./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_spec5_product02.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc16baed9582dc03b8c04a72a2e3374c4a73ebd0268e0a32bbf7f86bd3b5da48 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:11:27,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:11:27,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:11:27,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:11:27,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:11:27,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:11:27,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:11:27,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:11:27,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:11:27,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:11:27,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:11:27,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:11:27,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:11:27,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:11:27,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:11:27,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:11:27,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:11:27,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:11:27,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:11:27,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:11:27,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:11:27,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:11:27,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:11:27,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:11:27,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:11:27,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:11:27,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:11:27,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:11:27,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:11:27,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:11:27,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:11:27,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:11:27,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:11:27,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:11:27,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:11:27,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:11:27,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:11:27,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:11:27,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:11:27,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:11:27,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:11:27,220 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:11:27,243 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:11:27,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:11:27,244 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:11:27,244 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:11:27,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:11:27,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:11:27,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:11:27,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:11:27,245 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:11:27,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:11:27,246 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:11:27,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:11:27,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:11:27,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:11:27,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:11:27,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:11:27,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:11:27,247 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:11:27,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:11:27,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:11:27,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:11:27,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:11:27,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:11:27,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:11:27,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:11:27,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:11:27,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:11:27,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:11:27,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:11:27,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:11:27,250 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:11:27,250 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:11:27,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:11:27,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc16baed9582dc03b8c04a72a2e3374c4a73ebd0268e0a32bbf7f86bd3b5da48 [2022-02-20 18:11:27,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:11:27,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:11:27,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:11:27,502 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:11:27,503 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:11:27,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c [2022-02-20 18:11:27,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcd718265/9c93a1572b474de4b1b250f16ba6dcf0/FLAGce1bf1718 [2022-02-20 18:11:28,009 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:11:28,010 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c [2022-02-20 18:11:28,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcd718265/9c93a1572b474de4b1b250f16ba6dcf0/FLAGce1bf1718 [2022-02-20 18:11:28,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcd718265/9c93a1572b474de4b1b250f16ba6dcf0 [2022-02-20 18:11:28,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:11:28,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:11:28,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:11:28,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:11:28,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:11:28,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:11:28" (1/1) ... [2022-02-20 18:11:28,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d41e113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:28, skipping insertion in model container [2022-02-20 18:11:28,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:11:28" (1/1) ... [2022-02-20 18:11:28,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:11:28,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:11:28,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c[14969,14982] [2022-02-20 18:11:28,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:11:28,807 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:11:28,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c[14969,14982] [2022-02-20 18:11:28,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:11:28,869 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:11:28,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:28 WrapperNode [2022-02-20 18:11:28,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:11:28,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:11:28,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:11:28,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:11:28,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:28" (1/1) ... [2022-02-20 18:11:28,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:28" (1/1) ... [2022-02-20 18:11:28,922 INFO L137 Inliner]: procedures = 52, calls = 148, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 194 [2022-02-20 18:11:28,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:11:28,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:11:28,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:11:28,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:11:28,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:28" (1/1) ... [2022-02-20 18:11:28,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:28" (1/1) ... [2022-02-20 18:11:28,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:28" (1/1) ... [2022-02-20 18:11:28,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:28" (1/1) ... [2022-02-20 18:11:28,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:28" (1/1) ... [2022-02-20 18:11:28,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:28" (1/1) ... [2022-02-20 18:11:28,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:28" (1/1) ... [2022-02-20 18:11:28,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:11:28,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:11:28,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:11:28,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:11:28,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:28" (1/1) ... [2022-02-20 18:11:28,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:11:28,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:11:28,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 18:11:28,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 18:11:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:11:29,038 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-02-20 18:11:29,038 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-02-20 18:11:29,038 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-02-20 18:11:29,038 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-02-20 18:11:29,038 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-02-20 18:11:29,038 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-02-20 18:11:29,038 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-02-20 18:11:29,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-02-20 18:11:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:11:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-02-20 18:11:29,039 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-02-20 18:11:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:11:29,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:11:29,086 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:11:29,088 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:11:29,422 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:11:29,427 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:11:29,427 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 18:11:29,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:11:29 BoogieIcfgContainer [2022-02-20 18:11:29,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:11:29,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:11:29,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:11:29,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:11:29,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:11:28" (1/3) ... [2022-02-20 18:11:29,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186afb8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:11:29, skipping insertion in model container [2022-02-20 18:11:29,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:28" (2/3) ... [2022-02-20 18:11:29,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186afb8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:11:29, skipping insertion in model container [2022-02-20 18:11:29,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:11:29" (3/3) ... [2022-02-20 18:11:29,437 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product02.cil.c [2022-02-20 18:11:29,441 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:11:29,441 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 18:11:29,485 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:11:29,492 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 18:11:29,492 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 18:11:29,520 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 58 states have internal predecessors, (74), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-02-20 18:11:29,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-02-20 18:11:29,526 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:11:29,527 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:11:29,527 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:11:29,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:11:29,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1621276931, now seen corresponding path program 1 times [2022-02-20 18:11:29,542 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:11:29,542 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529085491] [2022-02-20 18:11:29,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:11:29,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:11:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:29,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-02-20 18:11:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:29,760 INFO L290 TraceCheckUtils]: 0: Hoare triple {72#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {72#true} is VALID [2022-02-20 18:11:29,760 INFO L290 TraceCheckUtils]: 1: Hoare triple {72#true} assume true; {72#true} is VALID [2022-02-20 18:11:29,761 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {72#true} {73#false} #183#return; {73#false} is VALID [2022-02-20 18:11:29,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 18:11:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:29,779 INFO L290 TraceCheckUtils]: 0: Hoare triple {72#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {72#true} is VALID [2022-02-20 18:11:29,779 INFO L290 TraceCheckUtils]: 1: Hoare triple {72#true} assume true; {72#true} is VALID [2022-02-20 18:11:29,780 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {72#true} {73#false} #185#return; {73#false} is VALID [2022-02-20 18:11:29,780 INFO L290 TraceCheckUtils]: 0: Hoare triple {72#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; {72#true} is VALID [2022-02-20 18:11:29,781 INFO L290 TraceCheckUtils]: 1: Hoare triple {72#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; {72#true} is VALID [2022-02-20 18:11:29,781 INFO L290 TraceCheckUtils]: 2: Hoare triple {72#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {72#true} is VALID [2022-02-20 18:11:29,781 INFO L290 TraceCheckUtils]: 3: Hoare triple {72#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; {72#true} is VALID [2022-02-20 18:11:29,781 INFO L290 TraceCheckUtils]: 4: Hoare triple {72#true} main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret49#1 && main_#t~ret49#1 <= 2147483647;main_~tmp~5#1 := main_#t~ret49#1;havoc main_#t~ret49#1; {72#true} is VALID [2022-02-20 18:11:29,782 INFO L290 TraceCheckUtils]: 5: Hoare triple {72#true} assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; {72#true} is VALID [2022-02-20 18:11:29,782 INFO L290 TraceCheckUtils]: 6: Hoare triple {72#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; {72#true} is VALID [2022-02-20 18:11:29,782 INFO L290 TraceCheckUtils]: 7: Hoare triple {72#true} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {72#true} is VALID [2022-02-20 18:11:29,783 INFO L290 TraceCheckUtils]: 8: Hoare triple {72#true} assume false; {73#false} is VALID [2022-02-20 18:11:29,783 INFO L272 TraceCheckUtils]: 9: Hoare triple {73#false} call cleanup(); {73#false} is VALID [2022-02-20 18:11:29,783 INFO L290 TraceCheckUtils]: 10: Hoare triple {73#false} havoc ~i~0;havoc ~__cil_tmp2~0; {73#false} is VALID [2022-02-20 18:11:29,783 INFO L272 TraceCheckUtils]: 11: Hoare triple {73#false} call timeShift(); {73#false} is VALID [2022-02-20 18:11:29,784 INFO L290 TraceCheckUtils]: 12: Hoare triple {73#false} assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret45#1; {73#false} is VALID [2022-02-20 18:11:29,784 INFO L272 TraceCheckUtils]: 13: Hoare triple {73#false} call __utac_acc__Specification5_spec__2_#t~ret45#1 := isPumpRunning(); {72#true} is VALID [2022-02-20 18:11:29,784 INFO L290 TraceCheckUtils]: 14: Hoare triple {72#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {72#true} is VALID [2022-02-20 18:11:29,784 INFO L290 TraceCheckUtils]: 15: Hoare triple {72#true} assume true; {72#true} is VALID [2022-02-20 18:11:29,784 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {72#true} {73#false} #183#return; {73#false} is VALID [2022-02-20 18:11:29,785 INFO L290 TraceCheckUtils]: 17: Hoare triple {73#false} assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret45#1 && __utac_acc__Specification5_spec__2_#t~ret45#1 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret45#1;havoc __utac_acc__Specification5_spec__2_#t~ret45#1; {73#false} is VALID [2022-02-20 18:11:29,785 INFO L290 TraceCheckUtils]: 18: Hoare triple {73#false} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {73#false} is VALID [2022-02-20 18:11:29,785 INFO L290 TraceCheckUtils]: 19: Hoare triple {73#false} assume !(0 != ~pumpRunning~0); {73#false} is VALID [2022-02-20 18:11:29,785 INFO L290 TraceCheckUtils]: 20: Hoare triple {73#false} assume !(0 != ~systemActive~0); {73#false} is VALID [2022-02-20 18:11:29,786 INFO L290 TraceCheckUtils]: 21: Hoare triple {73#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; {73#false} is VALID [2022-02-20 18:11:29,786 INFO L290 TraceCheckUtils]: 22: Hoare triple {73#false} __utac_acc__Specification5_spec__3_#t~ret46#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret46#1 && __utac_acc__Specification5_spec__3_#t~ret46#1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret46#1;havoc __utac_acc__Specification5_spec__3_#t~ret46#1; {73#false} is VALID [2022-02-20 18:11:29,786 INFO L290 TraceCheckUtils]: 23: Hoare triple {73#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1; {73#false} is VALID [2022-02-20 18:11:29,786 INFO L272 TraceCheckUtils]: 24: Hoare triple {73#false} call __utac_acc__Specification5_spec__3_#t~ret47#1 := isPumpRunning(); {72#true} is VALID [2022-02-20 18:11:29,786 INFO L290 TraceCheckUtils]: 25: Hoare triple {72#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {72#true} is VALID [2022-02-20 18:11:29,787 INFO L290 TraceCheckUtils]: 26: Hoare triple {72#true} assume true; {72#true} is VALID [2022-02-20 18:11:29,787 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {72#true} {73#false} #185#return; {73#false} is VALID [2022-02-20 18:11:29,787 INFO L290 TraceCheckUtils]: 28: Hoare triple {73#false} assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret47#1 && __utac_acc__Specification5_spec__3_#t~ret47#1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; {73#false} is VALID [2022-02-20 18:11:29,787 INFO L290 TraceCheckUtils]: 29: Hoare triple {73#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1; {73#false} is VALID [2022-02-20 18:11:29,788 INFO L290 TraceCheckUtils]: 30: Hoare triple {73#false} assume 0 == ~switchedOnBeforeTS~0;assume { :begin_inline___automaton_fail } true; {73#false} is VALID [2022-02-20 18:11:29,788 INFO L290 TraceCheckUtils]: 31: Hoare triple {73#false} assume !false; {73#false} is VALID [2022-02-20 18:11:29,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-20 18:11:29,789 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:11:29,789 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529085491] [2022-02-20 18:11:29,789 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529085491] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:11:29,790 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:11:29,790 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 18:11:29,791 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695711281] [2022-02-20 18:11:29,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:11:29,795 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-02-20 18:11:29,798 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:11:29,801 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:11:29,850 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:11:29,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 18:11:29,851 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:11:29,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 18:11:29,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:11:29,886 INFO L87 Difference]: Start difference. First operand has 69 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 58 states have internal predecessors, (74), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:11:29,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:29,983 INFO L93 Difference]: Finished difference Result 129 states and 174 transitions. [2022-02-20 18:11:29,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 18:11:29,984 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-02-20 18:11:29,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:11:29,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:11:29,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 174 transitions. [2022-02-20 18:11:30,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:11:30,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 174 transitions. [2022-02-20 18:11:30,011 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 174 transitions. [2022-02-20 18:11:30,179 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:11:30,188 INFO L225 Difference]: With dead ends: 129 [2022-02-20 18:11:30,189 INFO L226 Difference]: Without dead ends: 60 [2022-02-20 18:11:30,191 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:11:30,208 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:11:30,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:11:30,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-02-20 18:11:30,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-02-20 18:11:30,234 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:11:30,235 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand has 60 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 50 states have internal predecessors, (60), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 18:11:30,237 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand has 60 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 50 states have internal predecessors, (60), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 18:11:30,251 INFO L87 Difference]: Start difference. First operand 60 states. Second operand has 60 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 50 states have internal predecessors, (60), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 18:11:30,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:30,257 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2022-02-20 18:11:30,257 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-02-20 18:11:30,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:11:30,258 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:11:30,259 INFO L74 IsIncluded]: Start isIncluded. First operand has 60 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 50 states have internal predecessors, (60), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 60 states. [2022-02-20 18:11:30,259 INFO L87 Difference]: Start difference. First operand has 60 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 50 states have internal predecessors, (60), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 60 states. [2022-02-20 18:11:30,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:30,263 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2022-02-20 18:11:30,264 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-02-20 18:11:30,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:11:30,265 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:11:30,265 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:11:30,265 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:11:30,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 50 states have internal predecessors, (60), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 18:11:30,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2022-02-20 18:11:30,278 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 32 [2022-02-20 18:11:30,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:11:30,278 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2022-02-20 18:11:30,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:11:30,279 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-02-20 18:11:30,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-02-20 18:11:30,280 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:11:30,280 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:11:30,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:11:30,281 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:11:30,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:11:30,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1996971476, now seen corresponding path program 1 times [2022-02-20 18:11:30,287 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:11:30,288 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703026315] [2022-02-20 18:11:30,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:11:30,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:11:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:30,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 18:11:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:30,345 INFO L290 TraceCheckUtils]: 0: Hoare triple {473#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {473#true} is VALID [2022-02-20 18:11:30,345 INFO L290 TraceCheckUtils]: 1: Hoare triple {473#true} assume true; {473#true} is VALID [2022-02-20 18:11:30,345 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {473#true} {474#false} #183#return; {474#false} is VALID [2022-02-20 18:11:30,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 18:11:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:30,349 INFO L290 TraceCheckUtils]: 0: Hoare triple {473#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {473#true} is VALID [2022-02-20 18:11:30,350 INFO L290 TraceCheckUtils]: 1: Hoare triple {473#true} assume true; {473#true} is VALID [2022-02-20 18:11:30,350 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {473#true} {474#false} #185#return; {474#false} is VALID [2022-02-20 18:11:30,350 INFO L290 TraceCheckUtils]: 0: Hoare triple {473#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; {473#true} is VALID [2022-02-20 18:11:30,350 INFO L290 TraceCheckUtils]: 1: Hoare triple {473#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; {473#true} is VALID [2022-02-20 18:11:30,350 INFO L290 TraceCheckUtils]: 2: Hoare triple {473#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {473#true} is VALID [2022-02-20 18:11:30,351 INFO L290 TraceCheckUtils]: 3: Hoare triple {473#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; {473#true} is VALID [2022-02-20 18:11:30,351 INFO L290 TraceCheckUtils]: 4: Hoare triple {473#true} main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret49#1 && main_#t~ret49#1 <= 2147483647;main_~tmp~5#1 := main_#t~ret49#1;havoc main_#t~ret49#1; {473#true} is VALID [2022-02-20 18:11:30,351 INFO L290 TraceCheckUtils]: 5: Hoare triple {473#true} assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; {473#true} is VALID [2022-02-20 18:11:30,351 INFO L290 TraceCheckUtils]: 6: Hoare triple {473#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; {473#true} is VALID [2022-02-20 18:11:30,352 INFO L290 TraceCheckUtils]: 7: Hoare triple {473#true} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {475#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:11:30,352 INFO L290 TraceCheckUtils]: 8: Hoare triple {475#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !false; {475#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:11:30,353 INFO L290 TraceCheckUtils]: 9: Hoare triple {475#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !(test_~splverifierCounter~0#1 < 4); {474#false} is VALID [2022-02-20 18:11:30,353 INFO L272 TraceCheckUtils]: 10: Hoare triple {474#false} call cleanup(); {474#false} is VALID [2022-02-20 18:11:30,353 INFO L290 TraceCheckUtils]: 11: Hoare triple {474#false} havoc ~i~0;havoc ~__cil_tmp2~0; {474#false} is VALID [2022-02-20 18:11:30,353 INFO L272 TraceCheckUtils]: 12: Hoare triple {474#false} call timeShift(); {474#false} is VALID [2022-02-20 18:11:30,354 INFO L290 TraceCheckUtils]: 13: Hoare triple {474#false} assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret45#1; {474#false} is VALID [2022-02-20 18:11:30,354 INFO L272 TraceCheckUtils]: 14: Hoare triple {474#false} call __utac_acc__Specification5_spec__2_#t~ret45#1 := isPumpRunning(); {473#true} is VALID [2022-02-20 18:11:30,354 INFO L290 TraceCheckUtils]: 15: Hoare triple {473#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {473#true} is VALID [2022-02-20 18:11:30,354 INFO L290 TraceCheckUtils]: 16: Hoare triple {473#true} assume true; {473#true} is VALID [2022-02-20 18:11:30,354 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {473#true} {474#false} #183#return; {474#false} is VALID [2022-02-20 18:11:30,355 INFO L290 TraceCheckUtils]: 18: Hoare triple {474#false} assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret45#1 && __utac_acc__Specification5_spec__2_#t~ret45#1 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret45#1;havoc __utac_acc__Specification5_spec__2_#t~ret45#1; {474#false} is VALID [2022-02-20 18:11:30,355 INFO L290 TraceCheckUtils]: 19: Hoare triple {474#false} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {474#false} is VALID [2022-02-20 18:11:30,355 INFO L290 TraceCheckUtils]: 20: Hoare triple {474#false} assume !(0 != ~pumpRunning~0); {474#false} is VALID [2022-02-20 18:11:30,355 INFO L290 TraceCheckUtils]: 21: Hoare triple {474#false} assume !(0 != ~systemActive~0); {474#false} is VALID [2022-02-20 18:11:30,355 INFO L290 TraceCheckUtils]: 22: Hoare triple {474#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; {474#false} is VALID [2022-02-20 18:11:30,356 INFO L290 TraceCheckUtils]: 23: Hoare triple {474#false} __utac_acc__Specification5_spec__3_#t~ret46#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret46#1 && __utac_acc__Specification5_spec__3_#t~ret46#1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret46#1;havoc __utac_acc__Specification5_spec__3_#t~ret46#1; {474#false} is VALID [2022-02-20 18:11:30,356 INFO L290 TraceCheckUtils]: 24: Hoare triple {474#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1; {474#false} is VALID [2022-02-20 18:11:30,356 INFO L272 TraceCheckUtils]: 25: Hoare triple {474#false} call __utac_acc__Specification5_spec__3_#t~ret47#1 := isPumpRunning(); {473#true} is VALID [2022-02-20 18:11:30,356 INFO L290 TraceCheckUtils]: 26: Hoare triple {473#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {473#true} is VALID [2022-02-20 18:11:30,356 INFO L290 TraceCheckUtils]: 27: Hoare triple {473#true} assume true; {473#true} is VALID [2022-02-20 18:11:30,357 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {473#true} {474#false} #185#return; {474#false} is VALID [2022-02-20 18:11:30,357 INFO L290 TraceCheckUtils]: 29: Hoare triple {474#false} assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret47#1 && __utac_acc__Specification5_spec__3_#t~ret47#1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; {474#false} is VALID [2022-02-20 18:11:30,357 INFO L290 TraceCheckUtils]: 30: Hoare triple {474#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1; {474#false} is VALID [2022-02-20 18:11:30,357 INFO L290 TraceCheckUtils]: 31: Hoare triple {474#false} assume 0 == ~switchedOnBeforeTS~0;assume { :begin_inline___automaton_fail } true; {474#false} is VALID [2022-02-20 18:11:30,357 INFO L290 TraceCheckUtils]: 32: Hoare triple {474#false} assume !false; {474#false} is VALID [2022-02-20 18:11:30,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-20 18:11:30,358 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:11:30,358 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703026315] [2022-02-20 18:11:30,358 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703026315] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:11:30,358 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:11:30,359 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:11:30,359 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76299280] [2022-02-20 18:11:30,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:11:30,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-02-20 18:11:30,360 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:11:30,361 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:11:30,411 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:11:30,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:11:30,412 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:11:30,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:11:30,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:11:30,413 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:11:30,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:30,492 INFO L93 Difference]: Finished difference Result 84 states and 104 transitions. [2022-02-20 18:11:30,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:11:30,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-02-20 18:11:30,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:11:30,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:11:30,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 104 transitions. [2022-02-20 18:11:30,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:11:30,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 104 transitions. [2022-02-20 18:11:30,507 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 104 transitions. [2022-02-20 18:11:30,583 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 104 edges. 104 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:11:30,590 INFO L225 Difference]: With dead ends: 84 [2022-02-20 18:11:30,591 INFO L226 Difference]: Without dead ends: 51 [2022-02-20 18:11:30,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:11:30,597 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 13 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:11:30,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:11:30,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-02-20 18:11:30,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-02-20 18:11:30,607 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:11:30,607 INFO L82 GeneralOperation]: Start isEquivalent. First operand 51 states. Second operand has 51 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 44 states have internal predecessors, (53), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 18:11:30,608 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand has 51 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 44 states have internal predecessors, (53), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 18:11:30,608 INFO L87 Difference]: Start difference. First operand 51 states. Second operand has 51 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 44 states have internal predecessors, (53), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 18:11:30,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:30,611 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2022-02-20 18:11:30,611 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-02-20 18:11:30,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:11:30,611 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:11:30,612 INFO L74 IsIncluded]: Start isIncluded. First operand has 51 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 44 states have internal predecessors, (53), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 51 states. [2022-02-20 18:11:30,612 INFO L87 Difference]: Start difference. First operand has 51 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 44 states have internal predecessors, (53), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 51 states. [2022-02-20 18:11:30,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:30,614 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2022-02-20 18:11:30,614 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-02-20 18:11:30,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:11:30,615 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:11:30,615 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:11:30,615 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:11:30,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 44 states have internal predecessors, (53), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 18:11:30,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2022-02-20 18:11:30,617 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 33 [2022-02-20 18:11:30,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:11:30,617 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2022-02-20 18:11:30,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:11:30,618 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-02-20 18:11:30,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-20 18:11:30,619 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:11:30,619 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:11:30,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:11:30,619 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:11:30,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:11:30,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1775458659, now seen corresponding path program 1 times [2022-02-20 18:11:30,620 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:11:30,620 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053295133] [2022-02-20 18:11:30,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:11:30,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:11:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:30,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-20 18:11:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:30,698 INFO L290 TraceCheckUtils]: 0: Hoare triple {777#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {777#true} is VALID [2022-02-20 18:11:30,699 INFO L290 TraceCheckUtils]: 1: Hoare triple {777#true} assume true; {777#true} is VALID [2022-02-20 18:11:30,699 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {777#true} {779#(= 1 ~systemActive~0)} #183#return; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-02-20 18:11:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:30,703 INFO L290 TraceCheckUtils]: 0: Hoare triple {777#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {777#true} is VALID [2022-02-20 18:11:30,703 INFO L290 TraceCheckUtils]: 1: Hoare triple {777#true} assume true; {777#true} is VALID [2022-02-20 18:11:30,704 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {777#true} {778#false} #185#return; {778#false} is VALID [2022-02-20 18:11:30,706 INFO L290 TraceCheckUtils]: 0: Hoare triple {777#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,706 INFO L290 TraceCheckUtils]: 1: Hoare triple {779#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,707 INFO L290 TraceCheckUtils]: 2: Hoare triple {779#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,707 INFO L290 TraceCheckUtils]: 3: Hoare triple {779#(= 1 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,707 INFO L290 TraceCheckUtils]: 4: Hoare triple {779#(= 1 ~systemActive~0)} main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret49#1 && main_#t~ret49#1 <= 2147483647;main_~tmp~5#1 := main_#t~ret49#1;havoc main_#t~ret49#1; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,708 INFO L290 TraceCheckUtils]: 5: Hoare triple {779#(= 1 ~systemActive~0)} assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,708 INFO L290 TraceCheckUtils]: 6: Hoare triple {779#(= 1 ~systemActive~0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,709 INFO L290 TraceCheckUtils]: 7: Hoare triple {779#(= 1 ~systemActive~0)} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,709 INFO L290 TraceCheckUtils]: 8: Hoare triple {779#(= 1 ~systemActive~0)} assume !false; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,710 INFO L290 TraceCheckUtils]: 9: Hoare triple {779#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0#1 < 4; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,710 INFO L290 TraceCheckUtils]: 10: Hoare triple {779#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet41#1 && test_#t~nondet41#1 <= 2147483647;test_~tmp~3#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,711 INFO L290 TraceCheckUtils]: 11: Hoare triple {779#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~3#1); {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,711 INFO L290 TraceCheckUtils]: 12: Hoare triple {779#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet42#1 && test_#t~nondet42#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,712 INFO L290 TraceCheckUtils]: 13: Hoare triple {779#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~0#1); {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,712 INFO L290 TraceCheckUtils]: 14: Hoare triple {779#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet43#1 && test_#t~nondet43#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,713 INFO L290 TraceCheckUtils]: 15: Hoare triple {779#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___2~0#1);assume -2147483648 <= test_#t~nondet44#1 && test_#t~nondet44#1 <= 2147483647;test_~tmp___1~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,713 INFO L290 TraceCheckUtils]: 16: Hoare triple {779#(= 1 ~systemActive~0)} assume 0 != test_~tmp___1~0#1; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,713 INFO L272 TraceCheckUtils]: 17: Hoare triple {779#(= 1 ~systemActive~0)} call timeShift(); {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,714 INFO L290 TraceCheckUtils]: 18: Hoare triple {779#(= 1 ~systemActive~0)} assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret45#1; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,714 INFO L272 TraceCheckUtils]: 19: Hoare triple {779#(= 1 ~systemActive~0)} call __utac_acc__Specification5_spec__2_#t~ret45#1 := isPumpRunning(); {777#true} is VALID [2022-02-20 18:11:30,714 INFO L290 TraceCheckUtils]: 20: Hoare triple {777#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {777#true} is VALID [2022-02-20 18:11:30,714 INFO L290 TraceCheckUtils]: 21: Hoare triple {777#true} assume true; {777#true} is VALID [2022-02-20 18:11:30,715 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {777#true} {779#(= 1 ~systemActive~0)} #183#return; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,715 INFO L290 TraceCheckUtils]: 23: Hoare triple {779#(= 1 ~systemActive~0)} assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret45#1 && __utac_acc__Specification5_spec__2_#t~ret45#1 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret45#1;havoc __utac_acc__Specification5_spec__2_#t~ret45#1; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,716 INFO L290 TraceCheckUtils]: 24: Hoare triple {779#(= 1 ~systemActive~0)} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,716 INFO L290 TraceCheckUtils]: 25: Hoare triple {779#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {779#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:30,717 INFO L290 TraceCheckUtils]: 26: Hoare triple {779#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {778#false} is VALID [2022-02-20 18:11:30,717 INFO L290 TraceCheckUtils]: 27: Hoare triple {778#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; {778#false} is VALID [2022-02-20 18:11:30,717 INFO L290 TraceCheckUtils]: 28: Hoare triple {778#false} __utac_acc__Specification5_spec__3_#t~ret46#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret46#1 && __utac_acc__Specification5_spec__3_#t~ret46#1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret46#1;havoc __utac_acc__Specification5_spec__3_#t~ret46#1; {778#false} is VALID [2022-02-20 18:11:30,718 INFO L290 TraceCheckUtils]: 29: Hoare triple {778#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1; {778#false} is VALID [2022-02-20 18:11:30,718 INFO L272 TraceCheckUtils]: 30: Hoare triple {778#false} call __utac_acc__Specification5_spec__3_#t~ret47#1 := isPumpRunning(); {777#true} is VALID [2022-02-20 18:11:30,718 INFO L290 TraceCheckUtils]: 31: Hoare triple {777#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {777#true} is VALID [2022-02-20 18:11:30,718 INFO L290 TraceCheckUtils]: 32: Hoare triple {777#true} assume true; {777#true} is VALID [2022-02-20 18:11:30,718 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {777#true} {778#false} #185#return; {778#false} is VALID [2022-02-20 18:11:30,718 INFO L290 TraceCheckUtils]: 34: Hoare triple {778#false} assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret47#1 && __utac_acc__Specification5_spec__3_#t~ret47#1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; {778#false} is VALID [2022-02-20 18:11:30,719 INFO L290 TraceCheckUtils]: 35: Hoare triple {778#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1; {778#false} is VALID [2022-02-20 18:11:30,719 INFO L290 TraceCheckUtils]: 36: Hoare triple {778#false} assume 0 == ~switchedOnBeforeTS~0;assume { :begin_inline___automaton_fail } true; {778#false} is VALID [2022-02-20 18:11:30,719 INFO L290 TraceCheckUtils]: 37: Hoare triple {778#false} assume !false; {778#false} is VALID [2022-02-20 18:11:30,719 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-20 18:11:30,720 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:11:30,720 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053295133] [2022-02-20 18:11:30,720 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053295133] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:11:30,720 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:11:30,720 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:11:30,721 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895310050] [2022-02-20 18:11:30,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:11:30,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-02-20 18:11:30,722 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:11:30,722 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 18:11:30,746 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:11:30,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:11:30,747 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:11:30,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:11:30,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:11:30,748 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 18:11:30,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:30,815 INFO L93 Difference]: Finished difference Result 94 states and 119 transitions. [2022-02-20 18:11:30,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:11:30,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-02-20 18:11:30,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:11:30,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 18:11:30,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 119 transitions. [2022-02-20 18:11:30,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 18:11:30,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 119 transitions. [2022-02-20 18:11:30,820 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 119 transitions. [2022-02-20 18:11:30,902 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 119 edges. 119 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:11:30,903 INFO L225 Difference]: With dead ends: 94 [2022-02-20 18:11:30,904 INFO L226 Difference]: Without dead ends: 51 [2022-02-20 18:11:30,904 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:11:30,905 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 38 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:11:30,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 61 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:11:30,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-02-20 18:11:30,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-02-20 18:11:30,909 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:11:30,910 INFO L82 GeneralOperation]: Start isEquivalent. First operand 51 states. Second operand has 51 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 44 states have internal predecessors, (52), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 18:11:30,910 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand has 51 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 44 states have internal predecessors, (52), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 18:11:30,910 INFO L87 Difference]: Start difference. First operand 51 states. Second operand has 51 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 44 states have internal predecessors, (52), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 18:11:30,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:30,912 INFO L93 Difference]: Finished difference Result 51 states and 62 transitions. [2022-02-20 18:11:30,912 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2022-02-20 18:11:30,913 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:11:30,913 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:11:30,913 INFO L74 IsIncluded]: Start isIncluded. First operand has 51 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 44 states have internal predecessors, (52), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 51 states. [2022-02-20 18:11:30,913 INFO L87 Difference]: Start difference. First operand has 51 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 44 states have internal predecessors, (52), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 51 states. [2022-02-20 18:11:30,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:30,915 INFO L93 Difference]: Finished difference Result 51 states and 62 transitions. [2022-02-20 18:11:30,915 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2022-02-20 18:11:30,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:11:30,916 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:11:30,916 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:11:30,916 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:11:30,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 44 states have internal predecessors, (52), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 18:11:30,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2022-02-20 18:11:30,918 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 62 transitions. Word has length 38 [2022-02-20 18:11:30,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:11:30,919 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 62 transitions. [2022-02-20 18:11:30,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 18:11:30,919 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2022-02-20 18:11:30,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-20 18:11:30,920 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:11:30,920 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:11:30,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:11:30,920 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:11:30,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:11:30,921 INFO L85 PathProgramCache]: Analyzing trace with hash 139044105, now seen corresponding path program 1 times [2022-02-20 18:11:30,921 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:11:30,921 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138183827] [2022-02-20 18:11:30,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:11:30,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:11:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:30,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-02-20 18:11:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:30,986 INFO L290 TraceCheckUtils]: 0: Hoare triple {1093#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {1093#true} is VALID [2022-02-20 18:11:30,986 INFO L290 TraceCheckUtils]: 1: Hoare triple {1093#true} assume true; {1093#true} is VALID [2022-02-20 18:11:30,986 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1093#true} {1095#(= ~pumpRunning~0 0)} #183#return; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-02-20 18:11:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:30,995 INFO L290 TraceCheckUtils]: 0: Hoare triple {1093#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {1104#(= ~pumpRunning~0 |isPumpRunning_#res|)} is VALID [2022-02-20 18:11:30,996 INFO L290 TraceCheckUtils]: 1: Hoare triple {1104#(= ~pumpRunning~0 |isPumpRunning_#res|)} assume true; {1104#(= ~pumpRunning~0 |isPumpRunning_#res|)} is VALID [2022-02-20 18:11:30,997 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1104#(= ~pumpRunning~0 |isPumpRunning_#res|)} {1095#(= ~pumpRunning~0 0)} #185#return; {1102#(= 0 |timeShift___utac_acc__Specification5_spec__3_#t~ret47#1|)} is VALID [2022-02-20 18:11:30,997 INFO L290 TraceCheckUtils]: 0: Hoare triple {1093#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,998 INFO L290 TraceCheckUtils]: 1: Hoare triple {1095#(= ~pumpRunning~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,998 INFO L290 TraceCheckUtils]: 2: Hoare triple {1095#(= ~pumpRunning~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,998 INFO L290 TraceCheckUtils]: 3: Hoare triple {1095#(= ~pumpRunning~0 0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,999 INFO L290 TraceCheckUtils]: 4: Hoare triple {1095#(= ~pumpRunning~0 0)} main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret49#1 && main_#t~ret49#1 <= 2147483647;main_~tmp~5#1 := main_#t~ret49#1;havoc main_#t~ret49#1; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,999 INFO L290 TraceCheckUtils]: 5: Hoare triple {1095#(= ~pumpRunning~0 0)} assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,000 INFO L290 TraceCheckUtils]: 6: Hoare triple {1095#(= ~pumpRunning~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,000 INFO L290 TraceCheckUtils]: 7: Hoare triple {1095#(= ~pumpRunning~0 0)} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,001 INFO L290 TraceCheckUtils]: 8: Hoare triple {1095#(= ~pumpRunning~0 0)} assume !false; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,001 INFO L290 TraceCheckUtils]: 9: Hoare triple {1095#(= ~pumpRunning~0 0)} assume test_~splverifierCounter~0#1 < 4; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,001 INFO L290 TraceCheckUtils]: 10: Hoare triple {1095#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet41#1 && test_#t~nondet41#1 <= 2147483647;test_~tmp~3#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,002 INFO L290 TraceCheckUtils]: 11: Hoare triple {1095#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp~3#1); {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,002 INFO L290 TraceCheckUtils]: 12: Hoare triple {1095#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet42#1 && test_#t~nondet42#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,003 INFO L290 TraceCheckUtils]: 13: Hoare triple {1095#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___0~0#1); {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,003 INFO L290 TraceCheckUtils]: 14: Hoare triple {1095#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet43#1 && test_#t~nondet43#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,003 INFO L290 TraceCheckUtils]: 15: Hoare triple {1095#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___2~0#1);assume -2147483648 <= test_#t~nondet44#1 && test_#t~nondet44#1 <= 2147483647;test_~tmp___1~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,004 INFO L290 TraceCheckUtils]: 16: Hoare triple {1095#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___1~0#1; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,004 INFO L272 TraceCheckUtils]: 17: Hoare triple {1095#(= ~pumpRunning~0 0)} call timeShift(); {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,005 INFO L290 TraceCheckUtils]: 18: Hoare triple {1095#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret45#1; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,005 INFO L272 TraceCheckUtils]: 19: Hoare triple {1095#(= ~pumpRunning~0 0)} call __utac_acc__Specification5_spec__2_#t~ret45#1 := isPumpRunning(); {1093#true} is VALID [2022-02-20 18:11:31,005 INFO L290 TraceCheckUtils]: 20: Hoare triple {1093#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {1093#true} is VALID [2022-02-20 18:11:31,005 INFO L290 TraceCheckUtils]: 21: Hoare triple {1093#true} assume true; {1093#true} is VALID [2022-02-20 18:11:31,006 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {1093#true} {1095#(= ~pumpRunning~0 0)} #183#return; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,006 INFO L290 TraceCheckUtils]: 23: Hoare triple {1095#(= ~pumpRunning~0 0)} assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret45#1 && __utac_acc__Specification5_spec__2_#t~ret45#1 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret45#1;havoc __utac_acc__Specification5_spec__2_#t~ret45#1; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,007 INFO L290 TraceCheckUtils]: 24: Hoare triple {1095#(= ~pumpRunning~0 0)} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,007 INFO L290 TraceCheckUtils]: 25: Hoare triple {1095#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,008 INFO L290 TraceCheckUtils]: 26: Hoare triple {1095#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,008 INFO L290 TraceCheckUtils]: 27: Hoare triple {1095#(= ~pumpRunning~0 0)} assume { :end_inline_processEnvironment } true; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,008 INFO L290 TraceCheckUtils]: 28: Hoare triple {1095#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret46#1, __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,009 INFO L290 TraceCheckUtils]: 29: Hoare triple {1095#(= ~pumpRunning~0 0)} __utac_acc__Specification5_spec__3_#t~ret46#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret46#1 && __utac_acc__Specification5_spec__3_#t~ret46#1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret46#1;havoc __utac_acc__Specification5_spec__3_#t~ret46#1; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,009 INFO L290 TraceCheckUtils]: 30: Hoare triple {1095#(= ~pumpRunning~0 0)} assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1; {1095#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:31,009 INFO L272 TraceCheckUtils]: 31: Hoare triple {1095#(= ~pumpRunning~0 0)} call __utac_acc__Specification5_spec__3_#t~ret47#1 := isPumpRunning(); {1093#true} is VALID [2022-02-20 18:11:31,010 INFO L290 TraceCheckUtils]: 32: Hoare triple {1093#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {1104#(= ~pumpRunning~0 |isPumpRunning_#res|)} is VALID [2022-02-20 18:11:31,010 INFO L290 TraceCheckUtils]: 33: Hoare triple {1104#(= ~pumpRunning~0 |isPumpRunning_#res|)} assume true; {1104#(= ~pumpRunning~0 |isPumpRunning_#res|)} is VALID [2022-02-20 18:11:31,011 INFO L284 TraceCheckUtils]: 34: Hoare quadruple {1104#(= ~pumpRunning~0 |isPumpRunning_#res|)} {1095#(= ~pumpRunning~0 0)} #185#return; {1102#(= 0 |timeShift___utac_acc__Specification5_spec__3_#t~ret47#1|)} is VALID [2022-02-20 18:11:31,011 INFO L290 TraceCheckUtils]: 35: Hoare triple {1102#(= 0 |timeShift___utac_acc__Specification5_spec__3_#t~ret47#1|)} assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret47#1 && __utac_acc__Specification5_spec__3_#t~ret47#1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; {1103#(= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~1#1| 0)} is VALID [2022-02-20 18:11:31,012 INFO L290 TraceCheckUtils]: 36: Hoare triple {1103#(= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~1#1| 0)} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1; {1094#false} is VALID [2022-02-20 18:11:31,012 INFO L290 TraceCheckUtils]: 37: Hoare triple {1094#false} assume 0 == ~switchedOnBeforeTS~0;assume { :begin_inline___automaton_fail } true; {1094#false} is VALID [2022-02-20 18:11:31,012 INFO L290 TraceCheckUtils]: 38: Hoare triple {1094#false} assume !false; {1094#false} is VALID [2022-02-20 18:11:31,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 18:11:31,013 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:11:31,013 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138183827] [2022-02-20 18:11:31,013 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138183827] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:11:31,013 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:11:31,013 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 18:11:31,014 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971354604] [2022-02-20 18:11:31,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:11:31,014 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2022-02-20 18:11:31,015 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:11:31,015 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:11:31,043 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:11:31,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 18:11:31,043 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:11:31,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 18:11:31,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 18:11:31,044 INFO L87 Difference]: Start difference. First operand 51 states and 62 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:11:31,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:31,200 INFO L93 Difference]: Finished difference Result 92 states and 114 transitions. [2022-02-20 18:11:31,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 18:11:31,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2022-02-20 18:11:31,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:11:31,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:11:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 114 transitions. [2022-02-20 18:11:31,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:11:31,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 114 transitions. [2022-02-20 18:11:31,213 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 114 transitions. [2022-02-20 18:11:31,288 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:11:31,289 INFO L225 Difference]: With dead ends: 92 [2022-02-20 18:11:31,289 INFO L226 Difference]: Without dead ends: 0 [2022-02-20 18:11:31,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-02-20 18:11:31,290 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 27 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:11:31,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 194 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:11:31,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-20 18:11:31,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-20 18:11:31,291 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:11:31,292 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:11:31,292 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:11:31,292 INFO L87 Difference]: Start difference. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:11:31,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:31,292 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:11:31,292 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:11:31,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:11:31,293 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:11:31,293 INFO L74 IsIncluded]: Start isIncluded. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-02-20 18:11:31,293 INFO L87 Difference]: Start difference. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-02-20 18:11:31,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:31,293 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:11:31,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:11:31,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:11:31,294 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:11:31,294 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:11:31,294 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:11:31,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:11:31,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-20 18:11:31,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-02-20 18:11:31,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:11:31,294 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-20 18:11:31,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 18:11:31,295 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:11:31,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:11:31,297 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 18:11:31,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 18:11:31,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-20 18:11:31,407 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: true [2022-02-20 18:11:31,407 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2022-02-20 18:11:31,407 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2022-02-20 18:11:31,407 INFO L861 garLoopResultBuilder]: At program point L803-2(lines 803 817) the Hoare annotation is: true [2022-02-20 18:11:31,408 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 793 822) no Hoare annotation was computed. [2022-02-20 18:11:31,408 INFO L861 garLoopResultBuilder]: At program point L799(line 799) the Hoare annotation is: true [2022-02-20 18:11:31,408 INFO L858 garLoopResultBuilder]: For program point L799-1(line 799) no Hoare annotation was computed. [2022-02-20 18:11:31,408 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 793 822) the Hoare annotation is: true [2022-02-20 18:11:31,408 INFO L861 garLoopResultBuilder]: At program point L818(lines 793 822) the Hoare annotation is: true [2022-02-20 18:11:31,408 INFO L858 garLoopResultBuilder]: For program point L814(line 814) no Hoare annotation was computed. [2022-02-20 18:11:31,408 INFO L858 garLoopResultBuilder]: For program point L807(lines 807 811) no Hoare annotation was computed. [2022-02-20 18:11:31,408 INFO L861 garLoopResultBuilder]: At program point L807-1(lines 807 811) the Hoare annotation is: true [2022-02-20 18:11:31,409 INFO L858 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2022-02-20 18:11:31,409 INFO L858 garLoopResultBuilder]: For program point L737(lines 737 743) no Hoare annotation was computed. [2022-02-20 18:11:31,409 INFO L858 garLoopResultBuilder]: For program point L700(line 700) no Hoare annotation was computed. [2022-02-20 18:11:31,409 INFO L861 garLoopResultBuilder]: At program point L721(lines 714 723) the Hoare annotation is: true [2022-02-20 18:11:31,409 INFO L858 garLoopResultBuilder]: For program point L527-1(lines 527 533) no Hoare annotation was computed. [2022-02-20 18:11:31,409 INFO L858 garLoopResultBuilder]: For program point L428(lines 428 432) no Hoare annotation was computed. [2022-02-20 18:11:31,409 INFO L854 garLoopResultBuilder]: At program point L428-2(lines 424 435) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:11:31,410 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 513 539) no Hoare annotation was computed. [2022-02-20 18:11:31,410 INFO L861 garLoopResultBuilder]: At program point L544(lines 540 546) the Hoare annotation is: true [2022-02-20 18:11:31,410 INFO L861 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: true [2022-02-20 18:11:31,410 INFO L858 garLoopResultBuilder]: For program point L734-1(line 734) no Hoare annotation was computed. [2022-02-20 18:11:31,410 INFO L854 garLoopResultBuilder]: At program point L701(lines 696 703) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:11:31,410 INFO L858 garLoopResultBuilder]: For program point L520(lines 520 526) no Hoare annotation was computed. [2022-02-20 18:11:31,410 INFO L858 garLoopResultBuilder]: For program point L520-2(lines 516 538) no Hoare annotation was computed. [2022-02-20 18:11:31,410 INFO L861 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: true [2022-02-20 18:11:31,411 INFO L858 garLoopResultBuilder]: For program point L719-1(line 719) no Hoare annotation was computed. [2022-02-20 18:11:31,411 INFO L858 garLoopResultBuilder]: For program point L736(lines 736 746) no Hoare annotation was computed. [2022-02-20 18:11:31,411 INFO L858 garLoopResultBuilder]: For program point L732(lines 732 749) no Hoare annotation was computed. [2022-02-20 18:11:31,411 INFO L861 garLoopResultBuilder]: At program point L732-1(lines 724 752) the Hoare annotation is: true [2022-02-20 18:11:31,411 INFO L861 garLoopResultBuilder]: At program point L497(lines 492 500) the Hoare annotation is: true [2022-02-20 18:11:31,411 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 513 539) the Hoare annotation is: true [2022-02-20 18:11:31,411 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 513 539) no Hoare annotation was computed. [2022-02-20 18:11:31,412 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 700) no Hoare annotation was computed. [2022-02-20 18:11:31,412 INFO L854 garLoopResultBuilder]: At program point L787(lines 782 790) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:11:31,412 INFO L858 garLoopResultBuilder]: For program point L659(lines 659 665) no Hoare annotation was computed. [2022-02-20 18:11:31,412 INFO L858 garLoopResultBuilder]: For program point L659-1(lines 659 665) no Hoare annotation was computed. [2022-02-20 18:11:31,412 INFO L854 garLoopResultBuilder]: At program point L684(lines 639 686) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:11:31,412 INFO L854 garLoopResultBuilder]: At program point L779(lines 775 781) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:11:31,412 INFO L854 garLoopResultBuilder]: At program point L651(line 651) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:11:31,413 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 18:11:31,413 INFO L861 garLoopResultBuilder]: At program point L862(lines 854 864) the Hoare annotation is: true [2022-02-20 18:11:31,413 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-20 18:11:31,413 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-20 18:11:31,413 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 882) no Hoare annotation was computed. [2022-02-20 18:11:31,413 INFO L858 garLoopResultBuilder]: For program point L875-2(lines 875 882) no Hoare annotation was computed. [2022-02-20 18:11:31,413 INFO L858 garLoopResultBuilder]: For program point L677(lines 677 681) no Hoare annotation was computed. [2022-02-20 18:11:31,413 INFO L854 garLoopResultBuilder]: At program point L772(lines 768 774) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:11:31,414 INFO L854 garLoopResultBuilder]: At program point L677-2(lines 669 682) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:11:31,414 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-20 18:11:31,414 INFO L858 garLoopResultBuilder]: For program point L640(lines 639 686) no Hoare annotation was computed. [2022-02-20 18:11:31,414 INFO L858 garLoopResultBuilder]: For program point L669(lines 669 682) no Hoare annotation was computed. [2022-02-20 18:11:31,414 INFO L854 garLoopResultBuilder]: At program point L661(line 661) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:11:31,414 INFO L861 garLoopResultBuilder]: At program point L884(lines 865 887) the Hoare annotation is: true [2022-02-20 18:11:31,414 INFO L854 garLoopResultBuilder]: At program point L851(lines 847 853) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:11:31,414 INFO L861 garLoopResultBuilder]: At program point L690(lines 629 694) the Hoare annotation is: true [2022-02-20 18:11:31,415 INFO L854 garLoopResultBuilder]: At program point L624(lines 619 626) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:11:31,415 INFO L858 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2022-02-20 18:11:31,415 INFO L858 garLoopResultBuilder]: For program point L649-1(lines 649 655) no Hoare annotation was computed. [2022-02-20 18:11:31,415 INFO L854 garLoopResultBuilder]: At program point L711(lines 706 713) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:11:31,415 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 645) no Hoare annotation was computed. [2022-02-20 18:11:31,415 INFO L854 garLoopResultBuilder]: At program point L687(lines 638 688) the Hoare annotation is: false [2022-02-20 18:11:31,415 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2022-02-20 18:11:31,415 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2022-02-20 18:11:31,416 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: true [2022-02-20 18:11:31,416 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 574 582) no Hoare annotation was computed. [2022-02-20 18:11:31,416 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 574 582) the Hoare annotation is: true [2022-02-20 18:11:31,416 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 574 582) no Hoare annotation was computed. [2022-02-20 18:11:31,418 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-20 18:11:31,419 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 18:11:31,421 WARN L170 areAnnotationChecker]: L452-1 has no Hoare annotation [2022-02-20 18:11:31,422 WARN L170 areAnnotationChecker]: L452-1 has no Hoare annotation [2022-02-20 18:11:31,422 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 18:11:31,422 WARN L170 areAnnotationChecker]: L440-1 has no Hoare annotation [2022-02-20 18:11:31,422 WARN L170 areAnnotationChecker]: L440-1 has no Hoare annotation [2022-02-20 18:11:31,422 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2022-02-20 18:11:31,422 WARN L170 areAnnotationChecker]: L452-1 has no Hoare annotation [2022-02-20 18:11:31,422 WARN L170 areAnnotationChecker]: L799-1 has no Hoare annotation [2022-02-20 18:11:31,422 WARN L170 areAnnotationChecker]: L719-1 has no Hoare annotation [2022-02-20 18:11:31,422 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 18:11:31,423 WARN L170 areAnnotationChecker]: L440-1 has no Hoare annotation [2022-02-20 18:11:31,423 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2022-02-20 18:11:31,423 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2022-02-20 18:11:31,423 WARN L170 areAnnotationChecker]: L799-1 has no Hoare annotation [2022-02-20 18:11:31,423 WARN L170 areAnnotationChecker]: L719-1 has no Hoare annotation [2022-02-20 18:11:31,424 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2022-02-20 18:11:31,424 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2022-02-20 18:11:31,424 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2022-02-20 18:11:31,424 WARN L170 areAnnotationChecker]: L659-1 has no Hoare annotation [2022-02-20 18:11:31,424 WARN L170 areAnnotationChecker]: L804 has no Hoare annotation [2022-02-20 18:11:31,424 WARN L170 areAnnotationChecker]: L520 has no Hoare annotation [2022-02-20 18:11:31,425 WARN L170 areAnnotationChecker]: L649-1 has no Hoare annotation [2022-02-20 18:11:31,425 WARN L170 areAnnotationChecker]: L734-1 has no Hoare annotation [2022-02-20 18:11:31,425 WARN L170 areAnnotationChecker]: L669 has no Hoare annotation [2022-02-20 18:11:31,425 WARN L170 areAnnotationChecker]: L669 has no Hoare annotation [2022-02-20 18:11:31,425 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:11:31,425 WARN L170 areAnnotationChecker]: L804 has no Hoare annotation [2022-02-20 18:11:31,425 WARN L170 areAnnotationChecker]: L520 has no Hoare annotation [2022-02-20 18:11:31,426 WARN L170 areAnnotationChecker]: L520 has no Hoare annotation [2022-02-20 18:11:31,426 WARN L170 areAnnotationChecker]: L875 has no Hoare annotation [2022-02-20 18:11:31,426 WARN L170 areAnnotationChecker]: L659 has no Hoare annotation [2022-02-20 18:11:31,426 WARN L170 areAnnotationChecker]: L659 has no Hoare annotation [2022-02-20 18:11:31,426 WARN L170 areAnnotationChecker]: L736 has no Hoare annotation [2022-02-20 18:11:31,426 WARN L170 areAnnotationChecker]: L736 has no Hoare annotation [2022-02-20 18:11:31,426 WARN L170 areAnnotationChecker]: L677 has no Hoare annotation [2022-02-20 18:11:31,427 WARN L170 areAnnotationChecker]: L677 has no Hoare annotation [2022-02-20 18:11:31,427 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:11:31,427 WARN L170 areAnnotationChecker]: L807 has no Hoare annotation [2022-02-20 18:11:31,427 WARN L170 areAnnotationChecker]: L807 has no Hoare annotation [2022-02-20 18:11:31,427 WARN L170 areAnnotationChecker]: L428 has no Hoare annotation [2022-02-20 18:11:31,427 WARN L170 areAnnotationChecker]: L428 has no Hoare annotation [2022-02-20 18:11:31,427 WARN L170 areAnnotationChecker]: L520-2 has no Hoare annotation [2022-02-20 18:11:31,427 WARN L170 areAnnotationChecker]: L520-2 has no Hoare annotation [2022-02-20 18:11:31,427 WARN L170 areAnnotationChecker]: L875 has no Hoare annotation [2022-02-20 18:11:31,427 WARN L170 areAnnotationChecker]: L875 has no Hoare annotation [2022-02-20 18:11:31,427 WARN L170 areAnnotationChecker]: L659-1 has no Hoare annotation [2022-02-20 18:11:31,428 WARN L170 areAnnotationChecker]: L737 has no Hoare annotation [2022-02-20 18:11:31,428 WARN L170 areAnnotationChecker]: L737 has no Hoare annotation [2022-02-20 18:11:31,428 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:11:31,428 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2022-02-20 18:11:31,428 WARN L170 areAnnotationChecker]: L520-2 has no Hoare annotation [2022-02-20 18:11:31,428 WARN L170 areAnnotationChecker]: L527-1 has no Hoare annotation [2022-02-20 18:11:31,428 WARN L170 areAnnotationChecker]: L527-1 has no Hoare annotation [2022-02-20 18:11:31,429 WARN L170 areAnnotationChecker]: L875-2 has no Hoare annotation [2022-02-20 18:11:31,429 WARN L170 areAnnotationChecker]: L700 has no Hoare annotation [2022-02-20 18:11:31,429 WARN L170 areAnnotationChecker]: L700 has no Hoare annotation [2022-02-20 18:11:31,429 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:11:31,429 WARN L170 areAnnotationChecker]: L640 has no Hoare annotation [2022-02-20 18:11:31,429 WARN L170 areAnnotationChecker]: L875-2 has no Hoare annotation [2022-02-20 18:11:31,430 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2022-02-20 18:11:31,430 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2022-02-20 18:11:31,430 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:11:31,430 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:11:31,430 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:11:31,430 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:11:31,430 WARN L170 areAnnotationChecker]: L640 has no Hoare annotation [2022-02-20 18:11:31,431 WARN L170 areAnnotationChecker]: L640 has no Hoare annotation [2022-02-20 18:11:31,431 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2022-02-20 18:11:31,431 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2022-02-20 18:11:31,431 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:11:31,431 WARN L170 areAnnotationChecker]: L641 has no Hoare annotation [2022-02-20 18:11:31,431 WARN L170 areAnnotationChecker]: L734-1 has no Hoare annotation [2022-02-20 18:11:31,431 WARN L170 areAnnotationChecker]: L649 has no Hoare annotation [2022-02-20 18:11:31,431 WARN L170 areAnnotationChecker]: L649 has no Hoare annotation [2022-02-20 18:11:31,431 WARN L170 areAnnotationChecker]: L649-1 has no Hoare annotation [2022-02-20 18:11:31,431 INFO L163 areAnnotationChecker]: CFG has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 18:11:31,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 06:11:31 BoogieIcfgContainer [2022-02-20 18:11:31,440 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 18:11:31,441 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 18:11:31,441 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 18:11:31,441 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 18:11:31,441 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:11:29" (3/4) ... [2022-02-20 18:11:31,443 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 18:11:31,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-02-20 18:11:31,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-02-20 18:11:31,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-02-20 18:11:31,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-02-20 18:11:31,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-02-20 18:11:31,451 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-02-20 18:11:31,451 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-02-20 18:11:31,452 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-02-20 18:11:31,452 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-02-20 18:11:31,452 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 18:11:31,452 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:11:31,452 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:11:31,479 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 18:11:31,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 18:11:31,480 INFO L158 Benchmark]: Toolchain (without parser) took 2931.94ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 54.8MB in the beginning and 79.6MB in the end (delta: -24.8MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2022-02-20 18:11:31,480 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory was 61.2MB in the beginning and 61.1MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:11:31,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.65ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.5MB in the beginning and 74.3MB in the end (delta: -19.8MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2022-02-20 18:11:31,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.29ms. Allocated memory is still 109.1MB. Free memory was 74.3MB in the beginning and 71.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 18:11:31,481 INFO L158 Benchmark]: Boogie Preprocessor took 33.20ms. Allocated memory is still 109.1MB. Free memory was 71.9MB in the beginning and 70.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:11:31,481 INFO L158 Benchmark]: RCFGBuilder took 467.34ms. Allocated memory is still 109.1MB. Free memory was 70.1MB in the beginning and 80.4MB in the end (delta: -10.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-02-20 18:11:31,481 INFO L158 Benchmark]: TraceAbstraction took 2008.33ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 80.0MB in the beginning and 83.8MB in the end (delta: -3.8MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2022-02-20 18:11:31,482 INFO L158 Benchmark]: Witness Printer took 38.44ms. Allocated memory is still 132.1MB. Free memory was 83.8MB in the beginning and 79.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 18:11:31,483 INFO L339 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 0.28ms. Allocated memory is still 90.2MB. Free memory was 61.2MB in the beginning and 61.1MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.65ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.5MB in the beginning and 74.3MB in the end (delta: -19.8MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.29ms. Allocated memory is still 109.1MB. Free memory was 74.3MB in the beginning and 71.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.20ms. Allocated memory is still 109.1MB. Free memory was 71.9MB in the beginning and 70.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 467.34ms. Allocated memory is still 109.1MB. Free memory was 70.1MB in the beginning and 80.4MB in the end (delta: -10.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2008.33ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 80.0MB in the beginning and 83.8MB in the end (delta: -3.8MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Witness Printer took 38.44ms. Allocated memory is still 132.1MB. Free memory was 83.8MB in the beginning and 79.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 700]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 446 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 260 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 114 PreInvPairs, 128 NumberOfFragments, 122 HoareAnnotationTreeSize, 114 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 160 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-02-20 18:11:31,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE