./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product39.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 f2f38c4f83f0a2ec969b4b77f5129e3dfefde6fe ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:58:09,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:58:09,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:58:09,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:58:09,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:58:09,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:58:09,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:58:09,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:58:09,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:58:09,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:58:09,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:58:09,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:58:09,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:58:09,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:58:09,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:58:09,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:58:09,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:58:09,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:58:09,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:58:09,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:58:09,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:58:09,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:58:09,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:58:09,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:58:09,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:58:09,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:58:09,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:58:09,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:58:09,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:58:09,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:58:09,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:58:09,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:58:09,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:58:09,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:58:09,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:58:09,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:58:09,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:58:09,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:58:09,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:58:09,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:58:09,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:58:09,810 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:58:09,831 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:58:09,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:58:09,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:58:09,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:58:09,834 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:58:09,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:58:09,834 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:58:09,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:58:09,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:58:09,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:58:09,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:58:09,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:58:09,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:58:09,837 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:58:09,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:58:09,838 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:58:09,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:58:09,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:58:09,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:58:09,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:58:09,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:58:09,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:09,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:58:09,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:58:09,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:58:09,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:58:09,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:58:09,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:58:09,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:58:09,843 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 -> f2f38c4f83f0a2ec969b4b77f5129e3dfefde6fe [2020-07-28 18:58:10,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:58:10,191 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:58:10,195 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:58:10,197 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:58:10,197 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:58:10,198 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c [2020-07-28 18:58:10,278 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4943c0714/d64223e790fb4401a567e91a7a04b544/FLAGcaef612a2 [2020-07-28 18:58:10,863 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:58:10,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product39.cil.c [2020-07-28 18:58:10,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4943c0714/d64223e790fb4401a567e91a7a04b544/FLAGcaef612a2 [2020-07-28 18:58:11,202 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4943c0714/d64223e790fb4401a567e91a7a04b544 [2020-07-28 18:58:11,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:58:11,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:58:11,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:11,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:58:11,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:58:11,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:11,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ee44997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11, skipping insertion in model container [2020-07-28 18:58:11,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:11,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:58:11,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:58:11,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:11,740 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:58:11,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:11,943 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:58:11,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11 WrapperNode [2020-07-28 18:58:11,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:11,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:11,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:58:11,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:58:11,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:11,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:12,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:12,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:58:12,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:58:12,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:58:12,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:12,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:12,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:12,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:12,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:12,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:12,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... [2020-07-28 18:58:12,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:58:12,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:58:12,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:58:12,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:58:12,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:58:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:58:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:58:12,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:58:13,858 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:58:13,858 INFO L295 CfgBuilder]: Removed 160 assume(true) statements. [2020-07-28 18:58:13,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:13 BoogieIcfgContainer [2020-07-28 18:58:13,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:58:13,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:58:13,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:58:13,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:58:13,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:58:11" (1/3) ... [2020-07-28 18:58:13,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b800cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:13, skipping insertion in model container [2020-07-28 18:58:13,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:11" (2/3) ... [2020-07-28 18:58:13,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b800cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:13, skipping insertion in model container [2020-07-28 18:58:13,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:13" (3/3) ... [2020-07-28 18:58:13,875 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product39.cil.c [2020-07-28 18:58:13,887 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:58:13,898 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:58:13,915 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:58:13,949 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:58:13,949 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:58:13,949 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:58:13,950 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:58:13,950 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:58:13,951 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:58:13,951 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:58:13,951 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:58:13,980 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2020-07-28 18:58:13,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:58:13,990 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:13,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:13,991 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:14,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:14,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1221872895, now seen corresponding path program 1 times [2020-07-28 18:58:14,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:14,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452435270] [2020-07-28 18:58:14,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:14,401 INFO L280 TraceCheckUtils]: 0: Hoare triple {116#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {116#true} is VALID [2020-07-28 18:58:14,402 INFO L280 TraceCheckUtils]: 1: Hoare triple {116#true} havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {116#true} is VALID [2020-07-28 18:58:14,402 INFO L280 TraceCheckUtils]: 2: Hoare triple {116#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {116#true} is VALID [2020-07-28 18:58:14,402 INFO L280 TraceCheckUtils]: 3: Hoare triple {116#true} main_#t~ret72 := valid_product_#res;assume -2147483648 <= main_#t~ret72 && main_#t~ret72 <= 2147483647;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; {116#true} is VALID [2020-07-28 18:58:14,403 INFO L280 TraceCheckUtils]: 4: Hoare triple {116#true} assume 0 != main_~tmp~8; {116#true} is VALID [2020-07-28 18:58:14,403 INFO L280 TraceCheckUtils]: 5: Hoare triple {116#true} havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {116#true} is VALID [2020-07-28 18:58:14,405 INFO L280 TraceCheckUtils]: 6: Hoare triple {116#true} assume false; {117#false} is VALID [2020-07-28 18:58:14,405 INFO L280 TraceCheckUtils]: 7: Hoare triple {117#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {117#false} is VALID [2020-07-28 18:58:14,405 INFO L280 TraceCheckUtils]: 8: Hoare triple {117#false} assume !(0 != ~pumpRunning~0); {117#false} is VALID [2020-07-28 18:58:14,406 INFO L280 TraceCheckUtils]: 9: Hoare triple {117#false} assume !(0 != ~systemActive~0); {117#false} is VALID [2020-07-28 18:58:14,406 INFO L280 TraceCheckUtils]: 10: Hoare triple {117#false} havoc __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {117#false} is VALID [2020-07-28 18:58:14,407 INFO L280 TraceCheckUtils]: 11: Hoare triple {117#false} __utac_acc__Specification1_spec__1_#t~ret35 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret35 && __utac_acc__Specification1_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; {117#false} is VALID [2020-07-28 18:58:14,407 INFO L280 TraceCheckUtils]: 12: Hoare triple {117#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {117#false} is VALID [2020-07-28 18:58:14,408 INFO L280 TraceCheckUtils]: 13: Hoare triple {117#false} __utac_acc__Specification1_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret36 && __utac_acc__Specification1_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret36;havoc __utac_acc__Specification1_spec__1_#t~ret36; {117#false} is VALID [2020-07-28 18:58:14,408 INFO L280 TraceCheckUtils]: 14: Hoare triple {117#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {117#false} is VALID [2020-07-28 18:58:14,408 INFO L280 TraceCheckUtils]: 15: Hoare triple {117#false} assume !false; {117#false} is VALID [2020-07-28 18:58:14,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:14,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452435270] [2020-07-28 18:58:14,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:14,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:14,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229338488] [2020-07-28 18:58:14,422 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:14,424 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:14,428 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:58:14,470 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:14,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:58:14,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:14,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:58:14,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:14,484 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2020-07-28 18:58:14,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:14,893 INFO L93 Difference]: Finished difference Result 220 states and 335 transitions. [2020-07-28 18:58:14,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:58:14,894 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:14,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:14,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:14,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 335 transitions. [2020-07-28 18:58:14,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 335 transitions. [2020-07-28 18:58:14,918 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 335 transitions. [2020-07-28 18:58:15,338 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 335 edges. 335 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:15,355 INFO L225 Difference]: With dead ends: 220 [2020-07-28 18:58:15,356 INFO L226 Difference]: Without dead ends: 109 [2020-07-28 18:58:15,361 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:15,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-28 18:58:15,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-07-28 18:58:15,431 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:15,432 INFO L82 GeneralOperation]: Start isEquivalent. First operand 109 states. Second operand 109 states. [2020-07-28 18:58:15,432 INFO L74 IsIncluded]: Start isIncluded. First operand 109 states. Second operand 109 states. [2020-07-28 18:58:15,433 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 109 states. [2020-07-28 18:58:15,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:15,469 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2020-07-28 18:58:15,469 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2020-07-28 18:58:15,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:15,471 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:15,471 INFO L74 IsIncluded]: Start isIncluded. First operand 109 states. Second operand 109 states. [2020-07-28 18:58:15,471 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 109 states. [2020-07-28 18:58:15,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:15,478 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2020-07-28 18:58:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2020-07-28 18:58:15,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:15,480 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:15,480 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:15,480 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:15,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-07-28 18:58:15,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 159 transitions. [2020-07-28 18:58:15,490 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 159 transitions. Word has length 16 [2020-07-28 18:58:15,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:15,491 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 159 transitions. [2020-07-28 18:58:15,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:58:15,491 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2020-07-28 18:58:15,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:58:15,492 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:15,492 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:15,492 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:58:15,493 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:15,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:15,495 INFO L82 PathProgramCache]: Analyzing trace with hash 175115998, now seen corresponding path program 1 times [2020-07-28 18:58:15,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:15,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258319063] [2020-07-28 18:58:15,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:15,697 INFO L280 TraceCheckUtils]: 0: Hoare triple {794#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {794#true} is VALID [2020-07-28 18:58:15,697 INFO L280 TraceCheckUtils]: 1: Hoare triple {794#true} havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {794#true} is VALID [2020-07-28 18:58:15,697 INFO L280 TraceCheckUtils]: 2: Hoare triple {794#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {794#true} is VALID [2020-07-28 18:58:15,698 INFO L280 TraceCheckUtils]: 3: Hoare triple {794#true} main_#t~ret72 := valid_product_#res;assume -2147483648 <= main_#t~ret72 && main_#t~ret72 <= 2147483647;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; {794#true} is VALID [2020-07-28 18:58:15,698 INFO L280 TraceCheckUtils]: 4: Hoare triple {794#true} assume 0 != main_~tmp~8; {794#true} is VALID [2020-07-28 18:58:15,702 INFO L280 TraceCheckUtils]: 5: Hoare triple {794#true} havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {796#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:15,704 INFO L280 TraceCheckUtils]: 6: Hoare triple {796#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {796#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:15,705 INFO L280 TraceCheckUtils]: 7: Hoare triple {796#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {795#false} is VALID [2020-07-28 18:58:15,706 INFO L280 TraceCheckUtils]: 8: Hoare triple {795#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {795#false} is VALID [2020-07-28 18:58:15,706 INFO L280 TraceCheckUtils]: 9: Hoare triple {795#false} assume !(0 != ~pumpRunning~0); {795#false} is VALID [2020-07-28 18:58:15,706 INFO L280 TraceCheckUtils]: 10: Hoare triple {795#false} assume !(0 != ~systemActive~0); {795#false} is VALID [2020-07-28 18:58:15,707 INFO L280 TraceCheckUtils]: 11: Hoare triple {795#false} havoc __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {795#false} is VALID [2020-07-28 18:58:15,707 INFO L280 TraceCheckUtils]: 12: Hoare triple {795#false} __utac_acc__Specification1_spec__1_#t~ret35 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret35 && __utac_acc__Specification1_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; {795#false} is VALID [2020-07-28 18:58:15,707 INFO L280 TraceCheckUtils]: 13: Hoare triple {795#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {795#false} is VALID [2020-07-28 18:58:15,707 INFO L280 TraceCheckUtils]: 14: Hoare triple {795#false} __utac_acc__Specification1_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret36 && __utac_acc__Specification1_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret36;havoc __utac_acc__Specification1_spec__1_#t~ret36; {795#false} is VALID [2020-07-28 18:58:15,708 INFO L280 TraceCheckUtils]: 15: Hoare triple {795#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {795#false} is VALID [2020-07-28 18:58:15,708 INFO L280 TraceCheckUtils]: 16: Hoare triple {795#false} assume !false; {795#false} is VALID [2020-07-28 18:58:15,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:15,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258319063] [2020-07-28 18:58:15,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:15,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:15,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629842926] [2020-07-28 18:58:15,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:15,718 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:15,718 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:15,753 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:15,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:15,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:15,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:15,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:15,754 INFO L87 Difference]: Start difference. First operand 109 states and 159 transitions. Second operand 3 states. [2020-07-28 18:58:16,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:16,000 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2020-07-28 18:58:16,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:16,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:16,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:16,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:16,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2020-07-28 18:58:16,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:16,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2020-07-28 18:58:16,007 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 159 transitions. [2020-07-28 18:58:16,198 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 159 edges. 159 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:16,200 INFO L225 Difference]: With dead ends: 109 [2020-07-28 18:58:16,201 INFO L226 Difference]: Without dead ends: 47 [2020-07-28 18:58:16,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:16,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-07-28 18:58:16,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-07-28 18:58:16,232 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:16,233 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:16,233 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:16,233 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:16,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:16,235 INFO L93 Difference]: Finished difference Result 47 states and 68 transitions. [2020-07-28 18:58:16,236 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-07-28 18:58:16,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:16,236 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:16,236 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:16,237 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 47 states. [2020-07-28 18:58:16,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:16,239 INFO L93 Difference]: Finished difference Result 47 states and 68 transitions. [2020-07-28 18:58:16,239 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-07-28 18:58:16,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:16,240 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:16,240 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:16,240 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:16,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-07-28 18:58:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2020-07-28 18:58:16,243 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2020-07-28 18:58:16,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:16,243 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2020-07-28 18:58:16,243 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:16,243 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-07-28 18:58:16,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:58:16,244 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:16,244 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:16,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:58:16,245 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:16,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:16,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1744081540, now seen corresponding path program 1 times [2020-07-28 18:58:16,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:16,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895152237] [2020-07-28 18:58:16,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:16,348 INFO L280 TraceCheckUtils]: 0: Hoare triple {1109#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {1111#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:16,354 INFO L280 TraceCheckUtils]: 1: Hoare triple {1111#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {1111#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:16,355 INFO L280 TraceCheckUtils]: 2: Hoare triple {1111#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {1112#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-28 18:58:16,356 INFO L280 TraceCheckUtils]: 3: Hoare triple {1112#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} main_#t~ret72 := valid_product_#res;assume -2147483648 <= main_#t~ret72 && main_#t~ret72 <= 2147483647;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; {1113#(= ULTIMATE.start_main_~tmp~8 ~systemActive~0)} is VALID [2020-07-28 18:58:16,356 INFO L280 TraceCheckUtils]: 4: Hoare triple {1113#(= ULTIMATE.start_main_~tmp~8 ~systemActive~0)} assume 0 != main_~tmp~8; {1114#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:16,357 INFO L280 TraceCheckUtils]: 5: Hoare triple {1114#(not (= 0 ~systemActive~0))} havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1114#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:16,358 INFO L280 TraceCheckUtils]: 6: Hoare triple {1114#(not (= 0 ~systemActive~0))} assume !false; {1114#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:16,359 INFO L280 TraceCheckUtils]: 7: Hoare triple {1114#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {1114#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:16,359 INFO L280 TraceCheckUtils]: 8: Hoare triple {1114#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet47 && test_#t~nondet47 <= 2147483647;test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; {1114#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:16,360 INFO L280 TraceCheckUtils]: 9: Hoare triple {1114#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~4); {1114#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:16,361 INFO L280 TraceCheckUtils]: 10: Hoare triple {1114#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet48 && test_#t~nondet48 <= 2147483647;test_~tmp___0~1 := test_#t~nondet48;havoc test_#t~nondet48; {1114#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:16,361 INFO L280 TraceCheckUtils]: 11: Hoare triple {1114#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~1); {1114#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:16,362 INFO L280 TraceCheckUtils]: 12: Hoare triple {1114#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet49 && test_#t~nondet49 <= 2147483647;test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; {1114#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:16,363 INFO L280 TraceCheckUtils]: 13: Hoare triple {1114#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {1114#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:16,364 INFO L280 TraceCheckUtils]: 14: Hoare triple {1114#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1114#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:16,364 INFO L280 TraceCheckUtils]: 15: Hoare triple {1114#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1110#false} is VALID [2020-07-28 18:58:16,365 INFO L280 TraceCheckUtils]: 16: Hoare triple {1110#false} havoc __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {1110#false} is VALID [2020-07-28 18:58:16,365 INFO L280 TraceCheckUtils]: 17: Hoare triple {1110#false} __utac_acc__Specification1_spec__1_#t~ret35 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret35 && __utac_acc__Specification1_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; {1110#false} is VALID [2020-07-28 18:58:16,365 INFO L280 TraceCheckUtils]: 18: Hoare triple {1110#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {1110#false} is VALID [2020-07-28 18:58:16,366 INFO L280 TraceCheckUtils]: 19: Hoare triple {1110#false} __utac_acc__Specification1_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret36 && __utac_acc__Specification1_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret36;havoc __utac_acc__Specification1_spec__1_#t~ret36; {1110#false} is VALID [2020-07-28 18:58:16,366 INFO L280 TraceCheckUtils]: 20: Hoare triple {1110#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {1110#false} is VALID [2020-07-28 18:58:16,366 INFO L280 TraceCheckUtils]: 21: Hoare triple {1110#false} assume !false; {1110#false} is VALID [2020-07-28 18:58:16,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:16,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895152237] [2020-07-28 18:58:16,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:16,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:16,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485654640] [2020-07-28 18:58:16,370 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 18:58:16,370 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:16,370 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:58:16,402 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:16,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:58:16,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:16,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:58:16,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 18:58:16,404 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 6 states. [2020-07-28 18:58:17,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:17,206 INFO L93 Difference]: Finished difference Result 152 states and 226 transitions. [2020-07-28 18:58:17,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:17,206 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 18:58:17,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:17,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:17,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 226 transitions. [2020-07-28 18:58:17,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:17,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 226 transitions. [2020-07-28 18:58:17,215 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 226 transitions. [2020-07-28 18:58:17,502 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 226 edges. 226 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:17,509 INFO L225 Difference]: With dead ends: 152 [2020-07-28 18:58:17,509 INFO L226 Difference]: Without dead ends: 111 [2020-07-28 18:58:17,512 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 18:58:17,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-07-28 18:58:17,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 66. [2020-07-28 18:58:17,590 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:17,590 INFO L82 GeneralOperation]: Start isEquivalent. First operand 111 states. Second operand 66 states. [2020-07-28 18:58:17,591 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand 66 states. [2020-07-28 18:58:17,591 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 66 states. [2020-07-28 18:58:17,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:17,595 INFO L93 Difference]: Finished difference Result 111 states and 162 transitions. [2020-07-28 18:58:17,596 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2020-07-28 18:58:17,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:17,597 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:17,597 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 111 states. [2020-07-28 18:58:17,597 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 111 states. [2020-07-28 18:58:17,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:17,602 INFO L93 Difference]: Finished difference Result 111 states and 162 transitions. [2020-07-28 18:58:17,602 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2020-07-28 18:58:17,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:17,603 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:17,603 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:17,604 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:17,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-28 18:58:17,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 97 transitions. [2020-07-28 18:58:17,607 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 97 transitions. Word has length 22 [2020-07-28 18:58:17,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:17,607 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 97 transitions. [2020-07-28 18:58:17,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:58:17,607 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 97 transitions. [2020-07-28 18:58:17,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:58:17,608 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:17,608 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:17,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:58:17,608 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:17,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:17,609 INFO L82 PathProgramCache]: Analyzing trace with hash -595366227, now seen corresponding path program 1 times [2020-07-28 18:58:17,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:17,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680216419] [2020-07-28 18:58:17,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:17,718 INFO L280 TraceCheckUtils]: 0: Hoare triple {1644#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,720 INFO L280 TraceCheckUtils]: 1: Hoare triple {1646#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,721 INFO L280 TraceCheckUtils]: 2: Hoare triple {1646#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,721 INFO L280 TraceCheckUtils]: 3: Hoare triple {1646#(= 0 ~pumpRunning~0)} main_#t~ret72 := valid_product_#res;assume -2147483648 <= main_#t~ret72 && main_#t~ret72 <= 2147483647;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,726 INFO L280 TraceCheckUtils]: 4: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~8; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,728 INFO L280 TraceCheckUtils]: 5: Hoare triple {1646#(= 0 ~pumpRunning~0)} havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,730 INFO L280 TraceCheckUtils]: 6: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume !false; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,732 INFO L280 TraceCheckUtils]: 7: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,734 INFO L280 TraceCheckUtils]: 8: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet47 && test_#t~nondet47 <= 2147483647;test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,736 INFO L280 TraceCheckUtils]: 9: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~4); {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,736 INFO L280 TraceCheckUtils]: 10: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet48 && test_#t~nondet48 <= 2147483647;test_~tmp___0~1 := test_#t~nondet48;havoc test_#t~nondet48; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,737 INFO L280 TraceCheckUtils]: 11: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,738 INFO L280 TraceCheckUtils]: 12: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet49 && test_#t~nondet49 <= 2147483647;test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,738 INFO L280 TraceCheckUtils]: 13: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,739 INFO L280 TraceCheckUtils]: 14: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,740 INFO L280 TraceCheckUtils]: 15: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret52, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,740 INFO L280 TraceCheckUtils]: 16: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret51, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {1646#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:17,741 INFO L280 TraceCheckUtils]: 17: Hoare triple {1646#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1645#false} is VALID [2020-07-28 18:58:17,741 INFO L280 TraceCheckUtils]: 18: Hoare triple {1645#false} havoc __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {1645#false} is VALID [2020-07-28 18:58:17,742 INFO L280 TraceCheckUtils]: 19: Hoare triple {1645#false} __utac_acc__Specification1_spec__1_#t~ret35 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret35 && __utac_acc__Specification1_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; {1645#false} is VALID [2020-07-28 18:58:17,742 INFO L280 TraceCheckUtils]: 20: Hoare triple {1645#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {1645#false} is VALID [2020-07-28 18:58:17,742 INFO L280 TraceCheckUtils]: 21: Hoare triple {1645#false} __utac_acc__Specification1_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret36 && __utac_acc__Specification1_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret36;havoc __utac_acc__Specification1_spec__1_#t~ret36; {1645#false} is VALID [2020-07-28 18:58:17,743 INFO L280 TraceCheckUtils]: 22: Hoare triple {1645#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {1645#false} is VALID [2020-07-28 18:58:17,743 INFO L280 TraceCheckUtils]: 23: Hoare triple {1645#false} assume !false; {1645#false} is VALID [2020-07-28 18:58:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:17,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680216419] [2020-07-28 18:58:17,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:17,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:17,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839903806] [2020-07-28 18:58:17,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:58:17,746 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:17,746 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:17,781 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:17,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:17,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:17,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:17,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:17,783 INFO L87 Difference]: Start difference. First operand 66 states and 97 transitions. Second operand 3 states. [2020-07-28 18:58:18,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:18,104 INFO L93 Difference]: Finished difference Result 147 states and 218 transitions. [2020-07-28 18:58:18,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:18,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:58:18,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:18,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:18,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2020-07-28 18:58:18,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:18,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2020-07-28 18:58:18,109 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 162 transitions. [2020-07-28 18:58:18,303 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 162 edges. 162 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:18,306 INFO L225 Difference]: With dead ends: 147 [2020-07-28 18:58:18,307 INFO L226 Difference]: Without dead ends: 87 [2020-07-28 18:58:18,308 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:18,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-07-28 18:58:18,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2020-07-28 18:58:18,429 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:18,429 INFO L82 GeneralOperation]: Start isEquivalent. First operand 87 states. Second operand 85 states. [2020-07-28 18:58:18,430 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 85 states. [2020-07-28 18:58:18,430 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 85 states. [2020-07-28 18:58:18,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:18,434 INFO L93 Difference]: Finished difference Result 87 states and 122 transitions. [2020-07-28 18:58:18,434 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2020-07-28 18:58:18,434 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:18,435 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:18,435 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand 87 states. [2020-07-28 18:58:18,435 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 87 states. [2020-07-28 18:58:18,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:18,439 INFO L93 Difference]: Finished difference Result 87 states and 122 transitions. [2020-07-28 18:58:18,439 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2020-07-28 18:58:18,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:18,439 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:18,440 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:18,440 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:18,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-07-28 18:58:18,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 121 transitions. [2020-07-28 18:58:18,443 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 121 transitions. Word has length 24 [2020-07-28 18:58:18,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:18,443 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 121 transitions. [2020-07-28 18:58:18,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:18,444 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 121 transitions. [2020-07-28 18:58:18,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:58:18,445 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:18,445 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:18,445 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:58:18,445 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:18,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:18,446 INFO L82 PathProgramCache]: Analyzing trace with hash 566175321, now seen corresponding path program 1 times [2020-07-28 18:58:18,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:18,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066504784] [2020-07-28 18:58:18,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:18,591 INFO L280 TraceCheckUtils]: 0: Hoare triple {2146#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,592 INFO L280 TraceCheckUtils]: 1: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,592 INFO L280 TraceCheckUtils]: 2: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,593 INFO L280 TraceCheckUtils]: 3: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} main_#t~ret72 := valid_product_#res;assume -2147483648 <= main_#t~ret72 && main_#t~ret72 <= 2147483647;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,594 INFO L280 TraceCheckUtils]: 4: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~8; {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,595 INFO L280 TraceCheckUtils]: 5: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,596 INFO L280 TraceCheckUtils]: 6: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} assume !false; {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,597 INFO L280 TraceCheckUtils]: 7: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,599 INFO L280 TraceCheckUtils]: 8: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet47 && test_#t~nondet47 <= 2147483647;test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,600 INFO L280 TraceCheckUtils]: 9: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~4); {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,600 INFO L280 TraceCheckUtils]: 10: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet48 && test_#t~nondet48 <= 2147483647;test_~tmp___0~1 := test_#t~nondet48;havoc test_#t~nondet48; {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,602 INFO L280 TraceCheckUtils]: 11: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~1); {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,603 INFO L280 TraceCheckUtils]: 12: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet49 && test_#t~nondet49 <= 2147483647;test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,604 INFO L280 TraceCheckUtils]: 13: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet50 && test_#t~nondet50 <= 2147483647;test_~tmp___1~0 := test_#t~nondet50;havoc test_#t~nondet50; {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,605 INFO L280 TraceCheckUtils]: 14: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___1~0; {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,606 INFO L280 TraceCheckUtils]: 15: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,607 INFO L280 TraceCheckUtils]: 16: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} ~systemActive~0 := 0; {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,608 INFO L280 TraceCheckUtils]: 17: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,609 INFO L280 TraceCheckUtils]: 18: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~systemActive~0); {2148#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:18,610 INFO L280 TraceCheckUtils]: 19: Hoare triple {2148#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {2149#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:58:18,611 INFO L280 TraceCheckUtils]: 20: Hoare triple {2149#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret35 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret35 && __utac_acc__Specification1_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; {2150#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~3 0)} is VALID [2020-07-28 18:58:18,613 INFO L280 TraceCheckUtils]: 21: Hoare triple {2150#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~3 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {2147#false} is VALID [2020-07-28 18:58:18,614 INFO L280 TraceCheckUtils]: 22: Hoare triple {2147#false} __utac_acc__Specification1_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret36 && __utac_acc__Specification1_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret36;havoc __utac_acc__Specification1_spec__1_#t~ret36; {2147#false} is VALID [2020-07-28 18:58:18,614 INFO L280 TraceCheckUtils]: 23: Hoare triple {2147#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {2147#false} is VALID [2020-07-28 18:58:18,614 INFO L280 TraceCheckUtils]: 24: Hoare triple {2147#false} assume !false; {2147#false} is VALID [2020-07-28 18:58:18,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:18,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066504784] [2020-07-28 18:58:18,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:18,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:18,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888389393] [2020-07-28 18:58:18,618 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:58:18,619 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:18,619 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:18,658 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:18,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:18,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:18,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:18,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:18,660 INFO L87 Difference]: Start difference. First operand 85 states and 121 transitions. Second operand 5 states. [2020-07-28 18:58:19,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:19,717 INFO L93 Difference]: Finished difference Result 413 states and 601 transitions. [2020-07-28 18:58:19,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:58:19,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:58:19,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:19,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:19,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 348 transitions. [2020-07-28 18:58:19,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:19,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 348 transitions. [2020-07-28 18:58:19,726 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 348 transitions. [2020-07-28 18:58:20,133 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 348 edges. 348 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:20,143 INFO L225 Difference]: With dead ends: 413 [2020-07-28 18:58:20,143 INFO L226 Difference]: Without dead ends: 334 [2020-07-28 18:58:20,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:20,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-07-28 18:58:20,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 156. [2020-07-28 18:58:20,365 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:20,365 INFO L82 GeneralOperation]: Start isEquivalent. First operand 334 states. Second operand 156 states. [2020-07-28 18:58:20,365 INFO L74 IsIncluded]: Start isIncluded. First operand 334 states. Second operand 156 states. [2020-07-28 18:58:20,366 INFO L87 Difference]: Start difference. First operand 334 states. Second operand 156 states. [2020-07-28 18:58:20,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:20,379 INFO L93 Difference]: Finished difference Result 334 states and 479 transitions. [2020-07-28 18:58:20,379 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 479 transitions. [2020-07-28 18:58:20,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:20,380 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:20,381 INFO L74 IsIncluded]: Start isIncluded. First operand 156 states. Second operand 334 states. [2020-07-28 18:58:20,381 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 334 states. [2020-07-28 18:58:20,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:20,395 INFO L93 Difference]: Finished difference Result 334 states and 479 transitions. [2020-07-28 18:58:20,395 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 479 transitions. [2020-07-28 18:58:20,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:20,396 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:20,396 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:20,396 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-28 18:58:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 220 transitions. [2020-07-28 18:58:20,402 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 220 transitions. Word has length 25 [2020-07-28 18:58:20,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:20,404 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 220 transitions. [2020-07-28 18:58:20,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:20,404 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 220 transitions. [2020-07-28 18:58:20,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 18:58:20,405 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:20,405 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:20,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:58:20,406 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:20,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:20,406 INFO L82 PathProgramCache]: Analyzing trace with hash 362368227, now seen corresponding path program 1 times [2020-07-28 18:58:20,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:20,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195140764] [2020-07-28 18:58:20,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:20,556 INFO L280 TraceCheckUtils]: 0: Hoare triple {3631#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,557 INFO L280 TraceCheckUtils]: 1: Hoare triple {3633#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,558 INFO L280 TraceCheckUtils]: 2: Hoare triple {3633#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,560 INFO L280 TraceCheckUtils]: 3: Hoare triple {3633#(= 0 ~pumpRunning~0)} main_#t~ret72 := valid_product_#res;assume -2147483648 <= main_#t~ret72 && main_#t~ret72 <= 2147483647;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,561 INFO L280 TraceCheckUtils]: 4: Hoare triple {3633#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~8; {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,562 INFO L280 TraceCheckUtils]: 5: Hoare triple {3633#(= 0 ~pumpRunning~0)} havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,563 INFO L280 TraceCheckUtils]: 6: Hoare triple {3633#(= 0 ~pumpRunning~0)} assume !false; {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,563 INFO L280 TraceCheckUtils]: 7: Hoare triple {3633#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,564 INFO L280 TraceCheckUtils]: 8: Hoare triple {3633#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet47 && test_#t~nondet47 <= 2147483647;test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,564 INFO L280 TraceCheckUtils]: 9: Hoare triple {3633#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~4); {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,565 INFO L280 TraceCheckUtils]: 10: Hoare triple {3633#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet48 && test_#t~nondet48 <= 2147483647;test_~tmp___0~1 := test_#t~nondet48;havoc test_#t~nondet48; {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,565 INFO L280 TraceCheckUtils]: 11: Hoare triple {3633#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~1; {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,566 INFO L280 TraceCheckUtils]: 12: Hoare triple {3633#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,566 INFO L280 TraceCheckUtils]: 13: Hoare triple {3633#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet49 && test_#t~nondet49 <= 2147483647;test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,566 INFO L280 TraceCheckUtils]: 14: Hoare triple {3633#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet50 && test_#t~nondet50 <= 2147483647;test_~tmp___1~0 := test_#t~nondet50;havoc test_#t~nondet50; {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,567 INFO L280 TraceCheckUtils]: 15: Hoare triple {3633#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___1~0; {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,570 INFO L280 TraceCheckUtils]: 16: Hoare triple {3633#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,571 INFO L280 TraceCheckUtils]: 17: Hoare triple {3633#(= 0 ~pumpRunning~0)} ~systemActive~0 := 0; {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,572 INFO L280 TraceCheckUtils]: 18: Hoare triple {3633#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,573 INFO L280 TraceCheckUtils]: 19: Hoare triple {3633#(= 0 ~pumpRunning~0)} assume !(0 != ~systemActive~0); {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,573 INFO L280 TraceCheckUtils]: 20: Hoare triple {3633#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,574 INFO L280 TraceCheckUtils]: 21: Hoare triple {3633#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret35 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret35 && __utac_acc__Specification1_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; {3633#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:20,575 INFO L280 TraceCheckUtils]: 22: Hoare triple {3633#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {3634#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:58:20,576 INFO L280 TraceCheckUtils]: 23: Hoare triple {3634#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret36 && __utac_acc__Specification1_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret36;havoc __utac_acc__Specification1_spec__1_#t~ret36; {3635#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} is VALID [2020-07-28 18:58:20,576 INFO L280 TraceCheckUtils]: 24: Hoare triple {3635#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {3632#false} is VALID [2020-07-28 18:58:20,577 INFO L280 TraceCheckUtils]: 25: Hoare triple {3632#false} assume !false; {3632#false} is VALID [2020-07-28 18:58:20,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:20,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195140764] [2020-07-28 18:58:20,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:20,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:20,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119948228] [2020-07-28 18:58:20,580 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:58:20,580 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:20,580 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:20,617 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:20,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:20,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:20,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:20,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:20,619 INFO L87 Difference]: Start difference. First operand 156 states and 220 transitions. Second operand 5 states. [2020-07-28 18:58:22,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:22,062 INFO L93 Difference]: Finished difference Result 436 states and 619 transitions. [2020-07-28 18:58:22,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:58:22,062 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:58:22,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:22,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:22,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 271 transitions. [2020-07-28 18:58:22,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:22,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 271 transitions. [2020-07-28 18:58:22,070 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 271 transitions. [2020-07-28 18:58:22,372 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 271 edges. 271 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:22,386 INFO L225 Difference]: With dead ends: 436 [2020-07-28 18:58:22,386 INFO L226 Difference]: Without dead ends: 434 [2020-07-28 18:58:22,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:22,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-07-28 18:58:22,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 156. [2020-07-28 18:58:22,639 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:22,639 INFO L82 GeneralOperation]: Start isEquivalent. First operand 434 states. Second operand 156 states. [2020-07-28 18:58:22,639 INFO L74 IsIncluded]: Start isIncluded. First operand 434 states. Second operand 156 states. [2020-07-28 18:58:22,639 INFO L87 Difference]: Start difference. First operand 434 states. Second operand 156 states. [2020-07-28 18:58:22,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:22,652 INFO L93 Difference]: Finished difference Result 434 states and 616 transitions. [2020-07-28 18:58:22,652 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 616 transitions. [2020-07-28 18:58:22,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:22,653 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:22,653 INFO L74 IsIncluded]: Start isIncluded. First operand 156 states. Second operand 434 states. [2020-07-28 18:58:22,653 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 434 states. [2020-07-28 18:58:22,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:22,667 INFO L93 Difference]: Finished difference Result 434 states and 616 transitions. [2020-07-28 18:58:22,667 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 616 transitions. [2020-07-28 18:58:22,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:22,668 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:22,668 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:22,668 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:22,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-28 18:58:22,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 218 transitions. [2020-07-28 18:58:22,672 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 218 transitions. Word has length 26 [2020-07-28 18:58:22,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:22,672 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 218 transitions. [2020-07-28 18:58:22,672 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:22,672 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 218 transitions. [2020-07-28 18:58:22,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:22,673 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:22,673 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:22,674 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 18:58:22,674 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:22,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:22,674 INFO L82 PathProgramCache]: Analyzing trace with hash 922855028, now seen corresponding path program 1 times [2020-07-28 18:58:22,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:22,675 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749177272] [2020-07-28 18:58:22,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:22,773 INFO L280 TraceCheckUtils]: 0: Hoare triple {5348#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {5348#true} is VALID [2020-07-28 18:58:22,773 INFO L280 TraceCheckUtils]: 1: Hoare triple {5348#true} havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {5348#true} is VALID [2020-07-28 18:58:22,774 INFO L280 TraceCheckUtils]: 2: Hoare triple {5348#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {5348#true} is VALID [2020-07-28 18:58:22,774 INFO L280 TraceCheckUtils]: 3: Hoare triple {5348#true} main_#t~ret72 := valid_product_#res;assume -2147483648 <= main_#t~ret72 && main_#t~ret72 <= 2147483647;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; {5348#true} is VALID [2020-07-28 18:58:22,774 INFO L280 TraceCheckUtils]: 4: Hoare triple {5348#true} assume 0 != main_~tmp~8; {5348#true} is VALID [2020-07-28 18:58:22,775 INFO L280 TraceCheckUtils]: 5: Hoare triple {5348#true} havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5348#true} is VALID [2020-07-28 18:58:22,775 INFO L280 TraceCheckUtils]: 6: Hoare triple {5348#true} assume !false; {5348#true} is VALID [2020-07-28 18:58:22,775 INFO L280 TraceCheckUtils]: 7: Hoare triple {5348#true} assume test_~splverifierCounter~0 < 4; {5348#true} is VALID [2020-07-28 18:58:22,775 INFO L280 TraceCheckUtils]: 8: Hoare triple {5348#true} assume -2147483648 <= test_#t~nondet47 && test_#t~nondet47 <= 2147483647;test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; {5348#true} is VALID [2020-07-28 18:58:22,776 INFO L280 TraceCheckUtils]: 9: Hoare triple {5348#true} assume !(0 != test_~tmp~4); {5348#true} is VALID [2020-07-28 18:58:22,776 INFO L280 TraceCheckUtils]: 10: Hoare triple {5348#true} assume -2147483648 <= test_#t~nondet48 && test_#t~nondet48 <= 2147483647;test_~tmp___0~1 := test_#t~nondet48;havoc test_#t~nondet48; {5348#true} is VALID [2020-07-28 18:58:22,776 INFO L280 TraceCheckUtils]: 11: Hoare triple {5348#true} assume 0 != test_~tmp___0~1; {5348#true} is VALID [2020-07-28 18:58:22,777 INFO L280 TraceCheckUtils]: 12: Hoare triple {5348#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {5348#true} is VALID [2020-07-28 18:58:22,777 INFO L280 TraceCheckUtils]: 13: Hoare triple {5348#true} assume -2147483648 <= test_#t~nondet49 && test_#t~nondet49 <= 2147483647;test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; {5348#true} is VALID [2020-07-28 18:58:22,777 INFO L280 TraceCheckUtils]: 14: Hoare triple {5348#true} assume 0 != test_~tmp___2~0; {5348#true} is VALID [2020-07-28 18:58:22,777 INFO L280 TraceCheckUtils]: 15: Hoare triple {5348#true} assume !(0 != ~pumpRunning~0); {5348#true} is VALID [2020-07-28 18:58:22,778 INFO L280 TraceCheckUtils]: 16: Hoare triple {5348#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret52, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {5348#true} is VALID [2020-07-28 18:58:22,778 INFO L280 TraceCheckUtils]: 17: Hoare triple {5348#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret51, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {5348#true} is VALID [2020-07-28 18:58:22,779 INFO L280 TraceCheckUtils]: 18: Hoare triple {5348#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret70, isHighWaterLevel_~retValue_acc~8, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~8;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {5348#true} is VALID [2020-07-28 18:58:22,779 INFO L280 TraceCheckUtils]: 19: Hoare triple {5348#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {5348#true} is VALID [2020-07-28 18:58:22,780 INFO L280 TraceCheckUtils]: 20: Hoare triple {5348#true} isHighWaterLevel_#t~ret70 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret70 && isHighWaterLevel_#t~ret70 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret70;havoc isHighWaterLevel_#t~ret70; {5348#true} is VALID [2020-07-28 18:58:22,785 INFO L280 TraceCheckUtils]: 21: Hoare triple {5348#true} assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~2 := 0; {5350#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)} is VALID [2020-07-28 18:58:22,786 INFO L280 TraceCheckUtils]: 22: Hoare triple {5350#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)} isHighWaterLevel_~retValue_acc~8 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~8; {5351#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 18:58:22,787 INFO L280 TraceCheckUtils]: 23: Hoare triple {5351#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret51 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret51 && processEnvironment__wrappee__highWaterSensor_#t~ret51 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret51;havoc processEnvironment__wrappee__highWaterSensor_#t~ret51; {5352#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5)} is VALID [2020-07-28 18:58:22,787 INFO L280 TraceCheckUtils]: 24: Hoare triple {5352#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;~pumpRunning~0 := 1; {5349#false} is VALID [2020-07-28 18:58:22,788 INFO L280 TraceCheckUtils]: 25: Hoare triple {5349#false} havoc __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {5349#false} is VALID [2020-07-28 18:58:22,788 INFO L280 TraceCheckUtils]: 26: Hoare triple {5349#false} __utac_acc__Specification1_spec__1_#t~ret35 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret35 && __utac_acc__Specification1_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; {5349#false} is VALID [2020-07-28 18:58:22,788 INFO L280 TraceCheckUtils]: 27: Hoare triple {5349#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {5349#false} is VALID [2020-07-28 18:58:22,788 INFO L280 TraceCheckUtils]: 28: Hoare triple {5349#false} __utac_acc__Specification1_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret36 && __utac_acc__Specification1_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret36;havoc __utac_acc__Specification1_spec__1_#t~ret36; {5349#false} is VALID [2020-07-28 18:58:22,789 INFO L280 TraceCheckUtils]: 29: Hoare triple {5349#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {5349#false} is VALID [2020-07-28 18:58:22,789 INFO L280 TraceCheckUtils]: 30: Hoare triple {5349#false} assume !false; {5349#false} is VALID [2020-07-28 18:58:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:22,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749177272] [2020-07-28 18:58:22,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:22,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:22,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118304590] [2020-07-28 18:58:22,792 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:22,793 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:22,793 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:22,842 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:22,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:22,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:22,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:22,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:22,844 INFO L87 Difference]: Start difference. First operand 156 states and 218 transitions. Second operand 5 states. [2020-07-28 18:58:23,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:23,985 INFO L93 Difference]: Finished difference Result 468 states and 648 transitions. [2020-07-28 18:58:23,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:23,985 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-07-28 18:58:23,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:23,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:23,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 195 transitions. [2020-07-28 18:58:23,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:23,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 195 transitions. [2020-07-28 18:58:23,989 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 195 transitions. [2020-07-28 18:58:24,188 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 195 edges. 195 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:24,197 INFO L225 Difference]: With dead ends: 468 [2020-07-28 18:58:24,197 INFO L226 Difference]: Without dead ends: 318 [2020-07-28 18:58:24,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:58:24,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-07-28 18:58:24,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 168. [2020-07-28 18:58:24,587 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:24,587 INFO L82 GeneralOperation]: Start isEquivalent. First operand 318 states. Second operand 168 states. [2020-07-28 18:58:24,587 INFO L74 IsIncluded]: Start isIncluded. First operand 318 states. Second operand 168 states. [2020-07-28 18:58:24,587 INFO L87 Difference]: Start difference. First operand 318 states. Second operand 168 states. [2020-07-28 18:58:24,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:24,594 INFO L93 Difference]: Finished difference Result 318 states and 432 transitions. [2020-07-28 18:58:24,594 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 432 transitions. [2020-07-28 18:58:24,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:24,596 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:24,596 INFO L74 IsIncluded]: Start isIncluded. First operand 168 states. Second operand 318 states. [2020-07-28 18:58:24,596 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 318 states. [2020-07-28 18:58:24,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:24,604 INFO L93 Difference]: Finished difference Result 318 states and 432 transitions. [2020-07-28 18:58:24,605 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 432 transitions. [2020-07-28 18:58:24,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:24,606 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:24,606 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:24,606 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:24,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-07-28 18:58:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 230 transitions. [2020-07-28 18:58:24,610 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 230 transitions. Word has length 31 [2020-07-28 18:58:24,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:24,611 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 230 transitions. [2020-07-28 18:58:24,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:24,611 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 230 transitions. [2020-07-28 18:58:24,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:24,612 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:24,613 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:24,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 18:58:24,613 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:24,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:24,614 INFO L82 PathProgramCache]: Analyzing trace with hash 529828018, now seen corresponding path program 1 times [2020-07-28 18:58:24,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:24,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310213495] [2020-07-28 18:58:24,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:24,730 INFO L280 TraceCheckUtils]: 0: Hoare triple {6888#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {6888#true} is VALID [2020-07-28 18:58:24,731 INFO L280 TraceCheckUtils]: 1: Hoare triple {6888#true} havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {6888#true} is VALID [2020-07-28 18:58:24,731 INFO L280 TraceCheckUtils]: 2: Hoare triple {6888#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {6888#true} is VALID [2020-07-28 18:58:24,732 INFO L280 TraceCheckUtils]: 3: Hoare triple {6888#true} main_#t~ret72 := valid_product_#res;assume -2147483648 <= main_#t~ret72 && main_#t~ret72 <= 2147483647;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; {6888#true} is VALID [2020-07-28 18:58:24,732 INFO L280 TraceCheckUtils]: 4: Hoare triple {6888#true} assume 0 != main_~tmp~8; {6888#true} is VALID [2020-07-28 18:58:24,732 INFO L280 TraceCheckUtils]: 5: Hoare triple {6888#true} havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6888#true} is VALID [2020-07-28 18:58:24,732 INFO L280 TraceCheckUtils]: 6: Hoare triple {6888#true} assume !false; {6888#true} is VALID [2020-07-28 18:58:24,733 INFO L280 TraceCheckUtils]: 7: Hoare triple {6888#true} assume test_~splverifierCounter~0 < 4; {6888#true} is VALID [2020-07-28 18:58:24,733 INFO L280 TraceCheckUtils]: 8: Hoare triple {6888#true} assume -2147483648 <= test_#t~nondet47 && test_#t~nondet47 <= 2147483647;test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; {6888#true} is VALID [2020-07-28 18:58:24,733 INFO L280 TraceCheckUtils]: 9: Hoare triple {6888#true} assume !(0 != test_~tmp~4); {6888#true} is VALID [2020-07-28 18:58:24,734 INFO L280 TraceCheckUtils]: 10: Hoare triple {6888#true} assume -2147483648 <= test_#t~nondet48 && test_#t~nondet48 <= 2147483647;test_~tmp___0~1 := test_#t~nondet48;havoc test_#t~nondet48; {6888#true} is VALID [2020-07-28 18:58:24,734 INFO L280 TraceCheckUtils]: 11: Hoare triple {6888#true} assume 0 != test_~tmp___0~1; {6888#true} is VALID [2020-07-28 18:58:24,734 INFO L280 TraceCheckUtils]: 12: Hoare triple {6888#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {6888#true} is VALID [2020-07-28 18:58:24,734 INFO L280 TraceCheckUtils]: 13: Hoare triple {6888#true} assume -2147483648 <= test_#t~nondet49 && test_#t~nondet49 <= 2147483647;test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; {6888#true} is VALID [2020-07-28 18:58:24,735 INFO L280 TraceCheckUtils]: 14: Hoare triple {6888#true} assume 0 != test_~tmp___2~0; {6888#true} is VALID [2020-07-28 18:58:24,735 INFO L280 TraceCheckUtils]: 15: Hoare triple {6888#true} assume !(0 != ~pumpRunning~0); {6888#true} is VALID [2020-07-28 18:58:24,735 INFO L280 TraceCheckUtils]: 16: Hoare triple {6888#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret52, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {6888#true} is VALID [2020-07-28 18:58:24,736 INFO L280 TraceCheckUtils]: 17: Hoare triple {6888#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret51, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {6888#true} is VALID [2020-07-28 18:58:24,736 INFO L280 TraceCheckUtils]: 18: Hoare triple {6888#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret70, isHighWaterLevel_~retValue_acc~8, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~8;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {6888#true} is VALID [2020-07-28 18:58:24,738 INFO L280 TraceCheckUtils]: 19: Hoare triple {6888#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {6890#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} is VALID [2020-07-28 18:58:24,739 INFO L280 TraceCheckUtils]: 20: Hoare triple {6890#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} isHighWaterLevel_#t~ret70 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret70 && isHighWaterLevel_#t~ret70 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret70;havoc isHighWaterLevel_#t~ret70; {6891#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~7)} is VALID [2020-07-28 18:58:24,740 INFO L280 TraceCheckUtils]: 21: Hoare triple {6891#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~7)} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~2 := 1; {6889#false} is VALID [2020-07-28 18:58:24,740 INFO L280 TraceCheckUtils]: 22: Hoare triple {6889#false} isHighWaterLevel_~retValue_acc~8 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~8; {6889#false} is VALID [2020-07-28 18:58:24,741 INFO L280 TraceCheckUtils]: 23: Hoare triple {6889#false} processEnvironment__wrappee__highWaterSensor_#t~ret51 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret51 && processEnvironment__wrappee__highWaterSensor_#t~ret51 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret51;havoc processEnvironment__wrappee__highWaterSensor_#t~ret51; {6889#false} is VALID [2020-07-28 18:58:24,741 INFO L280 TraceCheckUtils]: 24: Hoare triple {6889#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;~pumpRunning~0 := 1; {6889#false} is VALID [2020-07-28 18:58:24,741 INFO L280 TraceCheckUtils]: 25: Hoare triple {6889#false} havoc __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {6889#false} is VALID [2020-07-28 18:58:24,742 INFO L280 TraceCheckUtils]: 26: Hoare triple {6889#false} __utac_acc__Specification1_spec__1_#t~ret35 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret35 && __utac_acc__Specification1_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; {6889#false} is VALID [2020-07-28 18:58:24,742 INFO L280 TraceCheckUtils]: 27: Hoare triple {6889#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {6889#false} is VALID [2020-07-28 18:58:24,743 INFO L280 TraceCheckUtils]: 28: Hoare triple {6889#false} __utac_acc__Specification1_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret36 && __utac_acc__Specification1_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret36;havoc __utac_acc__Specification1_spec__1_#t~ret36; {6889#false} is VALID [2020-07-28 18:58:24,743 INFO L280 TraceCheckUtils]: 29: Hoare triple {6889#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {6889#false} is VALID [2020-07-28 18:58:24,743 INFO L280 TraceCheckUtils]: 30: Hoare triple {6889#false} assume !false; {6889#false} is VALID [2020-07-28 18:58:24,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:24,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310213495] [2020-07-28 18:58:24,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:24,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:24,745 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101559597] [2020-07-28 18:58:24,746 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-07-28 18:58:24,746 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:24,746 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 18:58:24,789 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:24,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 18:58:24,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:24,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 18:58:24,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 18:58:24,791 INFO L87 Difference]: Start difference. First operand 168 states and 230 transitions. Second operand 4 states. [2020-07-28 18:58:25,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:25,748 INFO L93 Difference]: Finished difference Result 426 states and 580 transitions. [2020-07-28 18:58:25,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 18:58:25,748 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-07-28 18:58:25,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:25,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:58:25,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 170 transitions. [2020-07-28 18:58:25,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:58:25,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 170 transitions. [2020-07-28 18:58:25,752 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 170 transitions. [2020-07-28 18:58:25,915 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 18:58:25,921 INFO L225 Difference]: With dead ends: 426 [2020-07-28 18:58:25,922 INFO L226 Difference]: Without dead ends: 264 [2020-07-28 18:58:25,923 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 18:58:25,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-07-28 18:58:26,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 176. [2020-07-28 18:58:26,273 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:26,273 INFO L82 GeneralOperation]: Start isEquivalent. First operand 264 states. Second operand 176 states. [2020-07-28 18:58:26,273 INFO L74 IsIncluded]: Start isIncluded. First operand 264 states. Second operand 176 states. [2020-07-28 18:58:26,273 INFO L87 Difference]: Start difference. First operand 264 states. Second operand 176 states. [2020-07-28 18:58:26,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:26,280 INFO L93 Difference]: Finished difference Result 264 states and 352 transitions. [2020-07-28 18:58:26,280 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 352 transitions. [2020-07-28 18:58:26,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:26,281 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:26,281 INFO L74 IsIncluded]: Start isIncluded. First operand 176 states. Second operand 264 states. [2020-07-28 18:58:26,282 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 264 states. [2020-07-28 18:58:26,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:26,288 INFO L93 Difference]: Finished difference Result 264 states and 352 transitions. [2020-07-28 18:58:26,288 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 352 transitions. [2020-07-28 18:58:26,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:26,289 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:26,289 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:26,289 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:26,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-07-28 18:58:26,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 238 transitions. [2020-07-28 18:58:26,293 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 238 transitions. Word has length 31 [2020-07-28 18:58:26,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:26,294 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 238 transitions. [2020-07-28 18:58:26,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 18:58:26,294 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 238 transitions. [2020-07-28 18:58:26,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 18:58:26,295 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:26,295 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:26,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 18:58:26,296 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:26,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:26,296 INFO L82 PathProgramCache]: Analyzing trace with hash 787993456, now seen corresponding path program 1 times [2020-07-28 18:58:26,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:26,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705402792] [2020-07-28 18:58:26,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:26,382 INFO L280 TraceCheckUtils]: 0: Hoare triple {8266#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,383 INFO L280 TraceCheckUtils]: 1: Hoare triple {8268#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,383 INFO L280 TraceCheckUtils]: 2: Hoare triple {8268#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,384 INFO L280 TraceCheckUtils]: 3: Hoare triple {8268#(= 1 ~waterLevel~0)} main_#t~ret72 := valid_product_#res;assume -2147483648 <= main_#t~ret72 && main_#t~ret72 <= 2147483647;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,385 INFO L280 TraceCheckUtils]: 4: Hoare triple {8268#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~8; {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,385 INFO L280 TraceCheckUtils]: 5: Hoare triple {8268#(= 1 ~waterLevel~0)} havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,386 INFO L280 TraceCheckUtils]: 6: Hoare triple {8268#(= 1 ~waterLevel~0)} assume !false; {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,387 INFO L280 TraceCheckUtils]: 7: Hoare triple {8268#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,387 INFO L280 TraceCheckUtils]: 8: Hoare triple {8268#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet47 && test_#t~nondet47 <= 2147483647;test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,389 INFO L280 TraceCheckUtils]: 9: Hoare triple {8268#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~4); {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,390 INFO L280 TraceCheckUtils]: 10: Hoare triple {8268#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet48 && test_#t~nondet48 <= 2147483647;test_~tmp___0~1 := test_#t~nondet48;havoc test_#t~nondet48; {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,390 INFO L280 TraceCheckUtils]: 11: Hoare triple {8268#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___0~1; {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,391 INFO L280 TraceCheckUtils]: 12: Hoare triple {8268#(= 1 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,398 INFO L280 TraceCheckUtils]: 13: Hoare triple {8268#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet49 && test_#t~nondet49 <= 2147483647;test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,399 INFO L280 TraceCheckUtils]: 14: Hoare triple {8268#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,400 INFO L280 TraceCheckUtils]: 15: Hoare triple {8268#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,400 INFO L280 TraceCheckUtils]: 16: Hoare triple {8268#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret52, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,401 INFO L280 TraceCheckUtils]: 17: Hoare triple {8268#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret51, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,402 INFO L280 TraceCheckUtils]: 18: Hoare triple {8268#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret70, isHighWaterLevel_~retValue_acc~8, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~8;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {8268#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:26,403 INFO L280 TraceCheckUtils]: 19: Hoare triple {8268#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {8267#false} is VALID [2020-07-28 18:58:26,403 INFO L280 TraceCheckUtils]: 20: Hoare triple {8267#false} isHighWaterLevel_#t~ret70 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret70 && isHighWaterLevel_#t~ret70 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret70;havoc isHighWaterLevel_#t~ret70; {8267#false} is VALID [2020-07-28 18:58:26,403 INFO L280 TraceCheckUtils]: 21: Hoare triple {8267#false} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~2 := 1; {8267#false} is VALID [2020-07-28 18:58:26,403 INFO L280 TraceCheckUtils]: 22: Hoare triple {8267#false} isHighWaterLevel_~retValue_acc~8 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~8; {8267#false} is VALID [2020-07-28 18:58:26,404 INFO L280 TraceCheckUtils]: 23: Hoare triple {8267#false} processEnvironment__wrappee__highWaterSensor_#t~ret51 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret51 && processEnvironment__wrappee__highWaterSensor_#t~ret51 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret51;havoc processEnvironment__wrappee__highWaterSensor_#t~ret51; {8267#false} is VALID [2020-07-28 18:58:26,404 INFO L280 TraceCheckUtils]: 24: Hoare triple {8267#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;~pumpRunning~0 := 1; {8267#false} is VALID [2020-07-28 18:58:26,404 INFO L280 TraceCheckUtils]: 25: Hoare triple {8267#false} havoc __utac_acc__Specification1_spec__1_#t~ret35, __utac_acc__Specification1_spec__1_#t~ret36, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {8267#false} is VALID [2020-07-28 18:58:26,404 INFO L280 TraceCheckUtils]: 26: Hoare triple {8267#false} __utac_acc__Specification1_spec__1_#t~ret35 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret35 && __utac_acc__Specification1_spec__1_#t~ret35 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret35;havoc __utac_acc__Specification1_spec__1_#t~ret35; {8267#false} is VALID [2020-07-28 18:58:26,404 INFO L280 TraceCheckUtils]: 27: Hoare triple {8267#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; {8267#false} is VALID [2020-07-28 18:58:26,405 INFO L280 TraceCheckUtils]: 28: Hoare triple {8267#false} __utac_acc__Specification1_spec__1_#t~ret36 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret36 && __utac_acc__Specification1_spec__1_#t~ret36 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret36;havoc __utac_acc__Specification1_spec__1_#t~ret36; {8267#false} is VALID [2020-07-28 18:58:26,405 INFO L280 TraceCheckUtils]: 29: Hoare triple {8267#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {8267#false} is VALID [2020-07-28 18:58:26,405 INFO L280 TraceCheckUtils]: 30: Hoare triple {8267#false} assume !false; {8267#false} is VALID [2020-07-28 18:58:26,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:26,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705402792] [2020-07-28 18:58:26,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:26,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:26,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220488473] [2020-07-28 18:58:26,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-07-28 18:58:26,409 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:26,409 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:26,452 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:26,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:26,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:26,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:26,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:26,453 INFO L87 Difference]: Start difference. First operand 176 states and 238 transitions. Second operand 3 states. [2020-07-28 18:58:27,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:27,267 INFO L93 Difference]: Finished difference Result 434 states and 586 transitions. [2020-07-28 18:58:27,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:27,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-07-28 18:58:27,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:27,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:27,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2020-07-28 18:58:27,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:27,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2020-07-28 18:58:27,271 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 165 transitions. [2020-07-28 18:58:27,458 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 165 edges. 165 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:27,465 INFO L225 Difference]: With dead ends: 434 [2020-07-28 18:58:27,466 INFO L226 Difference]: Without dead ends: 264 [2020-07-28 18:58:27,467 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:27,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-07-28 18:58:28,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2020-07-28 18:58:28,113 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:28,113 INFO L82 GeneralOperation]: Start isEquivalent. First operand 264 states. Second operand 264 states. [2020-07-28 18:58:28,113 INFO L74 IsIncluded]: Start isIncluded. First operand 264 states. Second operand 264 states. [2020-07-28 18:58:28,113 INFO L87 Difference]: Start difference. First operand 264 states. Second operand 264 states. [2020-07-28 18:58:28,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:28,122 INFO L93 Difference]: Finished difference Result 264 states and 348 transitions. [2020-07-28 18:58:28,123 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 348 transitions. [2020-07-28 18:58:28,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:28,124 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:28,124 INFO L74 IsIncluded]: Start isIncluded. First operand 264 states. Second operand 264 states. [2020-07-28 18:58:28,124 INFO L87 Difference]: Start difference. First operand 264 states. Second operand 264 states. [2020-07-28 18:58:28,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:28,132 INFO L93 Difference]: Finished difference Result 264 states and 348 transitions. [2020-07-28 18:58:28,132 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 348 transitions. [2020-07-28 18:58:28,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:28,133 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:28,133 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:28,134 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:28,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-07-28 18:58:28,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 348 transitions. [2020-07-28 18:58:28,140 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 348 transitions. Word has length 31 [2020-07-28 18:58:28,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:28,141 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 348 transitions. [2020-07-28 18:58:28,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:28,141 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 348 transitions. [2020-07-28 18:58:28,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:58:28,144 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:28,145 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:28,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 18:58:28,146 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:28,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:28,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1324766414, now seen corresponding path program 1 times [2020-07-28 18:58:28,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:28,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830932212] [2020-07-28 18:58:28,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:28,225 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:28,270 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:28,316 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 18:58:28,317 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 18:58:28,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 18:58:28,456 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:58:28,456 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:58:28,456 WARN L170 areAnnotationChecker]: L835 has no Hoare annotation [2020-07-28 18:58:28,456 WARN L170 areAnnotationChecker]: L843 has no Hoare annotation [2020-07-28 18:58:28,457 WARN L170 areAnnotationChecker]: L930 has no Hoare annotation [2020-07-28 18:58:28,457 WARN L170 areAnnotationChecker]: L930 has no Hoare annotation [2020-07-28 18:58:28,457 WARN L170 areAnnotationChecker]: L907 has no Hoare annotation [2020-07-28 18:58:28,457 WARN L170 areAnnotationChecker]: L930-1 has no Hoare annotation [2020-07-28 18:58:28,457 WARN L170 areAnnotationChecker]: L417-1 has no Hoare annotation [2020-07-28 18:58:28,457 WARN L170 areAnnotationChecker]: L417-1 has no Hoare annotation [2020-07-28 18:58:28,457 WARN L170 areAnnotationChecker]: L417-1 has no Hoare annotation [2020-07-28 18:58:28,457 WARN L170 areAnnotationChecker]: L939 has no Hoare annotation [2020-07-28 18:58:28,457 WARN L170 areAnnotationChecker]: L605 has no Hoare annotation [2020-07-28 18:58:28,458 WARN L170 areAnnotationChecker]: L558 has no Hoare annotation [2020-07-28 18:58:28,458 WARN L170 areAnnotationChecker]: L558 has no Hoare annotation [2020-07-28 18:58:28,458 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:58:28,458 WARN L170 areAnnotationChecker]: L624-1 has no Hoare annotation [2020-07-28 18:58:28,458 WARN L170 areAnnotationChecker]: L624-1 has no Hoare annotation [2020-07-28 18:58:28,458 WARN L170 areAnnotationChecker]: L559 has no Hoare annotation [2020-07-28 18:58:28,458 WARN L170 areAnnotationChecker]: L456-3 has no Hoare annotation [2020-07-28 18:58:28,458 WARN L170 areAnnotationChecker]: L456-3 has no Hoare annotation [2020-07-28 18:58:28,458 WARN L170 areAnnotationChecker]: L624-2 has no Hoare annotation [2020-07-28 18:58:28,459 WARN L170 areAnnotationChecker]: L624-2 has no Hoare annotation [2020-07-28 18:58:28,459 WARN L170 areAnnotationChecker]: L567 has no Hoare annotation [2020-07-28 18:58:28,459 WARN L170 areAnnotationChecker]: L567 has no Hoare annotation [2020-07-28 18:58:28,459 WARN L170 areAnnotationChecker]: L682-1 has no Hoare annotation [2020-07-28 18:58:28,459 WARN L170 areAnnotationChecker]: L682-1 has no Hoare annotation [2020-07-28 18:58:28,459 WARN L170 areAnnotationChecker]: L631-1 has no Hoare annotation [2020-07-28 18:58:28,459 WARN L170 areAnnotationChecker]: L468 has no Hoare annotation [2020-07-28 18:58:28,459 WARN L170 areAnnotationChecker]: L468 has no Hoare annotation [2020-07-28 18:58:28,459 WARN L170 areAnnotationChecker]: L567-1 has no Hoare annotation [2020-07-28 18:58:28,460 WARN L170 areAnnotationChecker]: L493-2 has no Hoare annotation [2020-07-28 18:58:28,461 WARN L170 areAnnotationChecker]: L656-3 has no Hoare annotation [2020-07-28 18:58:28,461 WARN L170 areAnnotationChecker]: L656-3 has no Hoare annotation [2020-07-28 18:58:28,461 WARN L170 areAnnotationChecker]: L493-3 has no Hoare annotation [2020-07-28 18:58:28,461 WARN L170 areAnnotationChecker]: L577 has no Hoare annotation [2020-07-28 18:58:28,461 WARN L170 areAnnotationChecker]: L577 has no Hoare annotation [2020-07-28 18:58:28,462 WARN L170 areAnnotationChecker]: L726-1 has no Hoare annotation [2020-07-28 18:58:28,462 WARN L170 areAnnotationChecker]: L533-3 has no Hoare annotation [2020-07-28 18:58:28,462 WARN L170 areAnnotationChecker]: L533-3 has no Hoare annotation [2020-07-28 18:58:28,462 WARN L170 areAnnotationChecker]: L417-2 has no Hoare annotation [2020-07-28 18:58:28,462 WARN L170 areAnnotationChecker]: L417-2 has no Hoare annotation [2020-07-28 18:58:28,462 WARN L170 areAnnotationChecker]: L480 has no Hoare annotation [2020-07-28 18:58:28,462 WARN L170 areAnnotationChecker]: L480 has no Hoare annotation [2020-07-28 18:58:28,463 WARN L170 areAnnotationChecker]: L577-1 has no Hoare annotation [2020-07-28 18:58:28,463 WARN L170 areAnnotationChecker]: L686-1 has no Hoare annotation [2020-07-28 18:58:28,463 WARN L170 areAnnotationChecker]: L686-1 has no Hoare annotation [2020-07-28 18:58:28,463 WARN L170 areAnnotationChecker]: L538-3 has no Hoare annotation [2020-07-28 18:58:28,463 WARN L170 areAnnotationChecker]: L735-1 has no Hoare annotation [2020-07-28 18:58:28,463 WARN L170 areAnnotationChecker]: L417-3 has no Hoare annotation [2020-07-28 18:58:28,463 WARN L170 areAnnotationChecker]: L587 has no Hoare annotation [2020-07-28 18:58:28,463 WARN L170 areAnnotationChecker]: L587 has no Hoare annotation [2020-07-28 18:58:28,463 WARN L170 areAnnotationChecker]: L656-2 has no Hoare annotation [2020-07-28 18:58:28,464 WARN L170 areAnnotationChecker]: L656-2 has no Hoare annotation [2020-07-28 18:58:28,464 WARN L170 areAnnotationChecker]: L784-9 has no Hoare annotation [2020-07-28 18:58:28,464 WARN L170 areAnnotationChecker]: L784-9 has no Hoare annotation [2020-07-28 18:58:28,464 WARN L170 areAnnotationChecker]: L421-2 has no Hoare annotation [2020-07-28 18:58:28,464 WARN L170 areAnnotationChecker]: L421-2 has no Hoare annotation [2020-07-28 18:58:28,464 WARN L170 areAnnotationChecker]: L859-2 has no Hoare annotation [2020-07-28 18:58:28,464 WARN L170 areAnnotationChecker]: L859-2 has no Hoare annotation [2020-07-28 18:58:28,464 WARN L170 areAnnotationChecker]: L859-2 has no Hoare annotation [2020-07-28 18:58:28,464 WARN L170 areAnnotationChecker]: L593-1 has no Hoare annotation [2020-07-28 18:58:28,465 WARN L170 areAnnotationChecker]: L593-1 has no Hoare annotation [2020-07-28 18:58:28,465 WARN L170 areAnnotationChecker]: L593 has no Hoare annotation [2020-07-28 18:58:28,465 WARN L170 areAnnotationChecker]: L593 has no Hoare annotation [2020-07-28 18:58:28,465 WARN L170 areAnnotationChecker]: L533-2 has no Hoare annotation [2020-07-28 18:58:28,465 WARN L170 areAnnotationChecker]: L533-2 has no Hoare annotation [2020-07-28 18:58:28,465 WARN L170 areAnnotationChecker]: L784-11 has no Hoare annotation [2020-07-28 18:58:28,465 WARN L170 areAnnotationChecker]: L439-1 has no Hoare annotation [2020-07-28 18:58:28,465 WARN L170 areAnnotationChecker]: L439-1 has no Hoare annotation [2020-07-28 18:58:28,465 WARN L170 areAnnotationChecker]: L860 has no Hoare annotation [2020-07-28 18:58:28,465 WARN L170 areAnnotationChecker]: L456 has no Hoare annotation [2020-07-28 18:58:28,466 WARN L170 areAnnotationChecker]: L456 has no Hoare annotation [2020-07-28 18:58:28,466 WARN L170 areAnnotationChecker]: L624 has no Hoare annotation [2020-07-28 18:58:28,466 WARN L170 areAnnotationChecker]: L624 has no Hoare annotation [2020-07-28 18:58:28,466 WARN L170 areAnnotationChecker]: L798 has no Hoare annotation [2020-07-28 18:58:28,466 WARN L170 areAnnotationChecker]: L798 has no Hoare annotation [2020-07-28 18:58:28,466 WARN L170 areAnnotationChecker]: L538-2 has no Hoare annotation [2020-07-28 18:58:28,466 WARN L170 areAnnotationChecker]: L790-3 has no Hoare annotation [2020-07-28 18:58:28,466 WARN L170 areAnnotationChecker]: L863 has no Hoare annotation [2020-07-28 18:58:28,466 WARN L170 areAnnotationChecker]: L863 has no Hoare annotation [2020-07-28 18:58:28,467 WARN L170 areAnnotationChecker]: L682 has no Hoare annotation [2020-07-28 18:58:28,467 WARN L170 areAnnotationChecker]: L682 has no Hoare annotation [2020-07-28 18:58:28,467 WARN L170 areAnnotationChecker]: L631 has no Hoare annotation [2020-07-28 18:58:28,467 WARN L170 areAnnotationChecker]: L798-1 has no Hoare annotation [2020-07-28 18:58:28,467 WARN L170 areAnnotationChecker]: L784-6 has no Hoare annotation [2020-07-28 18:58:28,467 WARN L170 areAnnotationChecker]: L784-6 has no Hoare annotation [2020-07-28 18:58:28,467 WARN L170 areAnnotationChecker]: L660-3 has no Hoare annotation [2020-07-28 18:58:28,467 WARN L170 areAnnotationChecker]: L660-3 has no Hoare annotation [2020-07-28 18:58:28,467 WARN L170 areAnnotationChecker]: L863-1 has no Hoare annotation [2020-07-28 18:58:28,468 WARN L170 areAnnotationChecker]: L863-1 has no Hoare annotation [2020-07-28 18:58:28,468 WARN L170 areAnnotationChecker]: L493 has no Hoare annotation [2020-07-28 18:58:28,468 WARN L170 areAnnotationChecker]: L656-1 has no Hoare annotation [2020-07-28 18:58:28,468 WARN L170 areAnnotationChecker]: L656-1 has no Hoare annotation [2020-07-28 18:58:28,468 WARN L170 areAnnotationChecker]: L493-1 has no Hoare annotation [2020-07-28 18:58:28,468 WARN L170 areAnnotationChecker]: L784-8 has no Hoare annotation [2020-07-28 18:58:28,468 WARN L170 areAnnotationChecker]: L456-6 has no Hoare annotation [2020-07-28 18:58:28,468 WARN L170 areAnnotationChecker]: L456-6 has no Hoare annotation [2020-07-28 18:58:28,468 WARN L170 areAnnotationChecker]: L624-3 has no Hoare annotation [2020-07-28 18:58:28,468 WARN L170 areAnnotationChecker]: L624-3 has no Hoare annotation [2020-07-28 18:58:28,469 WARN L170 areAnnotationChecker]: L726 has no Hoare annotation [2020-07-28 18:58:28,469 WARN L170 areAnnotationChecker]: L533-1 has no Hoare annotation [2020-07-28 18:58:28,469 WARN L170 areAnnotationChecker]: L533-1 has no Hoare annotation [2020-07-28 18:58:28,469 WARN L170 areAnnotationChecker]: L417 has no Hoare annotation [2020-07-28 18:58:28,469 WARN L170 areAnnotationChecker]: L417 has no Hoare annotation [2020-07-28 18:58:28,469 WARN L170 areAnnotationChecker]: L790-2 has no Hoare annotation [2020-07-28 18:58:28,469 WARN L170 areAnnotationChecker]: L682-2 has no Hoare annotation [2020-07-28 18:58:28,469 WARN L170 areAnnotationChecker]: L682-2 has no Hoare annotation [2020-07-28 18:58:28,469 WARN L170 areAnnotationChecker]: L631-2 has no Hoare annotation [2020-07-28 18:58:28,469 WARN L170 areAnnotationChecker]: L686 has no Hoare annotation [2020-07-28 18:58:28,470 WARN L170 areAnnotationChecker]: L686 has no Hoare annotation [2020-07-28 18:58:28,470 WARN L170 areAnnotationChecker]: L538-1 has no Hoare annotation [2020-07-28 18:58:28,470 WARN L170 areAnnotationChecker]: L735 has no Hoare annotation [2020-07-28 18:58:28,470 WARN L170 areAnnotationChecker]: L660-2 has no Hoare annotation [2020-07-28 18:58:28,470 WARN L170 areAnnotationChecker]: L660-2 has no Hoare annotation [2020-07-28 18:58:28,470 WARN L170 areAnnotationChecker]: L493-4 has no Hoare annotation [2020-07-28 18:58:28,470 WARN L170 areAnnotationChecker]: L656-5 has no Hoare annotation [2020-07-28 18:58:28,470 WARN L170 areAnnotationChecker]: L656-5 has no Hoare annotation [2020-07-28 18:58:28,470 WARN L170 areAnnotationChecker]: L493-5 has no Hoare annotation [2020-07-28 18:58:28,471 WARN L170 areAnnotationChecker]: L656 has no Hoare annotation [2020-07-28 18:58:28,471 WARN L170 areAnnotationChecker]: L656 has no Hoare annotation [2020-07-28 18:58:28,471 WARN L170 areAnnotationChecker]: L784-3 has no Hoare annotation [2020-07-28 18:58:28,471 WARN L170 areAnnotationChecker]: L784-3 has no Hoare annotation [2020-07-28 18:58:28,471 WARN L170 areAnnotationChecker]: L421 has no Hoare annotation [2020-07-28 18:58:28,471 WARN L170 areAnnotationChecker]: L421 has no Hoare annotation [2020-07-28 18:58:28,471 WARN L170 areAnnotationChecker]: L726-2 has no Hoare annotation [2020-07-28 18:58:28,471 WARN L170 areAnnotationChecker]: L533-5 has no Hoare annotation [2020-07-28 18:58:28,471 WARN L170 areAnnotationChecker]: L533-5 has no Hoare annotation [2020-07-28 18:58:28,471 WARN L170 areAnnotationChecker]: L417-4 has no Hoare annotation [2020-07-28 18:58:28,472 WARN L170 areAnnotationChecker]: L417-4 has no Hoare annotation [2020-07-28 18:58:28,472 WARN L170 areAnnotationChecker]: L533 has no Hoare annotation [2020-07-28 18:58:28,472 WARN L170 areAnnotationChecker]: L533 has no Hoare annotation [2020-07-28 18:58:28,472 WARN L170 areAnnotationChecker]: L784-5 has no Hoare annotation [2020-07-28 18:58:28,472 WARN L170 areAnnotationChecker]: L439 has no Hoare annotation [2020-07-28 18:58:28,472 WARN L170 areAnnotationChecker]: L439 has no Hoare annotation [2020-07-28 18:58:28,472 WARN L170 areAnnotationChecker]: L686-2 has no Hoare annotation [2020-07-28 18:58:28,472 WARN L170 areAnnotationChecker]: L686-2 has no Hoare annotation [2020-07-28 18:58:28,472 WARN L170 areAnnotationChecker]: L538-5 has no Hoare annotation [2020-07-28 18:58:28,473 WARN L170 areAnnotationChecker]: L735-2 has no Hoare annotation [2020-07-28 18:58:28,473 WARN L170 areAnnotationChecker]: L417-5 has no Hoare annotation [2020-07-28 18:58:28,473 WARN L170 areAnnotationChecker]: L538 has no Hoare annotation [2020-07-28 18:58:28,473 WARN L170 areAnnotationChecker]: L790-1 has no Hoare annotation [2020-07-28 18:58:28,473 WARN L170 areAnnotationChecker]: L656-4 has no Hoare annotation [2020-07-28 18:58:28,473 WARN L170 areAnnotationChecker]: L656-4 has no Hoare annotation [2020-07-28 18:58:28,473 WARN L170 areAnnotationChecker]: L784-15 has no Hoare annotation [2020-07-28 18:58:28,473 WARN L170 areAnnotationChecker]: L784-15 has no Hoare annotation [2020-07-28 18:58:28,473 WARN L170 areAnnotationChecker]: L421-4 has no Hoare annotation [2020-07-28 18:58:28,474 WARN L170 areAnnotationChecker]: L421-4 has no Hoare annotation [2020-07-28 18:58:28,474 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-28 18:58:28,474 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-28 18:58:28,474 WARN L170 areAnnotationChecker]: L660-1 has no Hoare annotation [2020-07-28 18:58:28,474 WARN L170 areAnnotationChecker]: L660-1 has no Hoare annotation [2020-07-28 18:58:28,474 WARN L170 areAnnotationChecker]: L533-4 has no Hoare annotation [2020-07-28 18:58:28,474 WARN L170 areAnnotationChecker]: L533-4 has no Hoare annotation [2020-07-28 18:58:28,474 WARN L170 areAnnotationChecker]: L784-17 has no Hoare annotation [2020-07-28 18:58:28,475 WARN L170 areAnnotationChecker]: L439-2 has no Hoare annotation [2020-07-28 18:58:28,475 WARN L170 areAnnotationChecker]: L439-2 has no Hoare annotation [2020-07-28 18:58:28,475 WARN L170 areAnnotationChecker]: L784-2 has no Hoare annotation [2020-07-28 18:58:28,475 WARN L170 areAnnotationChecker]: L538-4 has no Hoare annotation [2020-07-28 18:58:28,475 WARN L170 areAnnotationChecker]: L790-5 has no Hoare annotation [2020-07-28 18:58:28,475 WARN L170 areAnnotationChecker]: L790 has no Hoare annotation [2020-07-28 18:58:28,476 WARN L170 areAnnotationChecker]: L784-12 has no Hoare annotation [2020-07-28 18:58:28,476 WARN L170 areAnnotationChecker]: L784-12 has no Hoare annotation [2020-07-28 18:58:28,476 WARN L170 areAnnotationChecker]: L660-5 has no Hoare annotation [2020-07-28 18:58:28,476 WARN L170 areAnnotationChecker]: L660-5 has no Hoare annotation [2020-07-28 18:58:28,476 WARN L170 areAnnotationChecker]: L660 has no Hoare annotation [2020-07-28 18:58:28,476 WARN L170 areAnnotationChecker]: L660 has no Hoare annotation [2020-07-28 18:58:28,476 WARN L170 areAnnotationChecker]: L784-14 has no Hoare annotation [2020-07-28 18:58:28,477 WARN L170 areAnnotationChecker]: L790-4 has no Hoare annotation [2020-07-28 18:58:28,477 WARN L170 areAnnotationChecker]: L660-4 has no Hoare annotation [2020-07-28 18:58:28,477 WARN L170 areAnnotationChecker]: L660-4 has no Hoare annotation [2020-07-28 18:58:28,477 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:58:28,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:58:28 BoogieIcfgContainer [2020-07-28 18:58:28,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:58:28,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:58:28,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:58:28,484 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:58:28,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:13" (3/4) ... [2020-07-28 18:58:28,488 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 18:58:28,716 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:58:28,716 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:58:28,719 INFO L168 Benchmark]: Toolchain (without parser) took 17511.60 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 400.0 MB). Free memory was 952.2 MB in the beginning and 1.2 GB in the end (delta: -286.6 MB). Peak memory consumption was 113.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:28,719 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:28,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:28,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:28,721 INFO L168 Benchmark]: Boogie Preprocessor took 71.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:28,721 INFO L168 Benchmark]: RCFGBuilder took 1732.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 929.0 MB in the end (delta: 171.9 MB). Peak memory consumption was 171.9 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:28,721 INFO L168 Benchmark]: TraceAbstraction took 14616.97 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 266.9 MB). Free memory was 929.0 MB in the beginning and 1.3 GB in the end (delta: -344.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:28,722 INFO L168 Benchmark]: Witness Printer took 232.74 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:28,723 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 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 731.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 113.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.48 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 1732.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 929.0 MB in the end (delta: 171.9 MB). Peak memory consumption was 171.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14616.97 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 266.9 MB). Free memory was 929.0 MB in the beginning and 1.3 GB in the end (delta: -344.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 232.74 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 439]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L450] int waterLevel = 1; [L451] int methaneLevelCritical = 0; [L617] int pumpRunning = 0; [L618] int systemActive = 1; [L848] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L921] int retValue_acc ; [L922] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L839] int retValue_acc ; [L842] retValue_acc = 1 [L843] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L928] tmp = valid_product() [L930] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L548] int splverifierCounter ; [L549] int tmp ; [L550] int tmp___0 ; [L551] int tmp___1 ; [L552] int tmp___2 ; [L555] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L557] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L559] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L565] tmp = __VERIFIER_nondet_int() [L567] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L468] COND TRUE waterLevel < 2 [L469] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L575] tmp___0 = __VERIFIER_nondet_int() [L577] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L480] COND FALSE !(\read(methaneLevelCritical)) [L483] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L585] tmp___2 = __VERIFIER_nondet_int() [L587] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L624] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L631] COND TRUE \read(systemActive) [L679] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L682] COND FALSE !(\read(pumpRunning)) [L653] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L656] COND TRUE ! pumpRunning [L776] int retValue_acc ; [L777] int tmp ; [L778] int tmp___0 ; [L530] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L533] COND FALSE !(waterLevel < 2) [L537] retValue_acc = 0 [L538] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L782] tmp = isHighWaterSensorDry() [L784] COND FALSE !(\read(tmp)) [L787] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L789] retValue_acc = tmp___0 [L790] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L658] tmp = isHighWaterLevel() [L660] COND TRUE \read(tmp) [L707] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L410] int tmp ; [L411] int tmp___0 ; [L489] int retValue_acc ; [L492] retValue_acc = methaneLevelCritical [L493] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L415] tmp = isMethaneLevelCritical() [L417] COND TRUE \read(tmp) [L731] int retValue_acc ; [L734] retValue_acc = pumpRunning [L735] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L419] tmp___0 = isPumpRunning() [L421] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L439] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.3s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 831 SDtfs, 1084 SDslu, 1323 SDs, 0 SdLazy, 169 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=264occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 741 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 10707 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...