./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product55.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_product55.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 f98010979adc33ea49508c52e1057d4173359b78 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:58:31,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:58:31,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:58:31,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:58:31,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:58:31,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:58:31,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:58:31,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:58:31,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:58:31,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:58:31,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:58:31,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:58:31,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:58:31,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:58:31,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:58:31,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:58:31,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:58:31,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:58:31,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:58:31,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:58:31,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:58:31,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:58:31,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:58:31,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:58:31,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:58:31,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:58:31,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:58:31,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:58:31,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:58:31,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:58:31,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:58:31,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:58:31,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:58:31,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:58:31,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:58:31,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:58:31,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:58:31,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:58:31,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:58:31,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:58:31,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:58:31,765 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:58:31,795 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:58:31,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:58:31,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:58:31,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:58:31,798 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:58:31,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:58:31,799 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:58:31,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:58:31,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:58:31,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:58:31,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:58:31,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:58:31,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:58:31,801 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:58:31,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:58:31,801 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:58:31,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:58:31,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:58:31,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:58:31,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:58:31,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:58:31,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:31,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:58:31,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:58:31,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:58:31,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:58:31,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:58:31,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:58:31,807 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:58:31,808 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 -> f98010979adc33ea49508c52e1057d4173359b78 [2020-07-28 18:58:32,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:58:32,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:58:32,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:58:32,155 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:58:32,157 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:58:32,158 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c [2020-07-28 18:58:32,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0d234e82/67356b494d3244b1b34eeac15ec6c2d4/FLAGd0c08121a [2020-07-28 18:58:32,761 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:58:32,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c [2020-07-28 18:58:32,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0d234e82/67356b494d3244b1b34eeac15ec6c2d4/FLAGd0c08121a [2020-07-28 18:58:33,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0d234e82/67356b494d3244b1b34eeac15ec6c2d4 [2020-07-28 18:58:33,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:58:33,074 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:58:33,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:33,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:58:33,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:58:33,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12fea4bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33, skipping insertion in model container [2020-07-28 18:58:33,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:58:33,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:58:33,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:33,592 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:58:33,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:33,751 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:58:33,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33 WrapperNode [2020-07-28 18:58:33,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:33,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:33,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:58:33,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:58:33,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:33,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:58:33,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:58:33,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:58:33,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... [2020-07-28 18:58:33,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:58:33,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:58:33,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:58:33,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:58:33,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:58:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:58:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:58:34,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:58:36,026 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:58:36,026 INFO L295 CfgBuilder]: Removed 280 assume(true) statements. [2020-07-28 18:58:36,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:36 BoogieIcfgContainer [2020-07-28 18:58:36,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:58:36,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:58:36,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:58:36,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:58:36,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:58:33" (1/3) ... [2020-07-28 18:58:36,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d48d91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:36, skipping insertion in model container [2020-07-28 18:58:36,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:33" (2/3) ... [2020-07-28 18:58:36,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d48d91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:36, skipping insertion in model container [2020-07-28 18:58:36,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:36" (3/3) ... [2020-07-28 18:58:36,045 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product55.cil.c [2020-07-28 18:58:36,058 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:58:36,068 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:58:36,085 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:58:36,115 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:58:36,116 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:58:36,116 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:58:36,116 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:58:36,117 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:58:36,117 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:58:36,117 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:58:36,118 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:58:36,141 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2020-07-28 18:58:36,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:58:36,150 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:36,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:36,152 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:36,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:36,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1084846627, now seen corresponding path program 1 times [2020-07-28 18:58:36,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:36,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26212866] [2020-07-28 18:58:36,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:36,508 INFO L280 TraceCheckUtils]: 0: Hoare triple {194#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {194#true} is VALID [2020-07-28 18:58:36,509 INFO L280 TraceCheckUtils]: 1: Hoare triple {194#true} havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~10, main_~tmp~6;havoc main_~retValue_acc~10;havoc main_~tmp~6; {194#true} is VALID [2020-07-28 18:58:36,509 INFO L280 TraceCheckUtils]: 2: Hoare triple {194#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {194#true} is VALID [2020-07-28 18:58:36,510 INFO L280 TraceCheckUtils]: 3: Hoare triple {194#true} main_#t~ret37 := valid_product_#res;assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647;main_~tmp~6 := main_#t~ret37;havoc main_#t~ret37; {194#true} is VALID [2020-07-28 18:58:36,510 INFO L280 TraceCheckUtils]: 4: Hoare triple {194#true} assume 0 != main_~tmp~6; {194#true} is VALID [2020-07-28 18:58:36,511 INFO L280 TraceCheckUtils]: 5: Hoare triple {194#true} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {194#true} is VALID [2020-07-28 18:58:36,512 INFO L280 TraceCheckUtils]: 6: Hoare triple {194#true} assume false; {195#false} is VALID [2020-07-28 18:58:36,512 INFO L280 TraceCheckUtils]: 7: Hoare triple {195#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {195#false} is VALID [2020-07-28 18:58:36,513 INFO L280 TraceCheckUtils]: 8: Hoare triple {195#false} assume !(0 != ~pumpRunning~0); {195#false} is VALID [2020-07-28 18:58:36,513 INFO L280 TraceCheckUtils]: 9: Hoare triple {195#false} assume !(0 != ~systemActive~0); {195#false} is VALID [2020-07-28 18:58:36,514 INFO L280 TraceCheckUtils]: 10: Hoare triple {195#false} havoc __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_#t~ret39, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {195#false} is VALID [2020-07-28 18:58:36,514 INFO L280 TraceCheckUtils]: 11: Hoare triple {195#false} __utac_acc__Specification1_spec__1_#t~ret38 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret38 && __utac_acc__Specification1_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret38;havoc __utac_acc__Specification1_spec__1_#t~ret38; {195#false} is VALID [2020-07-28 18:58:36,515 INFO L280 TraceCheckUtils]: 12: Hoare triple {195#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {195#false} is VALID [2020-07-28 18:58:36,515 INFO L280 TraceCheckUtils]: 13: Hoare triple {195#false} __utac_acc__Specification1_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret39 && __utac_acc__Specification1_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret39;havoc __utac_acc__Specification1_spec__1_#t~ret39; {195#false} is VALID [2020-07-28 18:58:36,515 INFO L280 TraceCheckUtils]: 14: Hoare triple {195#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {195#false} is VALID [2020-07-28 18:58:36,516 INFO L280 TraceCheckUtils]: 15: Hoare triple {195#false} assume !false; {195#false} is VALID [2020-07-28 18:58:36,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:36,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26212866] [2020-07-28 18:58:36,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:36,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:36,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756700094] [2020-07-28 18:58:36,530 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:36,532 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:36,536 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:58:36,577 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:36,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:58:36,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:36,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:58:36,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:36,590 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2020-07-28 18:58:37,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:37,102 INFO L93 Difference]: Finished difference Result 376 states and 575 transitions. [2020-07-28 18:58:37,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:58:37,102 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:37,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:37,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:37,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 575 transitions. [2020-07-28 18:58:37,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:37,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 575 transitions. [2020-07-28 18:58:37,128 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 575 transitions. [2020-07-28 18:58:37,777 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 575 edges. 575 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:37,799 INFO L225 Difference]: With dead ends: 376 [2020-07-28 18:58:37,800 INFO L226 Difference]: Without dead ends: 187 [2020-07-28 18:58:37,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:37,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-07-28 18:58:37,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-07-28 18:58:37,888 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:37,889 INFO L82 GeneralOperation]: Start isEquivalent. First operand 187 states. Second operand 187 states. [2020-07-28 18:58:37,889 INFO L74 IsIncluded]: Start isIncluded. First operand 187 states. Second operand 187 states. [2020-07-28 18:58:37,889 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 187 states. [2020-07-28 18:58:37,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:37,904 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2020-07-28 18:58:37,904 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2020-07-28 18:58:37,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:37,907 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:37,907 INFO L74 IsIncluded]: Start isIncluded. First operand 187 states. Second operand 187 states. [2020-07-28 18:58:37,907 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 187 states. [2020-07-28 18:58:37,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:37,920 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2020-07-28 18:58:37,920 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2020-07-28 18:58:37,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:37,923 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:37,923 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:37,923 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:37,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-07-28 18:58:37,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2020-07-28 18:58:37,937 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2020-07-28 18:58:37,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:37,938 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2020-07-28 18:58:37,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:58:37,939 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2020-07-28 18:58:37,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:58:37,940 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:37,940 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:37,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:58:37,941 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:37,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:37,942 INFO L82 PathProgramCache]: Analyzing trace with hash 38089730, now seen corresponding path program 1 times [2020-07-28 18:58:37,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:37,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40731469] [2020-07-28 18:58:37,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:38,082 INFO L280 TraceCheckUtils]: 0: Hoare triple {1334#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {1334#true} is VALID [2020-07-28 18:58:38,083 INFO L280 TraceCheckUtils]: 1: Hoare triple {1334#true} havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~10, main_~tmp~6;havoc main_~retValue_acc~10;havoc main_~tmp~6; {1334#true} is VALID [2020-07-28 18:58:38,083 INFO L280 TraceCheckUtils]: 2: Hoare triple {1334#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1334#true} is VALID [2020-07-28 18:58:38,083 INFO L280 TraceCheckUtils]: 3: Hoare triple {1334#true} main_#t~ret37 := valid_product_#res;assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647;main_~tmp~6 := main_#t~ret37;havoc main_#t~ret37; {1334#true} is VALID [2020-07-28 18:58:38,083 INFO L280 TraceCheckUtils]: 4: Hoare triple {1334#true} assume 0 != main_~tmp~6; {1334#true} is VALID [2020-07-28 18:58:38,085 INFO L280 TraceCheckUtils]: 5: Hoare triple {1334#true} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1336#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:38,086 INFO L280 TraceCheckUtils]: 6: Hoare triple {1336#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {1336#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:38,087 INFO L280 TraceCheckUtils]: 7: Hoare triple {1336#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {1335#false} is VALID [2020-07-28 18:58:38,087 INFO L280 TraceCheckUtils]: 8: Hoare triple {1335#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {1335#false} is VALID [2020-07-28 18:58:38,087 INFO L280 TraceCheckUtils]: 9: Hoare triple {1335#false} assume !(0 != ~pumpRunning~0); {1335#false} is VALID [2020-07-28 18:58:38,088 INFO L280 TraceCheckUtils]: 10: Hoare triple {1335#false} assume !(0 != ~systemActive~0); {1335#false} is VALID [2020-07-28 18:58:38,088 INFO L280 TraceCheckUtils]: 11: Hoare triple {1335#false} havoc __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_#t~ret39, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {1335#false} is VALID [2020-07-28 18:58:38,088 INFO L280 TraceCheckUtils]: 12: Hoare triple {1335#false} __utac_acc__Specification1_spec__1_#t~ret38 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret38 && __utac_acc__Specification1_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret38;havoc __utac_acc__Specification1_spec__1_#t~ret38; {1335#false} is VALID [2020-07-28 18:58:38,088 INFO L280 TraceCheckUtils]: 13: Hoare triple {1335#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {1335#false} is VALID [2020-07-28 18:58:38,089 INFO L280 TraceCheckUtils]: 14: Hoare triple {1335#false} __utac_acc__Specification1_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret39 && __utac_acc__Specification1_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret39;havoc __utac_acc__Specification1_spec__1_#t~ret39; {1335#false} is VALID [2020-07-28 18:58:38,089 INFO L280 TraceCheckUtils]: 15: Hoare triple {1335#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {1335#false} is VALID [2020-07-28 18:58:38,090 INFO L280 TraceCheckUtils]: 16: Hoare triple {1335#false} assume !false; {1335#false} is VALID [2020-07-28 18:58:38,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:38,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40731469] [2020-07-28 18:58:38,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:38,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:38,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345977870] [2020-07-28 18:58:38,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:38,101 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:38,102 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:38,127 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 18:58:38,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:38,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:38,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:38,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:38,128 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand 3 states. [2020-07-28 18:58:38,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:38,434 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2020-07-28 18:58:38,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:38,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:38,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:38,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:38,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2020-07-28 18:58:38,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:38,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 279 transitions. [2020-07-28 18:58:38,444 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 279 transitions. [2020-07-28 18:58:38,788 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 279 edges. 279 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:38,790 INFO L225 Difference]: With dead ends: 187 [2020-07-28 18:58:38,790 INFO L226 Difference]: Without dead ends: 73 [2020-07-28 18:58:38,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:38,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-07-28 18:58:38,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-07-28 18:58:38,823 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:38,823 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 73 states. [2020-07-28 18:58:38,823 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 73 states. [2020-07-28 18:58:38,823 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 73 states. [2020-07-28 18:58:38,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:38,828 INFO L93 Difference]: Finished difference Result 73 states and 108 transitions. [2020-07-28 18:58:38,828 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2020-07-28 18:58:38,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:38,829 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:38,829 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 73 states. [2020-07-28 18:58:38,829 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 73 states. [2020-07-28 18:58:38,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:38,836 INFO L93 Difference]: Finished difference Result 73 states and 108 transitions. [2020-07-28 18:58:38,836 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2020-07-28 18:58:38,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:38,837 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:38,837 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:38,837 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:38,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-07-28 18:58:38,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2020-07-28 18:58:38,841 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2020-07-28 18:58:38,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:38,841 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2020-07-28 18:58:38,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:38,842 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2020-07-28 18:58:38,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:58:38,843 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:38,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:38,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:58:38,843 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:38,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:38,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1082167242, now seen corresponding path program 1 times [2020-07-28 18:58:38,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:38,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266194586] [2020-07-28 18:58:38,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:38,946 INFO L280 TraceCheckUtils]: 0: Hoare triple {1837#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {1839#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:38,947 INFO L280 TraceCheckUtils]: 1: Hoare triple {1839#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~10, main_~tmp~6;havoc main_~retValue_acc~10;havoc main_~tmp~6; {1839#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:38,949 INFO L280 TraceCheckUtils]: 2: Hoare triple {1839#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1840#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-28 18:58:38,950 INFO L280 TraceCheckUtils]: 3: Hoare triple {1840#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} main_#t~ret37 := valid_product_#res;assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647;main_~tmp~6 := main_#t~ret37;havoc main_#t~ret37; {1841#(= ULTIMATE.start_main_~tmp~6 ~systemActive~0)} is VALID [2020-07-28 18:58:38,951 INFO L280 TraceCheckUtils]: 4: Hoare triple {1841#(= ULTIMATE.start_main_~tmp~6 ~systemActive~0)} assume 0 != main_~tmp~6; {1842#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,951 INFO L280 TraceCheckUtils]: 5: Hoare triple {1842#(not (= 0 ~systemActive~0))} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1842#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,952 INFO L280 TraceCheckUtils]: 6: Hoare triple {1842#(not (= 0 ~systemActive~0))} assume !false; {1842#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,953 INFO L280 TraceCheckUtils]: 7: Hoare triple {1842#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {1842#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,954 INFO L280 TraceCheckUtils]: 8: Hoare triple {1842#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; {1842#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,954 INFO L280 TraceCheckUtils]: 9: Hoare triple {1842#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~0); {1842#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,955 INFO L280 TraceCheckUtils]: 10: Hoare triple {1842#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {1842#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,956 INFO L280 TraceCheckUtils]: 11: Hoare triple {1842#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0); {1842#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,957 INFO L280 TraceCheckUtils]: 12: Hoare triple {1842#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {1842#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,958 INFO L280 TraceCheckUtils]: 13: Hoare triple {1842#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {1842#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,959 INFO L280 TraceCheckUtils]: 14: Hoare triple {1842#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1842#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 18:58:38,959 INFO L280 TraceCheckUtils]: 15: Hoare triple {1842#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1838#false} is VALID [2020-07-28 18:58:38,960 INFO L280 TraceCheckUtils]: 16: Hoare triple {1838#false} havoc __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_#t~ret39, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {1838#false} is VALID [2020-07-28 18:58:38,960 INFO L280 TraceCheckUtils]: 17: Hoare triple {1838#false} __utac_acc__Specification1_spec__1_#t~ret38 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret38 && __utac_acc__Specification1_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret38;havoc __utac_acc__Specification1_spec__1_#t~ret38; {1838#false} is VALID [2020-07-28 18:58:38,961 INFO L280 TraceCheckUtils]: 18: Hoare triple {1838#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {1838#false} is VALID [2020-07-28 18:58:38,961 INFO L280 TraceCheckUtils]: 19: Hoare triple {1838#false} __utac_acc__Specification1_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret39 && __utac_acc__Specification1_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret39;havoc __utac_acc__Specification1_spec__1_#t~ret39; {1838#false} is VALID [2020-07-28 18:58:38,961 INFO L280 TraceCheckUtils]: 20: Hoare triple {1838#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {1838#false} is VALID [2020-07-28 18:58:38,961 INFO L280 TraceCheckUtils]: 21: Hoare triple {1838#false} assume !false; {1838#false} is VALID [2020-07-28 18:58:38,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:38,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266194586] [2020-07-28 18:58:38,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:38,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:38,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844303900] [2020-07-28 18:58:38,964 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 18:58:38,965 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:38,965 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:58:38,995 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:38,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:58:38,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:38,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:58:38,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 18:58:38,997 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 6 states. [2020-07-28 18:58:39,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:39,968 INFO L93 Difference]: Finished difference Result 230 states and 346 transitions. [2020-07-28 18:58:39,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:39,969 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 18:58:39,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:39,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:39,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 346 transitions. [2020-07-28 18:58:39,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 346 transitions. [2020-07-28 18:58:39,982 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 346 transitions. [2020-07-28 18:58:40,454 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 346 edges. 346 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:40,458 INFO L225 Difference]: With dead ends: 230 [2020-07-28 18:58:40,459 INFO L226 Difference]: Without dead ends: 163 [2020-07-28 18:58:40,461 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 18:58:40,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-07-28 18:58:40,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 92. [2020-07-28 18:58:40,545 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:40,545 INFO L82 GeneralOperation]: Start isEquivalent. First operand 163 states. Second operand 92 states. [2020-07-28 18:58:40,546 INFO L74 IsIncluded]: Start isIncluded. First operand 163 states. Second operand 92 states. [2020-07-28 18:58:40,546 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 92 states. [2020-07-28 18:58:40,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:40,555 INFO L93 Difference]: Finished difference Result 163 states and 242 transitions. [2020-07-28 18:58:40,555 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2020-07-28 18:58:40,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:40,556 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:40,556 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 163 states. [2020-07-28 18:58:40,556 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 163 states. [2020-07-28 18:58:40,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:40,563 INFO L93 Difference]: Finished difference Result 163 states and 242 transitions. [2020-07-28 18:58:40,563 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2020-07-28 18:58:40,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:40,564 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:40,564 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:40,565 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:40,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-07-28 18:58:40,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 137 transitions. [2020-07-28 18:58:40,569 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 137 transitions. Word has length 22 [2020-07-28 18:58:40,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:40,570 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 137 transitions. [2020-07-28 18:58:40,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:58:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 137 transitions. [2020-07-28 18:58:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:58:40,571 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:40,571 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 18:58:40,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:58:40,572 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:40,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:40,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1933185311, now seen corresponding path program 1 times [2020-07-28 18:58:40,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:40,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187615481] [2020-07-28 18:58:40,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:40,686 INFO L280 TraceCheckUtils]: 0: Hoare triple {2612#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {2614#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:40,689 INFO L280 TraceCheckUtils]: 1: Hoare triple {2614#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~10, main_~tmp~6;havoc main_~retValue_acc~10;havoc main_~tmp~6; {2614#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:40,690 INFO L280 TraceCheckUtils]: 2: Hoare triple {2614#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {2614#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:40,691 INFO L280 TraceCheckUtils]: 3: Hoare triple {2614#(= 0 ~pumpRunning~0)} main_#t~ret37 := valid_product_#res;assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647;main_~tmp~6 := main_#t~ret37;havoc main_#t~ret37; {2614#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:40,692 INFO L280 TraceCheckUtils]: 4: Hoare triple {2614#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~6; {2614#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:40,693 INFO L280 TraceCheckUtils]: 5: Hoare triple {2614#(= 0 ~pumpRunning~0)} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2614#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:40,696 INFO L280 TraceCheckUtils]: 6: Hoare triple {2614#(= 0 ~pumpRunning~0)} assume !false; {2614#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:40,698 INFO L280 TraceCheckUtils]: 7: Hoare triple {2614#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2614#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:40,699 INFO L280 TraceCheckUtils]: 8: Hoare triple {2614#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; {2614#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:40,700 INFO L280 TraceCheckUtils]: 9: Hoare triple {2614#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~0); {2614#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:40,701 INFO L280 TraceCheckUtils]: 10: Hoare triple {2614#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {2614#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:40,701 INFO L280 TraceCheckUtils]: 11: Hoare triple {2614#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {2614#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:40,702 INFO L280 TraceCheckUtils]: 12: Hoare triple {2614#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {2614#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:40,703 INFO L280 TraceCheckUtils]: 13: Hoare triple {2614#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {2614#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:40,704 INFO L280 TraceCheckUtils]: 14: Hoare triple {2614#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2614#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:40,704 INFO L280 TraceCheckUtils]: 15: Hoare triple {2614#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {2614#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:40,705 INFO L280 TraceCheckUtils]: 16: Hoare triple {2614#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; {2614#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:40,706 INFO L280 TraceCheckUtils]: 17: Hoare triple {2614#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {2614#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:40,707 INFO L280 TraceCheckUtils]: 18: Hoare triple {2614#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {2613#false} is VALID [2020-07-28 18:58:40,707 INFO L280 TraceCheckUtils]: 19: Hoare triple {2613#false} havoc __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_#t~ret39, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {2613#false} is VALID [2020-07-28 18:58:40,708 INFO L280 TraceCheckUtils]: 20: Hoare triple {2613#false} __utac_acc__Specification1_spec__1_#t~ret38 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret38 && __utac_acc__Specification1_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret38;havoc __utac_acc__Specification1_spec__1_#t~ret38; {2613#false} is VALID [2020-07-28 18:58:40,708 INFO L280 TraceCheckUtils]: 21: Hoare triple {2613#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {2613#false} is VALID [2020-07-28 18:58:40,708 INFO L280 TraceCheckUtils]: 22: Hoare triple {2613#false} __utac_acc__Specification1_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret39 && __utac_acc__Specification1_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret39;havoc __utac_acc__Specification1_spec__1_#t~ret39; {2613#false} is VALID [2020-07-28 18:58:40,708 INFO L280 TraceCheckUtils]: 23: Hoare triple {2613#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {2613#false} is VALID [2020-07-28 18:58:40,709 INFO L280 TraceCheckUtils]: 24: Hoare triple {2613#false} assume !false; {2613#false} is VALID [2020-07-28 18:58:40,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:40,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187615481] [2020-07-28 18:58:40,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:40,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:40,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919147568] [2020-07-28 18:58:40,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 18:58:40,715 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:40,715 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:40,756 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 18:58:40,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:40,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:40,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:40,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:40,757 INFO L87 Difference]: Start difference. First operand 92 states and 137 transitions. Second operand 3 states. [2020-07-28 18:58:41,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:41,085 INFO L93 Difference]: Finished difference Result 187 states and 280 transitions. [2020-07-28 18:58:41,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:41,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 18:58:41,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:41,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:41,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 224 transitions. [2020-07-28 18:58:41,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:41,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 224 transitions. [2020-07-28 18:58:41,094 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 224 transitions. [2020-07-28 18:58:41,340 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 224 edges. 224 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:41,342 INFO L225 Difference]: With dead ends: 187 [2020-07-28 18:58:41,343 INFO L226 Difference]: Without dead ends: 101 [2020-07-28 18:58:41,344 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 18:58:41,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-28 18:58:41,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2020-07-28 18:58:41,450 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:41,450 INFO L82 GeneralOperation]: Start isEquivalent. First operand 101 states. Second operand 99 states. [2020-07-28 18:58:41,450 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 99 states. [2020-07-28 18:58:41,450 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 99 states. [2020-07-28 18:58:41,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:41,455 INFO L93 Difference]: Finished difference Result 101 states and 142 transitions. [2020-07-28 18:58:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 142 transitions. [2020-07-28 18:58:41,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:41,456 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:41,456 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand 101 states. [2020-07-28 18:58:41,456 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 101 states. [2020-07-28 18:58:41,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:41,460 INFO L93 Difference]: Finished difference Result 101 states and 142 transitions. [2020-07-28 18:58:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 142 transitions. [2020-07-28 18:58:41,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:41,461 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:41,461 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:41,461 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:41,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-28 18:58:41,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2020-07-28 18:58:41,466 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 25 [2020-07-28 18:58:41,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:41,466 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2020-07-28 18:58:41,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:41,466 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2020-07-28 18:58:41,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:58:41,467 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:41,467 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 18:58:41,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:58:41,468 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:41,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:41,469 INFO L82 PathProgramCache]: Analyzing trace with hash 2034893835, now seen corresponding path program 1 times [2020-07-28 18:58:41,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:41,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906999824] [2020-07-28 18:58:41,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:41,550 INFO L280 TraceCheckUtils]: 0: Hoare triple {3212#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,551 INFO L280 TraceCheckUtils]: 1: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~10, main_~tmp~6;havoc main_~retValue_acc~10;havoc main_~tmp~6; {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,552 INFO L280 TraceCheckUtils]: 2: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,553 INFO L280 TraceCheckUtils]: 3: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} main_#t~ret37 := valid_product_#res;assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647;main_~tmp~6 := main_#t~ret37;havoc main_#t~ret37; {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,554 INFO L280 TraceCheckUtils]: 4: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~6; {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,554 INFO L280 TraceCheckUtils]: 5: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,555 INFO L280 TraceCheckUtils]: 6: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} assume !false; {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,556 INFO L280 TraceCheckUtils]: 7: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,557 INFO L280 TraceCheckUtils]: 8: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,558 INFO L280 TraceCheckUtils]: 9: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~0); {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,561 INFO L280 TraceCheckUtils]: 10: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,562 INFO L280 TraceCheckUtils]: 11: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~0); {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,563 INFO L280 TraceCheckUtils]: 12: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,563 INFO L280 TraceCheckUtils]: 13: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___1~0 := test_#t~nondet4;havoc test_#t~nondet4; {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,564 INFO L280 TraceCheckUtils]: 14: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___1~0; {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,564 INFO L280 TraceCheckUtils]: 15: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,565 INFO L280 TraceCheckUtils]: 16: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} ~systemActive~0 := 0; {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,565 INFO L280 TraceCheckUtils]: 17: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,566 INFO L280 TraceCheckUtils]: 18: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~systemActive~0); {3214#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,567 INFO L280 TraceCheckUtils]: 19: Hoare triple {3214#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_#t~ret39, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {3215#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:58:41,567 INFO L280 TraceCheckUtils]: 20: Hoare triple {3215#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret38 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret38 && __utac_acc__Specification1_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret38;havoc __utac_acc__Specification1_spec__1_#t~ret38; {3216#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~7 0)} is VALID [2020-07-28 18:58:41,568 INFO L280 TraceCheckUtils]: 21: Hoare triple {3216#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~7 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {3213#false} is VALID [2020-07-28 18:58:41,568 INFO L280 TraceCheckUtils]: 22: Hoare triple {3213#false} __utac_acc__Specification1_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret39 && __utac_acc__Specification1_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret39;havoc __utac_acc__Specification1_spec__1_#t~ret39; {3213#false} is VALID [2020-07-28 18:58:41,568 INFO L280 TraceCheckUtils]: 23: Hoare triple {3213#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {3213#false} is VALID [2020-07-28 18:58:41,569 INFO L280 TraceCheckUtils]: 24: Hoare triple {3213#false} assume !false; {3213#false} is VALID [2020-07-28 18:58:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:41,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906999824] [2020-07-28 18:58:41,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:41,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:41,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516851712] [2020-07-28 18:58:41,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:58:41,572 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:41,572 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:41,613 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 18:58:41,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:41,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:41,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:41,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:41,615 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand 5 states. [2020-07-28 18:58:43,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:43,063 INFO L93 Difference]: Finished difference Result 485 states and 703 transitions. [2020-07-28 18:58:43,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:58:43,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:58:43,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:43,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:43,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 450 transitions. [2020-07-28 18:58:43,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:43,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 450 transitions. [2020-07-28 18:58:43,093 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 450 transitions. [2020-07-28 18:58:43,659 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 450 edges. 450 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:43,672 INFO L225 Difference]: With dead ends: 485 [2020-07-28 18:58:43,673 INFO L226 Difference]: Without dead ends: 392 [2020-07-28 18:58:43,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:43,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2020-07-28 18:58:43,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 184. [2020-07-28 18:58:43,948 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:43,948 INFO L82 GeneralOperation]: Start isEquivalent. First operand 392 states. Second operand 184 states. [2020-07-28 18:58:43,948 INFO L74 IsIncluded]: Start isIncluded. First operand 392 states. Second operand 184 states. [2020-07-28 18:58:43,949 INFO L87 Difference]: Start difference. First operand 392 states. Second operand 184 states. [2020-07-28 18:58:43,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:43,964 INFO L93 Difference]: Finished difference Result 392 states and 561 transitions. [2020-07-28 18:58:43,964 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 561 transitions. [2020-07-28 18:58:43,965 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:43,965 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:43,966 INFO L74 IsIncluded]: Start isIncluded. First operand 184 states. Second operand 392 states. [2020-07-28 18:58:43,966 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 392 states. [2020-07-28 18:58:43,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:43,981 INFO L93 Difference]: Finished difference Result 392 states and 561 transitions. [2020-07-28 18:58:43,982 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 561 transitions. [2020-07-28 18:58:43,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:43,983 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:43,983 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:43,983 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:43,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-07-28 18:58:43,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 260 transitions. [2020-07-28 18:58:43,988 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 260 transitions. Word has length 25 [2020-07-28 18:58:43,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:43,989 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 260 transitions. [2020-07-28 18:58:43,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:43,989 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 260 transitions. [2020-07-28 18:58:43,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 18:58:43,990 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:43,991 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 18:58:43,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:58:43,991 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:43,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:43,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1831086741, now seen corresponding path program 1 times [2020-07-28 18:58:43,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:43,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766950833] [2020-07-28 18:58:43,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:44,122 INFO L280 TraceCheckUtils]: 0: Hoare triple {4941#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,122 INFO L280 TraceCheckUtils]: 1: Hoare triple {4943#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~10, main_~tmp~6;havoc main_~retValue_acc~10;havoc main_~tmp~6; {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,124 INFO L280 TraceCheckUtils]: 2: Hoare triple {4943#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,124 INFO L280 TraceCheckUtils]: 3: Hoare triple {4943#(= 0 ~pumpRunning~0)} main_#t~ret37 := valid_product_#res;assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647;main_~tmp~6 := main_#t~ret37;havoc main_#t~ret37; {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,125 INFO L280 TraceCheckUtils]: 4: Hoare triple {4943#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~6; {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,126 INFO L280 TraceCheckUtils]: 5: Hoare triple {4943#(= 0 ~pumpRunning~0)} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,127 INFO L280 TraceCheckUtils]: 6: Hoare triple {4943#(= 0 ~pumpRunning~0)} assume !false; {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,127 INFO L280 TraceCheckUtils]: 7: Hoare triple {4943#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,128 INFO L280 TraceCheckUtils]: 8: Hoare triple {4943#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,129 INFO L280 TraceCheckUtils]: 9: Hoare triple {4943#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~0); {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,129 INFO L280 TraceCheckUtils]: 10: Hoare triple {4943#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,130 INFO L280 TraceCheckUtils]: 11: Hoare triple {4943#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~0; {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,130 INFO L280 TraceCheckUtils]: 12: Hoare triple {4943#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,131 INFO L280 TraceCheckUtils]: 13: Hoare triple {4943#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,131 INFO L280 TraceCheckUtils]: 14: Hoare triple {4943#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet4 && test_#t~nondet4 <= 2147483647;test_~tmp___1~0 := test_#t~nondet4;havoc test_#t~nondet4; {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,133 INFO L280 TraceCheckUtils]: 15: Hoare triple {4943#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___1~0; {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,134 INFO L280 TraceCheckUtils]: 16: Hoare triple {4943#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,135 INFO L280 TraceCheckUtils]: 17: Hoare triple {4943#(= 0 ~pumpRunning~0)} ~systemActive~0 := 0; {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,136 INFO L280 TraceCheckUtils]: 18: Hoare triple {4943#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,137 INFO L280 TraceCheckUtils]: 19: Hoare triple {4943#(= 0 ~pumpRunning~0)} assume !(0 != ~systemActive~0); {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,138 INFO L280 TraceCheckUtils]: 20: Hoare triple {4943#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_#t~ret39, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,139 INFO L280 TraceCheckUtils]: 21: Hoare triple {4943#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret38 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret38 && __utac_acc__Specification1_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret38;havoc __utac_acc__Specification1_spec__1_#t~ret38; {4943#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:44,140 INFO L280 TraceCheckUtils]: 22: Hoare triple {4943#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {4944#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:58:44,141 INFO L280 TraceCheckUtils]: 23: Hoare triple {4944#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret39 && __utac_acc__Specification1_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret39;havoc __utac_acc__Specification1_spec__1_#t~ret39; {4945#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~3)} is VALID [2020-07-28 18:58:44,143 INFO L280 TraceCheckUtils]: 24: Hoare triple {4945#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~3)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {4942#false} is VALID [2020-07-28 18:58:44,144 INFO L280 TraceCheckUtils]: 25: Hoare triple {4942#false} assume !false; {4942#false} is VALID [2020-07-28 18:58:44,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:44,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766950833] [2020-07-28 18:58:44,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:44,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:44,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998294717] [2020-07-28 18:58:44,147 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:58:44,147 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:44,147 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:44,186 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 18:58:44,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:44,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:44,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:44,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:44,187 INFO L87 Difference]: Start difference. First operand 184 states and 260 transitions. Second operand 5 states. [2020-07-28 18:58:45,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:45,776 INFO L93 Difference]: Finished difference Result 522 states and 741 transitions. [2020-07-28 18:58:45,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:58:45,777 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:58:45,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:45,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:45,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 332 transitions. [2020-07-28 18:58:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:45,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 332 transitions. [2020-07-28 18:58:45,782 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 332 transitions. [2020-07-28 18:58:46,147 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 332 edges. 332 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:46,165 INFO L225 Difference]: With dead ends: 522 [2020-07-28 18:58:46,165 INFO L226 Difference]: Without dead ends: 520 [2020-07-28 18:58:46,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:46,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-07-28 18:58:46,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 184. [2020-07-28 18:58:46,485 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:46,486 INFO L82 GeneralOperation]: Start isEquivalent. First operand 520 states. Second operand 184 states. [2020-07-28 18:58:46,486 INFO L74 IsIncluded]: Start isIncluded. First operand 520 states. Second operand 184 states. [2020-07-28 18:58:46,486 INFO L87 Difference]: Start difference. First operand 520 states. Second operand 184 states. [2020-07-28 18:58:46,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:46,519 INFO L93 Difference]: Finished difference Result 520 states and 738 transitions. [2020-07-28 18:58:46,519 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 738 transitions. [2020-07-28 18:58:46,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:46,520 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:46,521 INFO L74 IsIncluded]: Start isIncluded. First operand 184 states. Second operand 520 states. [2020-07-28 18:58:46,521 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 520 states. [2020-07-28 18:58:46,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:46,561 INFO L93 Difference]: Finished difference Result 520 states and 738 transitions. [2020-07-28 18:58:46,562 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 738 transitions. [2020-07-28 18:58:46,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:46,564 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:46,564 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:46,564 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:46,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-07-28 18:58:46,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 258 transitions. [2020-07-28 18:58:46,570 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 258 transitions. Word has length 26 [2020-07-28 18:58:46,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:46,570 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 258 transitions. [2020-07-28 18:58:46,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:46,571 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 258 transitions. [2020-07-28 18:58:46,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:58:46,574 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:46,574 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:46,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 18:58:46,575 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:46,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:46,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1549689670, now seen corresponding path program 1 times [2020-07-28 18:58:46,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:46,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888878615] [2020-07-28 18:58:46,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:46,710 INFO L280 TraceCheckUtils]: 0: Hoare triple {6976#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {6976#true} is VALID [2020-07-28 18:58:46,710 INFO L280 TraceCheckUtils]: 1: Hoare triple {6976#true} havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~10, main_~tmp~6;havoc main_~retValue_acc~10;havoc main_~tmp~6; {6976#true} is VALID [2020-07-28 18:58:46,710 INFO L280 TraceCheckUtils]: 2: Hoare triple {6976#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {6976#true} is VALID [2020-07-28 18:58:46,711 INFO L280 TraceCheckUtils]: 3: Hoare triple {6976#true} main_#t~ret37 := valid_product_#res;assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647;main_~tmp~6 := main_#t~ret37;havoc main_#t~ret37; {6976#true} is VALID [2020-07-28 18:58:46,711 INFO L280 TraceCheckUtils]: 4: Hoare triple {6976#true} assume 0 != main_~tmp~6; {6976#true} is VALID [2020-07-28 18:58:46,712 INFO L280 TraceCheckUtils]: 5: Hoare triple {6976#true} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6976#true} is VALID [2020-07-28 18:58:46,712 INFO L280 TraceCheckUtils]: 6: Hoare triple {6976#true} assume !false; {6976#true} is VALID [2020-07-28 18:58:46,713 INFO L280 TraceCheckUtils]: 7: Hoare triple {6976#true} assume test_~splverifierCounter~0 < 4; {6976#true} is VALID [2020-07-28 18:58:46,713 INFO L280 TraceCheckUtils]: 8: Hoare triple {6976#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; {6976#true} is VALID [2020-07-28 18:58:46,713 INFO L280 TraceCheckUtils]: 9: Hoare triple {6976#true} assume !(0 != test_~tmp~0); {6976#true} is VALID [2020-07-28 18:58:46,714 INFO L280 TraceCheckUtils]: 10: Hoare triple {6976#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {6976#true} is VALID [2020-07-28 18:58:46,714 INFO L280 TraceCheckUtils]: 11: Hoare triple {6976#true} assume 0 != test_~tmp___0~0; {6976#true} is VALID [2020-07-28 18:58:46,715 INFO L280 TraceCheckUtils]: 12: Hoare triple {6976#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {6976#true} is VALID [2020-07-28 18:58:46,715 INFO L280 TraceCheckUtils]: 13: Hoare triple {6976#true} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {6976#true} is VALID [2020-07-28 18:58:46,715 INFO L280 TraceCheckUtils]: 14: Hoare triple {6976#true} assume 0 != test_~tmp___2~0; {6976#true} is VALID [2020-07-28 18:58:46,716 INFO L280 TraceCheckUtils]: 15: Hoare triple {6976#true} assume !(0 != ~pumpRunning~0); {6976#true} is VALID [2020-07-28 18:58:46,716 INFO L280 TraceCheckUtils]: 16: Hoare triple {6976#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {6976#true} is VALID [2020-07-28 18:58:46,716 INFO L280 TraceCheckUtils]: 17: Hoare triple {6976#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; {6976#true} is VALID [2020-07-28 18:58:46,716 INFO L280 TraceCheckUtils]: 18: Hoare triple {6976#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {6976#true} is VALID [2020-07-28 18:58:46,716 INFO L280 TraceCheckUtils]: 19: Hoare triple {6976#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {6976#true} is VALID [2020-07-28 18:58:46,717 INFO L280 TraceCheckUtils]: 20: Hoare triple {6976#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {6976#true} is VALID [2020-07-28 18:58:46,717 INFO L280 TraceCheckUtils]: 21: Hoare triple {6976#true} isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret25 && isHighWaterLevel_#t~ret25 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; {6976#true} is VALID [2020-07-28 18:58:46,718 INFO L280 TraceCheckUtils]: 22: Hoare triple {6976#true} assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; {6978#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 18:58:46,719 INFO L280 TraceCheckUtils]: 23: Hoare triple {6978#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {6979#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 18:58:46,720 INFO L280 TraceCheckUtils]: 24: Hoare triple {6979#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret5 && processEnvironment__wrappee__highWaterSensor_#t~ret5 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; {6980#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)} is VALID [2020-07-28 18:58:46,721 INFO L280 TraceCheckUtils]: 25: Hoare triple {6980#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {6977#false} is VALID [2020-07-28 18:58:46,721 INFO L280 TraceCheckUtils]: 26: Hoare triple {6977#false} havoc __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_#t~ret39, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {6977#false} is VALID [2020-07-28 18:58:46,722 INFO L280 TraceCheckUtils]: 27: Hoare triple {6977#false} __utac_acc__Specification1_spec__1_#t~ret38 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret38 && __utac_acc__Specification1_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret38;havoc __utac_acc__Specification1_spec__1_#t~ret38; {6977#false} is VALID [2020-07-28 18:58:46,722 INFO L280 TraceCheckUtils]: 28: Hoare triple {6977#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {6977#false} is VALID [2020-07-28 18:58:46,722 INFO L280 TraceCheckUtils]: 29: Hoare triple {6977#false} __utac_acc__Specification1_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret39 && __utac_acc__Specification1_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret39;havoc __utac_acc__Specification1_spec__1_#t~ret39; {6977#false} is VALID [2020-07-28 18:58:46,722 INFO L280 TraceCheckUtils]: 30: Hoare triple {6977#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {6977#false} is VALID [2020-07-28 18:58:46,722 INFO L280 TraceCheckUtils]: 31: Hoare triple {6977#false} assume !false; {6977#false} is VALID [2020-07-28 18:58:46,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:46,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888878615] [2020-07-28 18:58:46,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:46,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:46,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752197745] [2020-07-28 18:58:46,726 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 18:58:46,727 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:46,727 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:46,770 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:46,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:46,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:46,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:46,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:46,772 INFO L87 Difference]: Start difference. First operand 184 states and 258 transitions. Second operand 5 states. [2020-07-28 18:58:48,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:48,271 INFO L93 Difference]: Finished difference Result 534 states and 740 transitions. [2020-07-28 18:58:48,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:48,271 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-07-28 18:58:48,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:48,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:48,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 241 transitions. [2020-07-28 18:58:48,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:48,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 241 transitions. [2020-07-28 18:58:48,285 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 241 transitions. [2020-07-28 18:58:48,535 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 241 edges. 241 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:48,546 INFO L225 Difference]: With dead ends: 534 [2020-07-28 18:58:48,547 INFO L226 Difference]: Without dead ends: 356 [2020-07-28 18:58:48,548 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 18:58:48,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2020-07-28 18:58:48,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 202. [2020-07-28 18:58:48,963 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:48,963 INFO L82 GeneralOperation]: Start isEquivalent. First operand 356 states. Second operand 202 states. [2020-07-28 18:58:48,963 INFO L74 IsIncluded]: Start isIncluded. First operand 356 states. Second operand 202 states. [2020-07-28 18:58:48,963 INFO L87 Difference]: Start difference. First operand 356 states. Second operand 202 states. [2020-07-28 18:58:48,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:48,975 INFO L93 Difference]: Finished difference Result 356 states and 482 transitions. [2020-07-28 18:58:48,976 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 482 transitions. [2020-07-28 18:58:48,976 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:48,977 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:48,977 INFO L74 IsIncluded]: Start isIncluded. First operand 202 states. Second operand 356 states. [2020-07-28 18:58:48,977 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 356 states. [2020-07-28 18:58:48,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:48,990 INFO L93 Difference]: Finished difference Result 356 states and 482 transitions. [2020-07-28 18:58:48,990 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 482 transitions. [2020-07-28 18:58:48,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:48,991 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:48,991 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:48,991 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-07-28 18:58:48,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 276 transitions. [2020-07-28 18:58:48,998 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 276 transitions. Word has length 32 [2020-07-28 18:58:48,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:48,998 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 276 transitions. [2020-07-28 18:58:48,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:48,999 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 276 transitions. [2020-07-28 18:58:48,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:58:49,000 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:49,000 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 18:58:49,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 18:58:49,000 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:49,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:49,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1942716680, now seen corresponding path program 1 times [2020-07-28 18:58:49,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:49,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404545089] [2020-07-28 18:58:49,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:49,063 INFO L280 TraceCheckUtils]: 0: Hoare triple {8720#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {8720#true} is VALID [2020-07-28 18:58:49,064 INFO L280 TraceCheckUtils]: 1: Hoare triple {8720#true} havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~10, main_~tmp~6;havoc main_~retValue_acc~10;havoc main_~tmp~6; {8720#true} is VALID [2020-07-28 18:58:49,064 INFO L280 TraceCheckUtils]: 2: Hoare triple {8720#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {8720#true} is VALID [2020-07-28 18:58:49,064 INFO L280 TraceCheckUtils]: 3: Hoare triple {8720#true} main_#t~ret37 := valid_product_#res;assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647;main_~tmp~6 := main_#t~ret37;havoc main_#t~ret37; {8720#true} is VALID [2020-07-28 18:58:49,065 INFO L280 TraceCheckUtils]: 4: Hoare triple {8720#true} assume 0 != main_~tmp~6; {8720#true} is VALID [2020-07-28 18:58:49,065 INFO L280 TraceCheckUtils]: 5: Hoare triple {8720#true} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8720#true} is VALID [2020-07-28 18:58:49,065 INFO L280 TraceCheckUtils]: 6: Hoare triple {8720#true} assume !false; {8720#true} is VALID [2020-07-28 18:58:49,065 INFO L280 TraceCheckUtils]: 7: Hoare triple {8720#true} assume test_~splverifierCounter~0 < 4; {8720#true} is VALID [2020-07-28 18:58:49,065 INFO L280 TraceCheckUtils]: 8: Hoare triple {8720#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; {8720#true} is VALID [2020-07-28 18:58:49,066 INFO L280 TraceCheckUtils]: 9: Hoare triple {8720#true} assume !(0 != test_~tmp~0); {8720#true} is VALID [2020-07-28 18:58:49,066 INFO L280 TraceCheckUtils]: 10: Hoare triple {8720#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {8720#true} is VALID [2020-07-28 18:58:49,067 INFO L280 TraceCheckUtils]: 11: Hoare triple {8720#true} assume 0 != test_~tmp___0~0; {8720#true} is VALID [2020-07-28 18:58:49,068 INFO L280 TraceCheckUtils]: 12: Hoare triple {8720#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {8720#true} is VALID [2020-07-28 18:58:49,068 INFO L280 TraceCheckUtils]: 13: Hoare triple {8720#true} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {8720#true} is VALID [2020-07-28 18:58:49,068 INFO L280 TraceCheckUtils]: 14: Hoare triple {8720#true} assume 0 != test_~tmp___2~0; {8720#true} is VALID [2020-07-28 18:58:49,068 INFO L280 TraceCheckUtils]: 15: Hoare triple {8720#true} assume !(0 != ~pumpRunning~0); {8720#true} is VALID [2020-07-28 18:58:49,068 INFO L280 TraceCheckUtils]: 16: Hoare triple {8720#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {8720#true} is VALID [2020-07-28 18:58:49,069 INFO L280 TraceCheckUtils]: 17: Hoare triple {8720#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; {8720#true} is VALID [2020-07-28 18:58:49,069 INFO L280 TraceCheckUtils]: 18: Hoare triple {8720#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {8720#true} is VALID [2020-07-28 18:58:49,069 INFO L280 TraceCheckUtils]: 19: Hoare triple {8720#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {8720#true} is VALID [2020-07-28 18:58:49,070 INFO L280 TraceCheckUtils]: 20: Hoare triple {8720#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {8722#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} is VALID [2020-07-28 18:58:49,071 INFO L280 TraceCheckUtils]: 21: Hoare triple {8722#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret25 && isHighWaterLevel_#t~ret25 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; {8723#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~4)} is VALID [2020-07-28 18:58:49,072 INFO L280 TraceCheckUtils]: 22: Hoare triple {8723#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~4)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {8721#false} is VALID [2020-07-28 18:58:49,072 INFO L280 TraceCheckUtils]: 23: Hoare triple {8721#false} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {8721#false} is VALID [2020-07-28 18:58:49,072 INFO L280 TraceCheckUtils]: 24: Hoare triple {8721#false} processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret5 && processEnvironment__wrappee__highWaterSensor_#t~ret5 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; {8721#false} is VALID [2020-07-28 18:58:49,073 INFO L280 TraceCheckUtils]: 25: Hoare triple {8721#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {8721#false} is VALID [2020-07-28 18:58:49,073 INFO L280 TraceCheckUtils]: 26: Hoare triple {8721#false} havoc __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_#t~ret39, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {8721#false} is VALID [2020-07-28 18:58:49,073 INFO L280 TraceCheckUtils]: 27: Hoare triple {8721#false} __utac_acc__Specification1_spec__1_#t~ret38 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret38 && __utac_acc__Specification1_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret38;havoc __utac_acc__Specification1_spec__1_#t~ret38; {8721#false} is VALID [2020-07-28 18:58:49,073 INFO L280 TraceCheckUtils]: 28: Hoare triple {8721#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {8721#false} is VALID [2020-07-28 18:58:49,073 INFO L280 TraceCheckUtils]: 29: Hoare triple {8721#false} __utac_acc__Specification1_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret39 && __utac_acc__Specification1_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret39;havoc __utac_acc__Specification1_spec__1_#t~ret39; {8721#false} is VALID [2020-07-28 18:58:49,074 INFO L280 TraceCheckUtils]: 30: Hoare triple {8721#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {8721#false} is VALID [2020-07-28 18:58:49,074 INFO L280 TraceCheckUtils]: 31: Hoare triple {8721#false} assume !false; {8721#false} is VALID [2020-07-28 18:58:49,075 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 18:58:49,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404545089] [2020-07-28 18:58:49,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:49,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:49,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934552903] [2020-07-28 18:58:49,081 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-07-28 18:58:49,081 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:49,082 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 18:58:49,120 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:49,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 18:58:49,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:49,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 18:58:49,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 18:58:49,121 INFO L87 Difference]: Start difference. First operand 202 states and 276 transitions. Second operand 4 states. [2020-07-28 18:58:50,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:50,454 INFO L93 Difference]: Finished difference Result 506 states and 686 transitions. [2020-07-28 18:58:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 18:58:50,454 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-07-28 18:58:50,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:50,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:58:50,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 217 transitions. [2020-07-28 18:58:50,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:58:50,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 217 transitions. [2020-07-28 18:58:50,461 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 217 transitions. [2020-07-28 18:58:50,696 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 217 edges. 217 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:50,704 INFO L225 Difference]: With dead ends: 506 [2020-07-28 18:58:50,705 INFO L226 Difference]: Without dead ends: 310 [2020-07-28 18:58:50,706 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 18:58:50,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-07-28 18:58:51,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 214. [2020-07-28 18:58:51,140 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:51,141 INFO L82 GeneralOperation]: Start isEquivalent. First operand 310 states. Second operand 214 states. [2020-07-28 18:58:51,141 INFO L74 IsIncluded]: Start isIncluded. First operand 310 states. Second operand 214 states. [2020-07-28 18:58:51,141 INFO L87 Difference]: Start difference. First operand 310 states. Second operand 214 states. [2020-07-28 18:58:51,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:51,151 INFO L93 Difference]: Finished difference Result 310 states and 410 transitions. [2020-07-28 18:58:51,151 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 410 transitions. [2020-07-28 18:58:51,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:51,152 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:51,153 INFO L74 IsIncluded]: Start isIncluded. First operand 214 states. Second operand 310 states. [2020-07-28 18:58:51,153 INFO L87 Difference]: Start difference. First operand 214 states. Second operand 310 states. [2020-07-28 18:58:51,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:51,162 INFO L93 Difference]: Finished difference Result 310 states and 410 transitions. [2020-07-28 18:58:51,162 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 410 transitions. [2020-07-28 18:58:51,163 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:51,164 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:51,164 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:51,164 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:51,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-07-28 18:58:51,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 288 transitions. [2020-07-28 18:58:51,171 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 288 transitions. Word has length 32 [2020-07-28 18:58:51,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:51,171 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 288 transitions. [2020-07-28 18:58:51,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 18:58:51,171 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 288 transitions. [2020-07-28 18:58:51,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-28 18:58:51,172 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:51,172 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 18:58:51,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 18:58:51,173 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:51,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:51,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1684551242, now seen corresponding path program 1 times [2020-07-28 18:58:51,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:51,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387950183] [2020-07-28 18:58:51,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:51,227 INFO L280 TraceCheckUtils]: 0: Hoare triple {10344#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,229 INFO L280 TraceCheckUtils]: 1: Hoare triple {10346#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~10, main_~tmp~6;havoc main_~retValue_acc~10;havoc main_~tmp~6; {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,229 INFO L280 TraceCheckUtils]: 2: Hoare triple {10346#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,230 INFO L280 TraceCheckUtils]: 3: Hoare triple {10346#(= 1 ~waterLevel~0)} main_#t~ret37 := valid_product_#res;assume -2147483648 <= main_#t~ret37 && main_#t~ret37 <= 2147483647;main_~tmp~6 := main_#t~ret37;havoc main_#t~ret37; {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,230 INFO L280 TraceCheckUtils]: 4: Hoare triple {10346#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~6; {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,231 INFO L280 TraceCheckUtils]: 5: Hoare triple {10346#(= 1 ~waterLevel~0)} havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,232 INFO L280 TraceCheckUtils]: 6: Hoare triple {10346#(= 1 ~waterLevel~0)} assume !false; {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,232 INFO L280 TraceCheckUtils]: 7: Hoare triple {10346#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,234 INFO L280 TraceCheckUtils]: 8: Hoare triple {10346#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,234 INFO L280 TraceCheckUtils]: 9: Hoare triple {10346#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~0); {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,243 INFO L280 TraceCheckUtils]: 10: Hoare triple {10346#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,244 INFO L280 TraceCheckUtils]: 11: Hoare triple {10346#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___0~0; {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,248 INFO L280 TraceCheckUtils]: 12: Hoare triple {10346#(= 1 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,253 INFO L280 TraceCheckUtils]: 13: Hoare triple {10346#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet3 && test_#t~nondet3 <= 2147483647;test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,254 INFO L280 TraceCheckUtils]: 14: Hoare triple {10346#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,255 INFO L280 TraceCheckUtils]: 15: Hoare triple {10346#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,256 INFO L280 TraceCheckUtils]: 16: Hoare triple {10346#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,256 INFO L280 TraceCheckUtils]: 17: Hoare triple {10346#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,257 INFO L280 TraceCheckUtils]: 18: Hoare triple {10346#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,257 INFO L280 TraceCheckUtils]: 19: Hoare triple {10346#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {10346#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:51,258 INFO L280 TraceCheckUtils]: 20: Hoare triple {10346#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {10345#false} is VALID [2020-07-28 18:58:51,258 INFO L280 TraceCheckUtils]: 21: Hoare triple {10345#false} isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret25 && isHighWaterLevel_#t~ret25 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; {10345#false} is VALID [2020-07-28 18:58:51,258 INFO L280 TraceCheckUtils]: 22: Hoare triple {10345#false} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {10345#false} is VALID [2020-07-28 18:58:51,259 INFO L280 TraceCheckUtils]: 23: Hoare triple {10345#false} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {10345#false} is VALID [2020-07-28 18:58:51,259 INFO L280 TraceCheckUtils]: 24: Hoare triple {10345#false} processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret5 && processEnvironment__wrappee__highWaterSensor_#t~ret5 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; {10345#false} is VALID [2020-07-28 18:58:51,259 INFO L280 TraceCheckUtils]: 25: Hoare triple {10345#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~1;~pumpRunning~0 := 1; {10345#false} is VALID [2020-07-28 18:58:51,259 INFO L280 TraceCheckUtils]: 26: Hoare triple {10345#false} havoc __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_#t~ret39, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {10345#false} is VALID [2020-07-28 18:58:51,259 INFO L280 TraceCheckUtils]: 27: Hoare triple {10345#false} __utac_acc__Specification1_spec__1_#t~ret38 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret38 && __utac_acc__Specification1_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret38;havoc __utac_acc__Specification1_spec__1_#t~ret38; {10345#false} is VALID [2020-07-28 18:58:51,260 INFO L280 TraceCheckUtils]: 28: Hoare triple {10345#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {10345#false} is VALID [2020-07-28 18:58:51,260 INFO L280 TraceCheckUtils]: 29: Hoare triple {10345#false} __utac_acc__Specification1_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret39 && __utac_acc__Specification1_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~3 := __utac_acc__Specification1_spec__1_#t~ret39;havoc __utac_acc__Specification1_spec__1_#t~ret39; {10345#false} is VALID [2020-07-28 18:58:51,260 INFO L280 TraceCheckUtils]: 30: Hoare triple {10345#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~3; {10345#false} is VALID [2020-07-28 18:58:51,260 INFO L280 TraceCheckUtils]: 31: Hoare triple {10345#false} assume !false; {10345#false} is VALID [2020-07-28 18:58:51,261 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 18:58:51,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387950183] [2020-07-28 18:58:51,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:51,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:51,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796167661] [2020-07-28 18:58:51,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-07-28 18:58:51,262 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:51,263 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:51,304 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:51,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:51,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:51,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:51,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:51,306 INFO L87 Difference]: Start difference. First operand 214 states and 288 transitions. Second operand 3 states. [2020-07-28 18:58:52,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:52,221 INFO L93 Difference]: Finished difference Result 512 states and 688 transitions. [2020-07-28 18:58:52,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:52,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-07-28 18:58:52,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:52,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:52,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 206 transitions. [2020-07-28 18:58:52,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 206 transitions. [2020-07-28 18:58:52,225 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 206 transitions. [2020-07-28 18:58:52,442 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 206 edges. 206 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:52,452 INFO L225 Difference]: With dead ends: 512 [2020-07-28 18:58:52,452 INFO L226 Difference]: Without dead ends: 304 [2020-07-28 18:58:52,453 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 18:58:52,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-07-28 18:58:53,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2020-07-28 18:58:53,132 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:53,132 INFO L82 GeneralOperation]: Start isEquivalent. First operand 304 states. Second operand 304 states. [2020-07-28 18:58:53,132 INFO L74 IsIncluded]: Start isIncluded. First operand 304 states. Second operand 304 states. [2020-07-28 18:58:53,132 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 304 states. [2020-07-28 18:58:53,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:53,141 INFO L93 Difference]: Finished difference Result 304 states and 400 transitions. [2020-07-28 18:58:53,141 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 400 transitions. [2020-07-28 18:58:53,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:53,142 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:53,142 INFO L74 IsIncluded]: Start isIncluded. First operand 304 states. Second operand 304 states. [2020-07-28 18:58:53,142 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 304 states. [2020-07-28 18:58:53,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:53,151 INFO L93 Difference]: Finished difference Result 304 states and 400 transitions. [2020-07-28 18:58:53,151 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 400 transitions. [2020-07-28 18:58:53,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:53,152 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:53,152 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:53,152 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:53,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-07-28 18:58:53,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 400 transitions. [2020-07-28 18:58:53,162 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 400 transitions. Word has length 32 [2020-07-28 18:58:53,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:53,163 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 400 transitions. [2020-07-28 18:58:53,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:53,163 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 400 transitions. [2020-07-28 18:58:53,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 18:58:53,164 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:53,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:53,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 18:58:53,165 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:53,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:53,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1539369524, now seen corresponding path program 1 times [2020-07-28 18:58:53,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:53,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612440925] [2020-07-28 18:58:53,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:53,214 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 18:58:53,261 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 18:58:53,313 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 18:58:53,313 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 18:58:53,313 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 18:58:53,522 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:58:53,522 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:58:53,522 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 18:58:53,522 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 18:58:53,523 WARN L170 areAnnotationChecker]: L593 has no Hoare annotation [2020-07-28 18:58:53,523 WARN L170 areAnnotationChecker]: L593 has no Hoare annotation [2020-07-28 18:58:53,524 WARN L170 areAnnotationChecker]: L570 has no Hoare annotation [2020-07-28 18:58:53,524 WARN L170 areAnnotationChecker]: L593-1 has no Hoare annotation [2020-07-28 18:58:53,524 WARN L170 areAnnotationChecker]: L615-1 has no Hoare annotation [2020-07-28 18:58:53,524 WARN L170 areAnnotationChecker]: L615-1 has no Hoare annotation [2020-07-28 18:58:53,524 WARN L170 areAnnotationChecker]: L615-1 has no Hoare annotation [2020-07-28 18:58:53,525 WARN L170 areAnnotationChecker]: L602 has no Hoare annotation [2020-07-28 18:58:53,525 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-28 18:58:53,525 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-28 18:58:53,525 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-28 18:58:53,525 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:58:53,525 WARN L170 areAnnotationChecker]: L167-1 has no Hoare annotation [2020-07-28 18:58:53,526 WARN L170 areAnnotationChecker]: L167-1 has no Hoare annotation [2020-07-28 18:58:53,526 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-28 18:58:53,526 WARN L170 areAnnotationChecker]: L405-3 has no Hoare annotation [2020-07-28 18:58:53,526 WARN L170 areAnnotationChecker]: L405-3 has no Hoare annotation [2020-07-28 18:58:53,526 WARN L170 areAnnotationChecker]: L167-2 has no Hoare annotation [2020-07-28 18:58:53,526 WARN L170 areAnnotationChecker]: L167-2 has no Hoare annotation [2020-07-28 18:58:53,527 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 18:58:53,527 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-28 18:58:53,527 WARN L170 areAnnotationChecker]: L251-1 has no Hoare annotation [2020-07-28 18:58:53,527 WARN L170 areAnnotationChecker]: L251-1 has no Hoare annotation [2020-07-28 18:58:53,527 WARN L170 areAnnotationChecker]: L174-1 has no Hoare annotation [2020-07-28 18:58:53,527 WARN L170 areAnnotationChecker]: L417 has no Hoare annotation [2020-07-28 18:58:53,528 WARN L170 areAnnotationChecker]: L417 has no Hoare annotation [2020-07-28 18:58:53,528 WARN L170 areAnnotationChecker]: L103-1 has no Hoare annotation [2020-07-28 18:58:53,528 WARN L170 areAnnotationChecker]: L442-2 has no Hoare annotation [2020-07-28 18:58:53,528 WARN L170 areAnnotationChecker]: L225-3 has no Hoare annotation [2020-07-28 18:58:53,528 WARN L170 areAnnotationChecker]: L225-3 has no Hoare annotation [2020-07-28 18:58:53,528 WARN L170 areAnnotationChecker]: L442-3 has no Hoare annotation [2020-07-28 18:58:53,529 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 18:58:53,529 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-28 18:58:53,529 WARN L170 areAnnotationChecker]: L295-1 has no Hoare annotation [2020-07-28 18:58:53,529 WARN L170 areAnnotationChecker]: L497-3 has no Hoare annotation [2020-07-28 18:58:53,529 WARN L170 areAnnotationChecker]: L199-7 has no Hoare annotation [2020-07-28 18:58:53,529 WARN L170 areAnnotationChecker]: L199-7 has no Hoare annotation [2020-07-28 18:58:53,530 WARN L170 areAnnotationChecker]: L615-2 has no Hoare annotation [2020-07-28 18:58:53,530 WARN L170 areAnnotationChecker]: L615-2 has no Hoare annotation [2020-07-28 18:58:53,530 WARN L170 areAnnotationChecker]: L429 has no Hoare annotation [2020-07-28 18:58:53,530 WARN L170 areAnnotationChecker]: L429 has no Hoare annotation [2020-07-28 18:58:53,530 WARN L170 areAnnotationChecker]: L113-1 has no Hoare annotation [2020-07-28 18:58:53,530 WARN L170 areAnnotationChecker]: L255-1 has no Hoare annotation [2020-07-28 18:58:53,531 WARN L170 areAnnotationChecker]: L255-1 has no Hoare annotation [2020-07-28 18:58:53,531 WARN L170 areAnnotationChecker]: L372-9 has no Hoare annotation [2020-07-28 18:58:53,531 WARN L170 areAnnotationChecker]: L372-9 has no Hoare annotation [2020-07-28 18:58:53,531 WARN L170 areAnnotationChecker]: L482-7 has no Hoare annotation [2020-07-28 18:58:53,531 WARN L170 areAnnotationChecker]: L482-7 has no Hoare annotation [2020-07-28 18:58:53,531 WARN L170 areAnnotationChecker]: L304-1 has no Hoare annotation [2020-07-28 18:58:53,532 WARN L170 areAnnotationChecker]: L615-3 has no Hoare annotation [2020-07-28 18:58:53,532 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-28 18:58:53,532 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-28 18:58:53,532 WARN L170 areAnnotationChecker]: L225-2 has no Hoare annotation [2020-07-28 18:58:53,532 WARN L170 areAnnotationChecker]: L225-2 has no Hoare annotation [2020-07-28 18:58:53,532 WARN L170 areAnnotationChecker]: L372-11 has no Hoare annotation [2020-07-28 18:58:53,533 WARN L170 areAnnotationChecker]: L487-7 has no Hoare annotation [2020-07-28 18:58:53,533 WARN L170 areAnnotationChecker]: L619-2 has no Hoare annotation [2020-07-28 18:58:53,533 WARN L170 areAnnotationChecker]: L619-2 has no Hoare annotation [2020-07-28 18:58:53,533 WARN L170 areAnnotationChecker]: L522-2 has no Hoare annotation [2020-07-28 18:58:53,533 WARN L170 areAnnotationChecker]: L522-2 has no Hoare annotation [2020-07-28 18:58:53,533 WARN L170 areAnnotationChecker]: L522-2 has no Hoare annotation [2020-07-28 18:58:53,534 WARN L170 areAnnotationChecker]: L129-1 has no Hoare annotation [2020-07-28 18:58:53,534 WARN L170 areAnnotationChecker]: L129-1 has no Hoare annotation [2020-07-28 18:58:53,534 WARN L170 areAnnotationChecker]: L129 has no Hoare annotation [2020-07-28 18:58:53,534 WARN L170 areAnnotationChecker]: L129 has no Hoare annotation [2020-07-28 18:58:53,534 WARN L170 areAnnotationChecker]: L497-2 has no Hoare annotation [2020-07-28 18:58:53,534 WARN L170 areAnnotationChecker]: L199-5 has no Hoare annotation [2020-07-28 18:58:53,535 WARN L170 areAnnotationChecker]: L199-5 has no Hoare annotation [2020-07-28 18:58:53,535 WARN L170 areAnnotationChecker]: L378-3 has no Hoare annotation [2020-07-28 18:58:53,535 WARN L170 areAnnotationChecker]: L353-21 has no Hoare annotation [2020-07-28 18:58:53,535 WARN L170 areAnnotationChecker]: L353-21 has no Hoare annotation [2020-07-28 18:58:53,535 WARN L170 areAnnotationChecker]: L506-1 has no Hoare annotation [2020-07-28 18:58:53,536 WARN L170 areAnnotationChecker]: L506-1 has no Hoare annotation [2020-07-28 18:58:53,536 WARN L170 areAnnotationChecker]: L523 has no Hoare annotation [2020-07-28 18:58:53,536 WARN L170 areAnnotationChecker]: L405 has no Hoare annotation [2020-07-28 18:58:53,536 WARN L170 areAnnotationChecker]: L405 has no Hoare annotation [2020-07-28 18:58:53,536 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 18:58:53,536 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 18:58:53,537 WARN L170 areAnnotationChecker]: L386 has no Hoare annotation [2020-07-28 18:58:53,537 WARN L170 areAnnotationChecker]: L386 has no Hoare annotation [2020-07-28 18:58:53,537 WARN L170 areAnnotationChecker]: L372-6 has no Hoare annotation [2020-07-28 18:58:53,537 WARN L170 areAnnotationChecker]: L372-6 has no Hoare annotation [2020-07-28 18:58:53,537 WARN L170 areAnnotationChecker]: L482-5 has no Hoare annotation [2020-07-28 18:58:53,537 WARN L170 areAnnotationChecker]: L482-5 has no Hoare annotation [2020-07-28 18:58:53,538 WARN L170 areAnnotationChecker]: L229-3 has no Hoare annotation [2020-07-28 18:58:53,538 WARN L170 areAnnotationChecker]: L229-3 has no Hoare annotation [2020-07-28 18:58:53,538 WARN L170 areAnnotationChecker]: L353-23 has no Hoare annotation [2020-07-28 18:58:53,538 WARN L170 areAnnotationChecker]: L526 has no Hoare annotation [2020-07-28 18:58:53,538 WARN L170 areAnnotationChecker]: L526 has no Hoare annotation [2020-07-28 18:58:53,538 WARN L170 areAnnotationChecker]: L251 has no Hoare annotation [2020-07-28 18:58:53,539 WARN L170 areAnnotationChecker]: L251 has no Hoare annotation [2020-07-28 18:58:53,539 WARN L170 areAnnotationChecker]: L174 has no Hoare annotation [2020-07-28 18:58:53,539 WARN L170 areAnnotationChecker]: L386-1 has no Hoare annotation [2020-07-28 18:58:53,539 WARN L170 areAnnotationChecker]: L372-8 has no Hoare annotation [2020-07-28 18:58:53,539 WARN L170 areAnnotationChecker]: L487-5 has no Hoare annotation [2020-07-28 18:58:53,539 WARN L170 areAnnotationChecker]: L199-6 has no Hoare annotation [2020-07-28 18:58:53,540 WARN L170 areAnnotationChecker]: L199-6 has no Hoare annotation [2020-07-28 18:58:53,540 WARN L170 areAnnotationChecker]: L359-7 has no Hoare annotation [2020-07-28 18:58:53,540 WARN L170 areAnnotationChecker]: L526-1 has no Hoare annotation [2020-07-28 18:58:53,540 WARN L170 areAnnotationChecker]: L526-1 has no Hoare annotation [2020-07-28 18:58:53,540 WARN L170 areAnnotationChecker]: L442 has no Hoare annotation [2020-07-28 18:58:53,540 WARN L170 areAnnotationChecker]: L225-1 has no Hoare annotation [2020-07-28 18:58:53,541 WARN L170 areAnnotationChecker]: L225-1 has no Hoare annotation [2020-07-28 18:58:53,541 WARN L170 areAnnotationChecker]: L442-1 has no Hoare annotation [2020-07-28 18:58:53,541 WARN L170 areAnnotationChecker]: L378-2 has no Hoare annotation [2020-07-28 18:58:53,541 WARN L170 areAnnotationChecker]: L353-15 has no Hoare annotation [2020-07-28 18:58:53,541 WARN L170 areAnnotationChecker]: L353-15 has no Hoare annotation [2020-07-28 18:58:53,541 WARN L170 areAnnotationChecker]: L482-6 has no Hoare annotation [2020-07-28 18:58:53,542 WARN L170 areAnnotationChecker]: L482-6 has no Hoare annotation [2020-07-28 18:58:53,542 WARN L170 areAnnotationChecker]: L203-7 has no Hoare annotation [2020-07-28 18:58:53,542 WARN L170 areAnnotationChecker]: L203-7 has no Hoare annotation [2020-07-28 18:58:53,542 WARN L170 areAnnotationChecker]: L405-6 has no Hoare annotation [2020-07-28 18:58:53,542 WARN L170 areAnnotationChecker]: L405-6 has no Hoare annotation [2020-07-28 18:58:53,542 WARN L170 areAnnotationChecker]: L167-3 has no Hoare annotation [2020-07-28 18:58:53,543 WARN L170 areAnnotationChecker]: L167-3 has no Hoare annotation [2020-07-28 18:58:53,543 WARN L170 areAnnotationChecker]: L295 has no Hoare annotation [2020-07-28 18:58:53,543 WARN L170 areAnnotationChecker]: L497-1 has no Hoare annotation [2020-07-28 18:58:53,543 WARN L170 areAnnotationChecker]: L199-3 has no Hoare annotation [2020-07-28 18:58:53,543 WARN L170 areAnnotationChecker]: L199-3 has no Hoare annotation [2020-07-28 18:58:53,543 WARN L170 areAnnotationChecker]: L615 has no Hoare annotation [2020-07-28 18:58:53,544 WARN L170 areAnnotationChecker]: L615 has no Hoare annotation [2020-07-28 18:58:53,544 WARN L170 areAnnotationChecker]: L229-2 has no Hoare annotation [2020-07-28 18:58:53,544 WARN L170 areAnnotationChecker]: L229-2 has no Hoare annotation [2020-07-28 18:58:53,544 WARN L170 areAnnotationChecker]: L353-17 has no Hoare annotation [2020-07-28 18:58:53,544 WARN L170 areAnnotationChecker]: L487-6 has no Hoare annotation [2020-07-28 18:58:53,544 WARN L170 areAnnotationChecker]: L251-2 has no Hoare annotation [2020-07-28 18:58:53,545 WARN L170 areAnnotationChecker]: L251-2 has no Hoare annotation [2020-07-28 18:58:53,545 WARN L170 areAnnotationChecker]: L174-2 has no Hoare annotation [2020-07-28 18:58:53,545 WARN L170 areAnnotationChecker]: L255 has no Hoare annotation [2020-07-28 18:58:53,545 WARN L170 areAnnotationChecker]: L255 has no Hoare annotation [2020-07-28 18:58:53,545 WARN L170 areAnnotationChecker]: L372-3 has no Hoare annotation [2020-07-28 18:58:53,546 WARN L170 areAnnotationChecker]: L372-3 has no Hoare annotation [2020-07-28 18:58:53,546 WARN L170 areAnnotationChecker]: L482-3 has no Hoare annotation [2020-07-28 18:58:53,546 WARN L170 areAnnotationChecker]: L482-3 has no Hoare annotation [2020-07-28 18:58:53,546 WARN L170 areAnnotationChecker]: L304 has no Hoare annotation [2020-07-28 18:58:53,546 WARN L170 areAnnotationChecker]: L199-4 has no Hoare annotation [2020-07-28 18:58:53,546 WARN L170 areAnnotationChecker]: L199-4 has no Hoare annotation [2020-07-28 18:58:53,546 WARN L170 areAnnotationChecker]: L359-5 has no Hoare annotation [2020-07-28 18:58:53,547 WARN L170 areAnnotationChecker]: L353-18 has no Hoare annotation [2020-07-28 18:58:53,547 WARN L170 areAnnotationChecker]: L353-18 has no Hoare annotation [2020-07-28 18:58:53,547 WARN L170 areAnnotationChecker]: L442-4 has no Hoare annotation [2020-07-28 18:58:53,547 WARN L170 areAnnotationChecker]: L225-5 has no Hoare annotation [2020-07-28 18:58:53,547 WARN L170 areAnnotationChecker]: L225-5 has no Hoare annotation [2020-07-28 18:58:53,547 WARN L170 areAnnotationChecker]: L442-5 has no Hoare annotation [2020-07-28 18:58:53,548 WARN L170 areAnnotationChecker]: L225 has no Hoare annotation [2020-07-28 18:58:53,548 WARN L170 areAnnotationChecker]: L225 has no Hoare annotation [2020-07-28 18:58:53,548 WARN L170 areAnnotationChecker]: L372-5 has no Hoare annotation [2020-07-28 18:58:53,548 WARN L170 areAnnotationChecker]: L487-3 has no Hoare annotation [2020-07-28 18:58:53,548 WARN L170 areAnnotationChecker]: L619 has no Hoare annotation [2020-07-28 18:58:53,548 WARN L170 areAnnotationChecker]: L619 has no Hoare annotation [2020-07-28 18:58:53,549 WARN L170 areAnnotationChecker]: L482-4 has no Hoare annotation [2020-07-28 18:58:53,549 WARN L170 areAnnotationChecker]: L482-4 has no Hoare annotation [2020-07-28 18:58:53,549 WARN L170 areAnnotationChecker]: L203-5 has no Hoare annotation [2020-07-28 18:58:53,549 WARN L170 areAnnotationChecker]: L203-5 has no Hoare annotation [2020-07-28 18:58:53,549 WARN L170 areAnnotationChecker]: L353-20 has no Hoare annotation [2020-07-28 18:58:53,549 WARN L170 areAnnotationChecker]: L295-2 has no Hoare annotation [2020-07-28 18:58:53,550 WARN L170 areAnnotationChecker]: L497-5 has no Hoare annotation [2020-07-28 18:58:53,550 WARN L170 areAnnotationChecker]: L199-11 has no Hoare annotation [2020-07-28 18:58:53,550 WARN L170 areAnnotationChecker]: L199-11 has no Hoare annotation [2020-07-28 18:58:53,550 WARN L170 areAnnotationChecker]: L615-4 has no Hoare annotation [2020-07-28 18:58:53,550 WARN L170 areAnnotationChecker]: L615-4 has no Hoare annotation [2020-07-28 18:58:53,551 WARN L170 areAnnotationChecker]: L497 has no Hoare annotation [2020-07-28 18:58:53,551 WARN L170 areAnnotationChecker]: L199-1 has no Hoare annotation [2020-07-28 18:58:53,551 WARN L170 areAnnotationChecker]: L199-1 has no Hoare annotation [2020-07-28 18:58:53,551 WARN L170 areAnnotationChecker]: L378-1 has no Hoare annotation [2020-07-28 18:58:53,551 WARN L170 areAnnotationChecker]: L353-9 has no Hoare annotation [2020-07-28 18:58:53,551 WARN L170 areAnnotationChecker]: L353-9 has no Hoare annotation [2020-07-28 18:58:53,552 WARN L170 areAnnotationChecker]: L506 has no Hoare annotation [2020-07-28 18:58:53,552 WARN L170 areAnnotationChecker]: L506 has no Hoare annotation [2020-07-28 18:58:53,552 WARN L170 areAnnotationChecker]: L487-4 has no Hoare annotation [2020-07-28 18:58:53,552 WARN L170 areAnnotationChecker]: L359-6 has no Hoare annotation [2020-07-28 18:58:53,552 WARN L170 areAnnotationChecker]: L255-2 has no Hoare annotation [2020-07-28 18:58:53,553 WARN L170 areAnnotationChecker]: L255-2 has no Hoare annotation [2020-07-28 18:58:53,553 WARN L170 areAnnotationChecker]: L372-15 has no Hoare annotation [2020-07-28 18:58:53,553 WARN L170 areAnnotationChecker]: L372-15 has no Hoare annotation [2020-07-28 18:58:53,553 WARN L170 areAnnotationChecker]: L482-11 has no Hoare annotation [2020-07-28 18:58:53,553 WARN L170 areAnnotationChecker]: L482-11 has no Hoare annotation [2020-07-28 18:58:53,554 WARN L170 areAnnotationChecker]: L304-2 has no Hoare annotation [2020-07-28 18:58:53,554 WARN L170 areAnnotationChecker]: L615-5 has no Hoare annotation [2020-07-28 18:58:53,554 WARN L170 areAnnotationChecker]: L372 has no Hoare annotation [2020-07-28 18:58:53,554 WARN L170 areAnnotationChecker]: L372 has no Hoare annotation [2020-07-28 18:58:53,554 WARN L170 areAnnotationChecker]: L482-1 has no Hoare annotation [2020-07-28 18:58:53,554 WARN L170 areAnnotationChecker]: L482-1 has no Hoare annotation [2020-07-28 18:58:53,555 WARN L170 areAnnotationChecker]: L229-1 has no Hoare annotation [2020-07-28 18:58:53,555 WARN L170 areAnnotationChecker]: L229-1 has no Hoare annotation [2020-07-28 18:58:53,555 WARN L170 areAnnotationChecker]: L353-11 has no Hoare annotation [2020-07-28 18:58:53,555 WARN L170 areAnnotationChecker]: L353-12 has no Hoare annotation [2020-07-28 18:58:53,555 WARN L170 areAnnotationChecker]: L353-12 has no Hoare annotation [2020-07-28 18:58:53,556 WARN L170 areAnnotationChecker]: L203-6 has no Hoare annotation [2020-07-28 18:58:53,556 WARN L170 areAnnotationChecker]: L203-6 has no Hoare annotation [2020-07-28 18:58:53,556 WARN L170 areAnnotationChecker]: L225-4 has no Hoare annotation [2020-07-28 18:58:53,556 WARN L170 areAnnotationChecker]: L225-4 has no Hoare annotation [2020-07-28 18:58:53,556 WARN L170 areAnnotationChecker]: L372-17 has no Hoare annotation [2020-07-28 18:58:53,557 WARN L170 areAnnotationChecker]: L487-11 has no Hoare annotation [2020-07-28 18:58:53,557 WARN L170 areAnnotationChecker]: L619-4 has no Hoare annotation [2020-07-28 18:58:53,557 WARN L170 areAnnotationChecker]: L619-4 has no Hoare annotation [2020-07-28 18:58:53,557 WARN L170 areAnnotationChecker]: L372-2 has no Hoare annotation [2020-07-28 18:58:53,557 WARN L170 areAnnotationChecker]: L487-1 has no Hoare annotation [2020-07-28 18:58:53,557 WARN L170 areAnnotationChecker]: L199-2 has no Hoare annotation [2020-07-28 18:58:53,558 WARN L170 areAnnotationChecker]: L199-2 has no Hoare annotation [2020-07-28 18:58:53,558 WARN L170 areAnnotationChecker]: L359-3 has no Hoare annotation [2020-07-28 18:58:53,558 WARN L170 areAnnotationChecker]: L353-14 has no Hoare annotation [2020-07-28 18:58:53,558 WARN L170 areAnnotationChecker]: L497-4 has no Hoare annotation [2020-07-28 18:58:53,558 WARN L170 areAnnotationChecker]: L199-9 has no Hoare annotation [2020-07-28 18:58:53,558 WARN L170 areAnnotationChecker]: L199-9 has no Hoare annotation [2020-07-28 18:58:53,559 WARN L170 areAnnotationChecker]: L378-5 has no Hoare annotation [2020-07-28 18:58:53,559 WARN L170 areAnnotationChecker]: L353-33 has no Hoare annotation [2020-07-28 18:58:53,559 WARN L170 areAnnotationChecker]: L353-33 has no Hoare annotation [2020-07-28 18:58:53,559 WARN L170 areAnnotationChecker]: L506-2 has no Hoare annotation [2020-07-28 18:58:53,559 WARN L170 areAnnotationChecker]: L506-2 has no Hoare annotation [2020-07-28 18:58:53,559 WARN L170 areAnnotationChecker]: L378 has no Hoare annotation [2020-07-28 18:58:53,560 WARN L170 areAnnotationChecker]: L353-3 has no Hoare annotation [2020-07-28 18:58:53,560 WARN L170 areAnnotationChecker]: L353-3 has no Hoare annotation [2020-07-28 18:58:53,560 WARN L170 areAnnotationChecker]: L482-2 has no Hoare annotation [2020-07-28 18:58:53,560 WARN L170 areAnnotationChecker]: L482-2 has no Hoare annotation [2020-07-28 18:58:53,560 WARN L170 areAnnotationChecker]: L203-3 has no Hoare annotation [2020-07-28 18:58:53,560 WARN L170 areAnnotationChecker]: L203-3 has no Hoare annotation [2020-07-28 18:58:53,561 WARN L170 areAnnotationChecker]: L359-4 has no Hoare annotation [2020-07-28 18:58:53,561 WARN L170 areAnnotationChecker]: L372-12 has no Hoare annotation [2020-07-28 18:58:53,561 WARN L170 areAnnotationChecker]: L372-12 has no Hoare annotation [2020-07-28 18:58:53,561 WARN L170 areAnnotationChecker]: L482-9 has no Hoare annotation [2020-07-28 18:58:53,561 WARN L170 areAnnotationChecker]: L482-9 has no Hoare annotation [2020-07-28 18:58:53,561 WARN L170 areAnnotationChecker]: L229-5 has no Hoare annotation [2020-07-28 18:58:53,562 WARN L170 areAnnotationChecker]: L229-5 has no Hoare annotation [2020-07-28 18:58:53,562 WARN L170 areAnnotationChecker]: L353-35 has no Hoare annotation [2020-07-28 18:58:53,562 WARN L170 areAnnotationChecker]: L229 has no Hoare annotation [2020-07-28 18:58:53,562 WARN L170 areAnnotationChecker]: L229 has no Hoare annotation [2020-07-28 18:58:53,562 WARN L170 areAnnotationChecker]: L353-5 has no Hoare annotation [2020-07-28 18:58:53,562 WARN L170 areAnnotationChecker]: L487-2 has no Hoare annotation [2020-07-28 18:58:53,563 WARN L170 areAnnotationChecker]: L203-4 has no Hoare annotation [2020-07-28 18:58:53,563 WARN L170 areAnnotationChecker]: L203-4 has no Hoare annotation [2020-07-28 18:58:53,563 WARN L170 areAnnotationChecker]: L372-14 has no Hoare annotation [2020-07-28 18:58:53,563 WARN L170 areAnnotationChecker]: L487-9 has no Hoare annotation [2020-07-28 18:58:53,563 WARN L170 areAnnotationChecker]: L199-10 has no Hoare annotation [2020-07-28 18:58:53,563 WARN L170 areAnnotationChecker]: L199-10 has no Hoare annotation [2020-07-28 18:58:53,564 WARN L170 areAnnotationChecker]: L359-11 has no Hoare annotation [2020-07-28 18:58:53,564 WARN L170 areAnnotationChecker]: L199 has no Hoare annotation [2020-07-28 18:58:53,564 WARN L170 areAnnotationChecker]: L199 has no Hoare annotation [2020-07-28 18:58:53,564 WARN L170 areAnnotationChecker]: L359-1 has no Hoare annotation [2020-07-28 18:58:53,564 WARN L170 areAnnotationChecker]: L353-6 has no Hoare annotation [2020-07-28 18:58:53,564 WARN L170 areAnnotationChecker]: L353-6 has no Hoare annotation [2020-07-28 18:58:53,565 WARN L170 areAnnotationChecker]: L378-4 has no Hoare annotation [2020-07-28 18:58:53,565 WARN L170 areAnnotationChecker]: L353-27 has no Hoare annotation [2020-07-28 18:58:53,565 WARN L170 areAnnotationChecker]: L353-27 has no Hoare annotation [2020-07-28 18:58:53,566 WARN L170 areAnnotationChecker]: L482-10 has no Hoare annotation [2020-07-28 18:58:53,566 WARN L170 areAnnotationChecker]: L482-10 has no Hoare annotation [2020-07-28 18:58:53,566 WARN L170 areAnnotationChecker]: L203-11 has no Hoare annotation [2020-07-28 18:58:53,566 WARN L170 areAnnotationChecker]: L203-11 has no Hoare annotation [2020-07-28 18:58:53,567 WARN L170 areAnnotationChecker]: L482 has no Hoare annotation [2020-07-28 18:58:53,567 WARN L170 areAnnotationChecker]: L482 has no Hoare annotation [2020-07-28 18:58:53,567 WARN L170 areAnnotationChecker]: L203-1 has no Hoare annotation [2020-07-28 18:58:53,568 WARN L170 areAnnotationChecker]: L203-1 has no Hoare annotation [2020-07-28 18:58:53,569 WARN L170 areAnnotationChecker]: L353-8 has no Hoare annotation [2020-07-28 18:58:53,569 WARN L170 areAnnotationChecker]: L229-4 has no Hoare annotation [2020-07-28 18:58:53,569 WARN L170 areAnnotationChecker]: L229-4 has no Hoare annotation [2020-07-28 18:58:53,569 WARN L170 areAnnotationChecker]: L353-29 has no Hoare annotation [2020-07-28 18:58:53,569 WARN L170 areAnnotationChecker]: L487-10 has no Hoare annotation [2020-07-28 18:58:53,570 WARN L170 areAnnotationChecker]: L487 has no Hoare annotation [2020-07-28 18:58:53,570 WARN L170 areAnnotationChecker]: L359-2 has no Hoare annotation [2020-07-28 18:58:53,570 WARN L170 areAnnotationChecker]: L199-8 has no Hoare annotation [2020-07-28 18:58:53,570 WARN L170 areAnnotationChecker]: L199-8 has no Hoare annotation [2020-07-28 18:58:53,570 WARN L170 areAnnotationChecker]: L359-9 has no Hoare annotation [2020-07-28 18:58:53,570 WARN L170 areAnnotationChecker]: L353-30 has no Hoare annotation [2020-07-28 18:58:53,571 WARN L170 areAnnotationChecker]: L353-30 has no Hoare annotation [2020-07-28 18:58:53,571 WARN L170 areAnnotationChecker]: L353 has no Hoare annotation [2020-07-28 18:58:53,571 WARN L170 areAnnotationChecker]: L353 has no Hoare annotation [2020-07-28 18:58:53,571 WARN L170 areAnnotationChecker]: L203-2 has no Hoare annotation [2020-07-28 18:58:53,571 WARN L170 areAnnotationChecker]: L203-2 has no Hoare annotation [2020-07-28 18:58:53,571 WARN L170 areAnnotationChecker]: L482-8 has no Hoare annotation [2020-07-28 18:58:53,572 WARN L170 areAnnotationChecker]: L482-8 has no Hoare annotation [2020-07-28 18:58:53,572 WARN L170 areAnnotationChecker]: L203-9 has no Hoare annotation [2020-07-28 18:58:53,572 WARN L170 areAnnotationChecker]: L203-9 has no Hoare annotation [2020-07-28 18:58:53,572 WARN L170 areAnnotationChecker]: L353-32 has no Hoare annotation [2020-07-28 18:58:53,572 WARN L170 areAnnotationChecker]: L353-2 has no Hoare annotation [2020-07-28 18:58:53,572 WARN L170 areAnnotationChecker]: L487-8 has no Hoare annotation [2020-07-28 18:58:53,573 WARN L170 areAnnotationChecker]: L359-10 has no Hoare annotation [2020-07-28 18:58:53,573 WARN L170 areAnnotationChecker]: L359 has no Hoare annotation [2020-07-28 18:58:53,573 WARN L170 areAnnotationChecker]: L353-24 has no Hoare annotation [2020-07-28 18:58:53,573 WARN L170 areAnnotationChecker]: L353-24 has no Hoare annotation [2020-07-28 18:58:53,573 WARN L170 areAnnotationChecker]: L203-10 has no Hoare annotation [2020-07-28 18:58:53,573 WARN L170 areAnnotationChecker]: L203-10 has no Hoare annotation [2020-07-28 18:58:53,573 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2020-07-28 18:58:53,574 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2020-07-28 18:58:53,574 WARN L170 areAnnotationChecker]: L353-26 has no Hoare annotation [2020-07-28 18:58:53,574 WARN L170 areAnnotationChecker]: L359-8 has no Hoare annotation [2020-07-28 18:58:53,574 WARN L170 areAnnotationChecker]: L203-8 has no Hoare annotation [2020-07-28 18:58:53,574 WARN L170 areAnnotationChecker]: L203-8 has no Hoare annotation [2020-07-28 18:58:53,575 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 18:58:53,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:58:53 BoogieIcfgContainer [2020-07-28 18:58:53,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:58:53,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:58:53,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:58:53,582 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:58:53,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:36" (3/4) ... [2020-07-28 18:58:53,586 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 18:58:53,777 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:58:53,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:58:53,781 INFO L168 Benchmark]: Toolchain (without parser) took 20708.73 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 507.0 MB). Free memory was 954.9 MB in the beginning and 1.4 GB in the end (delta: -405.3 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:53,782 INFO L168 Benchmark]: CDTParser took 0.86 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 18:58:53,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:53,783 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.39 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 18:58:53,783 INFO L168 Benchmark]: Boogie Preprocessor took 77.80 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 18:58:53,784 INFO L168 Benchmark]: RCFGBuilder took 2094.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 880.0 MB in the end (delta: 231.4 MB). Peak memory consumption was 231.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:53,785 INFO L168 Benchmark]: TraceAbstraction took 17543.90 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 363.3 MB). Free memory was 880.0 MB in the beginning and 1.4 GB in the end (delta: -506.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:53,785 INFO L168 Benchmark]: Witness Printer took 195.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:53,788 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 0.86 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 677.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.39 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 77.80 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 2094.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 880.0 MB in the end (delta: 231.4 MB). Peak memory consumption was 231.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17543.90 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 363.3 MB). Free memory was 880.0 MB in the beginning and 1.4 GB in the end (delta: -506.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 195.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 506]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L159] int pumpRunning = 0; [L160] int systemActive = 1; [L399] int waterLevel = 1; [L400] int methaneLevelCritical = 0; [L511] int cleanupTimeShifts = 4; [L802] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L584] int retValue_acc ; [L585] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L591] tmp = valid_product() [L593] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L84] int splverifierCounter ; [L85] int tmp ; [L86] int tmp___0 ; [L87] int tmp___1 ; [L88] int tmp___2 ; [L91] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L93] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L95] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L101] tmp = __VERIFIER_nondet_int() [L103] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L417] COND TRUE waterLevel < 2 [L418] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L111] tmp___0 = __VERIFIER_nondet_int() [L113] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L429] COND FALSE !(\read(methaneLevelCritical)) [L432] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L121] tmp___2 = __VERIFIER_nondet_int() [L123] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L167] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L174] COND TRUE \read(systemActive) [L248] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L251] COND FALSE !(\read(pumpRunning)) [L222] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L225] COND FALSE !(\read(pumpRunning)) [L196] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L199] COND TRUE ! pumpRunning [L345] int retValue_acc ; [L346] int tmp ; [L347] int tmp___0 ; [L479] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L482] COND FALSE !(waterLevel < 2) [L486] retValue_acc = 0 [L487] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L351] tmp = isHighWaterSensorDry() [L353] COND FALSE !(\read(tmp)) [L356] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L358] retValue_acc = tmp___0 [L359] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L201] tmp = isHighWaterLevel() [L203] COND TRUE \read(tmp) [L276] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L608] int tmp ; [L609] int tmp___0 ; [L438] int retValue_acc ; [L441] retValue_acc = methaneLevelCritical [L442] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L613] tmp = isMethaneLevelCritical() [L615] COND TRUE \read(tmp) [L300] int retValue_acc ; [L303] retValue_acc = pumpRunning [L304] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L617] tmp___0 = isPumpRunning() [L619] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L506] __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, 191 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 17.2s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1184 SDtfs, 1578 SDslu, 1690 SDs, 0 SdLazy, 215 SolverSat, 53 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=304occurred 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: 2.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 867 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 11129 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...