./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_product09.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 461ca0d1a8543dd411d909a238dff5a20b99b6d27f8d240637f8debfe58c478f --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 18:00:29,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 18:00:29,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 18:00:29,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 18:00:29,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 18:00:29,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 18:00:29,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 18:00:29,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 18:00:29,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 18:00:29,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 18:00:29,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 18:00:29,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 18:00:29,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 18:00:29,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 18:00:29,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 18:00:29,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 18:00:29,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 18:00:29,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 18:00:29,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 18:00:29,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 18:00:29,171 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 18:00:29,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 18:00:29,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 18:00:29,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 18:00:29,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 18:00:29,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 18:00:29,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 18:00:29,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 18:00:29,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 18:00:29,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 18:00:29,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 18:00:29,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 18:00:29,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 18:00:29,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 18:00:29,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 18:00:29,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 18:00:29,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 18:00:29,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 18:00:29,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 18:00:29,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 18:00:29,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 18:00:29,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 18:00:29,190 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 18:00:29,212 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 18:00:29,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 18:00:29,213 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 18:00:29,213 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 18:00:29,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 18:00:29,214 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 18:00:29,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 18:00:29,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 18:00:29,215 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 18:00:29,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 18:00:29,215 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 18:00:29,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 18:00:29,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 18:00:29,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 18:00:29,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 18:00:29,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 18:00:29,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 18:00:29,216 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 18:00:29,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 18:00:29,217 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 18:00:29,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 18:00:29,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 18:00:29,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 18:00:29,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 18:00:29,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 18:00:29,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 18:00:29,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 18:00:29,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 18:00:29,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 18:00:29,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 18:00:29,219 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 18:00:29,219 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 18:00:29,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 18:00:29,219 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 461ca0d1a8543dd411d909a238dff5a20b99b6d27f8d240637f8debfe58c478f [2022-07-13 18:00:29,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 18:00:29,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 18:00:29,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 18:00:29,434 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 18:00:29,434 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 18:00:29,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c [2022-07-13 18:00:29,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9be3f137d/f2f0efe80ca04cfb99d7d66e5398ed84/FLAGa3742db4d [2022-07-13 18:00:29,826 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 18:00:29,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c [2022-07-13 18:00:29,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9be3f137d/f2f0efe80ca04cfb99d7d66e5398ed84/FLAGa3742db4d [2022-07-13 18:00:30,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9be3f137d/f2f0efe80ca04cfb99d7d66e5398ed84 [2022-07-13 18:00:30,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 18:00:30,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 18:00:30,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 18:00:30,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 18:00:30,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 18:00:30,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 06:00:30" (1/1) ... [2022-07-13 18:00:30,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1908fb32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:00:30, skipping insertion in model container [2022-07-13 18:00:30,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 06:00:30" (1/1) ... [2022-07-13 18:00:30,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 18:00:30,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 18:00:30,430 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_product09.cil.c[5363,5376] [2022-07-13 18:00:30,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 18:00:30,487 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 18:00:30,505 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_product09.cil.c[5363,5376] [2022-07-13 18:00:30,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 18:00:30,540 INFO L208 MainTranslator]: Completed translation [2022-07-13 18:00:30,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:00:30 WrapperNode [2022-07-13 18:00:30,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 18:00:30,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 18:00:30,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 18:00:30,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 18:00:30,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:00:30" (1/1) ... [2022-07-13 18:00:30,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:00:30" (1/1) ... [2022-07-13 18:00:30,590 INFO L137 Inliner]: procedures = 52, calls = 149, calls flagged for inlining = 21, calls inlined = 15, statements flattened = 191 [2022-07-13 18:00:30,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 18:00:30,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 18:00:30,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 18:00:30,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 18:00:30,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:00:30" (1/1) ... [2022-07-13 18:00:30,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:00:30" (1/1) ... [2022-07-13 18:00:30,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:00:30" (1/1) ... [2022-07-13 18:00:30,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:00:30" (1/1) ... [2022-07-13 18:00:30,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:00:30" (1/1) ... [2022-07-13 18:00:30,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:00:30" (1/1) ... [2022-07-13 18:00:30,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:00:30" (1/1) ... [2022-07-13 18:00:30,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 18:00:30,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 18:00:30,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 18:00:30,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 18:00:30,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:00:30" (1/1) ... [2022-07-13 18:00:30,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 18:00:30,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 18:00:30,675 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) [2022-07-13 18:00:30,681 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 [2022-07-13 18:00:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 18:00:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-13 18:00:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-13 18:00:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-13 18:00:30,709 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-13 18:00:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-13 18:00:30,709 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-13 18:00:30,709 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-13 18:00:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-13 18:00:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 18:00:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-13 18:00:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-13 18:00:30,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 18:00:30,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 18:00:30,755 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 18:00:30,756 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 18:00:30,997 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 18:00:31,007 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 18:00:31,007 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 18:00:31,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 06:00:31 BoogieIcfgContainer [2022-07-13 18:00:31,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 18:00:31,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 18:00:31,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 18:00:31,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 18:00:31,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 06:00:30" (1/3) ... [2022-07-13 18:00:31,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec9d47e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 06:00:31, skipping insertion in model container [2022-07-13 18:00:31,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:00:30" (2/3) ... [2022-07-13 18:00:31,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec9d47e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 06:00:31, skipping insertion in model container [2022-07-13 18:00:31,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 06:00:31" (3/3) ... [2022-07-13 18:00:31,017 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product09.cil.c [2022-07-13 18:00:31,027 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 18:00:31,027 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 18:00:31,073 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 18:00:31,078 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@73fc298c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5abac9b7 [2022-07-13 18:00:31,078 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 18:00:31,082 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) [2022-07-13 18:00:31,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-13 18:00:31,088 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:00:31,089 INFO L195 NwaCegarLoop]: 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] [2022-07-13 18:00:31,089 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:00:31,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:00:31,095 INFO L85 PathProgramCache]: Analyzing trace with hash 734230905, now seen corresponding path program 1 times [2022-07-13 18:00:31,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:00:31,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390807022] [2022-07-13 18:00:31,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:00:31,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:00:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:00:31,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-13 18:00:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:00:31,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 18:00:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:00:31,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 18:00:31,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:00:31,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390807022] [2022-07-13 18:00:31,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390807022] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 18:00:31,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 18:00:31,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 18:00:31,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126389917] [2022-07-13 18:00:31,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 18:00:31,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 18:00:31,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:00:31,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 18:00:31,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 18:00:31,380 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) [2022-07-13 18:00:31,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:00:31,409 INFO L93 Difference]: Finished difference Result 127 states and 172 transitions. [2022-07-13 18:00:31,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 18:00:31,410 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 [2022-07-13 18:00:31,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:00:31,417 INFO L225 Difference]: With dead ends: 127 [2022-07-13 18:00:31,417 INFO L226 Difference]: Without dead ends: 59 [2022-07-13 18:00:31,422 INFO L412 NwaCegarLoop]: 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 [2022-07-13 18:00:31,425 INFO L413 NwaCegarLoop]: 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 [2022-07-13 18:00:31,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 18:00:31,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-07-13 18:00:31,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-07-13 18:00:31,468 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) [2022-07-13 18:00:31,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2022-07-13 18:00:31,474 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 32 [2022-07-13 18:00:31,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:00:31,475 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2022-07-13 18:00:31,476 INFO L496 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) [2022-07-13 18:00:31,476 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2022-07-13 18:00:31,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-13 18:00:31,479 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:00:31,479 INFO L195 NwaCegarLoop]: 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] [2022-07-13 18:00:31,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 18:00:31,480 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:00:31,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:00:31,481 INFO L85 PathProgramCache]: Analyzing trace with hash 57512016, now seen corresponding path program 1 times [2022-07-13 18:00:31,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:00:31,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494878649] [2022-07-13 18:00:31,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:00:31,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:00:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:00:31,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 18:00:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:00:31,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 18:00:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:00:31,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 18:00:31,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:00:31,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494878649] [2022-07-13 18:00:31,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494878649] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 18:00:31,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 18:00:31,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 18:00:31,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155137274] [2022-07-13 18:00:31,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 18:00:31,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 18:00:31,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:00:31,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 18:00:31,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 18:00:31,557 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) [2022-07-13 18:00:31,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:00:31,575 INFO L93 Difference]: Finished difference Result 83 states and 103 transitions. [2022-07-13 18:00:31,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 18:00:31,577 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 [2022-07-13 18:00:31,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:00:31,579 INFO L225 Difference]: With dead ends: 83 [2022-07-13 18:00:31,579 INFO L226 Difference]: Without dead ends: 50 [2022-07-13 18:00:31,580 INFO L412 NwaCegarLoop]: 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 [2022-07-13 18:00:31,581 INFO L413 NwaCegarLoop]: 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 [2022-07-13 18:00:31,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 106 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 18:00:31,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-07-13 18:00:31,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-07-13 18:00:31,589 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) [2022-07-13 18:00:31,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2022-07-13 18:00:31,590 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 33 [2022-07-13 18:00:31,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:00:31,591 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2022-07-13 18:00:31,591 INFO L496 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) [2022-07-13 18:00:31,591 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-07-13 18:00:31,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-13 18:00:31,592 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:00:31,592 INFO L195 NwaCegarLoop]: 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] [2022-07-13 18:00:31,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 18:00:31,593 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:00:31,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:00:31,593 INFO L85 PathProgramCache]: Analyzing trace with hash -289318472, now seen corresponding path program 1 times [2022-07-13 18:00:31,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:00:31,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998225187] [2022-07-13 18:00:31,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:00:31,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:00:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:00:31,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 18:00:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:00:31,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 18:00:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:00:31,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 18:00:31,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:00:31,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998225187] [2022-07-13 18:00:31,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998225187] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 18:00:31,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 18:00:31,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 18:00:31,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297614702] [2022-07-13 18:00:31,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 18:00:31,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 18:00:31,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:00:31,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 18:00:31,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 18:00:31,670 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) [2022-07-13 18:00:31,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:00:31,691 INFO L93 Difference]: Finished difference Result 92 states and 117 transitions. [2022-07-13 18:00:31,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 18:00:31,692 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 [2022-07-13 18:00:31,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:00:31,692 INFO L225 Difference]: With dead ends: 92 [2022-07-13 18:00:31,693 INFO L226 Difference]: Without dead ends: 50 [2022-07-13 18:00:31,693 INFO L412 NwaCegarLoop]: 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 [2022-07-13 18:00:31,694 INFO L413 NwaCegarLoop]: 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 [2022-07-13 18:00:31,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 60 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 18:00:31,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-07-13 18:00:31,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-07-13 18:00:31,698 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) [2022-07-13 18:00:31,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2022-07-13 18:00:31,698 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 37 [2022-07-13 18:00:31,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:00:31,699 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2022-07-13 18:00:31,700 INFO L496 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) [2022-07-13 18:00:31,700 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2022-07-13 18:00:31,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-13 18:00:31,700 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:00:31,700 INFO L195 NwaCegarLoop]: 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] [2022-07-13 18:00:31,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 18:00:31,701 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:00:31,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:00:31,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1233673812, now seen corresponding path program 1 times [2022-07-13 18:00:31,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:00:31,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494987713] [2022-07-13 18:00:31,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:00:31,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:00:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:00:31,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 18:00:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:00:31,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-13 18:00:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:00:31,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 18:00:31,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:00:31,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494987713] [2022-07-13 18:00:31,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494987713] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 18:00:31,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 18:00:31,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 18:00:31,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754276862] [2022-07-13 18:00:31,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 18:00:31,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 18:00:31,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:00:31,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 18:00:31,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 18:00:31,765 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) [2022-07-13 18:00:31,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:00:31,839 INFO L93 Difference]: Finished difference Result 90 states and 112 transitions. [2022-07-13 18:00:31,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 18:00:31,840 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 [2022-07-13 18:00:31,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:00:31,840 INFO L225 Difference]: With dead ends: 90 [2022-07-13 18:00:31,840 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 18:00:31,843 INFO L412 NwaCegarLoop]: 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 [2022-07-13 18:00:31,850 INFO L413 NwaCegarLoop]: 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 [2022-07-13 18:00:31,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 190 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 18:00:31,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 18:00:31,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 18:00:31,852 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) [2022-07-13 18:00:31,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 18:00:31,853 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-07-13 18:00:31,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:00:31,853 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 18:00:31,853 INFO L496 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) [2022-07-13 18:00:31,853 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 18:00:31,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 18:00:31,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 18:00:31,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 18:00:31,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 18:00:31,960 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: true [2022-07-13 18:00:31,960 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-07-13 18:00:31,960 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2022-07-13 18:00:31,960 INFO L902 garLoopResultBuilder]: At program point L353(line 353) the Hoare annotation is: true [2022-07-13 18:00:31,961 INFO L899 garLoopResultBuilder]: For program point L353-1(line 353) no Hoare annotation was computed. [2022-07-13 18:00:31,961 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 347 376) no Hoare annotation was computed. [2022-07-13 18:00:31,961 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 347 376) the Hoare annotation is: true [2022-07-13 18:00:31,961 INFO L902 garLoopResultBuilder]: At program point L372(lines 347 376) the Hoare annotation is: true [2022-07-13 18:00:31,961 INFO L899 garLoopResultBuilder]: For program point L368(line 368) no Hoare annotation was computed. [2022-07-13 18:00:31,961 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 365) no Hoare annotation was computed. [2022-07-13 18:00:31,962 INFO L902 garLoopResultBuilder]: At program point L361-1(lines 361 365) the Hoare annotation is: true [2022-07-13 18:00:31,962 INFO L899 garLoopResultBuilder]: For program point L358(line 358) no Hoare annotation was computed. [2022-07-13 18:00:31,962 INFO L902 garLoopResultBuilder]: At program point L357-2(lines 357 371) the Hoare annotation is: true [2022-07-13 18:00:31,962 INFO L899 garLoopResultBuilder]: For program point L341(line 341) no Hoare annotation was computed. [2022-07-13 18:00:31,962 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 146 172) no Hoare annotation was computed. [2022-07-13 18:00:31,962 INFO L902 garLoopResultBuilder]: At program point L131(lines 126 134) the Hoare annotation is: true [2022-07-13 18:00:31,962 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 160 166) no Hoare annotation was computed. [2022-07-13 18:00:31,962 INFO L902 garLoopResultBuilder]: At program point L862(line 862) the Hoare annotation is: true [2022-07-13 18:00:31,962 INFO L899 garLoopResultBuilder]: For program point L862-1(line 862) no Hoare annotation was computed. [2022-07-13 18:00:31,962 INFO L895 garLoopResultBuilder]: At program point L342(lines 337 344) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2022-07-13 18:00:31,962 INFO L902 garLoopResultBuilder]: At program point L177(lines 173 179) the Hoare annotation is: true [2022-07-13 18:00:31,962 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 889) no Hoare annotation was computed. [2022-07-13 18:00:31,962 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 892) no Hoare annotation was computed. [2022-07-13 18:00:31,962 INFO L902 garLoopResultBuilder]: At program point L875-1(lines 867 895) the Hoare annotation is: true [2022-07-13 18:00:31,963 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2022-07-13 18:00:31,963 INFO L895 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2022-07-13 18:00:31,963 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 159) no Hoare annotation was computed. [2022-07-13 18:00:31,963 INFO L899 garLoopResultBuilder]: For program point L153-2(lines 149 171) no Hoare annotation was computed. [2022-07-13 18:00:31,963 INFO L899 garLoopResultBuilder]: For program point L880(lines 880 886) no Hoare annotation was computed. [2022-07-13 18:00:31,963 INFO L902 garLoopResultBuilder]: At program point L864(lines 857 866) the Hoare annotation is: true [2022-07-13 18:00:31,963 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 146 172) the Hoare annotation is: true [2022-07-13 18:00:31,963 INFO L902 garLoopResultBuilder]: At program point L877(line 877) the Hoare annotation is: true [2022-07-13 18:00:31,963 INFO L899 garLoopResultBuilder]: For program point L877-1(line 877) no Hoare annotation was computed. [2022-07-13 18:00:31,963 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 146 172) no Hoare annotation was computed. [2022-07-13 18:00:31,963 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 341) no Hoare annotation was computed. [2022-07-13 18:00:31,963 INFO L895 garLoopResultBuilder]: At program point L828(lines 824 830) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-13 18:00:31,963 INFO L899 garLoopResultBuilder]: For program point L283(lines 282 327) no Hoare annotation was computed. [2022-07-13 18:00:31,963 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 323) no Hoare annotation was computed. [2022-07-13 18:00:31,964 INFO L895 garLoopResultBuilder]: At program point L304(line 304) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 18:00:31,964 INFO L895 garLoopResultBuilder]: At program point L325(lines 282 327) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 18:00:31,964 INFO L899 garLoopResultBuilder]: For program point L292(lines 292 298) no Hoare annotation was computed. [2022-07-13 18:00:31,964 INFO L899 garLoopResultBuilder]: For program point L292-1(lines 292 298) no Hoare annotation was computed. [2022-07-13 18:00:31,964 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 18:00:31,964 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 18:00:31,964 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 18:00:31,964 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 288) no Hoare annotation was computed. [2022-07-13 18:00:31,964 INFO L895 garLoopResultBuilder]: At program point L854(lines 849 856) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-13 18:00:31,964 INFO L899 garLoopResultBuilder]: For program point L433(lines 433 440) no Hoare annotation was computed. [2022-07-13 18:00:31,964 INFO L899 garLoopResultBuilder]: For program point L433-2(lines 433 440) no Hoare annotation was computed. [2022-07-13 18:00:31,964 INFO L902 garLoopResultBuilder]: At program point L417(lines 409 419) the Hoare annotation is: true [2022-07-13 18:00:31,964 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 18:00:31,964 INFO L899 garLoopResultBuilder]: For program point L318(lines 318 322) no Hoare annotation was computed. [2022-07-13 18:00:31,965 INFO L895 garLoopResultBuilder]: At program point L318-2(lines 312 323) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 18:00:31,965 INFO L902 garLoopResultBuilder]: At program point L442(lines 423 445) the Hoare annotation is: true [2022-07-13 18:00:31,965 INFO L895 garLoopResultBuilder]: At program point L405(lines 401 407) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-13 18:00:31,965 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 308) no Hoare annotation was computed. [2022-07-13 18:00:31,965 INFO L899 garLoopResultBuilder]: For program point L302-1(lines 302 308) no Hoare annotation was computed. [2022-07-13 18:00:31,965 INFO L895 garLoopResultBuilder]: At program point L843(lines 838 846) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-13 18:00:31,965 INFO L902 garLoopResultBuilder]: At program point L331(lines 272 335) the Hoare annotation is: true [2022-07-13 18:00:31,965 INFO L895 garLoopResultBuilder]: At program point L294(line 294) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-13 18:00:31,965 INFO L895 garLoopResultBuilder]: At program point L835(lines 831 837) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-13 18:00:31,965 INFO L895 garLoopResultBuilder]: At program point L328(lines 281 329) the Hoare annotation is: false [2022-07-13 18:00:31,965 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-07-13 18:00:31,965 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2022-07-13 18:00:31,965 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2022-07-13 18:00:31,965 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 225 233) no Hoare annotation was computed. [2022-07-13 18:00:31,965 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 225 233) the Hoare annotation is: true [2022-07-13 18:00:31,966 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 225 233) no Hoare annotation was computed. [2022-07-13 18:00:31,969 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-13 18:00:31,971 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 18:00:31,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 06:00:31 BoogieIcfgContainer [2022-07-13 18:00:31,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 18:00:31,986 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 18:00:31,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 18:00:31,986 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 18:00:31,986 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 06:00:31" (3/4) ... [2022-07-13 18:00:31,988 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 18:00:31,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-13 18:00:31,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-13 18:00:31,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-13 18:00:31,993 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-13 18:00:31,994 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-13 18:00:32,000 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-07-13 18:00:32,000 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-13 18:00:32,000 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 18:00:32,001 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 18:00:32,001 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 18:00:32,001 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 18:00:32,001 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 18:00:32,039 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 18:00:32,040 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 18:00:32,040 INFO L158 Benchmark]: Toolchain (without parser) took 1817.44ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 55.7MB in the beginning and 62.2MB in the end (delta: -6.6MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-07-13 18:00:32,040 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 18:00:32,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.13ms. Allocated memory is still 88.1MB. Free memory was 55.5MB in the beginning and 57.2MB in the end (delta: -1.6MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-07-13 18:00:32,041 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.95ms. Allocated memory is still 88.1MB. Free memory was 57.2MB in the beginning and 55.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 18:00:32,041 INFO L158 Benchmark]: Boogie Preprocessor took 41.05ms. Allocated memory is still 88.1MB. Free memory was 55.1MB in the beginning and 53.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 18:00:32,041 INFO L158 Benchmark]: RCFGBuilder took 377.10ms. Allocated memory is still 88.1MB. Free memory was 53.7MB in the beginning and 39.2MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-13 18:00:32,041 INFO L158 Benchmark]: TraceAbstraction took 974.81ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 38.6MB in the beginning and 66.4MB in the end (delta: -27.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 18:00:32,041 INFO L158 Benchmark]: Witness Printer took 53.86ms. Allocated memory is still 115.3MB. Free memory was 66.4MB in the beginning and 62.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 18:00:32,042 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.13ms. Allocated memory is still 88.1MB. Free memory was 55.5MB in the beginning and 57.2MB in the end (delta: -1.6MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.95ms. Allocated memory is still 88.1MB. Free memory was 57.2MB in the beginning and 55.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.05ms. Allocated memory is still 88.1MB. Free memory was 55.1MB in the beginning and 53.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 377.10ms. Allocated memory is still 88.1MB. Free memory was 53.7MB in the beginning and 39.2MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 974.81ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 38.6MB in the beginning and 66.4MB in the end (delta: -27.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 53.86ms. Allocated memory is still 115.3MB. Free memory was 66.4MB in the beginning and 62.2MB 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: 341]: 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: 0.9s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 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: 0.0s 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, 0.2s 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: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 RESULT: Ultimate proved your program to be correct! [2022-07-13 18:00:32,071 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