./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product10.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 1c01eb0b5d4882b25b2cd231430133c4569ce38c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:01:12,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:12,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:12,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:12,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:12,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:12,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:12,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:12,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:12,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:12,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:12,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:12,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:12,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:12,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:12,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:12,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:12,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:12,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:12,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:12,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:12,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:12,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:12,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:12,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:12,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:12,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:12,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:12,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:12,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:12,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:12,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:12,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:12,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:12,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:12,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:12,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:12,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:12,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:12,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:12,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:12,800 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:12,837 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:12,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:12,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:12,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:12,840 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:12,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:12,841 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:12,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:12,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:12,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:12,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:12,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:12,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:12,842 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:12,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:12,843 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:12,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:12,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:12,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:12,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:12,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:12,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:12,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:12,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:12,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:12,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:12,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:12,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:12,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:12,846 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 -> 1c01eb0b5d4882b25b2cd231430133c4569ce38c [2020-07-28 19:01:13,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:13,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:13,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:13,168 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:13,169 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:13,169 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c [2020-07-28 19:01:13,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee7ee4928/23741fe4963e451db45568b81da4b812/FLAGbf273d3dd [2020-07-28 19:01:13,746 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:13,747 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c [2020-07-28 19:01:13,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee7ee4928/23741fe4963e451db45568b81da4b812/FLAGbf273d3dd [2020-07-28 19:01:14,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee7ee4928/23741fe4963e451db45568b81da4b812 [2020-07-28 19:01:14,057 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:14,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:14,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:14,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:14,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:14,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:14" (1/1) ... [2020-07-28 19:01:14,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62886f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:14, skipping insertion in model container [2020-07-28 19:01:14,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:14" (1/1) ... [2020-07-28 19:01:14,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:14,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:14,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:14,539 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:14,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:14,694 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:14,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:14 WrapperNode [2020-07-28 19:01:14,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:14,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:14,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:14,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:14,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:14" (1/1) ... [2020-07-28 19:01:14,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:14" (1/1) ... [2020-07-28 19:01:14,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:14,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:14,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:14,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:14,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:14" (1/1) ... [2020-07-28 19:01:14,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:14" (1/1) ... [2020-07-28 19:01:14,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:14" (1/1) ... [2020-07-28 19:01:14,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:14" (1/1) ... [2020-07-28 19:01:14,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:14" (1/1) ... [2020-07-28 19:01:14,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:14" (1/1) ... [2020-07-28 19:01:14,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:14" (1/1) ... [2020-07-28 19:01:14,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:14,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:14,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:14,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:14,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:14,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:14,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:16,186 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:16,186 INFO L295 CfgBuilder]: Removed 74 assume(true) statements. [2020-07-28 19:01:16,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:16 BoogieIcfgContainer [2020-07-28 19:01:16,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:16,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:16,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:16,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:16,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:14" (1/3) ... [2020-07-28 19:01:16,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660a8304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:16, skipping insertion in model container [2020-07-28 19:01:16,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:14" (2/3) ... [2020-07-28 19:01:16,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660a8304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:16, skipping insertion in model container [2020-07-28 19:01:16,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:16" (3/3) ... [2020-07-28 19:01:16,205 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product10.cil.c [2020-07-28 19:01:16,215 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:16,223 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:16,238 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:16,264 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:16,265 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:16,265 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:16,267 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:16,267 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:16,267 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:16,268 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:16,268 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:16,288 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2020-07-28 19:01:16,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:16,295 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:16,296 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:16,296 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:16,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:16,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1626458267, now seen corresponding path program 1 times [2020-07-28 19:01:16,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:16,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142338847] [2020-07-28 19:01:16,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:16,646 INFO L280 TraceCheckUtils]: 0: Hoare triple {66#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {66#true} is VALID [2020-07-28 19:01:16,647 INFO L280 TraceCheckUtils]: 1: Hoare triple {66#true} havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {66#true} is VALID [2020-07-28 19:01:16,648 INFO L280 TraceCheckUtils]: 2: Hoare triple {66#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; {66#true} is VALID [2020-07-28 19:01:16,648 INFO L280 TraceCheckUtils]: 3: Hoare triple {66#true} main_#t~ret71 := valid_product_#res;assume -2147483648 <= main_#t~ret71 && main_#t~ret71 <= 2147483647;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; {66#true} is VALID [2020-07-28 19:01:16,649 INFO L280 TraceCheckUtils]: 4: Hoare triple {66#true} assume 0 != main_~tmp~6; {66#true} is VALID [2020-07-28 19:01:16,649 INFO L280 TraceCheckUtils]: 5: Hoare triple {66#true} havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {66#true} is VALID [2020-07-28 19:01:16,651 INFO L280 TraceCheckUtils]: 6: Hoare triple {66#true} assume false; {67#false} is VALID [2020-07-28 19:01:16,651 INFO L280 TraceCheckUtils]: 7: Hoare triple {67#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {67#false} is VALID [2020-07-28 19:01:16,652 INFO L280 TraceCheckUtils]: 8: Hoare triple {67#false} assume !(0 != ~pumpRunning~0); {67#false} is VALID [2020-07-28 19:01:16,652 INFO L280 TraceCheckUtils]: 9: Hoare triple {67#false} assume 0 != ~systemActive~0; {67#false} is VALID [2020-07-28 19:01:16,653 INFO L280 TraceCheckUtils]: 10: Hoare triple {67#false} havoc __utac_acc__Specification3_spec__1_#t~ret68, __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {67#false} is VALID [2020-07-28 19:01:16,653 INFO L280 TraceCheckUtils]: 11: Hoare triple {67#false} __utac_acc__Specification3_spec__1_#t~ret68 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret68 && __utac_acc__Specification3_spec__1_#t~ret68 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret68;havoc __utac_acc__Specification3_spec__1_#t~ret68; {67#false} is VALID [2020-07-28 19:01:16,654 INFO L280 TraceCheckUtils]: 12: Hoare triple {67#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~5);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {67#false} is VALID [2020-07-28 19:01:16,654 INFO L280 TraceCheckUtils]: 13: Hoare triple {67#false} __utac_acc__Specification3_spec__1_#t~ret69 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {67#false} is VALID [2020-07-28 19:01:16,654 INFO L280 TraceCheckUtils]: 14: Hoare triple {67#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {67#false} is VALID [2020-07-28 19:01:16,655 INFO L280 TraceCheckUtils]: 15: Hoare triple {67#false} __utac_acc__Specification3_spec__1_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {67#false} is VALID [2020-07-28 19:01:16,655 INFO L280 TraceCheckUtils]: 16: Hoare triple {67#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {67#false} is VALID [2020-07-28 19:01:16,656 INFO L280 TraceCheckUtils]: 17: Hoare triple {67#false} assume !false; {67#false} is VALID [2020-07-28 19:01:16,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:16,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142338847] [2020-07-28 19:01:16,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:16,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:16,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226580248] [2020-07-28 19:01:16,671 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:16,672 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:16,677 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:16,719 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:16,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:16,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:16,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:16,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:16,732 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2020-07-28 19:01:16,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:16,926 INFO L93 Difference]: Finished difference Result 120 states and 179 transitions. [2020-07-28 19:01:16,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:16,927 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:16,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:16,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:16,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 179 transitions. [2020-07-28 19:01:16,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:16,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 179 transitions. [2020-07-28 19:01:16,943 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 179 transitions. [2020-07-28 19:01:17,190 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 179 edges. 179 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:17,204 INFO L225 Difference]: With dead ends: 120 [2020-07-28 19:01:17,204 INFO L226 Difference]: Without dead ends: 59 [2020-07-28 19:01:17,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:17,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-07-28 19:01:17,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-07-28 19:01:17,259 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:17,260 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand 59 states. [2020-07-28 19:01:17,260 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2020-07-28 19:01:17,261 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2020-07-28 19:01:17,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:17,267 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2020-07-28 19:01:17,267 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-07-28 19:01:17,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:17,268 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:17,269 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2020-07-28 19:01:17,269 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2020-07-28 19:01:17,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:17,274 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2020-07-28 19:01:17,274 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-07-28 19:01:17,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:17,275 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:17,276 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:17,276 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:17,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-07-28 19:01:17,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2020-07-28 19:01:17,282 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2020-07-28 19:01:17,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:17,283 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-07-28 19:01:17,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:17,283 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-07-28 19:01:17,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:17,285 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:17,285 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:17,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:17,286 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:17,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:17,286 INFO L82 PathProgramCache]: Analyzing trace with hash 715427514, now seen corresponding path program 1 times [2020-07-28 19:01:17,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:17,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18272747] [2020-07-28 19:01:17,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:17,447 INFO L280 TraceCheckUtils]: 0: Hoare triple {446#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {446#true} is VALID [2020-07-28 19:01:17,447 INFO L280 TraceCheckUtils]: 1: Hoare triple {446#true} havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {446#true} is VALID [2020-07-28 19:01:17,448 INFO L280 TraceCheckUtils]: 2: Hoare triple {446#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; {446#true} is VALID [2020-07-28 19:01:17,448 INFO L280 TraceCheckUtils]: 3: Hoare triple {446#true} main_#t~ret71 := valid_product_#res;assume -2147483648 <= main_#t~ret71 && main_#t~ret71 <= 2147483647;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; {446#true} is VALID [2020-07-28 19:01:17,449 INFO L280 TraceCheckUtils]: 4: Hoare triple {446#true} assume 0 != main_~tmp~6; {446#true} is VALID [2020-07-28 19:01:17,450 INFO L280 TraceCheckUtils]: 5: Hoare triple {446#true} havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {448#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:17,451 INFO L280 TraceCheckUtils]: 6: Hoare triple {448#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {448#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:17,451 INFO L280 TraceCheckUtils]: 7: Hoare triple {448#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {447#false} is VALID [2020-07-28 19:01:17,452 INFO L280 TraceCheckUtils]: 8: Hoare triple {447#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {447#false} is VALID [2020-07-28 19:01:17,452 INFO L280 TraceCheckUtils]: 9: Hoare triple {447#false} assume !(0 != ~pumpRunning~0); {447#false} is VALID [2020-07-28 19:01:17,453 INFO L280 TraceCheckUtils]: 10: Hoare triple {447#false} assume 0 != ~systemActive~0; {447#false} is VALID [2020-07-28 19:01:17,453 INFO L280 TraceCheckUtils]: 11: Hoare triple {447#false} havoc __utac_acc__Specification3_spec__1_#t~ret68, __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {447#false} is VALID [2020-07-28 19:01:17,453 INFO L280 TraceCheckUtils]: 12: Hoare triple {447#false} __utac_acc__Specification3_spec__1_#t~ret68 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret68 && __utac_acc__Specification3_spec__1_#t~ret68 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret68;havoc __utac_acc__Specification3_spec__1_#t~ret68; {447#false} is VALID [2020-07-28 19:01:17,454 INFO L280 TraceCheckUtils]: 13: Hoare triple {447#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~5);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {447#false} is VALID [2020-07-28 19:01:17,454 INFO L280 TraceCheckUtils]: 14: Hoare triple {447#false} __utac_acc__Specification3_spec__1_#t~ret69 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {447#false} is VALID [2020-07-28 19:01:17,454 INFO L280 TraceCheckUtils]: 15: Hoare triple {447#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {447#false} is VALID [2020-07-28 19:01:17,455 INFO L280 TraceCheckUtils]: 16: Hoare triple {447#false} __utac_acc__Specification3_spec__1_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {447#false} is VALID [2020-07-28 19:01:17,455 INFO L280 TraceCheckUtils]: 17: Hoare triple {447#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {447#false} is VALID [2020-07-28 19:01:17,456 INFO L280 TraceCheckUtils]: 18: Hoare triple {447#false} assume !false; {447#false} is VALID [2020-07-28 19:01:17,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:17,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18272747] [2020-07-28 19:01:17,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:17,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:17,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898316434] [2020-07-28 19:01:17,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:17,461 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:17,462 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:17,490 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:17,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:17,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:17,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:17,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:17,491 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand 3 states. [2020-07-28 19:01:17,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:17,674 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2020-07-28 19:01:17,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:17,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:17,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:17,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:17,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2020-07-28 19:01:17,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:17,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2020-07-28 19:01:17,680 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 81 transitions. [2020-07-28 19:01:17,787 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:17,789 INFO L225 Difference]: With dead ends: 59 [2020-07-28 19:01:17,789 INFO L226 Difference]: Without dead ends: 29 [2020-07-28 19:01:17,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:17,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-07-28 19:01:17,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-07-28 19:01:17,805 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:17,805 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 29 states. [2020-07-28 19:01:17,806 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-28 19:01:17,806 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-28 19:01:17,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:17,808 INFO L93 Difference]: Finished difference Result 29 states and 40 transitions. [2020-07-28 19:01:17,809 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-07-28 19:01:17,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:17,809 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:17,810 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2020-07-28 19:01:17,810 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2020-07-28 19:01:17,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:17,812 INFO L93 Difference]: Finished difference Result 29 states and 40 transitions. [2020-07-28 19:01:17,813 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-07-28 19:01:17,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:17,814 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:17,814 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:17,814 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:17,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-07-28 19:01:17,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-07-28 19:01:17,817 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2020-07-28 19:01:17,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:17,817 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-07-28 19:01:17,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:17,818 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-07-28 19:01:17,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:17,819 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:17,819 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:17,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:17,820 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:17,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:17,820 INFO L82 PathProgramCache]: Analyzing trace with hash 930808050, now seen corresponding path program 1 times [2020-07-28 19:01:17,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:17,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106034961] [2020-07-28 19:01:17,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:17,980 INFO L280 TraceCheckUtils]: 0: Hoare triple {635#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {637#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:17,982 INFO L280 TraceCheckUtils]: 1: Hoare triple {637#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {637#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:17,983 INFO L280 TraceCheckUtils]: 2: Hoare triple {637#(= 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; {637#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:17,984 INFO L280 TraceCheckUtils]: 3: Hoare triple {637#(= 1 ~waterLevel~0)} main_#t~ret71 := valid_product_#res;assume -2147483648 <= main_#t~ret71 && main_#t~ret71 <= 2147483647;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; {637#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:17,985 INFO L280 TraceCheckUtils]: 4: Hoare triple {637#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~6; {637#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:17,986 INFO L280 TraceCheckUtils]: 5: Hoare triple {637#(= 1 ~waterLevel~0)} havoc test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {637#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:17,987 INFO L280 TraceCheckUtils]: 6: Hoare triple {637#(= 1 ~waterLevel~0)} assume !false; {637#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:17,988 INFO L280 TraceCheckUtils]: 7: Hoare triple {637#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {637#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:17,989 INFO L280 TraceCheckUtils]: 8: Hoare triple {637#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet46 && test_#t~nondet46 <= 2147483647;test_~tmp~3 := test_#t~nondet46;havoc test_#t~nondet46; {637#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:17,990 INFO L280 TraceCheckUtils]: 9: Hoare triple {637#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~3); {637#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:17,991 INFO L280 TraceCheckUtils]: 10: Hoare triple {637#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet47 && test_#t~nondet47 <= 2147483647;test_~tmp___0~0 := test_#t~nondet47;havoc test_#t~nondet47; {637#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:17,992 INFO L280 TraceCheckUtils]: 11: Hoare triple {637#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {637#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:17,993 INFO L280 TraceCheckUtils]: 12: Hoare triple {637#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet48 && test_#t~nondet48 <= 2147483647;test_~tmp___2~0 := test_#t~nondet48;havoc test_#t~nondet48; {637#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:17,994 INFO L280 TraceCheckUtils]: 13: Hoare triple {637#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {637#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:17,995 INFO L280 TraceCheckUtils]: 14: Hoare triple {637#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {637#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:17,996 INFO L280 TraceCheckUtils]: 15: Hoare triple {637#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0; {637#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:17,997 INFO L280 TraceCheckUtils]: 16: Hoare triple {637#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret68, __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; {637#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:17,998 INFO L280 TraceCheckUtils]: 17: Hoare triple {637#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret68 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret68 && __utac_acc__Specification3_spec__1_#t~ret68 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret68;havoc __utac_acc__Specification3_spec__1_#t~ret68; {637#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:17,999 INFO L280 TraceCheckUtils]: 18: Hoare triple {637#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~5);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; {638#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:01:18,001 INFO L280 TraceCheckUtils]: 19: Hoare triple {638#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret69 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret69 && __utac_acc__Specification3_spec__1_#t~ret69 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; {639#(= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~1)} is VALID [2020-07-28 19:01:18,002 INFO L280 TraceCheckUtils]: 20: Hoare triple {639#(= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~1)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {636#false} is VALID [2020-07-28 19:01:18,003 INFO L280 TraceCheckUtils]: 21: Hoare triple {636#false} __utac_acc__Specification3_spec__1_#t~ret70 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {636#false} is VALID [2020-07-28 19:01:18,003 INFO L280 TraceCheckUtils]: 22: Hoare triple {636#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {636#false} is VALID [2020-07-28 19:01:18,003 INFO L280 TraceCheckUtils]: 23: Hoare triple {636#false} assume !false; {636#false} is VALID [2020-07-28 19:01:18,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:18,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106034961] [2020-07-28 19:01:18,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:18,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:18,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826071054] [2020-07-28 19:01:18,007 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:01:18,008 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:18,008 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:18,063 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:18,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:18,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:18,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:18,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:18,065 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-07-28 19:01:18,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:18,689 INFO L93 Difference]: Finished difference Result 130 states and 199 transitions. [2020-07-28 19:01:18,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:01:18,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:01:18,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:18,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:18,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 199 transitions. [2020-07-28 19:01:18,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:18,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 199 transitions. [2020-07-28 19:01:18,702 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 199 transitions. [2020-07-28 19:01:18,930 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 199 edges. 199 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:18,933 INFO L225 Difference]: With dead ends: 130 [2020-07-28 19:01:18,933 INFO L226 Difference]: Without dead ends: 107 [2020-07-28 19:01:18,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:01:18,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-07-28 19:01:18,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 48. [2020-07-28 19:01:18,997 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:18,997 INFO L82 GeneralOperation]: Start isEquivalent. First operand 107 states. Second operand 48 states. [2020-07-28 19:01:18,997 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 48 states. [2020-07-28 19:01:18,997 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 48 states. [2020-07-28 19:01:19,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:19,010 INFO L93 Difference]: Finished difference Result 107 states and 158 transitions. [2020-07-28 19:01:19,011 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 158 transitions. [2020-07-28 19:01:19,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:19,015 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:19,016 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 107 states. [2020-07-28 19:01:19,016 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 107 states. [2020-07-28 19:01:19,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:19,027 INFO L93 Difference]: Finished difference Result 107 states and 158 transitions. [2020-07-28 19:01:19,027 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 158 transitions. [2020-07-28 19:01:19,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:19,030 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:19,030 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:19,031 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:19,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-28 19:01:19,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2020-07-28 19:01:19,038 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 24 [2020-07-28 19:01:19,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:19,039 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2020-07-28 19:01:19,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:19,039 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2020-07-28 19:01:19,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:01:19,040 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:19,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:19,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:01:19,041 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:19,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:19,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1487700112, now seen corresponding path program 1 times [2020-07-28 19:01:19,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:19,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38012887] [2020-07-28 19:01:19,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:19,142 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:19,229 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:19,279 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:01:19,279 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:01:19,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:01:19,403 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:01:19,403 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:01:19,403 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 19:01:19,404 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 19:01:19,404 WARN L170 areAnnotationChecker]: L863 has no Hoare annotation [2020-07-28 19:01:19,404 WARN L170 areAnnotationChecker]: L863 has no Hoare annotation [2020-07-28 19:01:19,404 WARN L170 areAnnotationChecker]: L840 has no Hoare annotation [2020-07-28 19:01:19,404 WARN L170 areAnnotationChecker]: L863-1 has no Hoare annotation [2020-07-28 19:01:19,405 WARN L170 areAnnotationChecker]: L762-1 has no Hoare annotation [2020-07-28 19:01:19,405 WARN L170 areAnnotationChecker]: L762-1 has no Hoare annotation [2020-07-28 19:01:19,405 WARN L170 areAnnotationChecker]: L762-1 has no Hoare annotation [2020-07-28 19:01:19,405 WARN L170 areAnnotationChecker]: L872 has no Hoare annotation [2020-07-28 19:01:19,405 WARN L170 areAnnotationChecker]: L600 has no Hoare annotation [2020-07-28 19:01:19,405 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-28 19:01:19,406 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-28 19:01:19,406 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:19,406 WARN L170 areAnnotationChecker]: L621-1 has no Hoare annotation [2020-07-28 19:01:19,406 WARN L170 areAnnotationChecker]: L621-1 has no Hoare annotation [2020-07-28 19:01:19,406 WARN L170 areAnnotationChecker]: L554 has no Hoare annotation [2020-07-28 19:01:19,406 WARN L170 areAnnotationChecker]: L90-3 has no Hoare annotation [2020-07-28 19:01:19,407 WARN L170 areAnnotationChecker]: L90-3 has no Hoare annotation [2020-07-28 19:01:19,407 WARN L170 areAnnotationChecker]: L621-2 has no Hoare annotation [2020-07-28 19:01:19,407 WARN L170 areAnnotationChecker]: L621-2 has no Hoare annotation [2020-07-28 19:01:19,407 WARN L170 areAnnotationChecker]: L562 has no Hoare annotation [2020-07-28 19:01:19,407 WARN L170 areAnnotationChecker]: L562 has no Hoare annotation [2020-07-28 19:01:19,407 WARN L170 areAnnotationChecker]: L628-1 has no Hoare annotation [2020-07-28 19:01:19,407 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 19:01:19,408 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 19:01:19,408 WARN L170 areAnnotationChecker]: L562-1 has no Hoare annotation [2020-07-28 19:01:19,408 WARN L170 areAnnotationChecker]: L127-1 has no Hoare annotation [2020-07-28 19:01:19,408 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-28 19:01:19,408 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-28 19:01:19,409 WARN L170 areAnnotationChecker]: L756-2 has no Hoare annotation [2020-07-28 19:01:19,409 WARN L170 areAnnotationChecker]: L756-2 has no Hoare annotation [2020-07-28 19:01:19,409 WARN L170 areAnnotationChecker]: L114 has no Hoare annotation [2020-07-28 19:01:19,409 WARN L170 areAnnotationChecker]: L114 has no Hoare annotation [2020-07-28 19:01:19,409 WARN L170 areAnnotationChecker]: L572-1 has no Hoare annotation [2020-07-28 19:01:19,409 WARN L170 areAnnotationChecker]: L762-3 has no Hoare annotation [2020-07-28 19:01:19,410 WARN L170 areAnnotationChecker]: L159-1 has no Hoare annotation [2020-07-28 19:01:19,410 WARN L170 areAnnotationChecker]: L582 has no Hoare annotation [2020-07-28 19:01:19,410 WARN L170 areAnnotationChecker]: L582 has no Hoare annotation [2020-07-28 19:01:19,410 WARN L170 areAnnotationChecker]: L792-2 has no Hoare annotation [2020-07-28 19:01:19,410 WARN L170 areAnnotationChecker]: L792-2 has no Hoare annotation [2020-07-28 19:01:19,410 WARN L170 areAnnotationChecker]: L792-2 has no Hoare annotation [2020-07-28 19:01:19,410 WARN L170 areAnnotationChecker]: L762-2 has no Hoare annotation [2020-07-28 19:01:19,411 WARN L170 areAnnotationChecker]: L762-2 has no Hoare annotation [2020-07-28 19:01:19,411 WARN L170 areAnnotationChecker]: L590-2 has no Hoare annotation [2020-07-28 19:01:19,411 WARN L170 areAnnotationChecker]: L590-2 has no Hoare annotation [2020-07-28 19:01:19,411 WARN L170 areAnnotationChecker]: L590 has no Hoare annotation [2020-07-28 19:01:19,411 WARN L170 areAnnotationChecker]: L590 has no Hoare annotation [2020-07-28 19:01:19,412 WARN L170 areAnnotationChecker]: L793 has no Hoare annotation [2020-07-28 19:01:19,412 WARN L170 areAnnotationChecker]: L698-1 has no Hoare annotation [2020-07-28 19:01:19,412 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 19:01:19,412 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-28 19:01:19,412 WARN L170 areAnnotationChecker]: L621 has no Hoare annotation [2020-07-28 19:01:19,412 WARN L170 areAnnotationChecker]: L621 has no Hoare annotation [2020-07-28 19:01:19,413 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 19:01:19,413 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-28 19:01:19,413 WARN L170 areAnnotationChecker]: L766-2 has no Hoare annotation [2020-07-28 19:01:19,413 WARN L170 areAnnotationChecker]: L766-2 has no Hoare annotation [2020-07-28 19:01:19,413 WARN L170 areAnnotationChecker]: L628 has no Hoare annotation [2020-07-28 19:01:19,413 WARN L170 areAnnotationChecker]: L796-1 has no Hoare annotation [2020-07-28 19:01:19,414 WARN L170 areAnnotationChecker]: L796-1 has no Hoare annotation [2020-07-28 19:01:19,414 WARN L170 areAnnotationChecker]: L168-1 has no Hoare annotation [2020-07-28 19:01:19,414 WARN L170 areAnnotationChecker]: L168-1 has no Hoare annotation [2020-07-28 19:01:19,414 WARN L170 areAnnotationChecker]: L127 has no Hoare annotation [2020-07-28 19:01:19,414 WARN L170 areAnnotationChecker]: L90-6 has no Hoare annotation [2020-07-28 19:01:19,415 WARN L170 areAnnotationChecker]: L90-6 has no Hoare annotation [2020-07-28 19:01:19,415 WARN L170 areAnnotationChecker]: L621-3 has no Hoare annotation [2020-07-28 19:01:19,415 WARN L170 areAnnotationChecker]: L621-3 has no Hoare annotation [2020-07-28 19:01:19,415 WARN L170 areAnnotationChecker]: L756 has no Hoare annotation [2020-07-28 19:01:19,415 WARN L170 areAnnotationChecker]: L756 has no Hoare annotation [2020-07-28 19:01:19,416 WARN L170 areAnnotationChecker]: L628-2 has no Hoare annotation [2020-07-28 19:01:19,416 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2020-07-28 19:01:19,416 WARN L170 areAnnotationChecker]: L127-2 has no Hoare annotation [2020-07-28 19:01:19,416 WARN L170 areAnnotationChecker]: L762 has no Hoare annotation [2020-07-28 19:01:19,416 WARN L170 areAnnotationChecker]: L762 has no Hoare annotation [2020-07-28 19:01:19,417 WARN L170 areAnnotationChecker]: L756-4 has no Hoare annotation [2020-07-28 19:01:19,417 WARN L170 areAnnotationChecker]: L756-4 has no Hoare annotation [2020-07-28 19:01:19,417 WARN L170 areAnnotationChecker]: L698 has no Hoare annotation [2020-07-28 19:01:19,417 WARN L170 areAnnotationChecker]: L762-5 has no Hoare annotation [2020-07-28 19:01:19,417 WARN L170 areAnnotationChecker]: L159-2 has no Hoare annotation [2020-07-28 19:01:19,417 WARN L170 areAnnotationChecker]: L766 has no Hoare annotation [2020-07-28 19:01:19,418 WARN L170 areAnnotationChecker]: L766 has no Hoare annotation [2020-07-28 19:01:19,418 WARN L170 areAnnotationChecker]: L762-4 has no Hoare annotation [2020-07-28 19:01:19,418 WARN L170 areAnnotationChecker]: L762-4 has no Hoare annotation [2020-07-28 19:01:19,418 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2020-07-28 19:01:19,418 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2020-07-28 19:01:19,419 WARN L170 areAnnotationChecker]: L698-2 has no Hoare annotation [2020-07-28 19:01:19,419 WARN L170 areAnnotationChecker]: L766-4 has no Hoare annotation [2020-07-28 19:01:19,419 WARN L170 areAnnotationChecker]: L766-4 has no Hoare annotation [2020-07-28 19:01:19,419 WARN L170 areAnnotationChecker]: L168-2 has no Hoare annotation [2020-07-28 19:01:19,419 WARN L170 areAnnotationChecker]: L168-2 has no Hoare annotation [2020-07-28 19:01:19,420 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 19:01:19,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:01:19 BoogieIcfgContainer [2020-07-28 19:01:19,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:01:19,423 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:01:19,423 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:01:19,424 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:01:19,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:16" (3/4) ... [2020-07-28 19:01:19,427 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:01:19,547 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:01:19,548 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:01:19,553 INFO L168 Benchmark]: Toolchain (without parser) took 5492.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 961.6 MB in the beginning and 1.0 GB in the end (delta: -60.0 MB). Peak memory consumption was 157.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:19,554 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:19,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:19,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:19,557 INFO L168 Benchmark]: Boogie Preprocessor took 83.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:19,558 INFO L168 Benchmark]: RCFGBuilder took 1327.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.9 MB in the end (delta: 137.0 MB). Peak memory consumption was 137.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:19,561 INFO L168 Benchmark]: TraceAbstraction took 3227.64 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 982.9 MB in the beginning and 1.0 GB in the end (delta: -61.0 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:19,564 INFO L168 Benchmark]: Witness Printer took 125.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:19,570 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 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 632.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.34 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 83.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1327.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 982.9 MB in the end (delta: 137.0 MB). Peak memory consumption was 137.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3227.64 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 982.9 MB in the beginning and 1.0 GB in the end (delta: -61.0 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Witness Printer took 125.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 168]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L342] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L781] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L854] int retValue_acc ; [L855] 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] [L861] tmp = valid_product() [L863] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L543] int splverifierCounter ; [L544] int tmp ; [L545] int tmp___0 ; [L546] int tmp___1 ; [L547] int tmp___2 ; [L550] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L552] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L554] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L560] tmp = __VERIFIER_nondet_int() [L562] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L102] COND TRUE waterLevel < 2 [L103] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L570] tmp___0 = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L580] tmp___2 = __VERIFIER_nondet_int() [L582] COND TRUE \read(tmp___2) [L742] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L628] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L748] int tmp ; [L749] int tmp___0 ; [L750] int tmp___1 ; [L123] int retValue_acc ; [L126] retValue_acc = methaneLevelCritical [L127] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L754] tmp = isMethaneLevelCritical() [L756] COND FALSE !(\read(tmp)) [L155] int retValue_acc ; [L158] retValue_acc = waterLevel [L159] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L760] tmp___0 = getWaterLevel() [L762] COND TRUE tmp___0 == 2 [L694] int retValue_acc ; [L697] retValue_acc = pumpRunning [L698] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L764] tmp___1 = isPumpRunning() [L766] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L168] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 184 SDtfs, 169 SDslu, 148 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 59 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 2134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...