./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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_product42.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 76f5874bdc2210da6be360b9991ed804689b1623a0180577df5607e0ad5d02da --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 05:02:18,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 05:02:18,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 05:02:18,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 05:02:18,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 05:02:18,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 05:02:18,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 05:02:18,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 05:02:18,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 05:02:18,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 05:02:18,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 05:02:18,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 05:02:18,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 05:02:18,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 05:02:18,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 05:02:18,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 05:02:18,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 05:02:18,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 05:02:18,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 05:02:18,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 05:02:18,221 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 05:02:18,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 05:02:18,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 05:02:18,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 05:02:18,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 05:02:18,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 05:02:18,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 05:02:18,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 05:02:18,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 05:02:18,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 05:02:18,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 05:02:18,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 05:02:18,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 05:02:18,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 05:02:18,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 05:02:18,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 05:02:18,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 05:02:18,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 05:02:18,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 05:02:18,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 05:02:18,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 05:02:18,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 05:02:18,253 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 05:02:18,286 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 05:02:18,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 05:02:18,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 05:02:18,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 05:02:18,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 05:02:18,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 05:02:18,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 05:02:18,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 05:02:18,290 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 05:02:18,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 05:02:18,291 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 05:02:18,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 05:02:18,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 05:02:18,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 05:02:18,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 05:02:18,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 05:02:18,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 05:02:18,292 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 05:02:18,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 05:02:18,293 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 05:02:18,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 05:02:18,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 05:02:18,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 05:02:18,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 05:02:18,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:02:18,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 05:02:18,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 05:02:18,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 05:02:18,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 05:02:18,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 05:02:18,296 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 05:02:18,296 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 05:02:18,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 05:02:18,296 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76f5874bdc2210da6be360b9991ed804689b1623a0180577df5607e0ad5d02da [2022-07-21 05:02:18,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 05:02:18,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 05:02:18,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 05:02:18,664 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 05:02:18,664 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 05:02:18,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2022-07-21 05:02:18,728 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9acdf702c/04ebfb86417b45e08ef873d0bdd171fd/FLAG8ffe92391 [2022-07-21 05:02:19,209 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 05:02:19,210 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2022-07-21 05:02:19,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9acdf702c/04ebfb86417b45e08ef873d0bdd171fd/FLAG8ffe92391 [2022-07-21 05:02:19,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9acdf702c/04ebfb86417b45e08ef873d0bdd171fd [2022-07-21 05:02:19,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 05:02:19,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 05:02:19,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 05:02:19,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 05:02:19,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 05:02:19,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:02:19" (1/1) ... [2022-07-21 05:02:19,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482d9a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:19, skipping insertion in model container [2022-07-21 05:02:19,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:02:19" (1/1) ... [2022-07-21 05:02:19,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 05:02:19,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 05:02:19,880 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_product42.cil.c[3693,3706] [2022-07-21 05:02:20,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:02:20,043 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 05:02:20,079 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_product42.cil.c[3693,3706] [2022-07-21 05:02:20,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:02:20,156 INFO L208 MainTranslator]: Completed translation [2022-07-21 05:02:20,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:20 WrapperNode [2022-07-21 05:02:20,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 05:02:20,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 05:02:20,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 05:02:20,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 05:02:20,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:20" (1/1) ... [2022-07-21 05:02:20,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:20" (1/1) ... [2022-07-21 05:02:20,229 INFO L137 Inliner]: procedures = 56, calls = 155, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 254 [2022-07-21 05:02:20,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 05:02:20,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 05:02:20,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 05:02:20,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 05:02:20,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:20" (1/1) ... [2022-07-21 05:02:20,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:20" (1/1) ... [2022-07-21 05:02:20,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:20" (1/1) ... [2022-07-21 05:02:20,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:20" (1/1) ... [2022-07-21 05:02:20,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:20" (1/1) ... [2022-07-21 05:02:20,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:20" (1/1) ... [2022-07-21 05:02:20,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:20" (1/1) ... [2022-07-21 05:02:20,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 05:02:20,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 05:02:20,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 05:02:20,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 05:02:20,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:20" (1/1) ... [2022-07-21 05:02:20,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:02:20,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:02:20,313 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) [2022-07-21 05:02:20,339 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 [2022-07-21 05:02:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 05:02:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-21 05:02:20,358 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-21 05:02:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-21 05:02:20,358 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-21 05:02:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-21 05:02:20,359 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-21 05:02:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-21 05:02:20,359 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-21 05:02:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-21 05:02:20,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-21 05:02:20,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 05:02:20,360 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-21 05:02:20,360 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-21 05:02:20,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 05:02:20,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 05:02:20,434 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 05:02:20,436 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 05:02:20,661 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 05:02:20,667 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 05:02:20,668 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-21 05:02:20,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:02:20 BoogieIcfgContainer [2022-07-21 05:02:20,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 05:02:20,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 05:02:20,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 05:02:20,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 05:02:20,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:02:19" (1/3) ... [2022-07-21 05:02:20,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e00138e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:02:20, skipping insertion in model container [2022-07-21 05:02:20,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:20" (2/3) ... [2022-07-21 05:02:20,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e00138e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:02:20, skipping insertion in model container [2022-07-21 05:02:20,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:02:20" (3/3) ... [2022-07-21 05:02:20,678 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2022-07-21 05:02:20,690 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 05:02:20,690 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 05:02:20,757 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 05:02:20,768 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@2e7fe440, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@a0db672 [2022-07-21 05:02:20,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 05:02:20,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 67 states have (on average 1.373134328358209) internal successors, (92), 73 states have internal predecessors, (92), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-07-21 05:02:20,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 05:02:20,784 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:20,785 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] [2022-07-21 05:02:20,785 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:20,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:20,790 INFO L85 PathProgramCache]: Analyzing trace with hash -690410843, now seen corresponding path program 1 times [2022-07-21 05:02:20,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:20,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033122142] [2022-07-21 05:02:20,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:20,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:21,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 05:02:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:21,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 05:02:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:21,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:21,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033122142] [2022-07-21 05:02:21,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033122142] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:21,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:21,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 05:02:21,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361005223] [2022-07-21 05:02:21,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:21,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 05:02:21,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:21,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 05:02:21,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 05:02:21,114 INFO L87 Difference]: Start difference. First operand has 85 states, 67 states have (on average 1.373134328358209) internal successors, (92), 73 states have internal predecessors, (92), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) 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) [2022-07-21 05:02:21,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:21,164 INFO L93 Difference]: Finished difference Result 161 states and 218 transitions. [2022-07-21 05:02:21,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 05:02:21,167 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 [2022-07-21 05:02:21,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:21,175 INFO L225 Difference]: With dead ends: 161 [2022-07-21 05:02:21,176 INFO L226 Difference]: Without dead ends: 76 [2022-07-21 05:02:21,180 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 [2022-07-21 05:02:21,184 INFO L413 NwaCegarLoop]: 106 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, 106 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 [2022-07-21 05:02:21,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:02:21,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-07-21 05:02:21,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-07-21 05:02:21,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3) internal successors, (78), 65 states have internal predecessors, (78), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-21 05:02:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2022-07-21 05:02:21,252 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 32 [2022-07-21 05:02:21,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:21,253 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2022-07-21 05:02:21,253 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) [2022-07-21 05:02:21,254 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2022-07-21 05:02:21,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-21 05:02:21,257 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:21,258 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] [2022-07-21 05:02:21,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 05:02:21,259 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:21,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:21,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1965939987, now seen corresponding path program 1 times [2022-07-21 05:02:21,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:21,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005011374] [2022-07-21 05:02:21,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:21,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:21,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 05:02:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:21,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 05:02:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:21,378 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:21,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:21,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005011374] [2022-07-21 05:02:21,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005011374] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:21,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:21,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 05:02:21,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123018139] [2022-07-21 05:02:21,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:21,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:02:21,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:21,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:02:21,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:02:21,393 INFO L87 Difference]: Start difference. First operand 76 states and 97 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) [2022-07-21 05:02:21,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:21,416 INFO L93 Difference]: Finished difference Result 116 states and 148 transitions. [2022-07-21 05:02:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:02:21,419 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 [2022-07-21 05:02:21,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:21,422 INFO L225 Difference]: With dead ends: 116 [2022-07-21 05:02:21,422 INFO L226 Difference]: Without dead ends: 67 [2022-07-21 05:02:21,424 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 [2022-07-21 05:02:21,427 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 13 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 151 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 [2022-07-21 05:02:21,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 151 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:02:21,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-07-21 05:02:21,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-07-21 05:02:21,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 59 states have internal predecessors, (71), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-21 05:02:21,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2022-07-21 05:02:21,442 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 33 [2022-07-21 05:02:21,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:21,442 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2022-07-21 05:02:21,443 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) [2022-07-21 05:02:21,443 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-07-21 05:02:21,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-21 05:02:21,449 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:21,449 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] [2022-07-21 05:02:21,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 05:02:21,449 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:21,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:21,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1695410136, now seen corresponding path program 1 times [2022-07-21 05:02:21,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:21,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945278036] [2022-07-21 05:02:21,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:21,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:21,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:02:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:21,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 05:02:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:21,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:21,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:21,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945278036] [2022-07-21 05:02:21,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945278036] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:21,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:21,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 05:02:21,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311056527] [2022-07-21 05:02:21,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:21,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 05:02:21,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:21,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 05:02:21,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 05:02:21,566 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:02:21,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:21,656 INFO L93 Difference]: Finished difference Result 126 states and 163 transitions. [2022-07-21 05:02:21,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 05:02:21,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-07-21 05:02:21,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:21,658 INFO L225 Difference]: With dead ends: 126 [2022-07-21 05:02:21,659 INFO L226 Difference]: Without dead ends: 67 [2022-07-21 05:02:21,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:02:21,662 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 108 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:21,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 200 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:02:21,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-07-21 05:02:21,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-07-21 05:02:21,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 59 states have internal predecessors, (70), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-21 05:02:21,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2022-07-21 05:02:21,677 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 38 [2022-07-21 05:02:21,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:21,679 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2022-07-21 05:02:21,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:02:21,679 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-07-21 05:02:21,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-07-21 05:02:21,683 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:21,683 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, 1, 1, 1, 1, 1] [2022-07-21 05:02:21,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 05:02:21,684 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:21,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:21,685 INFO L85 PathProgramCache]: Analyzing trace with hash 610140587, now seen corresponding path program 1 times [2022-07-21 05:02:21,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:21,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833051410] [2022-07-21 05:02:21,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:21,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:21,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:02:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:21,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 05:02:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:21,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 05:02:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:21,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:21,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:21,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833051410] [2022-07-21 05:02:21,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833051410] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:21,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:21,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 05:02:21,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226484137] [2022-07-21 05:02:21,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:21,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:02:21,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:21,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:02:21,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:02:21,793 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-21 05:02:21,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:21,818 INFO L93 Difference]: Finished difference Result 171 states and 219 transitions. [2022-07-21 05:02:21,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:02:21,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43 [2022-07-21 05:02:21,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:21,823 INFO L225 Difference]: With dead ends: 171 [2022-07-21 05:02:21,825 INFO L226 Difference]: Without dead ends: 112 [2022-07-21 05:02:21,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:02:21,827 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 52 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:21,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 150 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:02:21,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-07-21 05:02:21,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2022-07-21 05:02:21,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 87 states have (on average 1.2873563218390804) internal successors, (112), 94 states have internal predecessors, (112), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-07-21 05:02:21,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 138 transitions. [2022-07-21 05:02:21,853 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 138 transitions. Word has length 43 [2022-07-21 05:02:21,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:21,854 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 138 transitions. [2022-07-21 05:02:21,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-21 05:02:21,855 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 138 transitions. [2022-07-21 05:02:21,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-21 05:02:21,857 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:21,857 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:21,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 05:02:21,858 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:21,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:21,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1028234707, now seen corresponding path program 1 times [2022-07-21 05:02:21,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:21,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702137389] [2022-07-21 05:02:21,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:21,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:21,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:02:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:21,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 05:02:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:21,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 05:02:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:21,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-21 05:02:21,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:21,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702137389] [2022-07-21 05:02:21,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702137389] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:21,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:21,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 05:02:21,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870644514] [2022-07-21 05:02:21,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:21,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 05:02:21,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:21,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 05:02:21,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 05:02:21,975 INFO L87 Difference]: Start difference. First operand 110 states and 138 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-21 05:02:22,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:22,054 INFO L93 Difference]: Finished difference Result 217 states and 276 transitions. [2022-07-21 05:02:22,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 05:02:22,055 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2022-07-21 05:02:22,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:22,056 INFO L225 Difference]: With dead ends: 217 [2022-07-21 05:02:22,057 INFO L226 Difference]: Without dead ends: 115 [2022-07-21 05:02:22,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-21 05:02:22,058 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 36 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:22,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 405 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:02:22,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-07-21 05:02:22,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 109. [2022-07-21 05:02:22,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 86 states have (on average 1.2674418604651163) internal successors, (109), 93 states have internal predecessors, (109), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-07-21 05:02:22,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 135 transitions. [2022-07-21 05:02:22,071 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 135 transitions. Word has length 49 [2022-07-21 05:02:22,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:22,071 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 135 transitions. [2022-07-21 05:02:22,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-21 05:02:22,072 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 135 transitions. [2022-07-21 05:02:22,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-21 05:02:22,072 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:22,072 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:22,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 05:02:22,073 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:22,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:22,073 INFO L85 PathProgramCache]: Analyzing trace with hash -2048289411, now seen corresponding path program 1 times [2022-07-21 05:02:22,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:22,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537472716] [2022-07-21 05:02:22,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:22,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:02:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 05:02:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:22,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:22,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537472716] [2022-07-21 05:02:22,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537472716] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:22,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:22,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 05:02:22,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622954921] [2022-07-21 05:02:22,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:22,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 05:02:22,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:22,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 05:02:22,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 05:02:22,121 INFO L87 Difference]: Start difference. First operand 109 states and 135 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:02:22,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:22,152 INFO L93 Difference]: Finished difference Result 234 states and 298 transitions. [2022-07-21 05:02:22,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 05:02:22,153 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 1 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 51 [2022-07-21 05:02:22,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:22,154 INFO L225 Difference]: With dead ends: 234 [2022-07-21 05:02:22,155 INFO L226 Difference]: Without dead ends: 133 [2022-07-21 05:02:22,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:02:22,156 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 33 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:22,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 348 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:02:22,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-07-21 05:02:22,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 112. [2022-07-21 05:02:22,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 89 states have (on average 1.2584269662921348) internal successors, (112), 96 states have internal predecessors, (112), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-07-21 05:02:22,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 138 transitions. [2022-07-21 05:02:22,172 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 138 transitions. Word has length 51 [2022-07-21 05:02:22,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:22,173 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 138 transitions. [2022-07-21 05:02:22,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:02:22,174 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 138 transitions. [2022-07-21 05:02:22,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-21 05:02:22,175 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:22,175 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:22,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 05:02:22,176 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:22,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:22,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1625587585, now seen corresponding path program 1 times [2022-07-21 05:02:22,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:22,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471124173] [2022-07-21 05:02:22,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:22,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:02:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 05:02:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:22,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:22,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471124173] [2022-07-21 05:02:22,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471124173] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:22,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:22,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 05:02:22,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817495689] [2022-07-21 05:02:22,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:22,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 05:02:22,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:22,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 05:02:22,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 05:02:22,239 INFO L87 Difference]: Start difference. First operand 112 states and 138 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:02:22,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:22,264 INFO L93 Difference]: Finished difference Result 232 states and 293 transitions. [2022-07-21 05:02:22,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 05:02:22,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (3), 1 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 51 [2022-07-21 05:02:22,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:22,268 INFO L225 Difference]: With dead ends: 232 [2022-07-21 05:02:22,268 INFO L226 Difference]: Without dead ends: 128 [2022-07-21 05:02:22,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 05:02:22,271 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 27 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:22,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 246 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:02:22,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-07-21 05:02:22,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 114. [2022-07-21 05:02:22,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 91 states have (on average 1.2527472527472527) internal successors, (114), 98 states have internal predecessors, (114), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-07-21 05:02:22,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 140 transitions. [2022-07-21 05:02:22,297 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 140 transitions. Word has length 51 [2022-07-21 05:02:22,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:22,298 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 140 transitions. [2022-07-21 05:02:22,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:02:22,298 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2022-07-21 05:02:22,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-21 05:02:22,299 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:22,299 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:22,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 05:02:22,300 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:22,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:22,301 INFO L85 PathProgramCache]: Analyzing trace with hash 863941377, now seen corresponding path program 1 times [2022-07-21 05:02:22,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:22,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362485843] [2022-07-21 05:02:22,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:22,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:02:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 05:02:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:22,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:22,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362485843] [2022-07-21 05:02:22,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362485843] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:22,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:22,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 05:02:22,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526209928] [2022-07-21 05:02:22,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:22,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:02:22,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:22,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:02:22,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:02:22,372 INFO L87 Difference]: Start difference. First operand 114 states and 140 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-07-21 05:02:22,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:22,391 INFO L93 Difference]: Finished difference Result 266 states and 331 transitions. [2022-07-21 05:02:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:02:22,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 51 [2022-07-21 05:02:22,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:22,393 INFO L225 Difference]: With dead ends: 266 [2022-07-21 05:02:22,393 INFO L226 Difference]: Without dead ends: 160 [2022-07-21 05:02:22,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:02:22,394 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 35 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:22,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 159 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:02:22,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-07-21 05:02:22,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2022-07-21 05:02:22,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 127 states have (on average 1.2283464566929134) internal successors, (156), 135 states have internal predecessors, (156), 18 states have call successors, (18), 15 states have call predecessors, (18), 14 states have return successors, (20), 17 states have call predecessors, (20), 18 states have call successors, (20) [2022-07-21 05:02:22,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 194 transitions. [2022-07-21 05:02:22,404 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 194 transitions. Word has length 51 [2022-07-21 05:02:22,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:22,405 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 194 transitions. [2022-07-21 05:02:22,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-07-21 05:02:22,405 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 194 transitions. [2022-07-21 05:02:22,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-21 05:02:22,406 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:22,406 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:22,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 05:02:22,407 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:22,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:22,407 INFO L85 PathProgramCache]: Analyzing trace with hash 159207591, now seen corresponding path program 1 times [2022-07-21 05:02:22,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:22,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414003577] [2022-07-21 05:02:22,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:22,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 05:02:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 05:02:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 05:02:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:22,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:22,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414003577] [2022-07-21 05:02:22,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414003577] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:22,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:22,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 05:02:22,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377733919] [2022-07-21 05:02:22,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:22,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 05:02:22,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:22,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 05:02:22,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-21 05:02:22,513 INFO L87 Difference]: Start difference. First operand 160 states and 194 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-21 05:02:22,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:22,817 INFO L93 Difference]: Finished difference Result 540 states and 679 transitions. [2022-07-21 05:02:22,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 05:02:22,817 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 55 [2022-07-21 05:02:22,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:22,820 INFO L225 Difference]: With dead ends: 540 [2022-07-21 05:02:22,820 INFO L226 Difference]: Without dead ends: 434 [2022-07-21 05:02:22,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-07-21 05:02:22,822 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 223 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:22,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 637 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 05:02:22,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2022-07-21 05:02:22,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 400. [2022-07-21 05:02:22,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 319 states have (on average 1.2163009404388714) internal successors, (388), 341 states have internal predecessors, (388), 44 states have call successors, (44), 33 states have call predecessors, (44), 36 states have return successors, (54), 42 states have call predecessors, (54), 44 states have call successors, (54) [2022-07-21 05:02:22,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 486 transitions. [2022-07-21 05:02:22,852 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 486 transitions. Word has length 55 [2022-07-21 05:02:22,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:22,853 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 486 transitions. [2022-07-21 05:02:22,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-21 05:02:22,853 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 486 transitions. [2022-07-21 05:02:22,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-07-21 05:02:22,854 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:22,855 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:22,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 05:02:22,855 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:22,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:22,856 INFO L85 PathProgramCache]: Analyzing trace with hash -2045084638, now seen corresponding path program 1 times [2022-07-21 05:02:22,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:22,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944355002] [2022-07-21 05:02:22,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:22,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 05:02:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 05:02:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:02:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 05:02:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 05:02:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-21 05:02:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:22,959 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-21 05:02:22,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:22,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944355002] [2022-07-21 05:02:22,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944355002] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 05:02:22,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235541437] [2022-07-21 05:02:22,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:22,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 05:02:22,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:02:22,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 05:02:22,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 05:02:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:23,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 05:02:23,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 05:02:23,209 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:02:23,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 05:02:23,322 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-21 05:02:23,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235541437] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 05:02:23,323 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 05:02:23,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2022-07-21 05:02:23,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538560178] [2022-07-21 05:02:23,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 05:02:23,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-21 05:02:23,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:23,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-21 05:02:23,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-07-21 05:02:23,325 INFO L87 Difference]: Start difference. First operand 400 states and 486 transitions. Second operand has 15 states, 15 states have (on average 7.2) internal successors, (108), 11 states have internal predecessors, (108), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2022-07-21 05:02:23,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:23,883 INFO L93 Difference]: Finished difference Result 641 states and 804 transitions. [2022-07-21 05:02:23,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-21 05:02:23,883 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.2) internal successors, (108), 11 states have internal predecessors, (108), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) Word has length 87 [2022-07-21 05:02:23,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:23,884 INFO L225 Difference]: With dead ends: 641 [2022-07-21 05:02:23,884 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 05:02:23,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 189 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=754, Unknown=0, NotChecked=0, Total=930 [2022-07-21 05:02:23,887 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 280 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:23,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 975 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 05:02:23,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 05:02:23,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 05:02:23,889 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) [2022-07-21 05:02:23,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 05:02:23,890 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2022-07-21 05:02:23,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:23,890 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 05:02:23,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.2) internal successors, (108), 11 states have internal predecessors, (108), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2022-07-21 05:02:23,890 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 05:02:23,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 05:02:23,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 05:02:23,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 05:02:24,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-21 05:02:24,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 05:02:26,736 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 815 821) no Hoare annotation was computed. [2022-07-21 05:02:26,736 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 815 821) the Hoare annotation is: true [2022-07-21 05:02:26,737 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 647 658) the Hoare annotation is: true [2022-07-21 05:02:26,737 INFO L899 garLoopResultBuilder]: For program point L651-1(lines 647 658) no Hoare annotation was computed. [2022-07-21 05:02:26,737 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 647 658) no Hoare annotation was computed. [2022-07-21 05:02:26,737 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2022-07-21 05:02:26,737 INFO L899 garLoopResultBuilder]: For program point L795(lines 795 801) no Hoare annotation was computed. [2022-07-21 05:02:26,737 INFO L899 garLoopResultBuilder]: For program point L795-2(lines 791 813) no Hoare annotation was computed. [2022-07-21 05:02:26,737 INFO L895 garLoopResultBuilder]: At program point L696(lines 691 699) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= ~waterLevel~0 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse3 (= 0 ~systemActive~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse4 .cse3 .cse5 (and .cse1 .cse6 .cse2)) (or .cse7 (not (= |old(~waterLevel~0)| 1)) (and .cse8 .cse6) .cse3) (let ((.cse9 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse8 .cse9 .cse10) .cse7 .cse4 (and .cse1 .cse9 .cse10) .cse3 .cse5)))) [2022-07-21 05:02:26,738 INFO L895 garLoopResultBuilder]: At program point L853(lines 848 855) the Hoare annotation is: (let ((.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (and (<= 1 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse4 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2))) [2022-07-21 05:02:26,738 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-07-21 05:02:26,738 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 788 814) no Hoare annotation was computed. [2022-07-21 05:02:26,738 INFO L895 garLoopResultBuilder]: At program point L69(lines 62 71) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse1 (and (<= 1 ~pumpRunning~0) .cse5 (<= 1 ~switchedOnBeforeTS~0))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 (and .cse4 .cse5) .cse6 .cse2 .cse7) (or .cse0 .cse6 .cse1 .cse2 .cse7) (or .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= ~waterLevel~0 1)) .cse2)))) [2022-07-21 05:02:26,738 INFO L895 garLoopResultBuilder]: At program point L709(lines 700 713) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= |timeShift_isHighWaterSensorDry_#res#1| 1) .cse1 (= ~waterLevel~0 1)) .cse2) (or .cse3 .cse4 .cse2 .cse5) (or .cse3 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse4 .cse2 .cse5))) [2022-07-21 05:02:26,738 INFO L895 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (let ((.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= |timeShift_processEnvironment_~tmp~6#1| 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and .cse5 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse2 (and .cse5 .cse6 (= ~waterLevel~0 1))))) [2022-07-21 05:02:26,738 INFO L895 garLoopResultBuilder]: At program point L953(lines 938 956) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= |timeShift_isHighWaterLevel_~tmp___0~2#1| 0) (= |timeShift_isHighWaterLevel_#res#1| 0) (= ~waterLevel~0 1)) .cse2) (or .cse3 .cse4 .cse2 .cse5) (or .cse3 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse4 .cse2 .cse5))) [2022-07-21 05:02:26,739 INFO L895 garLoopResultBuilder]: At program point L664(lines 659 667) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse2))) [2022-07-21 05:02:26,739 INFO L899 garLoopResultBuilder]: For program point L627(lines 627 631) no Hoare annotation was computed. [2022-07-21 05:02:26,739 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~waterLevel~0 1)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 .cse5 .cse3 .cse6) (or .cse0 .cse5 .cse3 .cse6 (and .cse1 .cse7 .cse2)) (or .cse4 (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse7) .cse3))) [2022-07-21 05:02:26,739 INFO L895 garLoopResultBuilder]: At program point L627-2(lines 623 634) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 .cse5 .cse3 .cse6) (or .cse0 .cse5 .cse3 .cse6 (and .cse1 (= ~waterLevel~0 1) .cse2)) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse3))) [2022-07-21 05:02:26,740 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-07-21 05:02:26,740 INFO L895 garLoopResultBuilder]: At program point L842(line 842) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 .cse5 .cse3 .cse6) (or .cse0 .cse5 .cse3 .cse6 (and .cse1 (= ~waterLevel~0 1) .cse2)) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse3))) [2022-07-21 05:02:26,740 INFO L895 garLoopResultBuilder]: At program point L842-1(lines 823 847) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (< 1 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse9 (= ~waterLevel~0 1)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse4 (and .cse5 .cse6) .cse7 (and .cse1 .cse6) .cse3 .cse8)) (or .cse0 .cse7 .cse3 .cse8 (and .cse1 .cse9 .cse2)) (or .cse4 (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse9) .cse3))) [2022-07-21 05:02:26,740 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-21 05:02:26,740 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse8))) (and (or (and .cse0 .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse4 .cse5 .cse3 .cse6 .cse7) (or (and .cse0 .cse1 .cse8) .cse2 .cse5 .cse3 .cse6) (or .cse4 .cse3 .cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-21 05:02:26,741 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-07-21 05:02:26,741 INFO L899 garLoopResultBuilder]: For program point L802-1(lines 802 808) no Hoare annotation was computed. [2022-07-21 05:02:26,741 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 870) no Hoare annotation was computed. [2022-07-21 05:02:26,741 INFO L899 garLoopResultBuilder]: For program point L831(lines 831 839) no Hoare annotation was computed. [2022-07-21 05:02:26,741 INFO L895 garLoopResultBuilder]: At program point L864-2(lines 857 873) the Hoare annotation is: (let ((.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse4 (and (= ~pumpRunning~0 0) .cse5) .cse1 (and (<= 1 ~pumpRunning~0) .cse5) .cse2 .cse3)) (or .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse2))) [2022-07-21 05:02:26,741 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 844) no Hoare annotation was computed. [2022-07-21 05:02:26,742 INFO L895 garLoopResultBuilder]: At program point L889(lines 882 892) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse2))) [2022-07-21 05:02:26,742 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2022-07-21 05:02:26,742 INFO L895 garLoopResultBuilder]: At program point L212(lines 207 214) the Hoare annotation is: (let ((.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse2))) [2022-07-21 05:02:26,742 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 951) no Hoare annotation was computed. [2022-07-21 05:02:26,742 INFO L899 garLoopResultBuilder]: For program point L947-2(lines 947 951) no Hoare annotation was computed. [2022-07-21 05:02:26,742 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2022-07-21 05:02:26,743 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 788 814) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse8))) (and (or (and .cse0 .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse4 .cse5 .cse3 .cse6 .cse7) (or (and .cse0 .cse1 .cse8) .cse2 .cse5 .cse3 .cse6) (or .cse4 .cse3 .cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-21 05:02:26,743 INFO L895 garLoopResultBuilder]: At program point L80-1(lines 72 100) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse6 (= ~waterLevel~0 1)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse4 .cse3 .cse5 (and .cse1 .cse6 .cse2)) (let ((.cse8 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2))) (or (and .cse7 .cse8 .cse9 .cse10) .cse11 .cse4 (and .cse1 .cse8 .cse9 .cse10) .cse3 .cse5)) (or .cse11 (not (= |old(~waterLevel~0)| 1)) (and .cse7 .cse6) .cse3))) [2022-07-21 05:02:26,743 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 788 814) no Hoare annotation was computed. [2022-07-21 05:02:26,743 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 211) no Hoare annotation was computed. [2022-07-21 05:02:26,743 INFO L902 garLoopResultBuilder]: At program point L129(lines 104 133) the Hoare annotation is: true [2022-07-21 05:02:26,744 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 104 133) no Hoare annotation was computed. [2022-07-21 05:02:26,744 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-21 05:02:26,744 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 104 133) the Hoare annotation is: true [2022-07-21 05:02:26,744 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2022-07-21 05:02:26,744 INFO L902 garLoopResultBuilder]: At program point L118-1(lines 118 122) the Hoare annotation is: true [2022-07-21 05:02:26,744 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-07-21 05:02:26,744 INFO L902 garLoopResultBuilder]: At program point L114-2(lines 114 128) the Hoare annotation is: true [2022-07-21 05:02:26,745 INFO L902 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: true [2022-07-21 05:02:26,745 INFO L899 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2022-07-21 05:02:26,745 INFO L895 garLoopResultBuilder]: At program point L246(lines 241 249) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-21 05:02:26,745 INFO L895 garLoopResultBuilder]: At program point L238(lines 234 240) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-21 05:02:26,745 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 752) no Hoare annotation was computed. [2022-07-21 05:02:26,745 INFO L899 garLoopResultBuilder]: For program point L746-1(lines 746 752) no Hoare annotation was computed. [2022-07-21 05:02:26,746 INFO L895 garLoopResultBuilder]: At program point L771(lines 726 773) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse1 .cse3 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-07-21 05:02:26,746 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse1 .cse3 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-07-21 05:02:26,746 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 200) no Hoare annotation was computed. [2022-07-21 05:02:26,746 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 05:02:26,746 INFO L899 garLoopResultBuilder]: For program point L193-2(lines 193 200) no Hoare annotation was computed. [2022-07-21 05:02:26,746 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 05:02:26,747 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 05:02:26,747 INFO L902 garLoopResultBuilder]: At program point L177(lines 169 179) the Hoare annotation is: true [2022-07-21 05:02:26,747 INFO L902 garLoopResultBuilder]: At program point L202(lines 183 205) the Hoare annotation is: true [2022-07-21 05:02:26,747 INFO L895 garLoopResultBuilder]: At program point L231(lines 227 233) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-21 05:02:26,747 INFO L895 garLoopResultBuilder]: At program point L165(lines 161 167) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~1#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-21 05:02:26,747 INFO L895 garLoopResultBuilder]: At program point L962(lines 957 964) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse1 .cse3 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-07-21 05:02:26,748 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 05:02:26,748 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 768) no Hoare annotation was computed. [2022-07-21 05:02:26,748 INFO L895 garLoopResultBuilder]: At program point L764-2(lines 756 769) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse1 .cse3 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-07-21 05:02:26,748 INFO L899 garLoopResultBuilder]: For program point L727(lines 726 773) no Hoare annotation was computed. [2022-07-21 05:02:26,748 INFO L899 garLoopResultBuilder]: For program point L756(lines 756 769) no Hoare annotation was computed. [2022-07-21 05:02:26,748 INFO L895 garLoopResultBuilder]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse1 .cse3 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-07-21 05:02:26,749 INFO L902 garLoopResultBuilder]: At program point L777(lines 716 781) the Hoare annotation is: true [2022-07-21 05:02:26,749 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 742) no Hoare annotation was computed. [2022-07-21 05:02:26,749 INFO L899 garLoopResultBuilder]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2022-07-21 05:02:26,749 INFO L895 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~1#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-21 05:02:26,749 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 732) no Hoare annotation was computed. [2022-07-21 05:02:26,749 INFO L895 garLoopResultBuilder]: At program point L774(lines 725 775) the Hoare annotation is: false [2022-07-21 05:02:26,750 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 635 646) no Hoare annotation was computed. [2022-07-21 05:02:26,750 INFO L899 garLoopResultBuilder]: For program point L639-1(lines 635 646) no Hoare annotation was computed. [2022-07-21 05:02:26,750 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 635 646) the Hoare annotation is: (let ((.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse3 .cse4 .cse1 .cse2 .cse5) (or .cse4 .cse0 .cse1 .cse2 .cse5) (or .cse3 (not (= |old(~waterLevel~0)| 1)) .cse2 (= ~waterLevel~0 1)))) [2022-07-21 05:02:26,750 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 893 901) no Hoare annotation was computed. [2022-07-21 05:02:26,750 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 893 901) the Hoare annotation is: true [2022-07-21 05:02:26,750 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 893 901) no Hoare annotation was computed. [2022-07-21 05:02:26,753 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:26,755 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 05:02:26,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 05:02:26 BoogieIcfgContainer [2022-07-21 05:02:26,783 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 05:02:26,783 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 05:02:26,784 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 05:02:26,784 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 05:02:26,784 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:02:20" (3/4) ... [2022-07-21 05:02:26,787 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 05:02:26,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-21 05:02:26,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-21 05:02:26,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-21 05:02:26,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-21 05:02:26,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-21 05:02:26,794 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-21 05:02:26,815 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-07-21 05:02:26,816 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-21 05:02:26,816 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-21 05:02:26,817 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 05:02:26,817 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 05:02:26,818 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:02:26,818 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:02:26,844 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-21 05:02:26,844 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-21 05:02:26,844 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-07-21 05:02:26,845 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0 && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) [2022-07-21 05:02:26,847 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) [2022-07-21 05:02:26,848 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-07-21 05:02:26,848 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0 && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) [2022-07-21 05:02:26,849 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || (((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) [2022-07-21 05:02:26,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) [2022-07-21 05:02:26,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-07-21 05:02:26,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive)) && (((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-07-21 05:02:26,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((\result == 1 && pumpRunning == 0) && waterLevel == 1)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-07-21 05:02:26,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && tmp___0 == 0) && \result == 0) && waterLevel == 1)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-07-21 05:02:26,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-07-21 05:02:26,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-07-21 05:02:26,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-07-21 05:02:26,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-07-21 05:02:26,886 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 05:02:26,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 05:02:26,887 INFO L158 Benchmark]: Toolchain (without parser) took 7279.65ms. Allocated memory was 48.2MB in the beginning and 111.1MB in the end (delta: 62.9MB). Free memory was 23.1MB in the beginning and 86.4MB in the end (delta: -63.3MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2022-07-21 05:02:26,888 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 48.2MB. Free memory was 30.3MB in the beginning and 30.3MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 05:02:26,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.16ms. Allocated memory was 48.2MB in the beginning and 62.9MB in the end (delta: 14.7MB). Free memory was 22.9MB in the beginning and 38.8MB in the end (delta: -15.9MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-07-21 05:02:26,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.23ms. Allocated memory is still 62.9MB. Free memory was 38.6MB in the beginning and 36.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:02:26,888 INFO L158 Benchmark]: Boogie Preprocessor took 50.52ms. Allocated memory is still 62.9MB. Free memory was 36.2MB in the beginning and 34.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:02:26,889 INFO L158 Benchmark]: RCFGBuilder took 388.76ms. Allocated memory is still 62.9MB. Free memory was 34.7MB in the beginning and 32.1MB in the end (delta: 2.6MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-07-21 05:02:26,889 INFO L158 Benchmark]: TraceAbstraction took 6111.10ms. Allocated memory was 62.9MB in the beginning and 111.1MB in the end (delta: 48.2MB). Free memory was 31.4MB in the beginning and 39.2MB in the end (delta: -7.8MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2022-07-21 05:02:26,890 INFO L158 Benchmark]: Witness Printer took 103.25ms. Allocated memory is still 111.1MB. Free memory was 39.2MB in the beginning and 86.4MB in the end (delta: -47.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:02:26,891 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 48.2MB. Free memory was 30.3MB in the beginning and 30.3MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.16ms. Allocated memory was 48.2MB in the beginning and 62.9MB in the end (delta: 14.7MB). Free memory was 22.9MB in the beginning and 38.8MB in the end (delta: -15.9MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.23ms. Allocated memory is still 62.9MB. Free memory was 38.6MB in the beginning and 36.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.52ms. Allocated memory is still 62.9MB. Free memory was 36.2MB in the beginning and 34.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.76ms. Allocated memory is still 62.9MB. Free memory was 34.7MB in the beginning and 32.1MB in the end (delta: 2.6MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6111.10ms. Allocated memory was 62.9MB in the beginning and 111.1MB in the end (delta: 48.2MB). Free memory was 31.4MB in the beginning and 39.2MB in the end (delta: -7.8MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Witness Printer took 103.25ms. Allocated memory is still 111.1MB. Free memory was 39.2MB in the beginning and 86.4MB in the end (delta: -47.2MB). Peak memory consumption was 2.1MB. 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: 211]: 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 7 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 823 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 807 mSDsluCounter, 3377 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2368 mSDsCounter, 192 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 933 IncrementalHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 192 mSolverCounterUnsat, 1009 mSDtfsCounter, 933 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 318 GetRequests, 249 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=400occurred in iteration=9, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 77 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 685 PreInvPairs, 800 NumberOfFragments, 1951 HoareAnnotationTreeSize, 685 FomulaSimplifications, 501 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 40 FomulaSimplificationsInter, 3568 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 577 NumberOfCodeBlocks, 577 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 652 ConstructedInterpolants, 0 QuantifiedInterpolants, 1383 SizeOfPredicates, 3 NumberOfNonLiveVariables, 454 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 97/117 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: 857]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive)) && (((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || (((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0 && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((\result == 1 && pumpRunning == 0) && waterLevel == 1)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0 && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && tmp___0 == 0) && \result == 0) && waterLevel == 1)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) RESULT: Ultimate proved your program to be correct! [2022-07-21 05:02:26,938 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