./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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_product56.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 7bcd24ea8f621c8db79e853f5aaf064ffcae573e6c1e9f03eb1f84bb0c15fc3c --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 06:21:13,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 06:21:13,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 06:21:13,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 06:21:13,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 06:21:13,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 06:21:13,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 06:21:13,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 06:21:13,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 06:21:13,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 06:21:13,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 06:21:13,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 06:21:13,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 06:21:13,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 06:21:13,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 06:21:13,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 06:21:13,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 06:21:13,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 06:21:13,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 06:21:13,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 06:21:13,239 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 06:21:13,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 06:21:13,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 06:21:13,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 06:21:13,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 06:21:13,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 06:21:13,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 06:21:13,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 06:21:13,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 06:21:13,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 06:21:13,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 06:21:13,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 06:21:13,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 06:21:13,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 06:21:13,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 06:21:13,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 06:21:13,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 06:21:13,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 06:21:13,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 06:21:13,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 06:21:13,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 06:21:13,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 06:21:13,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 06:21:13,291 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 06:21:13,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 06:21:13,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 06:21:13,291 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 06:21:13,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 06:21:13,292 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 06:21:13,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 06:21:13,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 06:21:13,293 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 06:21:13,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 06:21:13,295 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 06:21:13,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 06:21:13,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 06:21:13,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 06:21:13,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 06:21:13,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 06:21:13,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 06:21:13,296 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 06:21:13,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 06:21:13,296 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 06:21:13,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 06:21:13,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 06:21:13,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 06:21:13,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 06:21:13,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:21:13,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 06:21:13,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 06:21:13,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 06:21:13,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 06:21:13,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 06:21:13,298 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 06:21:13,299 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 06:21:13,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 06:21:13,299 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bcd24ea8f621c8db79e853f5aaf064ffcae573e6c1e9f03eb1f84bb0c15fc3c [2022-07-12 06:21:13,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 06:21:13,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 06:21:13,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 06:21:13,617 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 06:21:13,624 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 06:21:13,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product56.cil.c [2022-07-12 06:21:13,710 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a669f1124/9c7f8161b2f448c482d6ccb0575541a4/FLAGb703368b4 [2022-07-12 06:21:14,266 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 06:21:14,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product56.cil.c [2022-07-12 06:21:14,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a669f1124/9c7f8161b2f448c482d6ccb0575541a4/FLAGb703368b4 [2022-07-12 06:21:14,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a669f1124/9c7f8161b2f448c482d6ccb0575541a4 [2022-07-12 06:21:14,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 06:21:14,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 06:21:14,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 06:21:14,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 06:21:14,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 06:21:14,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:21:14" (1/1) ... [2022-07-12 06:21:14,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d57265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:21:14, skipping insertion in model container [2022-07-12 06:21:14,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:21:14" (1/1) ... [2022-07-12 06:21:14,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 06:21:14,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 06:21:15,062 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_product56.cil.c[8146,8159] [2022-07-12 06:21:15,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:21:15,185 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 06:21:15,251 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_product56.cil.c[8146,8159] [2022-07-12 06:21:15,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:21:15,304 INFO L208 MainTranslator]: Completed translation [2022-07-12 06:21:15,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:21:15 WrapperNode [2022-07-12 06:21:15,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 06:21:15,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 06:21:15,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 06:21:15,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 06:21:15,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:21:15" (1/1) ... [2022-07-12 06:21:15,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:21:15" (1/1) ... [2022-07-12 06:21:15,354 INFO L137 Inliner]: procedures = 60, calls = 164, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 294 [2022-07-12 06:21:15,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 06:21:15,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 06:21:15,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 06:21:15,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 06:21:15,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:21:15" (1/1) ... [2022-07-12 06:21:15,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:21:15" (1/1) ... [2022-07-12 06:21:15,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:21:15" (1/1) ... [2022-07-12 06:21:15,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:21:15" (1/1) ... [2022-07-12 06:21:15,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:21:15" (1/1) ... [2022-07-12 06:21:15,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:21:15" (1/1) ... [2022-07-12 06:21:15,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:21:15" (1/1) ... [2022-07-12 06:21:15,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 06:21:15,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 06:21:15,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 06:21:15,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 06:21:15,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:21:15" (1/1) ... [2022-07-12 06:21:15,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:21:15,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:21:15,456 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) [2022-07-12 06:21:15,480 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 [2022-07-12 06:21:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 06:21:15,518 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-12 06:21:15,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-12 06:21:15,518 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-12 06:21:15,518 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-12 06:21:15,518 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-12 06:21:15,518 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-12 06:21:15,518 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-12 06:21:15,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-12 06:21:15,518 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-12 06:21:15,519 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-12 06:21:15,519 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-12 06:21:15,519 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-12 06:21:15,519 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-12 06:21:15,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-12 06:21:15,519 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-12 06:21:15,519 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-12 06:21:15,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 06:21:15,519 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-12 06:21:15,520 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-12 06:21:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 06:21:15,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 06:21:15,640 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 06:21:15,642 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 06:21:15,947 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 06:21:15,956 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 06:21:15,959 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 06:21:15,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:21:15 BoogieIcfgContainer [2022-07-12 06:21:15,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 06:21:15,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 06:21:15,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 06:21:15,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 06:21:15,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 06:21:14" (1/3) ... [2022-07-12 06:21:15,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@555aebae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:21:15, skipping insertion in model container [2022-07-12 06:21:15,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:21:15" (2/3) ... [2022-07-12 06:21:15,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@555aebae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:21:15, skipping insertion in model container [2022-07-12 06:21:15,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:21:15" (3/3) ... [2022-07-12 06:21:15,972 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2022-07-12 06:21:15,985 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 06:21:15,986 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 06:21:16,045 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 06:21:16,052 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@562ffe96, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@331a76ce [2022-07-12 06:21:16,052 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 06:21:16,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 93 states have internal predecessors, (112), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2022-07-12 06:21:16,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-12 06:21:16,067 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:21:16,068 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] [2022-07-12 06:21:16,069 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:21:16,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:21:16,076 INFO L85 PathProgramCache]: Analyzing trace with hash 2077500872, now seen corresponding path program 1 times [2022-07-12 06:21:16,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:21:16,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623405585] [2022-07-12 06:21:16,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:16,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:21:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:16,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 06:21:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:16,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:21:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:16,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:21:16,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:21:16,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623405585] [2022-07-12 06:21:16,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623405585] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:21:16,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:21:16,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 06:21:16,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422986994] [2022-07-12 06:21:16,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:21:16,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 06:21:16,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:21:16,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 06:21:16,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 06:21:16,542 INFO L87 Difference]: Start difference. First operand has 110 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 93 states have internal predecessors, (112), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) 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) [2022-07-12 06:21:16,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:21:16,599 INFO L93 Difference]: Finished difference Result 211 states and 286 transitions. [2022-07-12 06:21:16,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 06:21:16,625 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 [2022-07-12 06:21:16,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:21:16,637 INFO L225 Difference]: With dead ends: 211 [2022-07-12 06:21:16,637 INFO L226 Difference]: Without dead ends: 101 [2022-07-12 06:21:16,644 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 [2022-07-12 06:21:16,647 INFO L413 NwaCegarLoop]: 140 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, 140 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 [2022-07-12 06:21:16,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:21:16,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-07-12 06:21:16,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-07-12 06:21:16,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 75 states have (on average 1.3066666666666666) internal successors, (98), 85 states have internal predecessors, (98), 17 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-07-12 06:21:16,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 131 transitions. [2022-07-12 06:21:16,711 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 131 transitions. Word has length 32 [2022-07-12 06:21:16,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:21:16,711 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 131 transitions. [2022-07-12 06:21:16,711 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) [2022-07-12 06:21:16,712 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 131 transitions. [2022-07-12 06:21:16,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-12 06:21:16,714 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:21:16,714 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] [2022-07-12 06:21:16,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 06:21:16,714 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:21:16,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:21:16,715 INFO L85 PathProgramCache]: Analyzing trace with hash 604529845, now seen corresponding path program 1 times [2022-07-12 06:21:16,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:21:16,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451068793] [2022-07-12 06:21:16,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:16,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:21:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:16,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 06:21:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:16,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 06:21:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:16,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:21:16,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:21:16,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451068793] [2022-07-12 06:21:16,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451068793] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:21:16,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:21:16,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:21:16,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195451141] [2022-07-12 06:21:16,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:21:16,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:21:16,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:21:16,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:21:16,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:21:16,912 INFO L87 Difference]: Start difference. First operand 101 states and 131 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) [2022-07-12 06:21:16,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:21:16,972 INFO L93 Difference]: Finished difference Result 162 states and 210 transitions. [2022-07-12 06:21:16,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:21:16,974 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 [2022-07-12 06:21:16,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:21:16,978 INFO L225 Difference]: With dead ends: 162 [2022-07-12 06:21:16,979 INFO L226 Difference]: Without dead ends: 92 [2022-07-12 06:21:16,979 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 [2022-07-12 06:21:16,980 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 17 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 214 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 [2022-07-12 06:21:16,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 214 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:21:16,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-07-12 06:21:16,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-07-12 06:21:17,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 69 states have (on average 1.318840579710145) internal successors, (91), 79 states have internal predecessors, (91), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-07-12 06:21:17,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2022-07-12 06:21:17,009 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 33 [2022-07-12 06:21:17,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:21:17,010 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions. [2022-07-12 06:21:17,010 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) [2022-07-12 06:21:17,010 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2022-07-12 06:21:17,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-12 06:21:17,011 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:21:17,011 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] [2022-07-12 06:21:17,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 06:21:17,011 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:21:17,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:21:17,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1594505260, now seen corresponding path program 1 times [2022-07-12 06:21:17,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:21:17,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169138609] [2022-07-12 06:21:17,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:17,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:21:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:17,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:21:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:17,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 06:21:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:17,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:21:17,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:21:17,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169138609] [2022-07-12 06:21:17,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169138609] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:21:17,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:21:17,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 06:21:17,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094563310] [2022-07-12 06:21:17,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:21:17,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 06:21:17,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:21:17,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 06:21:17,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 06:21:17,180 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-12 06:21:17,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:21:17,238 INFO L93 Difference]: Finished difference Result 258 states and 340 transitions. [2022-07-12 06:21:17,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 06:21:17,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-07-12 06:21:17,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:21:17,250 INFO L225 Difference]: With dead ends: 258 [2022-07-12 06:21:17,251 INFO L226 Difference]: Without dead ends: 174 [2022-07-12 06:21:17,252 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 [2022-07-12 06:21:17,253 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 107 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 06:21:17,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 252 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 06:21:17,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-07-12 06:21:17,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 171. [2022-07-12 06:21:17,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 126 states have (on average 1.3412698412698412) internal successors, (169), 145 states have internal predecessors, (169), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (28), 17 states have call predecessors, (28), 28 states have call successors, (28) [2022-07-12 06:21:17,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 225 transitions. [2022-07-12 06:21:17,312 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 225 transitions. Word has length 38 [2022-07-12 06:21:17,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:21:17,328 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 225 transitions. [2022-07-12 06:21:17,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-12 06:21:17,328 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 225 transitions. [2022-07-12 06:21:17,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-12 06:21:17,337 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:21:17,337 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] [2022-07-12 06:21:17,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 06:21:17,338 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:21:17,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:21:17,338 INFO L85 PathProgramCache]: Analyzing trace with hash -969732780, now seen corresponding path program 1 times [2022-07-12 06:21:17,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:21:17,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210242070] [2022-07-12 06:21:17,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:17,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:21:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:17,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 06:21:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:17,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 06:21:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:17,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-12 06:21:17,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:21:17,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210242070] [2022-07-12 06:21:17,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210242070] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:21:17,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:21:17,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:21:17,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427583616] [2022-07-12 06:21:17,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:21:17,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:21:17,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:21:17,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:21:17,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:21:17,553 INFO L87 Difference]: Start difference. First operand 171 states and 225 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:21:17,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:21:17,802 INFO L93 Difference]: Finished difference Result 445 states and 602 transitions. [2022-07-12 06:21:17,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 06:21:17,828 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-07-12 06:21:17,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:21:17,831 INFO L225 Difference]: With dead ends: 445 [2022-07-12 06:21:17,831 INFO L226 Difference]: Without dead ends: 282 [2022-07-12 06:21:17,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-12 06:21:17,833 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 57 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:21:17,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 568 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 06:21:17,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-07-12 06:21:17,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 269. [2022-07-12 06:21:17,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 200 states have (on average 1.29) internal successors, (258), 217 states have internal predecessors, (258), 38 states have call successors, (38), 30 states have call predecessors, (38), 30 states have return successors, (50), 33 states have call predecessors, (50), 38 states have call successors, (50) [2022-07-12 06:21:17,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 346 transitions. [2022-07-12 06:21:17,894 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 346 transitions. Word has length 41 [2022-07-12 06:21:17,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:21:17,897 INFO L495 AbstractCegarLoop]: Abstraction has 269 states and 346 transitions. [2022-07-12 06:21:17,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-12 06:21:17,915 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 346 transitions. [2022-07-12 06:21:17,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-12 06:21:17,919 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:21:17,919 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, 1, 1] [2022-07-12 06:21:17,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 06:21:17,920 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:21:17,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:21:17,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1724941251, now seen corresponding path program 1 times [2022-07-12 06:21:17,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:21:17,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214960601] [2022-07-12 06:21:17,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:17,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:21:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:18,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:21:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:18,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 06:21:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:18,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:18,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 06:21:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:18,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:21:18,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:21:18,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214960601] [2022-07-12 06:21:18,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214960601] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:21:18,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:21:18,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:21:18,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747995134] [2022-07-12 06:21:18,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:21:18,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:21:18,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:21:18,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:21:18,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:21:18,109 INFO L87 Difference]: Start difference. First operand 269 states and 346 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-12 06:21:18,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:21:18,503 INFO L93 Difference]: Finished difference Result 853 states and 1148 transitions. [2022-07-12 06:21:18,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 06:21:18,504 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 57 [2022-07-12 06:21:18,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:21:18,523 INFO L225 Difference]: With dead ends: 853 [2022-07-12 06:21:18,523 INFO L226 Difference]: Without dead ends: 592 [2022-07-12 06:21:18,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-07-12 06:21:18,530 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 193 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 06:21:18,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 473 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 06:21:18,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2022-07-12 06:21:18,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 529. [2022-07-12 06:21:18,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 396 states have (on average 1.2575757575757576) internal successors, (498), 418 states have internal predecessors, (498), 69 states have call successors, (69), 53 states have call predecessors, (69), 63 states have return successors, (107), 72 states have call predecessors, (107), 69 states have call successors, (107) [2022-07-12 06:21:18,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 674 transitions. [2022-07-12 06:21:18,665 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 674 transitions. Word has length 57 [2022-07-12 06:21:18,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:21:18,665 INFO L495 AbstractCegarLoop]: Abstraction has 529 states and 674 transitions. [2022-07-12 06:21:18,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-12 06:21:18,666 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 674 transitions. [2022-07-12 06:21:18,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-12 06:21:18,667 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:21:18,668 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, 1, 1] [2022-07-12 06:21:18,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 06:21:18,668 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:21:18,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:21:18,669 INFO L85 PathProgramCache]: Analyzing trace with hash 80497083, now seen corresponding path program 1 times [2022-07-12 06:21:18,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:21:18,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357808605] [2022-07-12 06:21:18,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:18,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:21:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:18,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:21:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:18,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 06:21:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:18,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:18,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 06:21:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:18,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:21:18,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:21:18,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357808605] [2022-07-12 06:21:18,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357808605] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:21:18,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:21:18,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:21:18,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499615230] [2022-07-12 06:21:18,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:21:18,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:21:18,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:21:18,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:21:18,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:21:18,828 INFO L87 Difference]: Start difference. First operand 529 states and 674 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-12 06:21:19,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:21:19,068 INFO L93 Difference]: Finished difference Result 1076 states and 1397 transitions. [2022-07-12 06:21:19,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 06:21:19,069 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2022-07-12 06:21:19,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:21:19,073 INFO L225 Difference]: With dead ends: 1076 [2022-07-12 06:21:19,073 INFO L226 Difference]: Without dead ends: 555 [2022-07-12 06:21:19,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-12 06:21:19,096 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 74 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 06:21:19,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 452 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 06:21:19,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2022-07-12 06:21:19,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 541. [2022-07-12 06:21:19,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 408 states have (on average 1.25) internal successors, (510), 430 states have internal predecessors, (510), 69 states have call successors, (69), 53 states have call predecessors, (69), 63 states have return successors, (107), 72 states have call predecessors, (107), 69 states have call successors, (107) [2022-07-12 06:21:19,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 686 transitions. [2022-07-12 06:21:19,167 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 686 transitions. Word has length 57 [2022-07-12 06:21:19,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:21:19,168 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 686 transitions. [2022-07-12 06:21:19,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-12 06:21:19,168 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 686 transitions. [2022-07-12 06:21:19,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-12 06:21:19,170 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:21:19,170 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, 1, 1] [2022-07-12 06:21:19,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 06:21:19,171 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:21:19,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:21:19,171 INFO L85 PathProgramCache]: Analyzing trace with hash 503198909, now seen corresponding path program 1 times [2022-07-12 06:21:19,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:21:19,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881943081] [2022-07-12 06:21:19,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:19,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:21:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:19,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 06:21:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:19,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 06:21:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:19,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:19,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 06:21:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:19,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:21:19,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:21:19,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881943081] [2022-07-12 06:21:19,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881943081] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:21:19,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:21:19,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 06:21:19,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056916342] [2022-07-12 06:21:19,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:21:19,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 06:21:19,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:21:19,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 06:21:19,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 06:21:19,323 INFO L87 Difference]: Start difference. First operand 541 states and 686 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-12 06:21:19,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:21:19,688 INFO L93 Difference]: Finished difference Result 996 states and 1286 transitions. [2022-07-12 06:21:19,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 06:21:19,689 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 57 [2022-07-12 06:21:19,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:21:19,692 INFO L225 Difference]: With dead ends: 996 [2022-07-12 06:21:19,693 INFO L226 Difference]: Without dead ends: 463 [2022-07-12 06:21:19,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-12 06:21:19,697 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 250 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 06:21:19,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 457 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 06:21:19,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2022-07-12 06:21:19,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 447. [2022-07-12 06:21:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 336 states have (on average 1.2291666666666667) internal successors, (413), 355 states have internal predecessors, (413), 58 states have call successors, (58), 44 states have call predecessors, (58), 52 states have return successors, (80), 59 states have call predecessors, (80), 58 states have call successors, (80) [2022-07-12 06:21:19,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 551 transitions. [2022-07-12 06:21:19,738 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 551 transitions. Word has length 57 [2022-07-12 06:21:19,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:21:19,738 INFO L495 AbstractCegarLoop]: Abstraction has 447 states and 551 transitions. [2022-07-12 06:21:19,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-12 06:21:19,739 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 551 transitions. [2022-07-12 06:21:19,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-07-12 06:21:19,743 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:21:19,744 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, 1, 1, 1, 1, 1, 1] [2022-07-12 06:21:19,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 06:21:19,744 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:21:19,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:21:19,745 INFO L85 PathProgramCache]: Analyzing trace with hash 924671973, now seen corresponding path program 1 times [2022-07-12 06:21:19,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:21:19,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265087737] [2022-07-12 06:21:19,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:19,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:21:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:19,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:21:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:19,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 06:21:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:19,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 06:21:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:19,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:19,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-12 06:21:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:19,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 06:21:19,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:21:19,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265087737] [2022-07-12 06:21:19,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265087737] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:21:19,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:21:19,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 06:21:19,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507634282] [2022-07-12 06:21:19,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:21:19,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 06:21:19,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:21:19,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 06:21:19,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-12 06:21:19,992 INFO L87 Difference]: Start difference. First operand 447 states and 551 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-12 06:21:21,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:21:21,635 INFO L93 Difference]: Finished difference Result 1669 states and 2221 transitions. [2022-07-12 06:21:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-07-12 06:21:21,636 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 61 [2022-07-12 06:21:21,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:21:21,658 INFO L225 Difference]: With dead ends: 1669 [2022-07-12 06:21:21,658 INFO L226 Difference]: Without dead ends: 1344 [2022-07-12 06:21:21,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2022-07-12 06:21:21,661 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 624 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 06:21:21,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 963 Invalid, 1271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 06:21:21,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2022-07-12 06:21:21,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1190. [2022-07-12 06:21:21,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1190 states, 887 states have (on average 1.2232243517474635) internal successors, (1085), 944 states have internal predecessors, (1085), 160 states have call successors, (160), 118 states have call predecessors, (160), 142 states have return successors, (260), 162 states have call predecessors, (260), 160 states have call successors, (260) [2022-07-12 06:21:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1505 transitions. [2022-07-12 06:21:21,794 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1505 transitions. Word has length 61 [2022-07-12 06:21:21,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:21:21,794 INFO L495 AbstractCegarLoop]: Abstraction has 1190 states and 1505 transitions. [2022-07-12 06:21:21,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-12 06:21:21,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1505 transitions. [2022-07-12 06:21:21,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-12 06:21:21,797 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:21:21,800 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:21:21,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 06:21:21,800 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:21:21,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:21:21,801 INFO L85 PathProgramCache]: Analyzing trace with hash 798113011, now seen corresponding path program 1 times [2022-07-12 06:21:21,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:21:21,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035505888] [2022-07-12 06:21:21,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:21,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:21:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:21,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:21:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:21,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 06:21:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:21,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:21:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:21,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 06:21:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:21,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:21,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-12 06:21:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:21,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 06:21:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:21,950 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-12 06:21:21,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:21:21,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035505888] [2022-07-12 06:21:21,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035505888] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:21:21,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:21:21,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 06:21:21,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391861886] [2022-07-12 06:21:21,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:21:21,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 06:21:21,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:21:21,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 06:21:21,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 06:21:21,953 INFO L87 Difference]: Start difference. First operand 1190 states and 1505 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2022-07-12 06:21:22,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:21:22,424 INFO L93 Difference]: Finished difference Result 2008 states and 2529 transitions. [2022-07-12 06:21:22,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 06:21:22,425 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 91 [2022-07-12 06:21:22,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:21:22,429 INFO L225 Difference]: With dead ends: 2008 [2022-07-12 06:21:22,433 INFO L226 Difference]: Without dead ends: 826 [2022-07-12 06:21:22,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-07-12 06:21:22,438 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 345 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 06:21:22,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 381 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 06:21:22,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2022-07-12 06:21:22,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 790. [2022-07-12 06:21:22,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 594 states have (on average 1.2121212121212122) internal successors, (720), 633 states have internal predecessors, (720), 104 states have call successors, (104), 79 states have call predecessors, (104), 91 states have return successors, (155), 105 states have call predecessors, (155), 104 states have call successors, (155) [2022-07-12 06:21:22,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 979 transitions. [2022-07-12 06:21:22,479 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 979 transitions. Word has length 91 [2022-07-12 06:21:22,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:21:22,479 INFO L495 AbstractCegarLoop]: Abstraction has 790 states and 979 transitions. [2022-07-12 06:21:22,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2022-07-12 06:21:22,480 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 979 transitions. [2022-07-12 06:21:22,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-12 06:21:22,481 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:21:22,481 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:21:22,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 06:21:22,482 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:21:22,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:21:22,482 INFO L85 PathProgramCache]: Analyzing trace with hash -726468575, now seen corresponding path program 1 times [2022-07-12 06:21:22,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:21:22,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268564359] [2022-07-12 06:21:22,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:22,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:21:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:22,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:21:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:22,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 06:21:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:22,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:21:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:22,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 06:21:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:22,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:22,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 06:21:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:22,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 06:21:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:22,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 06:21:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:22,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:22,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 06:21:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:22,626 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-12 06:21:22,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:21:22,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268564359] [2022-07-12 06:21:22,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268564359] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:21:22,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594086478] [2022-07-12 06:21:22,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:22,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:21:22,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:21:22,629 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) [2022-07-12 06:21:22,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 06:21:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:22,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-12 06:21:22,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:21:22,900 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 06:21:22,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 06:21:23,102 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-12 06:21:23,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594086478] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 06:21:23,103 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 06:21:23,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2022-07-12 06:21:23,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866892740] [2022-07-12 06:21:23,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 06:21:23,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-12 06:21:23,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:21:23,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-12 06:21:23,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-07-12 06:21:23,105 INFO L87 Difference]: Start difference. First operand 790 states and 979 transitions. Second operand has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 10 states have internal predecessors, (137), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 6 states have call successors, (19) [2022-07-12 06:21:24,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:21:24,414 INFO L93 Difference]: Finished difference Result 1832 states and 2348 transitions. [2022-07-12 06:21:24,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-07-12 06:21:24,414 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 10 states have internal predecessors, (137), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 6 states have call successors, (19) Word has length 111 [2022-07-12 06:21:24,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:21:24,421 INFO L225 Difference]: With dead ends: 1832 [2022-07-12 06:21:24,421 INFO L226 Difference]: Without dead ends: 1139 [2022-07-12 06:21:24,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 255 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 904 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=621, Invalid=2459, Unknown=0, NotChecked=0, Total=3080 [2022-07-12 06:21:24,425 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 590 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 1138 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 06:21:24,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 1138 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 06:21:24,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2022-07-12 06:21:24,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 887. [2022-07-12 06:21:24,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 659 states have (on average 1.1881638846737481) internal successors, (783), 710 states have internal predecessors, (783), 121 states have call successors, (121), 100 states have call predecessors, (121), 106 states have return successors, (154), 111 states have call predecessors, (154), 121 states have call successors, (154) [2022-07-12 06:21:24,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1058 transitions. [2022-07-12 06:21:24,494 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1058 transitions. Word has length 111 [2022-07-12 06:21:24,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:21:24,495 INFO L495 AbstractCegarLoop]: Abstraction has 887 states and 1058 transitions. [2022-07-12 06:21:24,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 10 states have internal predecessors, (137), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 6 states have call successors, (19) [2022-07-12 06:21:24,495 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1058 transitions. [2022-07-12 06:21:24,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-07-12 06:21:24,500 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:21:24,500 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2022-07-12 06:21:24,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 06:21:24,711 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 [2022-07-12 06:21:24,712 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:21:24,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:21:24,712 INFO L85 PathProgramCache]: Analyzing trace with hash 605285009, now seen corresponding path program 1 times [2022-07-12 06:21:24,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:21:24,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625772971] [2022-07-12 06:21:24,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:24,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:21:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:24,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:21:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:24,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 06:21:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:24,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:21:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:24,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 06:21:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:24,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 06:21:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:24,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:21:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:24,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:21:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:24,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 06:21:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:24,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:24,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 06:21:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:24,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:21:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:24,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:21:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:24,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 06:21:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:24,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 06:21:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:24,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:24,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 06:21:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:24,865 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-07-12 06:21:24,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:21:24,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625772971] [2022-07-12 06:21:24,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625772971] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 06:21:24,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 06:21:24,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 06:21:24,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32257941] [2022-07-12 06:21:24,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 06:21:24,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 06:21:24,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:21:24,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 06:21:24,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-12 06:21:24,868 INFO L87 Difference]: Start difference. First operand 887 states and 1058 transitions. Second operand has 10 states, 10 states have (on average 9.7) internal successors, (97), 7 states have internal predecessors, (97), 4 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-07-12 06:21:25,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:21:25,696 INFO L93 Difference]: Finished difference Result 2536 states and 3071 transitions. [2022-07-12 06:21:25,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-12 06:21:25,697 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 7 states have internal predecessors, (97), 4 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 191 [2022-07-12 06:21:25,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:21:25,704 INFO L225 Difference]: With dead ends: 2536 [2022-07-12 06:21:25,704 INFO L226 Difference]: Without dead ends: 1657 [2022-07-12 06:21:25,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=229, Invalid=893, Unknown=0, NotChecked=0, Total=1122 [2022-07-12 06:21:25,707 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 434 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 06:21:25,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 903 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 06:21:25,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2022-07-12 06:21:25,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1648. [2022-07-12 06:21:25,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1648 states, 1231 states have (on average 1.1551584077985377) internal successors, (1422), 1318 states have internal predecessors, (1422), 221 states have call successors, (221), 188 states have call predecessors, (221), 195 states have return successors, (277), 205 states have call predecessors, (277), 221 states have call successors, (277) [2022-07-12 06:21:25,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 1920 transitions. [2022-07-12 06:21:25,796 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 1920 transitions. Word has length 191 [2022-07-12 06:21:25,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:21:25,796 INFO L495 AbstractCegarLoop]: Abstraction has 1648 states and 1920 transitions. [2022-07-12 06:21:25,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 7 states have internal predecessors, (97), 4 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-07-12 06:21:25,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 1920 transitions. [2022-07-12 06:21:25,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-12 06:21:25,801 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:21:25,802 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2022-07-12 06:21:25,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 06:21:25,802 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:21:25,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:21:25,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1124053067, now seen corresponding path program 1 times [2022-07-12 06:21:25,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:21:25,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201492476] [2022-07-12 06:21:25,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:25,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:21:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:21:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 06:21:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:21:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 06:21:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 06:21:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:21:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:21:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 06:21:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 06:21:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 06:21:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:21:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:21:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 06:21:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 06:21:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 06:21:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:25,986 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 92 proven. 28 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-07-12 06:21:25,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:21:25,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201492476] [2022-07-12 06:21:25,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201492476] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:21:25,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982617063] [2022-07-12 06:21:25,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:25,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:21:25,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:21:25,988 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 06:21:26,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 06:21:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:26,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-12 06:21:26,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:21:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 147 proven. 4 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-07-12 06:21:26,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 06:21:26,745 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 81 proven. 39 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-07-12 06:21:26,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982617063] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 06:21:26,745 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 06:21:26,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 11] total 26 [2022-07-12 06:21:26,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425110725] [2022-07-12 06:21:26,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 06:21:26,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-07-12 06:21:26,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:21:26,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-07-12 06:21:26,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=525, Unknown=0, NotChecked=0, Total=650 [2022-07-12 06:21:26,748 INFO L87 Difference]: Start difference. First operand 1648 states and 1920 transitions. Second operand has 26 states, 26 states have (on average 8.538461538461538) internal successors, (222), 22 states have internal predecessors, (222), 10 states have call successors, (39), 9 states have call predecessors, (39), 9 states have return successors, (34), 9 states have call predecessors, (34), 10 states have call successors, (34) [2022-07-12 06:21:28,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:21:28,185 INFO L93 Difference]: Finished difference Result 3749 states and 4489 transitions. [2022-07-12 06:21:28,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-07-12 06:21:28,186 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 8.538461538461538) internal successors, (222), 22 states have internal predecessors, (222), 10 states have call successors, (39), 9 states have call predecessors, (39), 9 states have return successors, (34), 9 states have call predecessors, (34), 10 states have call successors, (34) Word has length 195 [2022-07-12 06:21:28,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:21:28,197 INFO L225 Difference]: With dead ends: 3749 [2022-07-12 06:21:28,197 INFO L226 Difference]: Without dead ends: 2109 [2022-07-12 06:21:28,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 424 SyntacticMatches, 4 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=553, Invalid=1997, Unknown=0, NotChecked=0, Total=2550 [2022-07-12 06:21:28,203 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 1013 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 2016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 06:21:28,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1019 Valid, 606 Invalid, 2016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 1542 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 06:21:28,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2109 states. [2022-07-12 06:21:28,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2109 to 1887. [2022-07-12 06:21:28,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1887 states, 1414 states have (on average 1.1386138613861385) internal successors, (1610), 1504 states have internal predecessors, (1610), 258 states have call successors, (258), 221 states have call predecessors, (258), 214 states have return successors, (310), 226 states have call predecessors, (310), 258 states have call successors, (310) [2022-07-12 06:21:28,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2178 transitions. [2022-07-12 06:21:28,330 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2178 transitions. Word has length 195 [2022-07-12 06:21:28,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:21:28,330 INFO L495 AbstractCegarLoop]: Abstraction has 1887 states and 2178 transitions. [2022-07-12 06:21:28,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.538461538461538) internal successors, (222), 22 states have internal predecessors, (222), 10 states have call successors, (39), 9 states have call predecessors, (39), 9 states have return successors, (34), 9 states have call predecessors, (34), 10 states have call successors, (34) [2022-07-12 06:21:28,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2178 transitions. [2022-07-12 06:21:28,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-07-12 06:21:28,335 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:21:28,336 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 06:21:28,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-12 06:21:28,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-12 06:21:28,551 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:21:28,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:21:28,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1780867375, now seen corresponding path program 1 times [2022-07-12 06:21:28,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:21:28,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853504712] [2022-07-12 06:21:28,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:28,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:21:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:21:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 06:21:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:21:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 06:21:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 06:21:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:21:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:21:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 06:21:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 06:21:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 06:21:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 06:21:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:21:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:21:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 06:21:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 06:21:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-12 06:21:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-12 06:21:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-12 06:21:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,743 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 98 proven. 51 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-12 06:21:28,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:21:28,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853504712] [2022-07-12 06:21:28,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853504712] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:21:28,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311189828] [2022-07-12 06:21:28,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:28,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:21:28,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:21:28,745 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 06:21:28,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 06:21:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:28,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-12 06:21:28,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:21:29,043 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 191 proven. 11 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-07-12 06:21:29,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 06:21:29,520 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 106 proven. 61 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-07-12 06:21:29,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311189828] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 06:21:29,521 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 06:21:29,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 22 [2022-07-12 06:21:29,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200763174] [2022-07-12 06:21:29,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 06:21:29,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-12 06:21:29,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:21:29,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-12 06:21:29,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2022-07-12 06:21:29,523 INFO L87 Difference]: Start difference. First operand 1887 states and 2178 transitions. Second operand has 22 states, 22 states have (on average 10.954545454545455) internal successors, (241), 15 states have internal predecessors, (241), 7 states have call successors, (47), 8 states have call predecessors, (47), 11 states have return successors, (40), 9 states have call predecessors, (40), 7 states have call successors, (40) [2022-07-12 06:21:31,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:21:31,186 INFO L93 Difference]: Finished difference Result 3744 states and 4346 transitions. [2022-07-12 06:21:31,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-07-12 06:21:31,186 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 10.954545454545455) internal successors, (241), 15 states have internal predecessors, (241), 7 states have call successors, (47), 8 states have call predecessors, (47), 11 states have return successors, (40), 9 states have call predecessors, (40), 7 states have call successors, (40) Word has length 211 [2022-07-12 06:21:31,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:21:31,197 INFO L225 Difference]: With dead ends: 3744 [2022-07-12 06:21:31,197 INFO L226 Difference]: Without dead ends: 2043 [2022-07-12 06:21:31,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 471 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 750 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=654, Invalid=2652, Unknown=0, NotChecked=0, Total=3306 [2022-07-12 06:21:31,203 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 720 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 1792 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 2144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 1792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 06:21:31,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 579 Invalid, 2144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 1792 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 06:21:31,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2022-07-12 06:21:31,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 1833. [2022-07-12 06:21:31,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1833 states, 1380 states have (on average 1.1340579710144927) internal successors, (1565), 1460 states have internal predecessors, (1565), 232 states have call successors, (232), 215 states have call predecessors, (232), 220 states have return successors, (280), 220 states have call predecessors, (280), 232 states have call successors, (280) [2022-07-12 06:21:31,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2077 transitions. [2022-07-12 06:21:31,333 INFO L78 Accepts]: Start accepts. Automaton has 1833 states and 2077 transitions. Word has length 211 [2022-07-12 06:21:31,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:21:31,334 INFO L495 AbstractCegarLoop]: Abstraction has 1833 states and 2077 transitions. [2022-07-12 06:21:31,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 10.954545454545455) internal successors, (241), 15 states have internal predecessors, (241), 7 states have call successors, (47), 8 states have call predecessors, (47), 11 states have return successors, (40), 9 states have call predecessors, (40), 7 states have call successors, (40) [2022-07-12 06:21:31,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2077 transitions. [2022-07-12 06:21:31,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-07-12 06:21:31,339 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:21:31,339 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 06:21:31,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-12 06:21:31,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:21:31,555 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:21:31,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:21:31,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1730288948, now seen corresponding path program 1 times [2022-07-12 06:21:31,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:21:31,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858105110] [2022-07-12 06:21:31,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:31,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:21:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:31,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:21:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:31,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 06:21:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:31,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:21:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:31,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 06:21:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:31,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:32,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 06:21:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:32,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:21:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:32,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:21:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:32,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 06:21:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:32,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:32,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 06:21:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:32,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 06:21:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:32,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 06:21:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:32,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:21:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:32,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:21:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:32,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 06:21:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:32,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 06:21:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:32,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-12 06:21:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:32,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 06:21:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:32,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:32,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-12 06:21:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:32,311 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 93 proven. 45 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-07-12 06:21:32,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:21:32,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858105110] [2022-07-12 06:21:32,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858105110] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:21:32,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650823841] [2022-07-12 06:21:32,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:32,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:21:32,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:21:32,315 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 06:21:32,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-12 06:21:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:32,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 18 conjunts are in the unsatisfiable core [2022-07-12 06:21:32,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:21:32,687 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 135 proven. 26 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-07-12 06:21:32,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 06:21:33,417 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 103 proven. 45 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-07-12 06:21:33,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650823841] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 06:21:33,417 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 06:21:33,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 13] total 23 [2022-07-12 06:21:33,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488470449] [2022-07-12 06:21:33,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 06:21:33,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-07-12 06:21:33,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:21:33,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-07-12 06:21:33,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2022-07-12 06:21:33,419 INFO L87 Difference]: Start difference. First operand 1833 states and 2077 transitions. Second operand has 23 states, 23 states have (on average 10.26086956521739) internal successors, (236), 19 states have internal predecessors, (236), 13 states have call successors, (47), 11 states have call predecessors, (47), 13 states have return successors, (41), 14 states have call predecessors, (41), 13 states have call successors, (41) [2022-07-12 06:21:35,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:21:35,595 INFO L93 Difference]: Finished difference Result 3556 states and 4099 transitions. [2022-07-12 06:21:35,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-07-12 06:21:35,596 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 10.26086956521739) internal successors, (236), 19 states have internal predecessors, (236), 13 states have call successors, (47), 11 states have call predecessors, (47), 13 states have return successors, (41), 14 states have call predecessors, (41), 13 states have call successors, (41) Word has length 212 [2022-07-12 06:21:35,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:21:35,607 INFO L225 Difference]: With dead ends: 3556 [2022-07-12 06:21:35,607 INFO L226 Difference]: Without dead ends: 2541 [2022-07-12 06:21:35,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 535 GetRequests, 474 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=897, Invalid=2763, Unknown=0, NotChecked=0, Total=3660 [2022-07-12 06:21:35,611 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 1039 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 1767 mSolverCounterSat, 544 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1046 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 2311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 544 IncrementalHoareTripleChecker+Valid, 1767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 06:21:35,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1046 Valid, 674 Invalid, 2311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [544 Valid, 1767 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 06:21:35,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2541 states. [2022-07-12 06:21:35,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2541 to 2255. [2022-07-12 06:21:35,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2255 states, 1696 states have (on average 1.1320754716981132) internal successors, (1920), 1791 states have internal predecessors, (1920), 289 states have call successors, (289), 267 states have call predecessors, (289), 269 states have return successors, (343), 271 states have call predecessors, (343), 289 states have call successors, (343) [2022-07-12 06:21:35,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 2552 transitions. [2022-07-12 06:21:35,728 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 2552 transitions. Word has length 212 [2022-07-12 06:21:35,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:21:35,728 INFO L495 AbstractCegarLoop]: Abstraction has 2255 states and 2552 transitions. [2022-07-12 06:21:35,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 10.26086956521739) internal successors, (236), 19 states have internal predecessors, (236), 13 states have call successors, (47), 11 states have call predecessors, (47), 13 states have return successors, (41), 14 states have call predecessors, (41), 13 states have call successors, (41) [2022-07-12 06:21:35,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 2552 transitions. [2022-07-12 06:21:35,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-07-12 06:21:35,736 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:21:35,737 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-07-12 06:21:35,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-12 06:21:35,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:21:35,983 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:21:35,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:21:35,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1988033271, now seen corresponding path program 1 times [2022-07-12 06:21:35,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:21:35,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490663458] [2022-07-12 06:21:35,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:35,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 06:21:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:21:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 06:21:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:21:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 06:21:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 06:21:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:21:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:21:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 06:21:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 06:21:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 06:21:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 06:21:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:21:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 06:21:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 06:21:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 06:21:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-12 06:21:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 06:21:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 06:21:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 06:21:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 06:21:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 06:21:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 06:21:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-12 06:21:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 129 proven. 71 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2022-07-12 06:21:36,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 06:21:36,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490663458] [2022-07-12 06:21:36,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490663458] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 06:21:36,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104892991] [2022-07-12 06:21:36,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:21:36,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 06:21:36,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:21:36,226 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 06:21:36,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-12 06:21:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 06:21:36,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 872 conjuncts, 30 conjunts are in the unsatisfiable core [2022-07-12 06:21:36,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 06:21:36,815 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 140 proven. 83 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-07-12 06:21:36,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 06:21:37,739 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 91 proven. 127 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2022-07-12 06:21:37,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104892991] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 06:21:37,740 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 06:21:37,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 16] total 29 [2022-07-12 06:21:37,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270403698] [2022-07-12 06:21:37,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 06:21:37,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-07-12 06:21:37,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 06:21:37,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-07-12 06:21:37,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=659, Unknown=0, NotChecked=0, Total=812 [2022-07-12 06:21:37,743 INFO L87 Difference]: Start difference. First operand 2255 states and 2552 transitions. Second operand has 29 states, 29 states have (on average 10.931034482758621) internal successors, (317), 25 states have internal predecessors, (317), 16 states have call successors, (53), 12 states have call predecessors, (53), 17 states have return successors, (55), 17 states have call predecessors, (55), 16 states have call successors, (55) [2022-07-12 06:21:41,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 06:21:41,723 INFO L93 Difference]: Finished difference Result 6994 states and 8499 transitions. [2022-07-12 06:21:41,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-07-12 06:21:41,724 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 10.931034482758621) internal successors, (317), 25 states have internal predecessors, (317), 16 states have call successors, (53), 12 states have call predecessors, (53), 17 states have return successors, (55), 17 states have call predecessors, (55), 16 states have call successors, (55) Word has length 250 [2022-07-12 06:21:41,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 06:21:41,727 INFO L225 Difference]: With dead ends: 6994 [2022-07-12 06:21:41,727 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 06:21:41,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 639 GetRequests, 564 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1322 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1208, Invalid=4048, Unknown=0, NotChecked=0, Total=5256 [2022-07-12 06:21:41,743 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 1677 mSDsluCounter, 1634 mSDsCounter, 0 mSdLazyCounter, 3955 mSolverCounterSat, 1123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 5078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1123 IncrementalHoareTripleChecker+Valid, 3955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-12 06:21:41,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 1944 Invalid, 5078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1123 Valid, 3955 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-12 06:21:41,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 06:21:41,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 06:21:41,744 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) [2022-07-12 06:21:41,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 06:21:41,745 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 250 [2022-07-12 06:21:41,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 06:21:41,745 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 06:21:41,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 10.931034482758621) internal successors, (317), 25 states have internal predecessors, (317), 16 states have call successors, (53), 12 states have call predecessors, (53), 17 states have return successors, (55), 17 states have call predecessors, (55), 16 states have call successors, (55) [2022-07-12 06:21:41,745 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 06:21:41,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 06:21:41,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 06:21:41,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-12 06:21:41,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-07-12 06:21:41,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 06:22:23,333 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 293 300) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 2)) (< ~waterLevel~0 2)))) [2022-07-12 06:22:23,333 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 293 300) no Hoare annotation was computed. [2022-07-12 06:22:23,333 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 293 300) no Hoare annotation was computed. [2022-07-12 06:22:23,334 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 200 206) no Hoare annotation was computed. [2022-07-12 06:22:23,334 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 200 206) the Hoare annotation is: true [2022-07-12 06:22:23,334 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 84 95) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse3 (not (<= ~waterLevel~0 2)))) (and (or (not (= |old(~methaneLevelCritical~0)| 0)) .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse4 .cse0 .cse1 .cse3) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse4 .cse1 .cse3 (not (= 0 ~systemActive~0))))) [2022-07-12 06:22:23,334 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 84 95) no Hoare annotation was computed. [2022-07-12 06:22:23,334 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2022-07-12 06:22:23,334 INFO L902 garLoopResultBuilder]: At program point L962-2(lines 962 976) the Hoare annotation is: true [2022-07-12 06:22:23,334 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 952 981) no Hoare annotation was computed. [2022-07-12 06:22:23,334 INFO L902 garLoopResultBuilder]: At program point L958(line 958) the Hoare annotation is: true [2022-07-12 06:22:23,334 INFO L899 garLoopResultBuilder]: For program point L958-1(line 958) no Hoare annotation was computed. [2022-07-12 06:22:23,334 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 952 981) the Hoare annotation is: true [2022-07-12 06:22:23,334 INFO L902 garLoopResultBuilder]: At program point L977(lines 952 981) the Hoare annotation is: true [2022-07-12 06:22:23,334 INFO L899 garLoopResultBuilder]: For program point L973(line 973) no Hoare annotation was computed. [2022-07-12 06:22:23,334 INFO L899 garLoopResultBuilder]: For program point L966(lines 966 970) no Hoare annotation was computed. [2022-07-12 06:22:23,334 INFO L902 garLoopResultBuilder]: At program point L966-1(lines 966 970) the Hoare annotation is: true [2022-07-12 06:22:23,334 INFO L899 garLoopResultBuilder]: For program point L963(line 963) no Hoare annotation was computed. [2022-07-12 06:22:23,334 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2022-07-12 06:22:23,335 INFO L895 garLoopResultBuilder]: At program point L64-2(lines 60 71) the Hoare annotation is: (let ((.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 (and (<= ~waterLevel~0 0) .cse4) .cse5 (= ~waterLevel~0 0) .cse6) (or .cse2 (and .cse7 .cse4 .cse8) .cse3 .cse5 (and .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse8) .cse6) (or .cse3 .cse5 (not (< 1 |old(~waterLevel~0)|)) (and .cse7 (= ~waterLevel~0 1) .cse8) .cse1) (or .cse0 .cse3 .cse1))) [2022-07-12 06:22:23,335 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 574) no Hoare annotation was computed. [2022-07-12 06:22:23,335 INFO L895 garLoopResultBuilder]: At program point L279(line 279) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (<= |old(~waterLevel~0)| 1)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse2 (not (= 0 ~systemActive~0))) (or .cse3 .cse4 .cse0 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 .cse2 .cse5) (or (not .cse5) .cse3 .cse4 .cse0))) [2022-07-12 06:22:23,335 INFO L895 garLoopResultBuilder]: At program point L279-1(lines 260 284) the Hoare annotation is: (let ((.cse15 (<= |old(~waterLevel~0)| 1)) (.cse20 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse21 (= ~waterLevel~0 0)) (.cse11 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse12 (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0)) (.cse13 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse22 (<= ~waterLevel~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (<= 1 ~switchedOnBeforeTS~0)) (.cse24 (= ~pumpRunning~0 0)) (.cse23 (= 1 ~systemActive~0)) (.cse10 (= ~waterLevel~0 1))) (let ((.cse5 (and .cse24 .cse23 .cse10)) (.cse8 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse17 (and .cse11 .cse24 .cse12 .cse13 .cse22 .cse3 .cse14)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse18 (and .cse11 .cse24 .cse12 .cse13 .cse23 .cse20 .cse14 .cse21)) (.cse19 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse16 (not .cse15)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and .cse24 .cse3)) (.cse2 (not .cse23))) (and (or .cse0 .cse1 .cse2 (and (<= 1 ~pumpRunning~0) .cse3) .cse4) (or .cse0 .cse4 (not (= 0 ~systemActive~0))) (or .cse5 .cse6 .cse2 .cse7 .cse8 .cse4) (or .cse5 (and .cse9 .cse10) .cse2 .cse7 .cse8 .cse4) (or .cse2 .cse7 (and .cse11 .cse12 .cse13 .cse14) .cse4 .cse15) (or .cse16 .cse17 .cse6 .cse2 .cse7 .cse18 .cse19) (or (and .cse9 .cse11 .cse12 .cse13 .cse20 .cse14 .cse21) .cse16 .cse17 .cse2 .cse7 (and .cse9 .cse11 .cse12 .cse13 .cse22 .cse3 .cse14) .cse18 .cse19) (or .cse16 .cse0 .cse1 .cse2)))) [2022-07-12 06:22:23,335 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 186) no Hoare annotation was computed. [2022-07-12 06:22:23,335 INFO L895 garLoopResultBuilder]: At program point L308(lines 301 311) the Hoare annotation is: (let ((.cse3 (<= |old(~waterLevel~0)| 1)) (.cse9 (= ~waterLevel~0 0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse6 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7)) (or .cse8 .cse2 (not (= 0 ~systemActive~0))) (or (and .cse4 .cse5 .cse6 .cse7 .cse9) (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse10) (or (not .cse3) (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse9) .cse0 .cse1 (and .cse4 .cse5 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7) .cse10) (or .cse8 .cse0 .cse2) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse2))) [2022-07-12 06:22:23,335 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2022-07-12 06:22:23,335 INFO L899 garLoopResultBuilder]: For program point L180-2(lines 176 198) no Hoare annotation was computed. [2022-07-12 06:22:23,335 INFO L895 garLoopResultBuilder]: At program point L552(lines 545 554) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (<= |old(~waterLevel~0)| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse7)) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7 (<= 1 ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 .cse3 (not (= 0 ~systemActive~0))) (or .cse4 .cse2 .cse5 .cse3 .cse6) (or (not .cse6) .cse0 .cse1 .cse2) (or .cse4 .cse2 .cse5 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-12 06:22:23,335 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 173 199) no Hoare annotation was computed. [2022-07-12 06:22:23,336 INFO L895 garLoopResultBuilder]: At program point L565(line 565) the Hoare annotation is: (let ((.cse23 (<= ~waterLevel~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse18 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse2 (= ~pumpRunning~0 0)) (.cse19 (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0)) (.cse3 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse20 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse14 (= 1 ~systemActive~0)) (.cse24 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse21 (<= 1 ~switchedOnBeforeTS~0)) (.cse25 (= ~waterLevel~0 0)) (.cse5 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| ~waterLevel~0)) (.cse22 (<= |old(~waterLevel~0)| 1))) (let ((.cse9 (= ~methaneLevelCritical~0 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse16 (not (< 1 |old(~waterLevel~0)|))) (.cse15 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not .cse22)) (.cse8 (and .cse18 .cse2 .cse19 .cse3 .cse20 .cse14 .cse24 .cse21 .cse25 .cse5)) (.cse10 (not .cse14)) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse17 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (and .cse18 .cse2 .cse19 .cse3 .cse20 .cse23 .cse4 .cse21 .cse5)) (.cse13 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6) (or .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (or (and .cse2 .cse14 .cse15) .cse9 .cse10 .cse11 .cse16 .cse1) (or .cse0 .cse16 .cse1 .cse6) (or .cse10 .cse11 .cse16 (and .cse17 .cse18 .cse19 .cse3 .cse20 .cse15 .cse21 .cse5) .cse1 (and .cse18 .cse2 .cse19 .cse3 .cse20 .cse14 .cse15 .cse21 .cse5)) (or .cse0 .cse10 (and .cse2 .cse3 .cse4 .cse22 .cse5) .cse1) (or .cse7 .cse8 (and .cse17 .cse18 .cse19 .cse3 .cse20 .cse23 .cse4 .cse21 .cse5) .cse10 .cse11 (and .cse17 .cse18 .cse19 .cse3 .cse20 .cse24 .cse21 .cse25 .cse5) .cse12 .cse13)))) [2022-07-12 06:22:23,336 INFO L899 garLoopResultBuilder]: For program point L565-1(line 565) no Hoare annotation was computed. [2022-07-12 06:22:23,336 INFO L895 garLoopResultBuilder]: At program point L532(lines 527 534) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse2 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 .cse2 (<= |old(~waterLevel~0)| 1)) (or .cse3 .cse0 .cse2))) [2022-07-12 06:22:23,336 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 276) no Hoare annotation was computed. [2022-07-12 06:22:23,336 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 281) no Hoare annotation was computed. [2022-07-12 06:22:23,336 INFO L895 garLoopResultBuilder]: At program point L550(line 550) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (and (= ~pumpRunning~0 0) .cse6 .cse7)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 (and .cse5 .cse6 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) (and .cse5 .cse6 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse3) (or .cse0 .cse1 .cse3 (not (= 0 ~systemActive~0)))))) [2022-07-12 06:22:23,336 INFO L899 garLoopResultBuilder]: For program point L550-1(line 550) no Hoare annotation was computed. [2022-07-12 06:22:23,336 INFO L895 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: (let ((.cse19 (= ~waterLevel~0 1)) (.cse13 (<= ~waterLevel~0 0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse20 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0)) (.cse4 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse5 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse26 (= 1 ~systemActive~0)) (.cse6 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (= ~waterLevel~0 0))) (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (and .cse2 .cse20 .cse3 .cse4 .cse5 .cse26 .cse6 .cse7 .cse8)) (.cse12 (and .cse2 .cse20 .cse3 .cse4 .cse5 .cse13 .cse14 .cse7)) (.cse15 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse23 (= ~methaneLevelCritical~0 0)) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse16 (not (< 1 |old(~waterLevel~0)|))) (.cse17 (and .cse2 .cse20 .cse3 .cse4 .cse5 .cse26 .cse19 .cse7)) (.cse18 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not .cse26)) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse22 (not (= |old(~pumpRunning~0)| 0))) (.cse24 (and .cse20 .cse4 .cse14)) (.cse25 (not (= 0 ~systemActive~0)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 .cse10 .cse11 .cse12 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse13 .cse14 .cse7) .cse15) (or .cse9 .cse11 .cse16 .cse17 .cse18 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse19 .cse7)) (let ((.cse21 (= 2 |timeShift_getWaterLevel_#res#1|))) (or (and .cse20 .cse21 .cse14) .cse22 .cse9 .cse16 (and (<= 1 ~pumpRunning~0) .cse21 .cse14) .cse18)) (or .cse0 .cse23 .cse9 .cse10 .cse11 .cse12 .cse15) (or .cse23 .cse9 .cse11 .cse16 .cse17 .cse18) (or .cse0 .cse22 .cse9 .cse24) (or (and .cse20 (<= |timeShift_getWaterLevel_#res#1| 2) .cse14 (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse22 (not (= |old(~waterLevel~0)| 2)) .cse25) (or .cse0 .cse22 .cse24 .cse25)))) [2022-07-12 06:22:23,336 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 187 193) no Hoare annotation was computed. [2022-07-12 06:22:23,336 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 577) no Hoare annotation was computed. [2022-07-12 06:22:23,336 INFO L899 garLoopResultBuilder]: For program point L563(lines 563 580) no Hoare annotation was computed. [2022-07-12 06:22:23,337 INFO L895 garLoopResultBuilder]: At program point L274(line 274) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (<= |old(~waterLevel~0)| 1)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse3 (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0)) (.cse5 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= 1 ~systemActive~0))) (.cse10 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not .cse0) (and .cse1 .cse2 .cse3 .cse4 .cse5 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse6) .cse7 (and .cse1 .cse2 .cse3 .cse4 .cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse6 (= ~waterLevel~0 0)) .cse8 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse9 .cse10 (not (= 0 ~systemActive~0))) (or .cse4 .cse7 .cse8 .cse10 .cse0) (or .cse7 .cse8 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 .cse2 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) .cse10) (or .cse9 .cse7 .cse10))) [2022-07-12 06:22:23,337 INFO L895 garLoopResultBuilder]: At program point L563-1(lines 555 583) the Hoare annotation is: (let ((.cse27 (<= ~waterLevel~0 0)) (.cse26 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse19 (= ~pumpRunning~0 0)) (.cse10 (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0)) (.cse11 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse13 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse20 (= 1 ~systemActive~0)) (.cse28 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse15 (<= 1 ~switchedOnBeforeTS~0)) (.cse29 (= ~waterLevel~0 0)) (.cse16 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| ~waterLevel~0))) (let ((.cse14 (= ~waterLevel~0 1)) (.cse23 (= ~methaneLevelCritical~0 0)) (.cse17 (not (< 1 |old(~waterLevel~0)|))) (.cse22 (and .cse9 .cse19 .cse10 .cse11 .cse13 .cse20 .cse28 .cse15 .cse29 .cse16)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse24 (and .cse9 .cse19 .cse10 .cse11 .cse13 .cse27 .cse26 .cse15 .cse16)) (.cse25 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse21 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not .cse20)) (.cse12 (<= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1|)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (<= |timeShift_getWaterLevel_#res#1| 2)) (.cse2 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| 2)) (.cse3 (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1|)) (.cse4 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse18 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 2)) .cse5) (or .cse6 .cse7 (and .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) .cse17 .cse18 (and .cse9 .cse19 .cse10 .cse11 .cse13 .cse20 .cse14 .cse15 .cse16)) (or .cse21 .cse22 .cse23 .cse6 .cse7 .cse24 .cse25) (or (and .cse19 .cse20 .cse14) .cse23 .cse6 .cse7 .cse17 .cse18) (or .cse0 (and .cse8 .cse19 .cse26) .cse18 .cse5) (or .cse21 .cse22 (and .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse27 .cse26 .cse15 .cse16) .cse6 .cse7 .cse24 (and .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse28 .cse15 .cse29 .cse16) .cse25) (or .cse21 .cse0 (and .cse11 .cse12 .cse16) .cse5) (or .cse0 (and (<= 1 ~pumpRunning~0) .cse1 .cse2 .cse3 .cse26 .cse4 (not (<= ~waterLevel~0 1))) .cse6 (and .cse8 .cse19 .cse11 .cse12 .cse26 .cse16) (and .cse8 .cse19 .cse1 (= 2 ~waterLevel~0) .cse2 .cse3 .cse26 .cse4) .cse18)))) [2022-07-12 06:22:23,337 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 173 199) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (and (= ~pumpRunning~0 0) .cse6 .cse7)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 (and .cse5 .cse6 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) (and .cse5 .cse6 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse3) (or .cse0 .cse1 .cse3 (not (= 0 ~systemActive~0)))))) [2022-07-12 06:22:23,337 INFO L895 garLoopResultBuilder]: At program point L270(line 270) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse4 (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0)) (.cse5 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) .cse8 (<= |old(~waterLevel~0)| 1)) (or .cse9 .cse8 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7) (not (<= |old(~waterLevel~0)| 0)) .cse10) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse7 (= ~waterLevel~0 0)) .cse10) (or .cse9 .cse0 .cse8) (or .cse0 .cse1 .cse6 .cse8 .cse10) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse8))) [2022-07-12 06:22:23,337 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 173 199) no Hoare annotation was computed. [2022-07-12 06:22:23,337 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 531) no Hoare annotation was computed. [2022-07-12 06:22:23,337 INFO L895 garLoopResultBuilder]: At program point L101(lines 96 104) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse2 .cse3 (= ~waterLevel~0 1) .cse4) .cse5) (or .cse6 .cse5 (not (= 0 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse2 .cse3 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse4) (and .cse2 .cse3 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse4 (= ~waterLevel~0 0)) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse6 .cse0 .cse5))) [2022-07-12 06:22:23,338 INFO L895 garLoopResultBuilder]: At program point L415(lines 410 417) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 2)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) .cse3) (and .cse0 (< 1 ~waterLevel~0) .cse1 .cse2 .cse4) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse4) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 0) .cse3))) [2022-07-12 06:22:23,338 INFO L895 garLoopResultBuilder]: At program point L477(lines 430 479) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 2) (= 0 ~systemActive~0)) (and .cse0 .cse2 .cse3 .cse1) (and .cse4 .cse2 .cse3 .cse1) (and .cse0 (<= ~waterLevel~0 1) .cse3 .cse1) (and .cse4 .cse5 .cse3 .cse1 (<= ~waterLevel~0 0) .cse6) (and .cse4 .cse5 .cse3 .cse1 (= ~waterLevel~0 1) .cse6))) [2022-07-12 06:22:23,338 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 446) no Hoare annotation was computed. [2022-07-12 06:22:23,338 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2022-07-12 06:22:23,338 INFO L895 garLoopResultBuilder]: At program point L407(lines 395 409) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 0 ~systemActive~0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2))) [2022-07-12 06:22:23,338 INFO L902 garLoopResultBuilder]: At program point L1043(lines 1024 1046) the Hoare annotation is: true [2022-07-12 06:22:23,338 INFO L895 garLoopResultBuilder]: At program point L1010(lines 1006 1012) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:22:23,338 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2022-07-12 06:22:23,338 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2022-07-12 06:22:23,338 INFO L899 garLoopResultBuilder]: For program point L399-1(lines 399 405) no Hoare annotation was computed. [2022-07-12 06:22:23,338 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 06:22:23,338 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 06:22:23,338 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 06:22:23,338 INFO L895 garLoopResultBuilder]: At program point L507(lines 503 509) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:22:23,338 INFO L902 garLoopResultBuilder]: At program point L483(lines 420 487) the Hoare annotation is: true [2022-07-12 06:22:23,338 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 456) no Hoare annotation was computed. [2022-07-12 06:22:23,338 INFO L899 garLoopResultBuilder]: For program point L450-1(lines 450 456) no Hoare annotation was computed. [2022-07-12 06:22:23,338 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 06:22:23,339 INFO L895 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 2) (= 0 ~systemActive~0)) (and .cse0 .cse2 .cse3 .cse1) (and .cse4 .cse2 .cse3 .cse1) (and .cse0 (<= ~waterLevel~0 1) .cse3 .cse1) (and .cse4 .cse5 .cse3 .cse1 (<= ~waterLevel~0 0) .cse6) (and .cse4 .cse5 .cse3 .cse1 (= ~waterLevel~0 1) .cse6))) [2022-07-12 06:22:23,339 INFO L895 garLoopResultBuilder]: At program point L401(line 401) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 (< 1 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2022-07-12 06:22:23,339 INFO L895 garLoopResultBuilder]: At program point L480(lines 429 481) the Hoare annotation is: false [2022-07-12 06:22:23,339 INFO L895 garLoopResultBuilder]: At program point L542(lines 537 544) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:22:23,348 INFO L902 garLoopResultBuilder]: At program point L1021(lines 1013 1023) the Hoare annotation is: true [2022-07-12 06:22:23,348 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 474) no Hoare annotation was computed. [2022-07-12 06:22:23,348 INFO L895 garLoopResultBuilder]: At program point L468-2(lines 460 475) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (<= ~waterLevel~0 2)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (and .cse3 .cse4 .cse1 (= ~waterLevel~0 1) .cse5) (and .cse3 (< 1 ~waterLevel~0) .cse4 .cse1 .cse6) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and .cse0 .cse4 .cse1 .cse6) (and .cse3 .cse4 .cse1 (<= ~waterLevel~0 0) .cse5))) [2022-07-12 06:22:23,348 INFO L899 garLoopResultBuilder]: For program point L431(lines 430 479) no Hoare annotation was computed. [2022-07-12 06:22:23,349 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 475) no Hoare annotation was computed. [2022-07-12 06:22:23,349 INFO L895 garLoopResultBuilder]: At program point L522(lines 517 525) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:22:23,349 INFO L899 garLoopResultBuilder]: For program point L1034(lines 1034 1041) no Hoare annotation was computed. [2022-07-12 06:22:23,350 INFO L899 garLoopResultBuilder]: For program point L1034-2(lines 1034 1041) no Hoare annotation was computed. [2022-07-12 06:22:23,350 INFO L895 garLoopResultBuilder]: At program point L452(line 452) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 (< 1 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse2 (<= ~waterLevel~0 0) .cse6) (and .cse0 .cse5 .cse1 .cse2 (= ~waterLevel~0 1) .cse6))) [2022-07-12 06:22:23,350 INFO L895 garLoopResultBuilder]: At program point L514(lines 510 516) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-12 06:22:23,350 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 208 232) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-12 06:22:23,350 INFO L895 garLoopResultBuilder]: At program point L372(lines 357 375) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| 0))) .cse2) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (<= ~waterLevel~0 2))))) [2022-07-12 06:22:23,351 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 370) no Hoare annotation was computed. [2022-07-12 06:22:23,351 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2022-07-12 06:22:23,351 INFO L899 garLoopResultBuilder]: For program point L366-2(lines 366 370) no Hoare annotation was computed. [2022-07-12 06:22:23,351 INFO L895 garLoopResultBuilder]: At program point L290(lines 285 292) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2))))) [2022-07-12 06:22:23,351 INFO L895 garLoopResultBuilder]: At program point L222(line 222) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) (not (<= ~waterLevel~0 2))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| 0)))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-12 06:22:23,351 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 208 232) no Hoare annotation was computed. [2022-07-12 06:22:23,351 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 224) no Hoare annotation was computed. [2022-07-12 06:22:23,352 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 229) no Hoare annotation was computed. [2022-07-12 06:22:23,353 INFO L895 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (and (or .cse0 .cse1 (and .cse2 (not .cse3)) .cse4) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (< 1 ~waterLevel~0)) .cse0 .cse1 (and .cse2 .cse3) (not (<= ~waterLevel~0 2))))) [2022-07-12 06:22:23,353 INFO L895 garLoopResultBuilder]: At program point L227(line 227) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-12 06:22:23,353 INFO L899 garLoopResultBuilder]: For program point L227-1(lines 208 232) no Hoare annotation was computed. [2022-07-12 06:22:23,354 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2022-07-12 06:22:23,354 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2022-07-12 06:22:23,354 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 72 83) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse3 .cse2 .cse4 (not (= 0 ~systemActive~0))) (or .cse3 .cse0 .cse2 .cse4))) [2022-07-12 06:22:23,354 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 234 258) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-12 06:22:23,354 INFO L895 garLoopResultBuilder]: At program point L248(line 248) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0)))) (and (or (let ((.cse0 (= ~waterLevel~0 0))) (and (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp~4#1| 0) .cse0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0) .cse0))) .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse1 (not (<= ~waterLevel~0 2))))) [2022-07-12 06:22:23,355 INFO L895 garLoopResultBuilder]: At program point L244(line 244) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0)))) (and (or (let ((.cse0 (= ~waterLevel~0 0))) (and (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp~4#1| 0) .cse0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0) .cse0))) .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse1 (not (<= ~waterLevel~0 2))))) [2022-07-12 06:22:23,355 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 250) no Hoare annotation was computed. [2022-07-12 06:22:23,355 INFO L899 garLoopResultBuilder]: For program point L238(lines 238 255) no Hoare annotation was computed. [2022-07-12 06:22:23,355 INFO L895 garLoopResultBuilder]: At program point L391(lines 376 394) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0)))) (and (or (let ((.cse0 (= ~waterLevel~0 0))) (and (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp~4#1| 0) .cse0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0) .cse0))) .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse1 (not (<= ~waterLevel~0 2))))) [2022-07-12 06:22:23,355 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 389) no Hoare annotation was computed. [2022-07-12 06:22:23,355 INFO L899 garLoopResultBuilder]: For program point L385-2(lines 385 389) no Hoare annotation was computed. [2022-07-12 06:22:23,355 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 234 258) no Hoare annotation was computed. [2022-07-12 06:22:23,365 INFO L895 garLoopResultBuilder]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-12 06:22:23,366 INFO L895 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0) (= ~waterLevel~0 0))) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-12 06:22:23,366 INFO L899 garLoopResultBuilder]: For program point L253-1(lines 234 258) no Hoare annotation was computed. [2022-07-12 06:22:23,366 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 312 320) no Hoare annotation was computed. [2022-07-12 06:22:23,379 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 312 320) the Hoare annotation is: true [2022-07-12 06:22:23,379 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 312 320) no Hoare annotation was computed. [2022-07-12 06:22:23,382 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 06:22:23,384 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 06:22:23,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 06:22:23 BoogieIcfgContainer [2022-07-12 06:22:23,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 06:22:23,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 06:22:23,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 06:22:23,487 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 06:22:23,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:21:15" (3/4) ... [2022-07-12 06:22:23,490 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 06:22:23,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-12 06:22:23,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-12 06:22:23,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-12 06:22:23,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-12 06:22:23,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-12 06:22:23,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-12 06:22:23,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-12 06:22:23,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-07-12 06:22:23,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-12 06:22:23,509 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2022-07-12 06:22:23,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-12 06:22:23,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-12 06:22:23,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 06:22:23,511 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 06:22:23,511 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:22:23,512 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 06:22:23,536 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || \old(waterLevel) <= 1)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-12 06:22:23,536 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || (waterLevel <= 0 && \old(waterLevel) == waterLevel)) || !(1 <= \old(pumpRunning))) || waterLevel == 0) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-12 06:22:23,537 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || (((\result <= 2 && tmp <= 2) && 2 <= tmp) && 2 <= \result)) || !(\old(waterLevel) == 2)) || !(0 == systemActive)) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && waterLevel == \result) && pumpRunning <= tmp___0) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == waterLevel)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == waterLevel))) && ((((((!(\old(waterLevel) <= 1) || (((((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0) && tmp == waterLevel)) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((((!(\old(waterLevel) <= 1) || (((((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0) && tmp == waterLevel)) || (((((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && waterLevel == \result) && pumpRunning <= tmp___0) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == waterLevel)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == waterLevel)) || (((((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && waterLevel == \result) && pumpRunning <= tmp___0) && \result == methaneLevelCritical) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0) && tmp == waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((waterLevel == \result && pumpRunning <= tmp___0) && tmp == waterLevel)) || !(0 == systemActive))) && (((((!(\old(pumpRunning) == 0) || ((((((1 <= pumpRunning && \result <= 2) && tmp <= 2) && 2 <= tmp) && \old(waterLevel) == waterLevel) && 2 <= \result) && !(waterLevel <= 1))) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel == \result) && pumpRunning <= tmp___0) && \old(waterLevel) == waterLevel) && tmp == waterLevel)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result <= 2) && 2 == waterLevel) && tmp <= 2) && 2 <= tmp) && \old(waterLevel) == waterLevel) && 2 <= \result)) || !(\old(waterLevel) <= 2)) [2022-07-12 06:22:23,538 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((((((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1) || (pumpRunning == \old(pumpRunning) && waterLevel == 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((methaneLevelCritical == \result && tmp == methaneLevelCritical) && \result == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || \old(waterLevel) <= 1)) && ((((((!(\old(waterLevel) <= 1) || ((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && \result == methaneLevelCritical) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0) || !(\old(waterLevel) <= 1)) || ((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && \result == methaneLevelCritical) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) [2022-07-12 06:22:23,539 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || \old(waterLevel) <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-12 06:22:23,540 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(\old(waterLevel) <= 1) || (((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || !(1 == systemActive)) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || !(1 <= \old(pumpRunning))) || (((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && ((((((!(\old(waterLevel) <= 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || !(1 <= \old(pumpRunning))) || (((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel))) && ((((((pumpRunning == 0 && \result <= 2) && \old(waterLevel) == waterLevel) && 2 <= \result) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2)) || !(0 == systemActive))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) [2022-07-12 06:22:23,540 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-12 06:22:23,540 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || \old(waterLevel) <= 1) || (((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && waterLevel == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) <= 1) || (waterLevel + 1 <= \old(waterLevel) && waterLevel == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2022-07-12 06:22:23,540 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == \old(pumpRunning) && (\result == 0 || waterLevel == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-07-12 06:22:23,541 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(waterLevel <= 1)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && ((((!(1 < waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) [2022-07-12 06:22:23,543 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 || waterLevel == 0) && pumpRunning == \old(pumpRunning)) && (\result == 0 || waterLevel == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-07-12 06:22:23,543 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((!(\result == 0) && \result == 0) && tmp___0 == 0) && !(tmp == 0))) || !(waterLevel <= 1)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-07-12 06:22:23,544 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) [2022-07-12 06:22:23,579 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 06:22:23,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 06:22:23,580 INFO L158 Benchmark]: Toolchain (without parser) took 69008.09ms. Allocated memory was 138.4MB in the beginning and 719.3MB in the end (delta: 580.9MB). Free memory was 112.4MB in the beginning and 474.6MB in the end (delta: -362.1MB). Peak memory consumption was 217.0MB. Max. memory is 16.1GB. [2022-07-12 06:22:23,580 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 06:22:23,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 731.84ms. Allocated memory is still 138.4MB. Free memory was 112.1MB in the beginning and 104.8MB in the end (delta: 7.4MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2022-07-12 06:22:23,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.50ms. Allocated memory is still 138.4MB. Free memory was 104.8MB in the beginning and 102.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:22:23,581 INFO L158 Benchmark]: Boogie Preprocessor took 46.12ms. Allocated memory is still 138.4MB. Free memory was 102.3MB in the beginning and 100.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 06:22:23,582 INFO L158 Benchmark]: RCFGBuilder took 552.95ms. Allocated memory is still 138.4MB. Free memory was 100.6MB in the beginning and 82.9MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-12 06:22:23,582 INFO L158 Benchmark]: TraceAbstraction took 67521.30ms. Allocated memory was 138.4MB in the beginning and 719.3MB in the end (delta: 580.9MB). Free memory was 82.3MB in the beginning and 480.8MB in the end (delta: -398.5MB). Peak memory consumption was 421.8MB. Max. memory is 16.1GB. [2022-07-12 06:22:23,583 INFO L158 Benchmark]: Witness Printer took 92.68ms. Allocated memory is still 719.3MB. Free memory was 480.8MB in the beginning and 474.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-12 06:22:23,585 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 731.84ms. Allocated memory is still 138.4MB. Free memory was 112.1MB in the beginning and 104.8MB in the end (delta: 7.4MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.50ms. Allocated memory is still 138.4MB. Free memory was 104.8MB in the beginning and 102.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.12ms. Allocated memory is still 138.4MB. Free memory was 102.3MB in the beginning and 100.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 552.95ms. Allocated memory is still 138.4MB. Free memory was 100.6MB in the beginning and 82.9MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 67521.30ms. Allocated memory was 138.4MB in the beginning and 719.3MB in the end (delta: 580.9MB). Free memory was 82.3MB in the beginning and 480.8MB in the end (delta: -398.5MB). Peak memory consumption was 421.8MB. Max. memory is 16.1GB. * Witness Printer took 92.68ms. Allocated memory is still 719.3MB. Free memory was 480.8MB in the beginning and 474.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 531]: 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 10 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 67.4s, OverallIterations: 15, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 15.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 41.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7227 SdHoareTripleChecker+Valid, 9.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7140 mSDsluCounter, 9744 SdHoareTripleChecker+Invalid, 7.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7119 mSDsCounter, 3487 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12730 IncrementalHoareTripleChecker+Invalid, 16217 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3487 mSolverCounterUnsat, 2625 mSDtfsCounter, 12730 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2744 GetRequests, 2325 SyntacticMatches, 16 SemanticMatches, 403 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4896 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2255occurred in iteration=14, InterpolantAutomatonStates: 332, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 1278 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 9217 PreInvPairs, 11437 NumberOfFragments, 4134 HoareAnnotationTreeSize, 9217 FomulaSimplifications, 96904 FormulaSimplificationTreeSizeReduction, 9.3s HoareSimplificationTime, 52 FomulaSimplificationsInter, 275957 FormulaSimplificationTreeSizeReductionInter, 31.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 2616 NumberOfCodeBlocks, 2616 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 3570 ConstructedInterpolants, 0 QuantifiedInterpolants, 8463 SizeOfPredicates, 14 NumberOfNonLiveVariables, 3661 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 25 InterpolantComputations, 10 PerfectInterpolantSequences, 3029/3654 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: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((((((((((!(\old(waterLevel) <= 1) || (((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || !(1 == systemActive)) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || !(1 <= \old(pumpRunning))) || (((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && ((((((!(\old(waterLevel) <= 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || !(1 <= \old(pumpRunning))) || (((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel))) && ((((((pumpRunning == 0 && \result <= 2) && \old(waterLevel) == waterLevel) && 2 <= \result) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2)) || !(0 == systemActive))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || (((\result <= 2 && tmp <= 2) && 2 <= tmp) && 2 <= \result)) || !(\old(waterLevel) == 2)) || !(0 == systemActive)) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && waterLevel == \result) && pumpRunning <= tmp___0) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == waterLevel)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && 1 == systemActive) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == waterLevel))) && ((((((!(\old(waterLevel) <= 1) || (((((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0) && tmp == waterLevel)) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((((!(\old(waterLevel) <= 1) || (((((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0) && tmp == waterLevel)) || (((((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && waterLevel == \result) && pumpRunning <= tmp___0) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == waterLevel)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == \result) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == waterLevel)) || (((((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && waterLevel == \result) && pumpRunning <= tmp___0) && \result == methaneLevelCritical) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0) && tmp == waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((waterLevel == \result && pumpRunning <= tmp___0) && tmp == waterLevel)) || !(0 == systemActive))) && (((((!(\old(pumpRunning) == 0) || ((((((1 <= pumpRunning && \result <= 2) && tmp <= 2) && 2 <= tmp) && \old(waterLevel) == waterLevel) && 2 <= \result) && !(waterLevel <= 1))) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel == \result) && pumpRunning <= tmp___0) && \old(waterLevel) == waterLevel) && tmp == waterLevel)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result <= 2) && 2 == waterLevel) && tmp <= 2) && 2 <= tmp) && \old(waterLevel) == waterLevel) && 2 <= \result)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 || waterLevel == 0) && pumpRunning == \old(pumpRunning)) && (\result == 0 || waterLevel == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || \old(waterLevel) <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || ((((1 <= pumpRunning && 1 < waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 0) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: ((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || \old(waterLevel) <= 1) || (((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && waterLevel == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) <= 1) || (waterLevel + 1 <= \old(waterLevel) && waterLevel == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && splverifierCounter == 0) && 0 == systemActive) - InvariantResult [Line: 1024]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1006]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 1013]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || \old(waterLevel) <= 1)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((((((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1) || (pumpRunning == \old(pumpRunning) && waterLevel == 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((methaneLevelCritical == \result && tmp == methaneLevelCritical) && \result == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || \old(waterLevel) <= 1)) && ((((((!(\old(waterLevel) <= 1) || ((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && \result == methaneLevelCritical) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0) || !(\old(waterLevel) <= 1)) || ((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && tmp == methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((methaneLevelCritical == \result && pumpRunning == 0) && tmp == methaneLevelCritical) && \result == methaneLevelCritical) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && waterLevel == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || (waterLevel <= 0 && \old(waterLevel) == waterLevel)) || !(1 <= \old(pumpRunning))) || waterLevel == 0) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((((((pumpRunning == \old(pumpRunning) && (\result == 0 || waterLevel == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive) || (((pumpRunning == 0 && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 0) && 1 <= switchedOnBeforeTS)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(waterLevel <= 1)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && ((((!(1 < waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((!(\result == 0) && \result == 0) && tmp___0 == 0) && !(tmp == 0))) || !(waterLevel <= 1)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) RESULT: Ultimate proved your program to be correct! [2022-07-12 06:22:23,651 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