WARN L170 areAnnotationChecker]: L361-6 has no Hoare annotation [2020-07-28 19:01:52,342 WARN L170 areAnnotationChecker]: L763-4 has no Hoare annotation [2020-07-28 19:01:52,342 WARN L170 areAnnotationChecker]: L263 has no Hoare annotation [2020-07-28 19:01:52,342 WARN L170 areAnnotationChecker]: L263 has no Hoare annotation [2020-07-28 19:01:52,342 WARN L170 areAnnotationChecker]: L767 has no Hoare annotation [2020-07-28 19:01:52,342 WARN L170 areAnnotationChecker]: L767 has no Hoare annotation [2020-07-28 19:01:52,342 WARN L170 areAnnotationChecker]: L361-8 has no Hoare annotation [2020-07-28 19:01:52,342 WARN L170 areAnnotationChecker]: L763-4 has no Hoare annotation [2020-07-28 19:01:52,342 WARN L170 areAnnotationChecker]: L763-4 has no Hoare annotation [2020-07-28 19:01:52,343 WARN L170 areAnnotationChecker]: L786 has no Hoare annotation [2020-07-28 19:01:52,343 WARN L170 areAnnotationChecker]: L786 has no Hoare annotation [2020-07-28 19:01:52,343 WARN L170 areAnnotationChecker]: L263-2 has no Hoare annotation [2020-07-28 19:01:52,343 WARN L170 areAnnotationChecker]: L767-4 has no Hoare annotation [2020-07-28 19:01:52,343 WARN L170 areAnnotationChecker]: L263-2 has no Hoare annotation [2020-07-28 19:01:52,343 WARN L170 areAnnotationChecker]: L263-2 has no Hoare annotation [2020-07-28 19:01:52,344 WARN L170 areAnnotationChecker]: L767-4 has no Hoare annotation [2020-07-28 19:01:52,344 WARN L170 areAnnotationChecker]: L767-4 has no Hoare annotation [2020-07-28 19:01:52,345 WARN L170 areAnnotationChecker]: L786-2 has no Hoare annotation [2020-07-28 19:01:52,345 WARN L170 areAnnotationChecker]: L786-2 has no Hoare annotation [2020-07-28 19:01:52,345 INFO L163 areAnnotationChecker]: CFG has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:01:52,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:01:52 BoogieIcfgContainer [2020-07-28 19:01:52,371 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:01:52,371 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:01:52,371 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:01:52,372 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:01:52,372 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:40" (3/4) ... [2020-07-28 19:01:52,376 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:01:52,394 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:01:52,395 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:01:52,396 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:01:52,397 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:01:52,398 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:01:52,399 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:01:52,399 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:01:52,436 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:01:52,437 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && 0 == tmp) && 1 == systemActive) && 1 == pumpRunning) || (((((0 == tmp && 1 == \result) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:01:52,437 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == tmp___0 && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == waterLevel) && 1 == systemActive) || ((((0 == splverifierCounter && 0 == pumpRunning) && 0 == tmp) && 1 == waterLevel) && 1 == systemActive)) || (((((((2 <= waterLevel && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 0 == tmp) && 1 == \result) && 1 == systemActive) && 1 == tmp___0) [2020-07-28 19:01:52,438 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && 1 == \result) && 0 == tmp) && 1 == systemActive) && 1 == pumpRunning [2020-07-28 19:01:52,495 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:01:52,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:01:52,497 INFO L168 Benchmark]: Toolchain (without parser) took 14376.50 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 369.6 MB). Free memory was 956.2 MB in the beginning and 1.3 GB in the end (delta: -317.8 MB). Peak memory consumption was 51.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:52,498 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:52,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:52,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:52,499 INFO L168 Benchmark]: Boogie Preprocessor took 45.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:52,499 INFO L168 Benchmark]: RCFGBuilder took 1480.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 960.6 MB in the end (delta: 143.9 MB). Peak memory consumption was 143.9 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:52,500 INFO L168 Benchmark]: TraceAbstraction took 11903.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 228.6 MB). Free memory was 960.6 MB in the beginning and 1.3 GB in the end (delta: -324.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:52,500 INFO L168 Benchmark]: Witness Printer took 123.78 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:52,502 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 0.70 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 714.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1480.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 960.6 MB in the end (delta: 143.9 MB). Peak memory consumption was 143.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11903.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 228.6 MB). Free memory was 960.6 MB in the beginning and 1.3 GB in the end (delta: -324.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 123.78 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 786]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 786]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 786]: 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: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == tmp) && 1 == systemActive) && 1 == pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 1 == \result) && 0 == tmp) && 1 == systemActive) && 1 == pumpRunning - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 0 == tmp) && 1 == systemActive) && 1 == pumpRunning) || (((((0 == tmp && 1 == \result) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == tmp) && 1 == systemActive) && 1 == pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: ((((((0 == tmp___0 && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == waterLevel) && 1 == systemActive) || ((((0 == splverifierCounter && 0 == pumpRunning) && 0 == tmp) && 1 == waterLevel) && 1 == systemActive)) || (((((((2 <= waterLevel && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 0 == tmp) && 1 == \result) && 1 == systemActive) && 1 == tmp___0) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 0 == tmp) && 1 == systemActive) && 1 == pumpRunning) || ((((0 == tmp && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == tmp) && 1 == systemActive) && 1 == pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 0 == tmp) && 1 == systemActive) && 1 == pumpRunning) || ((((0 == tmp && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 0 == tmp) && 1 == systemActive) && 1 == pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 0 == tmp) && 1 == systemActive) && 1 == pumpRunning) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.7s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 743 SDtfs, 655 SDslu, 952 SDs, 0 SdLazy, 144 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 294 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 34 PreInvPairs, 98 NumberOfFragments, 437 HoareAnnotationTreeSize, 34 FomulaSimplifications, 6251 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 34 FomulaSimplificationsInter, 470 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 11954 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...