./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product01.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_product01.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 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:11:26,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:11:26,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:11:26,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:11:26,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:11:26,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:11:26,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:11:26,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:11:26,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:11:26,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:11:26,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:11:26,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:11:26,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:11:26,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:11:26,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:11:26,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:11:26,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:11:26,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:11:26,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:11:26,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:11:26,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:11:26,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:11:26,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:11:26,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:11:26,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:11:26,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:11:26,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:11:26,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:11:26,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:11:26,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:11:26,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:11:26,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:11:26,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:11:26,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:11:26,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:11:26,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:11:26,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:11:26,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:11:26,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:11:26,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:11:26,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:11:26,152 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:11:26,183 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:11:26,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:11:26,184 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:11:26,184 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:11:26,185 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:11:26,185 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:11:26,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:11:26,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:11:26,186 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:11:26,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:11:26,187 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:11:26,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:11:26,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:11:26,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:11:26,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:11:26,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:11:26,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:11:26,189 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:11:26,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:11:26,189 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:11:26,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:11:26,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:11:26,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:11:26,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:11:26,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:11:26,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:11:26,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:11:26,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:11:26,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:11:26,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:11:26,191 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:11:26,191 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:11:26,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:11:26,192 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 [2022-02-20 18:11:26,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:11:26,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:11:26,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:11:26,452 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:11:26,452 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:11:26,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2022-02-20 18:11:26,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/293f275b0/c94a284aa23246808b1ad866d697fdf4/FLAGf5a4d2575 [2022-02-20 18:11:26,999 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:11:27,000 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2022-02-20 18:11:27,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/293f275b0/c94a284aa23246808b1ad866d697fdf4/FLAGf5a4d2575 [2022-02-20 18:11:27,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/293f275b0/c94a284aa23246808b1ad866d697fdf4 [2022-02-20 18:11:27,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:11:27,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:11:27,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:11:27,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:11:27,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:11:27,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:11:27" (1/1) ... [2022-02-20 18:11:27,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d2534cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:27, skipping insertion in model container [2022-02-20 18:11:27,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:11:27" (1/1) ... [2022-02-20 18:11:27,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:11:27,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:11:27,685 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_product01.cil.c[17147,17160] [2022-02-20 18:11:27,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:11:27,696 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:11:27,786 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_product01.cil.c[17147,17160] [2022-02-20 18:11:27,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:11:27,802 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:11:27,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:27 WrapperNode [2022-02-20 18:11:27,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:11:27,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:11:27,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:11:27,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:11:27,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:27" (1/1) ... [2022-02-20 18:11:27,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:27" (1/1) ... [2022-02-20 18:11:27,877 INFO L137 Inliner]: procedures = 51, calls = 147, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 191 [2022-02-20 18:11:27,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:11:27,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:11:27,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:11:27,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:11:27,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:27" (1/1) ... [2022-02-20 18:11:27,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:27" (1/1) ... [2022-02-20 18:11:27,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:27" (1/1) ... [2022-02-20 18:11:27,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:27" (1/1) ... [2022-02-20 18:11:27,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:27" (1/1) ... [2022-02-20 18:11:27,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:27" (1/1) ... [2022-02-20 18:11:27,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:27" (1/1) ... [2022-02-20 18:11:27,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:11:27,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:11:27,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:11:27,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:11:27,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:27" (1/1) ... [2022-02-20 18:11:27,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:11:27,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:11:27,965 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 18:11:27,978 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 18:11:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:11:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-02-20 18:11:28,005 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-02-20 18:11:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-02-20 18:11:28,006 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-02-20 18:11:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-02-20 18:11:28,006 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-02-20 18:11:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-02-20 18:11:28,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-02-20 18:11:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:11:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-02-20 18:11:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-02-20 18:11:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:11:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:11:28,064 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:11:28,066 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:11:28,404 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:11:28,418 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:11:28,418 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 18:11:28,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:11:28 BoogieIcfgContainer [2022-02-20 18:11:28,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:11:28,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:11:28,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:11:28,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:11:28,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:11:27" (1/3) ... [2022-02-20 18:11:28,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58542af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:11:28, skipping insertion in model container [2022-02-20 18:11:28,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:11:27" (2/3) ... [2022-02-20 18:11:28,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58542af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:11:28, skipping insertion in model container [2022-02-20 18:11:28,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:11:28" (3/3) ... [2022-02-20 18:11:28,427 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2022-02-20 18:11:28,431 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:11:28,431 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 18:11:28,477 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:11:28,484 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 18:11:28,484 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 18:11:28,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 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 18:11:28,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-02-20 18:11:28,526 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:11:28,527 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 18:11:28,528 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:11:28,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:11:28,533 INFO L85 PathProgramCache]: Analyzing trace with hash -444733693, now seen corresponding path program 1 times [2022-02-20 18:11:28,541 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:11:28,542 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869034497] [2022-02-20 18:11:28,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:11:28,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:11:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:28,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-02-20 18:11:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:28,826 INFO L290 TraceCheckUtils]: 0: Hoare triple {71#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {71#true} is VALID [2022-02-20 18:11:28,826 INFO L290 TraceCheckUtils]: 1: Hoare triple {71#true} assume true; {71#true} is VALID [2022-02-20 18:11:28,827 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {71#true} {72#false} #177#return; {72#false} is VALID [2022-02-20 18:11:28,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 18:11:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:28,844 INFO L290 TraceCheckUtils]: 0: Hoare triple {71#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {71#true} is VALID [2022-02-20 18:11:28,844 INFO L290 TraceCheckUtils]: 1: Hoare triple {71#true} assume true; {71#true} is VALID [2022-02-20 18:11:28,845 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {71#true} {72#false} #179#return; {72#false} is VALID [2022-02-20 18:11:28,850 INFO L290 TraceCheckUtils]: 0: Hoare triple {71#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(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {71#true} is VALID [2022-02-20 18:11:28,851 INFO L290 TraceCheckUtils]: 1: Hoare triple {71#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {71#true} is VALID [2022-02-20 18:11:28,851 INFO L290 TraceCheckUtils]: 2: Hoare triple {71#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {71#true} is VALID [2022-02-20 18:11:28,851 INFO L290 TraceCheckUtils]: 3: Hoare triple {71#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; {71#true} is VALID [2022-02-20 18:11:28,852 INFO L290 TraceCheckUtils]: 4: Hoare triple {71#true} main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret9#1 && main_#t~ret9#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; {71#true} is VALID [2022-02-20 18:11:28,852 INFO L290 TraceCheckUtils]: 5: Hoare triple {71#true} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {71#true} is VALID [2022-02-20 18:11:28,853 INFO L290 TraceCheckUtils]: 6: Hoare triple {71#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; {71#true} is VALID [2022-02-20 18:11:28,853 INFO L290 TraceCheckUtils]: 7: Hoare triple {71#true} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {71#true} is VALID [2022-02-20 18:11:28,856 INFO L290 TraceCheckUtils]: 8: Hoare triple {71#true} assume false; {72#false} is VALID [2022-02-20 18:11:28,857 INFO L272 TraceCheckUtils]: 9: Hoare triple {72#false} call cleanup(); {72#false} is VALID [2022-02-20 18:11:28,857 INFO L290 TraceCheckUtils]: 10: Hoare triple {72#false} havoc ~i~0;havoc ~__cil_tmp2~0; {72#false} is VALID [2022-02-20 18:11:28,857 INFO L272 TraceCheckUtils]: 11: Hoare triple {72#false} call timeShift(); {72#false} is VALID [2022-02-20 18:11:28,857 INFO L290 TraceCheckUtils]: 12: Hoare triple {72#false} assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34#1; {72#false} is VALID [2022-02-20 18:11:28,858 INFO L272 TraceCheckUtils]: 13: Hoare triple {72#false} call __utac_acc__Specification5_spec__2_#t~ret34#1 := isPumpRunning(); {71#true} is VALID [2022-02-20 18:11:28,858 INFO L290 TraceCheckUtils]: 14: Hoare triple {71#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {71#true} is VALID [2022-02-20 18:11:28,858 INFO L290 TraceCheckUtils]: 15: Hoare triple {71#true} assume true; {71#true} is VALID [2022-02-20 18:11:28,859 INFO L284 TraceCheckUtils]: 16: Hoare quadruple {71#true} {72#false} #177#return; {72#false} is VALID [2022-02-20 18:11:28,859 INFO L290 TraceCheckUtils]: 17: Hoare triple {72#false} assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret34#1 && __utac_acc__Specification5_spec__2_#t~ret34#1 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34#1;havoc __utac_acc__Specification5_spec__2_#t~ret34#1; {72#false} is VALID [2022-02-20 18:11:28,859 INFO L290 TraceCheckUtils]: 18: Hoare triple {72#false} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {72#false} is VALID [2022-02-20 18:11:28,859 INFO L290 TraceCheckUtils]: 19: Hoare triple {72#false} assume !(0 != ~pumpRunning~0); {72#false} is VALID [2022-02-20 18:11:28,860 INFO L290 TraceCheckUtils]: 20: Hoare triple {72#false} assume !(0 != ~systemActive~0); {72#false} is VALID [2022-02-20 18:11:28,861 INFO L290 TraceCheckUtils]: 21: Hoare triple {72#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; {72#false} is VALID [2022-02-20 18:11:28,861 INFO L290 TraceCheckUtils]: 22: Hoare triple {72#false} __utac_acc__Specification5_spec__3_#t~ret35#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret35#1 && __utac_acc__Specification5_spec__3_#t~ret35#1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret35#1;havoc __utac_acc__Specification5_spec__3_#t~ret35#1; {72#false} is VALID [2022-02-20 18:11:28,861 INFO L290 TraceCheckUtils]: 23: Hoare triple {72#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1; {72#false} is VALID [2022-02-20 18:11:28,862 INFO L272 TraceCheckUtils]: 24: Hoare triple {72#false} call __utac_acc__Specification5_spec__3_#t~ret36#1 := isPumpRunning(); {71#true} is VALID [2022-02-20 18:11:28,862 INFO L290 TraceCheckUtils]: 25: Hoare triple {71#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {71#true} is VALID [2022-02-20 18:11:28,862 INFO L290 TraceCheckUtils]: 26: Hoare triple {71#true} assume true; {71#true} is VALID [2022-02-20 18:11:28,863 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {71#true} {72#false} #179#return; {72#false} is VALID [2022-02-20 18:11:28,863 INFO L290 TraceCheckUtils]: 28: Hoare triple {72#false} assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret36#1 && __utac_acc__Specification5_spec__3_#t~ret36#1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret36#1;havoc __utac_acc__Specification5_spec__3_#t~ret36#1; {72#false} is VALID [2022-02-20 18:11:28,863 INFO L290 TraceCheckUtils]: 29: Hoare triple {72#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1; {72#false} is VALID [2022-02-20 18:11:28,863 INFO L290 TraceCheckUtils]: 30: Hoare triple {72#false} assume 0 == ~switchedOnBeforeTS~0;assume { :begin_inline___automaton_fail } true; {72#false} is VALID [2022-02-20 18:11:28,864 INFO L290 TraceCheckUtils]: 31: Hoare triple {72#false} assume !false; {72#false} is VALID [2022-02-20 18:11:28,864 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 18:11:28,865 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:11:28,865 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869034497] [2022-02-20 18:11:28,866 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869034497] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:11:28,866 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:11:28,866 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 18:11:28,870 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986162104] [2022-02-20 18:11:28,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:11:28,875 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 18:11:28,877 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:11:28,881 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 18:11:28,933 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 18:11:28,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 18:11:28,933 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:11:28,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 18:11:28,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:11:28,958 INFO L87 Difference]: Start difference. First operand has 68 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 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 18:11:29,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:29,067 INFO L93 Difference]: Finished difference Result 127 states and 172 transitions. [2022-02-20 18:11:29,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 18:11:29,068 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 18:11:29,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:11:29,070 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 18:11:29,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 172 transitions. [2022-02-20 18:11:29,096 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 18:11:29,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 172 transitions. [2022-02-20 18:11:29,106 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 172 transitions. [2022-02-20 18:11:29,286 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 172 edges. 172 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:11:29,301 INFO L225 Difference]: With dead ends: 127 [2022-02-20 18:11:29,301 INFO L226 Difference]: Without dead ends: 59 [2022-02-20 18:11:29,305 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 18:11:29,308 INFO L933 BasicCegarLoop]: 83 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, 83 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 18:11:29,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:11:29,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-02-20 18:11:29,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-02-20 18:11:29,339 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:11:29,340 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand has 59 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 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 18:11:29,341 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand has 59 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 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 18:11:29,341 INFO L87 Difference]: Start difference. First operand 59 states. Second operand has 59 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 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 18:11:29,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:29,346 INFO L93 Difference]: Finished difference Result 59 states and 74 transitions. [2022-02-20 18:11:29,346 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2022-02-20 18:11:29,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:11:29,347 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:11:29,348 INFO L74 IsIncluded]: Start isIncluded. First operand has 59 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 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 59 states. [2022-02-20 18:11:29,348 INFO L87 Difference]: Start difference. First operand has 59 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 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 59 states. [2022-02-20 18:11:29,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:29,351 INFO L93 Difference]: Finished difference Result 59 states and 74 transitions. [2022-02-20 18:11:29,352 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2022-02-20 18:11:29,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:11:29,353 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:11:29,353 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:11:29,353 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:11:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 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 18:11:29,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2022-02-20 18:11:29,358 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 32 [2022-02-20 18:11:29,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:11:29,358 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2022-02-20 18:11:29,358 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 18:11:29,358 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2022-02-20 18:11:29,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-02-20 18:11:29,360 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:11:29,360 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 18:11:29,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:11:29,360 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:11:29,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:11:29,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1121452582, now seen corresponding path program 1 times [2022-02-20 18:11:29,361 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:11:29,361 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127055810] [2022-02-20 18:11:29,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:11:29,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:11:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:29,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 18:11:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:29,428 INFO L290 TraceCheckUtils]: 0: Hoare triple {464#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {464#true} is VALID [2022-02-20 18:11:29,428 INFO L290 TraceCheckUtils]: 1: Hoare triple {464#true} assume true; {464#true} is VALID [2022-02-20 18:11:29,428 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {464#true} {465#false} #177#return; {465#false} is VALID [2022-02-20 18:11:29,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 18:11:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:29,447 INFO L290 TraceCheckUtils]: 0: Hoare triple {464#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {464#true} is VALID [2022-02-20 18:11:29,447 INFO L290 TraceCheckUtils]: 1: Hoare triple {464#true} assume true; {464#true} is VALID [2022-02-20 18:11:29,447 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {464#true} {465#false} #179#return; {465#false} is VALID [2022-02-20 18:11:29,447 INFO L290 TraceCheckUtils]: 0: Hoare triple {464#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(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {464#true} is VALID [2022-02-20 18:11:29,448 INFO L290 TraceCheckUtils]: 1: Hoare triple {464#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {464#true} is VALID [2022-02-20 18:11:29,448 INFO L290 TraceCheckUtils]: 2: Hoare triple {464#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {464#true} is VALID [2022-02-20 18:11:29,448 INFO L290 TraceCheckUtils]: 3: Hoare triple {464#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; {464#true} is VALID [2022-02-20 18:11:29,448 INFO L290 TraceCheckUtils]: 4: Hoare triple {464#true} main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret9#1 && main_#t~ret9#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; {464#true} is VALID [2022-02-20 18:11:29,448 INFO L290 TraceCheckUtils]: 5: Hoare triple {464#true} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {464#true} is VALID [2022-02-20 18:11:29,448 INFO L290 TraceCheckUtils]: 6: Hoare triple {464#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; {464#true} is VALID [2022-02-20 18:11:29,449 INFO L290 TraceCheckUtils]: 7: Hoare triple {464#true} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {466#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:11:29,450 INFO L290 TraceCheckUtils]: 8: Hoare triple {466#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !false; {466#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:11:29,450 INFO L290 TraceCheckUtils]: 9: Hoare triple {466#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !(test_~splverifierCounter~0#1 < 4); {465#false} is VALID [2022-02-20 18:11:29,450 INFO L272 TraceCheckUtils]: 10: Hoare triple {465#false} call cleanup(); {465#false} is VALID [2022-02-20 18:11:29,450 INFO L290 TraceCheckUtils]: 11: Hoare triple {465#false} havoc ~i~0;havoc ~__cil_tmp2~0; {465#false} is VALID [2022-02-20 18:11:29,451 INFO L272 TraceCheckUtils]: 12: Hoare triple {465#false} call timeShift(); {465#false} is VALID [2022-02-20 18:11:29,451 INFO L290 TraceCheckUtils]: 13: Hoare triple {465#false} assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34#1; {465#false} is VALID [2022-02-20 18:11:29,451 INFO L272 TraceCheckUtils]: 14: Hoare triple {465#false} call __utac_acc__Specification5_spec__2_#t~ret34#1 := isPumpRunning(); {464#true} is VALID [2022-02-20 18:11:29,451 INFO L290 TraceCheckUtils]: 15: Hoare triple {464#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {464#true} is VALID [2022-02-20 18:11:29,451 INFO L290 TraceCheckUtils]: 16: Hoare triple {464#true} assume true; {464#true} is VALID [2022-02-20 18:11:29,452 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {464#true} {465#false} #177#return; {465#false} is VALID [2022-02-20 18:11:29,452 INFO L290 TraceCheckUtils]: 18: Hoare triple {465#false} assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret34#1 && __utac_acc__Specification5_spec__2_#t~ret34#1 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34#1;havoc __utac_acc__Specification5_spec__2_#t~ret34#1; {465#false} is VALID [2022-02-20 18:11:29,452 INFO L290 TraceCheckUtils]: 19: Hoare triple {465#false} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {465#false} is VALID [2022-02-20 18:11:29,452 INFO L290 TraceCheckUtils]: 20: Hoare triple {465#false} assume !(0 != ~pumpRunning~0); {465#false} is VALID [2022-02-20 18:11:29,452 INFO L290 TraceCheckUtils]: 21: Hoare triple {465#false} assume !(0 != ~systemActive~0); {465#false} is VALID [2022-02-20 18:11:29,453 INFO L290 TraceCheckUtils]: 22: Hoare triple {465#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; {465#false} is VALID [2022-02-20 18:11:29,453 INFO L290 TraceCheckUtils]: 23: Hoare triple {465#false} __utac_acc__Specification5_spec__3_#t~ret35#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret35#1 && __utac_acc__Specification5_spec__3_#t~ret35#1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret35#1;havoc __utac_acc__Specification5_spec__3_#t~ret35#1; {465#false} is VALID [2022-02-20 18:11:29,453 INFO L290 TraceCheckUtils]: 24: Hoare triple {465#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1; {465#false} is VALID [2022-02-20 18:11:29,453 INFO L272 TraceCheckUtils]: 25: Hoare triple {465#false} call __utac_acc__Specification5_spec__3_#t~ret36#1 := isPumpRunning(); {464#true} is VALID [2022-02-20 18:11:29,453 INFO L290 TraceCheckUtils]: 26: Hoare triple {464#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {464#true} is VALID [2022-02-20 18:11:29,453 INFO L290 TraceCheckUtils]: 27: Hoare triple {464#true} assume true; {464#true} is VALID [2022-02-20 18:11:29,454 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {464#true} {465#false} #179#return; {465#false} is VALID [2022-02-20 18:11:29,454 INFO L290 TraceCheckUtils]: 29: Hoare triple {465#false} assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret36#1 && __utac_acc__Specification5_spec__3_#t~ret36#1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret36#1;havoc __utac_acc__Specification5_spec__3_#t~ret36#1; {465#false} is VALID [2022-02-20 18:11:29,454 INFO L290 TraceCheckUtils]: 30: Hoare triple {465#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1; {465#false} is VALID [2022-02-20 18:11:29,454 INFO L290 TraceCheckUtils]: 31: Hoare triple {465#false} assume 0 == ~switchedOnBeforeTS~0;assume { :begin_inline___automaton_fail } true; {465#false} is VALID [2022-02-20 18:11:29,454 INFO L290 TraceCheckUtils]: 32: Hoare triple {465#false} assume !false; {465#false} is VALID [2022-02-20 18:11:29,455 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 18:11:29,455 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:11:29,455 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127055810] [2022-02-20 18:11:29,455 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127055810] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:11:29,455 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:11:29,456 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:11:29,456 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842381200] [2022-02-20 18:11:29,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:11:29,457 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 18:11:29,458 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:11:29,458 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 18:11:29,495 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 18:11:29,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:11:29,497 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:11:29,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:11:29,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:11:29,498 INFO L87 Difference]: Start difference. First operand 59 states and 74 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 18:11:29,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:29,581 INFO L93 Difference]: Finished difference Result 83 states and 103 transitions. [2022-02-20 18:11:29,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:11:29,582 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 18:11:29,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:11:29,582 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 18:11:29,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 103 transitions. [2022-02-20 18:11:29,586 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 18:11:29,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 103 transitions. [2022-02-20 18:11:29,589 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 103 transitions. [2022-02-20 18:11:29,696 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:11:29,698 INFO L225 Difference]: With dead ends: 83 [2022-02-20 18:11:29,698 INFO L226 Difference]: Without dead ends: 50 [2022-02-20 18:11:29,699 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 18:11:29,700 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 12 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 106 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 18:11:29,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 106 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:11:29,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-02-20 18:11:29,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-02-20 18:11:29,706 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:11:29,706 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand has 50 states, 40 states have (on average 1.3) internal successors, (52), 43 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 18:11:29,707 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand has 50 states, 40 states have (on average 1.3) internal successors, (52), 43 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 18:11:29,707 INFO L87 Difference]: Start difference. First operand 50 states. Second operand has 50 states, 40 states have (on average 1.3) internal successors, (52), 43 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 18:11:29,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:29,710 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions. [2022-02-20 18:11:29,710 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-02-20 18:11:29,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:11:29,710 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:11:29,711 INFO L74 IsIncluded]: Start isIncluded. First operand has 50 states, 40 states have (on average 1.3) internal successors, (52), 43 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 50 states. [2022-02-20 18:11:29,711 INFO L87 Difference]: Start difference. First operand has 50 states, 40 states have (on average 1.3) internal successors, (52), 43 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 50 states. [2022-02-20 18:11:29,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:29,714 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions. [2022-02-20 18:11:29,714 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-02-20 18:11:29,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:11:29,714 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:11:29,715 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:11:29,715 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:11:29,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 40 states have (on average 1.3) internal successors, (52), 43 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 18:11:29,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2022-02-20 18:11:29,717 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 33 [2022-02-20 18:11:29,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:11:29,718 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2022-02-20 18:11:29,718 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 18:11:29,718 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-02-20 18:11:29,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-20 18:11:29,719 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:11:29,720 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] [2022-02-20 18:11:29,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:11:29,720 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:11:29,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:11:29,721 INFO L85 PathProgramCache]: Analyzing trace with hash -70538952, now seen corresponding path program 1 times [2022-02-20 18:11:29,721 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:11:29,721 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256983344] [2022-02-20 18:11:29,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:11:29,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:11:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:29,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-20 18:11:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:29,828 INFO L290 TraceCheckUtils]: 0: Hoare triple {762#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {762#true} is VALID [2022-02-20 18:11:29,828 INFO L290 TraceCheckUtils]: 1: Hoare triple {762#true} assume true; {762#true} is VALID [2022-02-20 18:11:29,829 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {762#true} {764#(= 1 ~systemActive~0)} #177#return; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-02-20 18:11:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:29,839 INFO L290 TraceCheckUtils]: 0: Hoare triple {762#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {762#true} is VALID [2022-02-20 18:11:29,840 INFO L290 TraceCheckUtils]: 1: Hoare triple {762#true} assume true; {762#true} is VALID [2022-02-20 18:11:29,840 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {762#true} {763#false} #179#return; {763#false} is VALID [2022-02-20 18:11:29,851 INFO L290 TraceCheckUtils]: 0: Hoare triple {762#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(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,855 INFO L290 TraceCheckUtils]: 1: Hoare triple {764#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,856 INFO L290 TraceCheckUtils]: 2: Hoare triple {764#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,859 INFO L290 TraceCheckUtils]: 3: Hoare triple {764#(= 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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,860 INFO L290 TraceCheckUtils]: 4: Hoare triple {764#(= 1 ~systemActive~0)} main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret9#1 && main_#t~ret9#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,860 INFO L290 TraceCheckUtils]: 5: Hoare triple {764#(= 1 ~systemActive~0)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,861 INFO L290 TraceCheckUtils]: 6: Hoare triple {764#(= 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; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,862 INFO L290 TraceCheckUtils]: 7: Hoare triple {764#(= 1 ~systemActive~0)} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,862 INFO L290 TraceCheckUtils]: 8: Hoare triple {764#(= 1 ~systemActive~0)} assume !false; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,864 INFO L290 TraceCheckUtils]: 9: Hoare triple {764#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0#1 < 4; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,865 INFO L290 TraceCheckUtils]: 10: Hoare triple {764#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet37#1 && test_#t~nondet37#1 <= 2147483647;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,866 INFO L290 TraceCheckUtils]: 11: Hoare triple {764#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~5#1); {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,866 INFO L290 TraceCheckUtils]: 12: Hoare triple {764#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet38#1 && test_#t~nondet38#1 <= 2147483647;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,867 INFO L290 TraceCheckUtils]: 13: Hoare triple {764#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~1#1); {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,868 INFO L290 TraceCheckUtils]: 14: Hoare triple {764#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet39#1 && test_#t~nondet39#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,868 INFO L290 TraceCheckUtils]: 15: Hoare triple {764#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0#1; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,869 INFO L272 TraceCheckUtils]: 16: Hoare triple {764#(= 1 ~systemActive~0)} call timeShift(); {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,873 INFO L290 TraceCheckUtils]: 17: Hoare triple {764#(= 1 ~systemActive~0)} assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34#1; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,874 INFO L272 TraceCheckUtils]: 18: Hoare triple {764#(= 1 ~systemActive~0)} call __utac_acc__Specification5_spec__2_#t~ret34#1 := isPumpRunning(); {762#true} is VALID [2022-02-20 18:11:29,874 INFO L290 TraceCheckUtils]: 19: Hoare triple {762#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {762#true} is VALID [2022-02-20 18:11:29,874 INFO L290 TraceCheckUtils]: 20: Hoare triple {762#true} assume true; {762#true} is VALID [2022-02-20 18:11:29,877 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {762#true} {764#(= 1 ~systemActive~0)} #177#return; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,878 INFO L290 TraceCheckUtils]: 22: Hoare triple {764#(= 1 ~systemActive~0)} assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret34#1 && __utac_acc__Specification5_spec__2_#t~ret34#1 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34#1;havoc __utac_acc__Specification5_spec__2_#t~ret34#1; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,878 INFO L290 TraceCheckUtils]: 23: Hoare triple {764#(= 1 ~systemActive~0)} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,880 INFO L290 TraceCheckUtils]: 24: Hoare triple {764#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {764#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:11:29,880 INFO L290 TraceCheckUtils]: 25: Hoare triple {764#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {763#false} is VALID [2022-02-20 18:11:29,881 INFO L290 TraceCheckUtils]: 26: Hoare triple {763#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; {763#false} is VALID [2022-02-20 18:11:29,881 INFO L290 TraceCheckUtils]: 27: Hoare triple {763#false} __utac_acc__Specification5_spec__3_#t~ret35#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret35#1 && __utac_acc__Specification5_spec__3_#t~ret35#1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret35#1;havoc __utac_acc__Specification5_spec__3_#t~ret35#1; {763#false} is VALID [2022-02-20 18:11:29,882 INFO L290 TraceCheckUtils]: 28: Hoare triple {763#false} assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1; {763#false} is VALID [2022-02-20 18:11:29,882 INFO L272 TraceCheckUtils]: 29: Hoare triple {763#false} call __utac_acc__Specification5_spec__3_#t~ret36#1 := isPumpRunning(); {762#true} is VALID [2022-02-20 18:11:29,882 INFO L290 TraceCheckUtils]: 30: Hoare triple {762#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {762#true} is VALID [2022-02-20 18:11:29,882 INFO L290 TraceCheckUtils]: 31: Hoare triple {762#true} assume true; {762#true} is VALID [2022-02-20 18:11:29,884 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {762#true} {763#false} #179#return; {763#false} is VALID [2022-02-20 18:11:29,884 INFO L290 TraceCheckUtils]: 33: Hoare triple {763#false} assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret36#1 && __utac_acc__Specification5_spec__3_#t~ret36#1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret36#1;havoc __utac_acc__Specification5_spec__3_#t~ret36#1; {763#false} is VALID [2022-02-20 18:11:29,884 INFO L290 TraceCheckUtils]: 34: Hoare triple {763#false} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1; {763#false} is VALID [2022-02-20 18:11:29,885 INFO L290 TraceCheckUtils]: 35: Hoare triple {763#false} assume 0 == ~switchedOnBeforeTS~0;assume { :begin_inline___automaton_fail } true; {763#false} is VALID [2022-02-20 18:11:29,886 INFO L290 TraceCheckUtils]: 36: Hoare triple {763#false} assume !false; {763#false} is VALID [2022-02-20 18:11:29,886 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 18:11:29,887 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:11:29,887 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256983344] [2022-02-20 18:11:29,888 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256983344] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:11:29,888 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:11:29,889 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:11:29,889 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020823616] [2022-02-20 18:11:29,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:11:29,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 37 [2022-02-20 18:11:29,891 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:11:29,891 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 18:11:29,926 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:11:29,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:11:29,927 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:11:29,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:11:29,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:11:29,928 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 18:11:30,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:30,011 INFO L93 Difference]: Finished difference Result 92 states and 117 transitions. [2022-02-20 18:11:30,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:11:30,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 37 [2022-02-20 18:11:30,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:11:30,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 18:11:30,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 117 transitions. [2022-02-20 18:11:30,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 18:11:30,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 117 transitions. [2022-02-20 18:11:30,021 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 117 transitions. [2022-02-20 18:11:30,142 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:11:30,145 INFO L225 Difference]: With dead ends: 92 [2022-02-20 18:11:30,145 INFO L226 Difference]: Without dead ends: 50 [2022-02-20 18:11:30,146 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 18:11:30,148 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 39 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 60 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 18:11:30,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 60 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:11:30,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-02-20 18:11:30,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-02-20 18:11:30,159 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:11:30,159 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand has 50 states, 40 states have (on average 1.275) internal successors, (51), 43 states have internal predecessors, (51), 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 18:11:30,159 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand has 50 states, 40 states have (on average 1.275) internal successors, (51), 43 states have internal predecessors, (51), 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 18:11:30,160 INFO L87 Difference]: Start difference. First operand 50 states. Second operand has 50 states, 40 states have (on average 1.275) internal successors, (51), 43 states have internal predecessors, (51), 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 18:11:30,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:30,161 INFO L93 Difference]: Finished difference Result 50 states and 61 transitions. [2022-02-20 18:11:30,162 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2022-02-20 18:11:30,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:11:30,162 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:11:30,163 INFO L74 IsIncluded]: Start isIncluded. First operand has 50 states, 40 states have (on average 1.275) internal successors, (51), 43 states have internal predecessors, (51), 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 50 states. [2022-02-20 18:11:30,163 INFO L87 Difference]: Start difference. First operand has 50 states, 40 states have (on average 1.275) internal successors, (51), 43 states have internal predecessors, (51), 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 50 states. [2022-02-20 18:11:30,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:30,165 INFO L93 Difference]: Finished difference Result 50 states and 61 transitions. [2022-02-20 18:11:30,165 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2022-02-20 18:11:30,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:11:30,165 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:11:30,165 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:11:30,165 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:11:30,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 40 states have (on average 1.275) internal successors, (51), 43 states have internal predecessors, (51), 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 18:11:30,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2022-02-20 18:11:30,168 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 37 [2022-02-20 18:11:30,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:11:30,168 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2022-02-20 18:11:30,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 18:11:30,168 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2022-02-20 18:11:30,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-20 18:11:30,171 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:11:30,171 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 18:11:30,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:11:30,172 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:11:30,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:11:30,172 INFO L85 PathProgramCache]: Analyzing trace with hash -2006243142, now seen corresponding path program 1 times [2022-02-20 18:11:30,172 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:11:30,173 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055095465] [2022-02-20 18:11:30,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:11:30,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:11:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:30,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-20 18:11:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:30,263 INFO L290 TraceCheckUtils]: 0: Hoare triple {1070#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {1070#true} is VALID [2022-02-20 18:11:30,263 INFO L290 TraceCheckUtils]: 1: Hoare triple {1070#true} assume true; {1070#true} is VALID [2022-02-20 18:11:30,268 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1070#true} {1072#(= ~pumpRunning~0 0)} #177#return; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-02-20 18:11:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:11:30,292 INFO L290 TraceCheckUtils]: 0: Hoare triple {1070#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {1081#(= ~pumpRunning~0 |isPumpRunning_#res|)} is VALID [2022-02-20 18:11:30,296 INFO L290 TraceCheckUtils]: 1: Hoare triple {1081#(= ~pumpRunning~0 |isPumpRunning_#res|)} assume true; {1081#(= ~pumpRunning~0 |isPumpRunning_#res|)} is VALID [2022-02-20 18:11:30,297 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1081#(= ~pumpRunning~0 |isPumpRunning_#res|)} {1072#(= ~pumpRunning~0 0)} #179#return; {1079#(= 0 |timeShift___utac_acc__Specification5_spec__3_#t~ret36#1|)} is VALID [2022-02-20 18:11:30,297 INFO L290 TraceCheckUtils]: 0: Hoare triple {1070#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(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,298 INFO L290 TraceCheckUtils]: 1: Hoare triple {1072#(= ~pumpRunning~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,298 INFO L290 TraceCheckUtils]: 2: Hoare triple {1072#(= ~pumpRunning~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,299 INFO L290 TraceCheckUtils]: 3: Hoare triple {1072#(= ~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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,299 INFO L290 TraceCheckUtils]: 4: Hoare triple {1072#(= ~pumpRunning~0 0)} main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret9#1 && main_#t~ret9#1 <= 2147483647;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,300 INFO L290 TraceCheckUtils]: 5: Hoare triple {1072#(= ~pumpRunning~0 0)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,300 INFO L290 TraceCheckUtils]: 6: Hoare triple {1072#(= ~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; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,301 INFO L290 TraceCheckUtils]: 7: Hoare triple {1072#(= ~pumpRunning~0 0)} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,302 INFO L290 TraceCheckUtils]: 8: Hoare triple {1072#(= ~pumpRunning~0 0)} assume !false; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,302 INFO L290 TraceCheckUtils]: 9: Hoare triple {1072#(= ~pumpRunning~0 0)} assume test_~splverifierCounter~0#1 < 4; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,302 INFO L290 TraceCheckUtils]: 10: Hoare triple {1072#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet37#1 && test_#t~nondet37#1 <= 2147483647;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,303 INFO L290 TraceCheckUtils]: 11: Hoare triple {1072#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp~5#1); {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,303 INFO L290 TraceCheckUtils]: 12: Hoare triple {1072#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet38#1 && test_#t~nondet38#1 <= 2147483647;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,304 INFO L290 TraceCheckUtils]: 13: Hoare triple {1072#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___0~1#1); {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,304 INFO L290 TraceCheckUtils]: 14: Hoare triple {1072#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet39#1 && test_#t~nondet39#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,305 INFO L290 TraceCheckUtils]: 15: Hoare triple {1072#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___2~0#1; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,305 INFO L272 TraceCheckUtils]: 16: Hoare triple {1072#(= ~pumpRunning~0 0)} call timeShift(); {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,306 INFO L290 TraceCheckUtils]: 17: Hoare triple {1072#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34#1; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,306 INFO L272 TraceCheckUtils]: 18: Hoare triple {1072#(= ~pumpRunning~0 0)} call __utac_acc__Specification5_spec__2_#t~ret34#1 := isPumpRunning(); {1070#true} is VALID [2022-02-20 18:11:30,306 INFO L290 TraceCheckUtils]: 19: Hoare triple {1070#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {1070#true} is VALID [2022-02-20 18:11:30,306 INFO L290 TraceCheckUtils]: 20: Hoare triple {1070#true} assume true; {1070#true} is VALID [2022-02-20 18:11:30,307 INFO L284 TraceCheckUtils]: 21: Hoare quadruple {1070#true} {1072#(= ~pumpRunning~0 0)} #177#return; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,307 INFO L290 TraceCheckUtils]: 22: Hoare triple {1072#(= ~pumpRunning~0 0)} assume -2147483648 <= __utac_acc__Specification5_spec__2_#t~ret34#1 && __utac_acc__Specification5_spec__2_#t~ret34#1 <= 2147483647;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34#1;havoc __utac_acc__Specification5_spec__2_#t~ret34#1; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,308 INFO L290 TraceCheckUtils]: 23: Hoare triple {1072#(= ~pumpRunning~0 0)} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,308 INFO L290 TraceCheckUtils]: 24: Hoare triple {1072#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,309 INFO L290 TraceCheckUtils]: 25: Hoare triple {1072#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,309 INFO L290 TraceCheckUtils]: 26: Hoare triple {1072#(= ~pumpRunning~0 0)} assume { :end_inline_processEnvironment } true; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,310 INFO L290 TraceCheckUtils]: 27: Hoare triple {1072#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,310 INFO L290 TraceCheckUtils]: 28: Hoare triple {1072#(= ~pumpRunning~0 0)} __utac_acc__Specification5_spec__3_#t~ret35#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret35#1 && __utac_acc__Specification5_spec__3_#t~ret35#1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret35#1;havoc __utac_acc__Specification5_spec__3_#t~ret35#1; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,310 INFO L290 TraceCheckUtils]: 29: Hoare triple {1072#(= ~pumpRunning~0 0)} assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1; {1072#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:11:30,311 INFO L272 TraceCheckUtils]: 30: Hoare triple {1072#(= ~pumpRunning~0 0)} call __utac_acc__Specification5_spec__3_#t~ret36#1 := isPumpRunning(); {1070#true} is VALID [2022-02-20 18:11:30,311 INFO L290 TraceCheckUtils]: 31: Hoare triple {1070#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~pumpRunning~0;#res := ~retValue_acc~9; {1081#(= ~pumpRunning~0 |isPumpRunning_#res|)} is VALID [2022-02-20 18:11:30,312 INFO L290 TraceCheckUtils]: 32: Hoare triple {1081#(= ~pumpRunning~0 |isPumpRunning_#res|)} assume true; {1081#(= ~pumpRunning~0 |isPumpRunning_#res|)} is VALID [2022-02-20 18:11:30,313 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {1081#(= ~pumpRunning~0 |isPumpRunning_#res|)} {1072#(= ~pumpRunning~0 0)} #179#return; {1079#(= 0 |timeShift___utac_acc__Specification5_spec__3_#t~ret36#1|)} is VALID [2022-02-20 18:11:30,314 INFO L290 TraceCheckUtils]: 34: Hoare triple {1079#(= 0 |timeShift___utac_acc__Specification5_spec__3_#t~ret36#1|)} assume -2147483648 <= __utac_acc__Specification5_spec__3_#t~ret36#1 && __utac_acc__Specification5_spec__3_#t~ret36#1 <= 2147483647;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret36#1;havoc __utac_acc__Specification5_spec__3_#t~ret36#1; {1080#(= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 0)} is VALID [2022-02-20 18:11:30,314 INFO L290 TraceCheckUtils]: 35: Hoare triple {1080#(= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 0)} assume 0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1; {1071#false} is VALID [2022-02-20 18:11:30,314 INFO L290 TraceCheckUtils]: 36: Hoare triple {1071#false} assume 0 == ~switchedOnBeforeTS~0;assume { :begin_inline___automaton_fail } true; {1071#false} is VALID [2022-02-20 18:11:30,316 INFO L290 TraceCheckUtils]: 37: Hoare triple {1071#false} assume !false; {1071#false} is VALID [2022-02-20 18:11:30,316 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 18:11:30,317 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:11:30,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055095465] [2022-02-20 18:11:30,318 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055095465] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:11:30,318 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:11:30,318 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 18:11:30,318 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559124136] [2022-02-20 18:11:30,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:11:30,319 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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 38 [2022-02-20 18:11:30,320 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:11:30,321 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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 18:11:30,350 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:11:30,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 18:11:30,350 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:11:30,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 18:11:30,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 18:11:30,352 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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 18:11:30,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:30,528 INFO L93 Difference]: Finished difference Result 90 states and 112 transitions. [2022-02-20 18:11:30,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 18:11:30,528 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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 38 [2022-02-20 18:11:30,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:11:30,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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 18:11:30,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 112 transitions. [2022-02-20 18:11:30,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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 18:11:30,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 112 transitions. [2022-02-20 18:11:30,533 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 112 transitions. [2022-02-20 18:11:30,613 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 112 edges. 112 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:11:30,613 INFO L225 Difference]: With dead ends: 90 [2022-02-20 18:11:30,613 INFO L226 Difference]: Without dead ends: 0 [2022-02-20 18:11:30,614 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 18:11:30,615 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 27 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 190 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 18:11:30,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 190 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:11:30,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-20 18:11:30,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-20 18:11:30,616 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:11:30,616 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 18:11:30,616 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 18:11:30,616 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 18:11:30,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:30,617 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:11:30,617 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:11:30,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:11:30,617 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:11:30,617 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 18:11:30,617 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 18:11:30,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:11:30,618 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:11:30,618 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:11:30,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:11:30,618 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:11:30,618 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:11:30,618 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:11:30,618 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 18:11:30,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-20 18:11:30,619 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-02-20 18:11:30,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:11:30,619 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-20 18:11:30,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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 18:11:30,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:11:30,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:11:30,622 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 18:11:30,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 18:11:30,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-20 18:11:30,760 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: true [2022-02-20 18:11:30,760 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-02-20 18:11:30,761 INFO L858 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2022-02-20 18:11:30,761 INFO L861 garLoopResultBuilder]: At program point L659(lines 652 661) the Hoare annotation is: true [2022-02-20 18:11:30,761 INFO L854 garLoopResultBuilder]: At program point L874(lines 869 876) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:11:30,761 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 762 788) no Hoare annotation was computed. [2022-02-20 18:11:30,762 INFO L861 garLoopResultBuilder]: At program point L131(lines 126 134) the Hoare annotation is: true [2022-02-20 18:11:30,762 INFO L861 garLoopResultBuilder]: At program point L672(line 672) the Hoare annotation is: true [2022-02-20 18:11:30,762 INFO L858 garLoopResultBuilder]: For program point L672-1(line 672) no Hoare annotation was computed. [2022-02-20 18:11:30,762 INFO L858 garLoopResultBuilder]: For program point L776-1(lines 776 782) no Hoare annotation was computed. [2022-02-20 18:11:30,762 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2022-02-20 18:11:30,763 INFO L854 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:11:30,763 INFO L861 garLoopResultBuilder]: At program point L793(lines 789 795) the Hoare annotation is: true [2022-02-20 18:11:30,763 INFO L861 garLoopResultBuilder]: At program point L657(line 657) the Hoare annotation is: true [2022-02-20 18:11:30,763 INFO L858 garLoopResultBuilder]: For program point L657-1(line 657) no Hoare annotation was computed. [2022-02-20 18:11:30,764 INFO L858 garLoopResultBuilder]: For program point L674(lines 674 684) no Hoare annotation was computed. [2022-02-20 18:11:30,764 INFO L858 garLoopResultBuilder]: For program point L769(lines 769 775) no Hoare annotation was computed. [2022-02-20 18:11:30,765 INFO L858 garLoopResultBuilder]: For program point L769-2(lines 765 787) no Hoare annotation was computed. [2022-02-20 18:11:30,765 INFO L858 garLoopResultBuilder]: For program point L670(lines 670 687) no Hoare annotation was computed. [2022-02-20 18:11:30,765 INFO L861 garLoopResultBuilder]: At program point L670-1(lines 662 690) the Hoare annotation is: true [2022-02-20 18:11:30,766 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 762 788) the Hoare annotation is: true [2022-02-20 18:11:30,766 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 762 788) no Hoare annotation was computed. [2022-02-20 18:11:30,766 INFO L858 garLoopResultBuilder]: For program point L873(line 873) no Hoare annotation was computed. [2022-02-20 18:11:30,766 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 873) no Hoare annotation was computed. [2022-02-20 18:11:30,766 INFO L858 garLoopResultBuilder]: For program point L675(lines 675 681) no Hoare annotation was computed. [2022-02-20 18:11:30,766 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 138 167) no Hoare annotation was computed. [2022-02-20 18:11:30,767 INFO L858 garLoopResultBuilder]: For program point L159(line 159) no Hoare annotation was computed. [2022-02-20 18:11:30,767 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 138 167) the Hoare annotation is: true [2022-02-20 18:11:30,767 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 156) no Hoare annotation was computed. [2022-02-20 18:11:30,767 INFO L861 garLoopResultBuilder]: At program point L152-1(lines 152 156) the Hoare annotation is: true [2022-02-20 18:11:30,767 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-02-20 18:11:30,767 INFO L861 garLoopResultBuilder]: At program point L148-2(lines 148 162) the Hoare annotation is: true [2022-02-20 18:11:30,768 INFO L861 garLoopResultBuilder]: At program point L144(line 144) the Hoare annotation is: true [2022-02-20 18:11:30,768 INFO L858 garLoopResultBuilder]: For program point L144-1(line 144) no Hoare annotation was computed. [2022-02-20 18:11:30,768 INFO L861 garLoopResultBuilder]: At program point L163(lines 138 167) the Hoare annotation is: true [2022-02-20 18:11:30,768 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 708) no Hoare annotation was computed. [2022-02-20 18:11:30,768 INFO L854 garLoopResultBuilder]: At program point L197(lines 193 199) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:11:30,769 INFO L858 garLoopResultBuilder]: For program point L226(lines 226 233) no Hoare annotation was computed. [2022-02-20 18:11:30,769 INFO L858 garLoopResultBuilder]: For program point L738(lines 738 742) no Hoare annotation was computed. [2022-02-20 18:11:30,769 INFO L854 garLoopResultBuilder]: At program point L738-2(lines 732 743) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:11:30,769 INFO L858 garLoopResultBuilder]: For program point L226-2(lines 226 233) no Hoare annotation was computed. [2022-02-20 18:11:30,769 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 18:11:30,769 INFO L854 garLoopResultBuilder]: At program point L255(lines 251 257) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:11:30,769 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-20 18:11:30,770 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-20 18:11:30,770 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2022-02-20 18:11:30,770 INFO L861 garLoopResultBuilder]: At program point L210(lines 202 212) the Hoare annotation is: true [2022-02-20 18:11:30,770 INFO L858 garLoopResultBuilder]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2022-02-20 18:11:30,770 INFO L861 garLoopResultBuilder]: At program point L751(lines 692 755) the Hoare annotation is: true [2022-02-20 18:11:30,770 INFO L861 garLoopResultBuilder]: At program point L235(lines 216 238) the Hoare annotation is: true [2022-02-20 18:11:30,771 INFO L854 garLoopResultBuilder]: At program point L714(line 714) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:11:30,771 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-20 18:11:30,771 INFO L854 garLoopResultBuilder]: At program point L748(lines 701 749) the Hoare annotation is: false [2022-02-20 18:11:30,771 INFO L854 garLoopResultBuilder]: At program point L649(lines 644 651) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:11:30,771 INFO L858 garLoopResultBuilder]: For program point L703(lines 702 747) no Hoare annotation was computed. [2022-02-20 18:11:30,771 INFO L858 garLoopResultBuilder]: For program point L732(lines 732 743) no Hoare annotation was computed. [2022-02-20 18:11:30,772 INFO L854 garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:11:30,772 INFO L854 garLoopResultBuilder]: At program point L270(lines 265 273) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:11:30,772 INFO L854 garLoopResultBuilder]: At program point L745(lines 702 747) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:11:30,772 INFO L858 garLoopResultBuilder]: For program point L712(lines 712 718) no Hoare annotation was computed. [2022-02-20 18:11:30,772 INFO L858 garLoopResultBuilder]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2022-02-20 18:11:30,773 INFO L854 garLoopResultBuilder]: At program point L262(lines 258 264) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:11:30,773 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-02-20 18:11:30,773 INFO L858 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2022-02-20 18:11:30,773 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2022-02-20 18:11:30,773 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 823 831) no Hoare annotation was computed. [2022-02-20 18:11:30,773 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 823 831) the Hoare annotation is: true [2022-02-20 18:11:30,774 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 823 831) no Hoare annotation was computed. [2022-02-20 18:11:30,777 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-20 18:11:30,779 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 18:11:30,784 WARN L170 areAnnotationChecker]: L86-1 has no Hoare annotation [2022-02-20 18:11:30,785 WARN L170 areAnnotationChecker]: L86-1 has no Hoare annotation [2022-02-20 18:11:30,786 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 18:11:30,786 WARN L170 areAnnotationChecker]: L74-1 has no Hoare annotation [2022-02-20 18:11:30,786 WARN L170 areAnnotationChecker]: L74-1 has no Hoare annotation [2022-02-20 18:11:30,786 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2022-02-20 18:11:30,786 WARN L170 areAnnotationChecker]: L86-1 has no Hoare annotation [2022-02-20 18:11:30,786 WARN L170 areAnnotationChecker]: L657-1 has no Hoare annotation [2022-02-20 18:11:30,786 WARN L170 areAnnotationChecker]: L144-1 has no Hoare annotation [2022-02-20 18:11:30,786 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 18:11:30,787 WARN L170 areAnnotationChecker]: L74-1 has no Hoare annotation [2022-02-20 18:11:30,787 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2022-02-20 18:11:30,787 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2022-02-20 18:11:30,787 WARN L170 areAnnotationChecker]: L657-1 has no Hoare annotation [2022-02-20 18:11:30,787 WARN L170 areAnnotationChecker]: L144-1 has no Hoare annotation [2022-02-20 18:11:30,788 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2022-02-20 18:11:30,788 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2022-02-20 18:11:30,788 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2022-02-20 18:11:30,788 WARN L170 areAnnotationChecker]: L722-1 has no Hoare annotation [2022-02-20 18:11:30,788 WARN L170 areAnnotationChecker]: L769 has no Hoare annotation [2022-02-20 18:11:30,789 WARN L170 areAnnotationChecker]: L149 has no Hoare annotation [2022-02-20 18:11:30,789 WARN L170 areAnnotationChecker]: L712-1 has no Hoare annotation [2022-02-20 18:11:30,789 WARN L170 areAnnotationChecker]: L672-1 has no Hoare annotation [2022-02-20 18:11:30,789 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2022-02-20 18:11:30,789 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2022-02-20 18:11:30,789 WARN L170 areAnnotationChecker]: L769 has no Hoare annotation [2022-02-20 18:11:30,790 WARN L170 areAnnotationChecker]: L769 has no Hoare annotation [2022-02-20 18:11:30,790 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:11:30,790 WARN L170 areAnnotationChecker]: L149 has no Hoare annotation [2022-02-20 18:11:30,790 WARN L170 areAnnotationChecker]: L226 has no Hoare annotation [2022-02-20 18:11:30,790 WARN L170 areAnnotationChecker]: L722 has no Hoare annotation [2022-02-20 18:11:30,790 WARN L170 areAnnotationChecker]: L722 has no Hoare annotation [2022-02-20 18:11:30,790 WARN L170 areAnnotationChecker]: L674 has no Hoare annotation [2022-02-20 18:11:30,790 WARN L170 areAnnotationChecker]: L674 has no Hoare annotation [2022-02-20 18:11:30,791 WARN L170 areAnnotationChecker]: L738 has no Hoare annotation [2022-02-20 18:11:30,791 WARN L170 areAnnotationChecker]: L738 has no Hoare annotation [2022-02-20 18:11:30,791 WARN L170 areAnnotationChecker]: L62 has no Hoare annotation [2022-02-20 18:11:30,791 WARN L170 areAnnotationChecker]: L62 has no Hoare annotation [2022-02-20 18:11:30,791 WARN L170 areAnnotationChecker]: L769-2 has no Hoare annotation [2022-02-20 18:11:30,791 WARN L170 areAnnotationChecker]: L769-2 has no Hoare annotation [2022-02-20 18:11:30,791 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:11:30,791 WARN L170 areAnnotationChecker]: L152 has no Hoare annotation [2022-02-20 18:11:30,791 WARN L170 areAnnotationChecker]: L152 has no Hoare annotation [2022-02-20 18:11:30,792 WARN L170 areAnnotationChecker]: L226 has no Hoare annotation [2022-02-20 18:11:30,792 WARN L170 areAnnotationChecker]: L226 has no Hoare annotation [2022-02-20 18:11:30,792 WARN L170 areAnnotationChecker]: L722-1 has no Hoare annotation [2022-02-20 18:11:30,792 WARN L170 areAnnotationChecker]: L675 has no Hoare annotation [2022-02-20 18:11:30,792 WARN L170 areAnnotationChecker]: L675 has no Hoare annotation [2022-02-20 18:11:30,792 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:11:30,793 WARN L170 areAnnotationChecker]: L703 has no Hoare annotation [2022-02-20 18:11:30,793 WARN L170 areAnnotationChecker]: L769-2 has no Hoare annotation [2022-02-20 18:11:30,793 WARN L170 areAnnotationChecker]: L776-1 has no Hoare annotation [2022-02-20 18:11:30,793 WARN L170 areAnnotationChecker]: L776-1 has no Hoare annotation [2022-02-20 18:11:30,793 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2022-02-20 18:11:30,794 WARN L170 areAnnotationChecker]: L226-2 has no Hoare annotation [2022-02-20 18:11:30,794 WARN L170 areAnnotationChecker]: L873 has no Hoare annotation [2022-02-20 18:11:30,794 WARN L170 areAnnotationChecker]: L873 has no Hoare annotation [2022-02-20 18:11:30,794 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:11:30,794 WARN L170 areAnnotationChecker]: L703 has no Hoare annotation [2022-02-20 18:11:30,794 WARN L170 areAnnotationChecker]: L703 has no Hoare annotation [2022-02-20 18:11:30,794 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2022-02-20 18:11:30,795 WARN L170 areAnnotationChecker]: L226-2 has no Hoare annotation [2022-02-20 18:11:30,795 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2022-02-20 18:11:30,795 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:11:30,800 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:11:30,800 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:11:30,800 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:11:30,800 WARN L170 areAnnotationChecker]: L704 has no Hoare annotation [2022-02-20 18:11:30,800 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2022-02-20 18:11:30,800 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2022-02-20 18:11:30,800 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:11:30,800 WARN L170 areAnnotationChecker]: L712 has no Hoare annotation [2022-02-20 18:11:30,801 WARN L170 areAnnotationChecker]: L712 has no Hoare annotation [2022-02-20 18:11:30,801 WARN L170 areAnnotationChecker]: L672-1 has no Hoare annotation [2022-02-20 18:11:30,801 WARN L170 areAnnotationChecker]: L712-1 has no Hoare annotation [2022-02-20 18:11:30,801 INFO L163 areAnnotationChecker]: CFG has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 18:11:30,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 06:11:30 BoogieIcfgContainer [2022-02-20 18:11:30,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 18:11:30,818 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 18:11:30,818 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 18:11:30,818 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 18:11:30,819 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:11:28" (3/4) ... [2022-02-20 18:11:30,821 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 18:11:30,826 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-02-20 18:11:30,826 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-02-20 18:11:30,826 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-02-20 18:11:30,826 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-02-20 18:11:30,826 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-02-20 18:11:30,837 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-02-20 18:11:30,838 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-02-20 18:11:30,838 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-02-20 18:11:30,839 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-02-20 18:11:30,839 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 18:11:30,839 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:11:30,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:11:30,902 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 18:11:30,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 18:11:30,903 INFO L158 Benchmark]: Toolchain (without parser) took 3560.85ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 73.1MB in the beginning and 84.1MB in the end (delta: -10.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-02-20 18:11:30,904 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 75.5MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:11:30,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.33ms. Allocated memory is still 94.4MB. Free memory was 72.9MB in the beginning and 60.8MB in the end (delta: 12.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-02-20 18:11:30,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.77ms. Allocated memory is still 94.4MB. Free memory was 60.8MB in the beginning and 58.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:11:30,905 INFO L158 Benchmark]: Boogie Preprocessor took 45.46ms. Allocated memory is still 94.4MB. Free memory was 58.3MB in the beginning and 56.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:11:30,905 INFO L158 Benchmark]: RCFGBuilder took 494.54ms. Allocated memory is still 94.4MB. Free memory was 56.7MB in the beginning and 62.8MB in the end (delta: -6.1MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-02-20 18:11:30,905 INFO L158 Benchmark]: TraceAbstraction took 2395.82ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 62.3MB in the beginning and 88.2MB in the end (delta: -26.0MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2022-02-20 18:11:30,906 INFO L158 Benchmark]: Witness Printer took 84.05ms. Allocated memory is still 113.2MB. Free memory was 88.2MB in the beginning and 84.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 18:11:30,908 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 0.19ms. Allocated memory is still 75.5MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.33ms. Allocated memory is still 94.4MB. Free memory was 72.9MB in the beginning and 60.8MB in the end (delta: 12.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.77ms. Allocated memory is still 94.4MB. Free memory was 60.8MB in the beginning and 58.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.46ms. Allocated memory is still 94.4MB. Free memory was 58.3MB in the beginning and 56.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 494.54ms. Allocated memory is still 94.4MB. Free memory was 56.7MB in the beginning and 62.8MB in the end (delta: -6.1MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2395.82ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 62.3MB in the beginning and 88.2MB in the end (delta: -26.0MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Witness Printer took 84.05ms. Allocated memory is still 113.2MB. Free memory was 88.2MB in the beginning and 84.1MB 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: 873]: 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, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, 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, 439 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 183 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 256 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=68occurred 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, 30 LocationsWithAnnotation, 113 PreInvPairs, 126 NumberOfFragments, 112 HoareAnnotationTreeSize, 113 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 160 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 246 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: 251]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-02-20 18:11:30,961 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