./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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_spec2_product53.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 1f55fffdfb523946c08e4798dfd7a981dcf70594f408e958cce4b1b6e97bd924 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:37:52,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:37:52,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:37:52,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:37:52,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:37:52,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:37:52,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:37:52,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:37:52,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:37:52,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:37:52,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:37:52,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:37:52,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:37:52,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:37:52,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:37:52,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:37:52,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:37:52,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:37:52,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:37:52,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:37:52,457 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:37:52,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:37:52,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:37:52,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:37:52,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:37:52,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:37:52,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:37:52,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:37:52,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:37:52,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:37:52,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:37:52,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:37:52,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:37:52,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:37:52,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:37:52,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:37:52,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:37:52,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:37:52,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:37:52,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:37:52,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:37:52,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:37:52,478 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:37:52,511 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:37:52,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:37:52,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:37:52,512 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:37:52,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:37:52,513 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:37:52,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:37:52,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:37:52,514 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:37:52,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:37:52,516 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:37:52,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:37:52,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:37:52,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:37:52,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:37:52,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:37:52,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:37:52,517 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:37:52,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:37:52,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:37:52,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:37:52,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:37:52,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:37:52,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:37:52,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:37:52,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:37:52,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:37:52,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:37:52,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:37:52,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:37:52,520 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:37:52,520 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:37:52,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:37:52,520 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f55fffdfb523946c08e4798dfd7a981dcf70594f408e958cce4b1b6e97bd924 [2022-07-22 17:37:52,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:37:52,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:37:52,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:37:52,810 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:37:52,811 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:37:52,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2022-07-22 17:37:52,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0887c495e/72b27d239248472dab2e13a24b0d77e0/FLAGe2e4ea8a7 [2022-07-22 17:37:53,407 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:37:53,409 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2022-07-22 17:37:53,424 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0887c495e/72b27d239248472dab2e13a24b0d77e0/FLAGe2e4ea8a7 [2022-07-22 17:37:53,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0887c495e/72b27d239248472dab2e13a24b0d77e0 [2022-07-22 17:37:53,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:37:53,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:37:53,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:37:53,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:37:53,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:37:53,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:37:53" (1/1) ... [2022-07-22 17:37:53,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbd4006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:53, skipping insertion in model container [2022-07-22 17:37:53,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:37:53" (1/1) ... [2022-07-22 17:37:53,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:37:53,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:37:53,938 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_spec2_product53.cil.c[1605,1618] [2022-07-22 17:37:54,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:37:54,075 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:37:54,092 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_spec2_product53.cil.c[1605,1618] [2022-07-22 17:37:54,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:37:54,171 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:37:54,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:54 WrapperNode [2022-07-22 17:37:54,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:37:54,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:37:54,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:37:54,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:37:54,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:54" (1/1) ... [2022-07-22 17:37:54,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:54" (1/1) ... [2022-07-22 17:37:54,225 INFO L137 Inliner]: procedures = 57, calls = 159, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 277 [2022-07-22 17:37:54,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:37:54,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:37:54,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:37:54,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:37:54,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:54" (1/1) ... [2022-07-22 17:37:54,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:54" (1/1) ... [2022-07-22 17:37:54,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:54" (1/1) ... [2022-07-22 17:37:54,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:54" (1/1) ... [2022-07-22 17:37:54,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:54" (1/1) ... [2022-07-22 17:37:54,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:54" (1/1) ... [2022-07-22 17:37:54,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:54" (1/1) ... [2022-07-22 17:37:54,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:37:54,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:37:54,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:37:54,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:37:54,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:54" (1/1) ... [2022-07-22 17:37:54,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:37:54,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:37:54,300 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) [2022-07-22 17:37:54,302 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 [2022-07-22 17:37:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:37:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-22 17:37:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-22 17:37:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-22 17:37:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-22 17:37:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-22 17:37:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-22 17:37:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-22 17:37:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-22 17:37:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:37:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:37:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-22 17:37:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-22 17:37:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-22 17:37:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-22 17:37:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-22 17:37:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-22 17:37:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:37:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-22 17:37:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-22 17:37:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:37:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:37:54,425 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:37:54,427 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:37:54,743 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:37:54,753 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:37:54,756 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 17:37:54,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:54 BoogieIcfgContainer [2022-07-22 17:37:54,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:37:54,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:37:54,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:37:54,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:37:54,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:37:53" (1/3) ... [2022-07-22 17:37:54,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c4fb10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:37:54, skipping insertion in model container [2022-07-22 17:37:54,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:37:54" (2/3) ... [2022-07-22 17:37:54,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c4fb10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:37:54, skipping insertion in model container [2022-07-22 17:37:54,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:54" (3/3) ... [2022-07-22 17:37:54,765 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2022-07-22 17:37:54,778 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:37:54,778 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:37:54,825 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:37:54,830 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@24b6d9ad, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6e8fea47 [2022-07-22 17:37:54,830 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:37:54,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-07-22 17:37:54,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-22 17:37:54,844 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:54,845 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:54,846 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:54,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:54,851 INFO L85 PathProgramCache]: Analyzing trace with hash 270425168, now seen corresponding path program 1 times [2022-07-22 17:37:54,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:54,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955946090] [2022-07-22 17:37:54,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:54,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:55,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 17:37:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:55,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:55,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:55,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955946090] [2022-07-22 17:37:55,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955946090] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:55,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:55,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 17:37:55,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152642357] [2022-07-22 17:37:55,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:55,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:37:55,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:55,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:37:55,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:37:55,138 INFO L87 Difference]: Start difference. First operand has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:55,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:55,174 INFO L93 Difference]: Finished difference Result 195 states and 266 transitions. [2022-07-22 17:37:55,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:37:55,176 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-22 17:37:55,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:55,187 INFO L225 Difference]: With dead ends: 195 [2022-07-22 17:37:55,188 INFO L226 Difference]: Without dead ends: 93 [2022-07-22 17:37:55,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:37:55,195 INFO L413 NwaCegarLoop]: 130 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, 130 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 [2022-07-22 17:37:55,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:55,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-07-22 17:37:55,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-07-22 17:37:55,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 77 states have internal predecessors, (90), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-22 17:37:55,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 121 transitions. [2022-07-22 17:37:55,233 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 121 transitions. Word has length 25 [2022-07-22 17:37:55,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:55,234 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 121 transitions. [2022-07-22 17:37:55,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:55,234 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2022-07-22 17:37:55,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-22 17:37:55,237 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:55,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:55,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:37:55,237 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:55,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:55,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1281530714, now seen corresponding path program 1 times [2022-07-22 17:37:55,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:55,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053938208] [2022-07-22 17:37:55,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:55,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:55,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 17:37:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:55,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:55,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:55,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053938208] [2022-07-22 17:37:55,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053938208] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:55,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:55,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:37:55,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113879075] [2022-07-22 17:37:55,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:55,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:37:55,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:55,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:37:55,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:37:55,311 INFO L87 Difference]: Start difference. First operand 93 states and 121 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:55,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:55,348 INFO L93 Difference]: Finished difference Result 151 states and 197 transitions. [2022-07-22 17:37:55,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:37:55,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-22 17:37:55,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:55,351 INFO L225 Difference]: With dead ends: 151 [2022-07-22 17:37:55,351 INFO L226 Difference]: Without dead ends: 84 [2022-07-22 17:37:55,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:37:55,358 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 12 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 200 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 [2022-07-22 17:37:55,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 200 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:55,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-07-22 17:37:55,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-07-22 17:37:55,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 71 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-22 17:37:55,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2022-07-22 17:37:55,369 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 26 [2022-07-22 17:37:55,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:55,371 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2022-07-22 17:37:55,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:55,372 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2022-07-22 17:37:55,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-22 17:37:55,378 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:55,378 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:55,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:37:55,378 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:55,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:55,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1565936952, now seen corresponding path program 1 times [2022-07-22 17:37:55,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:55,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205886542] [2022-07-22 17:37:55,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:55,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:55,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:37:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:55,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:55,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:55,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205886542] [2022-07-22 17:37:55,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205886542] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:55,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:55,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:37:55,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683786816] [2022-07-22 17:37:55,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:55,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:37:55,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:55,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:37:55,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:37:55,535 INFO L87 Difference]: Start difference. First operand 84 states and 109 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:55,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:55,682 INFO L93 Difference]: Finished difference Result 160 states and 211 transitions. [2022-07-22 17:37:55,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:37:55,683 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-07-22 17:37:55,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:55,687 INFO L225 Difference]: With dead ends: 160 [2022-07-22 17:37:55,688 INFO L226 Difference]: Without dead ends: 84 [2022-07-22 17:37:55,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-22 17:37:55,695 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 204 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:55,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 226 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:37:55,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-07-22 17:37:55,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-07-22 17:37:55,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 71 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-22 17:37:55,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2022-07-22 17:37:55,725 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 30 [2022-07-22 17:37:55,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:55,725 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2022-07-22 17:37:55,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:37:55,726 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2022-07-22 17:37:55,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-07-22 17:37:55,727 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:55,727 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:55,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:37:55,727 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:55,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:55,728 INFO L85 PathProgramCache]: Analyzing trace with hash -2059110199, now seen corresponding path program 1 times [2022-07-22 17:37:55,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:55,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295442918] [2022-07-22 17:37:55,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:55,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:55,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:37:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:55,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 17:37:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:55,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 17:37:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:55,850 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:37:55,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:55,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295442918] [2022-07-22 17:37:55,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295442918] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:55,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:55,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 17:37:55,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325077832] [2022-07-22 17:37:55,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:55,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 17:37:55,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:55,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 17:37:55,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 17:37:55,855 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-22 17:37:55,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:55,989 INFO L93 Difference]: Finished difference Result 239 states and 313 transitions. [2022-07-22 17:37:55,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:37:55,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2022-07-22 17:37:55,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:55,992 INFO L225 Difference]: With dead ends: 239 [2022-07-22 17:37:55,992 INFO L226 Difference]: Without dead ends: 163 [2022-07-22 17:37:55,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:37:55,994 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 150 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:55,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 231 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:37:55,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-07-22 17:37:56,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 157. [2022-07-22 17:37:56,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 117 states have (on average 1.2991452991452992) internal successors, (152), 125 states have internal predecessors, (152), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2022-07-22 17:37:56,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 201 transitions. [2022-07-22 17:37:56,011 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 201 transitions. Word has length 43 [2022-07-22 17:37:56,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:56,011 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 201 transitions. [2022-07-22 17:37:56,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-22 17:37:56,012 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 201 transitions. [2022-07-22 17:37:56,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-22 17:37:56,013 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:56,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:56,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 17:37:56,013 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:56,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:56,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1486842068, now seen corresponding path program 1 times [2022-07-22 17:37:56,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:56,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949256712] [2022-07-22 17:37:56,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:56,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:37:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 17:37:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:56,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:56,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949256712] [2022-07-22 17:37:56,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949256712] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:56,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:56,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:37:56,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234105796] [2022-07-22 17:37:56,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:56,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:37:56,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:56,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:37:56,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:37:56,087 INFO L87 Difference]: Start difference. First operand 157 states and 201 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:37:56,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:56,226 INFO L93 Difference]: Finished difference Result 314 states and 410 transitions. [2022-07-22 17:37:56,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:37:56,226 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-07-22 17:37:56,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:56,228 INFO L225 Difference]: With dead ends: 314 [2022-07-22 17:37:56,228 INFO L226 Difference]: Without dead ends: 165 [2022-07-22 17:37:56,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:37:56,233 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 70 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:56,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 433 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:37:56,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-07-22 17:37:56,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 160. [2022-07-22 17:37:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 120 states have (on average 1.2916666666666667) internal successors, (155), 128 states have internal predecessors, (155), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2022-07-22 17:37:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 204 transitions. [2022-07-22 17:37:56,267 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 204 transitions. Word has length 49 [2022-07-22 17:37:56,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:56,268 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 204 transitions. [2022-07-22 17:37:56,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:37:56,269 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 204 transitions. [2022-07-22 17:37:56,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-22 17:37:56,273 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:56,273 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:56,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 17:37:56,273 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:56,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:56,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1909543894, now seen corresponding path program 1 times [2022-07-22 17:37:56,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:56,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597742543] [2022-07-22 17:37:56,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:56,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:37:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 17:37:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:56,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:56,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597742543] [2022-07-22 17:37:56,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597742543] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:56,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:56,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:37:56,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82194179] [2022-07-22 17:37:56,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:56,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:37:56,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:56,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:37:56,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:37:56,383 INFO L87 Difference]: Start difference. First operand 160 states and 204 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:37:56,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:56,497 INFO L93 Difference]: Finished difference Result 322 states and 424 transitions. [2022-07-22 17:37:56,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:37:56,498 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-07-22 17:37:56,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:56,502 INFO L225 Difference]: With dead ends: 322 [2022-07-22 17:37:56,502 INFO L226 Difference]: Without dead ends: 170 [2022-07-22 17:37:56,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:37:56,506 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 74 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:56,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 338 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:37:56,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-07-22 17:37:56,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 162. [2022-07-22 17:37:56,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 122 states have (on average 1.2868852459016393) internal successors, (157), 130 states have internal predecessors, (157), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2022-07-22 17:37:56,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 206 transitions. [2022-07-22 17:37:56,532 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 206 transitions. Word has length 49 [2022-07-22 17:37:56,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:56,533 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 206 transitions. [2022-07-22 17:37:56,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-22 17:37:56,533 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 206 transitions. [2022-07-22 17:37:56,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-22 17:37:56,534 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:56,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:56,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 17:37:56,535 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:56,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:56,536 INFO L85 PathProgramCache]: Analyzing trace with hash 104105560, now seen corresponding path program 1 times [2022-07-22 17:37:56,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:56,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546214354] [2022-07-22 17:37:56,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:56,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:37:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 17:37:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:56,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:56,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546214354] [2022-07-22 17:37:56,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546214354] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:56,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:56,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:37:56,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301771901] [2022-07-22 17:37:56,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:56,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:37:56,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:56,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:37:56,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:37:56,645 INFO L87 Difference]: Start difference. First operand 162 states and 206 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-22 17:37:56,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:56,881 INFO L93 Difference]: Finished difference Result 451 states and 595 transitions. [2022-07-22 17:37:56,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:37:56,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 49 [2022-07-22 17:37:56,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:56,885 INFO L225 Difference]: With dead ends: 451 [2022-07-22 17:37:56,886 INFO L226 Difference]: Without dead ends: 297 [2022-07-22 17:37:56,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:37:56,888 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 220 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:56,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 354 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 17:37:56,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2022-07-22 17:37:56,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 289. [2022-07-22 17:37:56,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 216 states have (on average 1.2638888888888888) internal successors, (273), 228 states have internal predecessors, (273), 36 states have call successors, (36), 33 states have call predecessors, (36), 36 states have return successors, (62), 37 states have call predecessors, (62), 36 states have call successors, (62) [2022-07-22 17:37:56,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 371 transitions. [2022-07-22 17:37:56,912 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 371 transitions. Word has length 49 [2022-07-22 17:37:56,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:56,912 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 371 transitions. [2022-07-22 17:37:56,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-22 17:37:56,912 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 371 transitions. [2022-07-22 17:37:56,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-22 17:37:56,913 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:56,913 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:56,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 17:37:56,913 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:56,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:56,914 INFO L85 PathProgramCache]: Analyzing trace with hash 528797415, now seen corresponding path program 1 times [2022-07-22 17:37:56,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:56,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238731619] [2022-07-22 17:37:56,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:56,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 17:37:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:37:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-22 17:37:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:56,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:56,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238731619] [2022-07-22 17:37:56,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238731619] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:56,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:56,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:37:56,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99641627] [2022-07-22 17:37:56,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:56,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:37:56,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:56,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:37:56,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:37:56,976 INFO L87 Difference]: Start difference. First operand 289 states and 371 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:37:57,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:57,270 INFO L93 Difference]: Finished difference Result 851 states and 1121 transitions. [2022-07-22 17:37:57,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-22 17:37:57,270 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-07-22 17:37:57,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:57,274 INFO L225 Difference]: With dead ends: 851 [2022-07-22 17:37:57,274 INFO L226 Difference]: Without dead ends: 570 [2022-07-22 17:37:57,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-07-22 17:37:57,276 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 179 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:57,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 419 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 17:37:57,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2022-07-22 17:37:57,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 550. [2022-07-22 17:37:57,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 405 states have (on average 1.2246913580246914) internal successors, (496), 428 states have internal predecessors, (496), 72 states have call successors, (72), 66 states have call predecessors, (72), 72 states have return successors, (129), 74 states have call predecessors, (129), 72 states have call successors, (129) [2022-07-22 17:37:57,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 697 transitions. [2022-07-22 17:37:57,309 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 697 transitions. Word has length 51 [2022-07-22 17:37:57,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:57,310 INFO L495 AbstractCegarLoop]: Abstraction has 550 states and 697 transitions. [2022-07-22 17:37:57,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:37:57,310 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 697 transitions. [2022-07-22 17:37:57,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-22 17:37:57,311 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:57,311 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:57,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 17:37:57,311 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:57,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:57,312 INFO L85 PathProgramCache]: Analyzing trace with hash 412611307, now seen corresponding path program 1 times [2022-07-22 17:37:57,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:57,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886984679] [2022-07-22 17:37:57,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:57,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 17:37:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:37:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:37:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-22 17:37:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:57,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:57,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886984679] [2022-07-22 17:37:57,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886984679] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:57,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:57,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 17:37:57,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475437064] [2022-07-22 17:37:57,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:57,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:37:57,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:57,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:37:57,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 17:37:57,393 INFO L87 Difference]: Start difference. First operand 550 states and 697 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-22 17:37:57,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:57,822 INFO L93 Difference]: Finished difference Result 1108 states and 1417 transitions. [2022-07-22 17:37:57,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 17:37:57,823 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2022-07-22 17:37:57,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:57,826 INFO L225 Difference]: With dead ends: 1108 [2022-07-22 17:37:57,826 INFO L226 Difference]: Without dead ends: 566 [2022-07-22 17:37:57,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2022-07-22 17:37:57,828 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 205 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:57,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 198 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 17:37:57,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2022-07-22 17:37:57,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 546. [2022-07-22 17:37:57,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 401 states have (on average 1.2069825436408979) internal successors, (484), 424 states have internal predecessors, (484), 72 states have call successors, (72), 66 states have call predecessors, (72), 72 states have return successors, (129), 74 states have call predecessors, (129), 72 states have call successors, (129) [2022-07-22 17:37:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 685 transitions. [2022-07-22 17:37:57,860 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 685 transitions. Word has length 55 [2022-07-22 17:37:57,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:57,860 INFO L495 AbstractCegarLoop]: Abstraction has 546 states and 685 transitions. [2022-07-22 17:37:57,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-22 17:37:57,860 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 685 transitions. [2022-07-22 17:37:57,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-22 17:37:57,861 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:57,861 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:57,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-22 17:37:57,862 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:57,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:57,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1762581378, now seen corresponding path program 1 times [2022-07-22 17:37:57,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:57,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479894913] [2022-07-22 17:37:57,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:57,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:37:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:37:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 17:37:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-22 17:37:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:57,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:57,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:57,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479894913] [2022-07-22 17:37:57,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479894913] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:57,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:37:57,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:37:57,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470209247] [2022-07-22 17:37:57,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:57,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:37:57,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:57,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:37:57,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:37:57,922 INFO L87 Difference]: Start difference. First operand 546 states and 685 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-22 17:37:58,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:58,457 INFO L93 Difference]: Finished difference Result 1070 states and 1414 transitions. [2022-07-22 17:37:58,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-22 17:37:58,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2022-07-22 17:37:58,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:58,464 INFO L225 Difference]: With dead ends: 1070 [2022-07-22 17:37:58,464 INFO L226 Difference]: Without dead ends: 1068 [2022-07-22 17:37:58,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-07-22 17:37:58,466 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 455 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:58,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 176 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 17:37:58,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2022-07-22 17:37:58,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 830. [2022-07-22 17:37:58,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 608 states have (on average 1.2105263157894737) internal successors, (736), 652 states have internal predecessors, (736), 114 states have call successors, (114), 84 states have call predecessors, (114), 107 states have return successors, (244), 116 states have call predecessors, (244), 114 states have call successors, (244) [2022-07-22 17:37:58,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1094 transitions. [2022-07-22 17:37:58,519 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1094 transitions. Word has length 57 [2022-07-22 17:37:58,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:58,519 INFO L495 AbstractCegarLoop]: Abstraction has 830 states and 1094 transitions. [2022-07-22 17:37:58,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-22 17:37:58,519 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1094 transitions. [2022-07-22 17:37:58,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-07-22 17:37:58,522 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:58,522 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2022-07-22 17:37:58,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-22 17:37:58,523 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:58,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:58,523 INFO L85 PathProgramCache]: Analyzing trace with hash -664407980, now seen corresponding path program 1 times [2022-07-22 17:37:58,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:58,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534109764] [2022-07-22 17:37:58,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:58,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:37:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:37:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:37:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:37:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-22 17:37:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-22 17:37:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-22 17:37:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,642 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-07-22 17:37:58,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:58,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534109764] [2022-07-22 17:37:58,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534109764] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:37:58,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093175742] [2022-07-22 17:37:58,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:58,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:37:58,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:37:58,644 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) [2022-07-22 17:37:58,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 17:37:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:58,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 17:37:58,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:37:58,834 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:37:58,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:37:58,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093175742] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:58,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:37:58,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2022-07-22 17:37:58,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653740370] [2022-07-22 17:37:58,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:58,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:37:58,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:58,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:37:58,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:37:58,836 INFO L87 Difference]: Start difference. First operand 830 states and 1094 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-22 17:37:58,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:58,882 INFO L93 Difference]: Finished difference Result 1436 states and 1934 transitions. [2022-07-22 17:37:58,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:37:58,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 100 [2022-07-22 17:37:58,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:58,885 INFO L225 Difference]: With dead ends: 1436 [2022-07-22 17:37:58,885 INFO L226 Difference]: Without dead ends: 718 [2022-07-22 17:37:58,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:37:58,888 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 51 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:58,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 219 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:58,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2022-07-22 17:37:58,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 718. [2022-07-22 17:37:58,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 525 states have (on average 1.1866666666666668) internal successors, (623), 564 states have internal predecessors, (623), 99 states have call successors, (99), 77 states have call predecessors, (99), 93 states have return successors, (155), 99 states have call predecessors, (155), 99 states have call successors, (155) [2022-07-22 17:37:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 877 transitions. [2022-07-22 17:37:58,927 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 877 transitions. Word has length 100 [2022-07-22 17:37:58,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:58,927 INFO L495 AbstractCegarLoop]: Abstraction has 718 states and 877 transitions. [2022-07-22 17:37:58,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-22 17:37:58,928 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 877 transitions. [2022-07-22 17:37:58,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-22 17:37:58,929 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:37:58,930 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:37:58,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 17:37:59,149 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,SelfDestructingSolverStorable10 [2022-07-22 17:37:59,150 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:37:59,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:37:59,150 INFO L85 PathProgramCache]: Analyzing trace with hash -2099189228, now seen corresponding path program 1 times [2022-07-22 17:37:59,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:37:59,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753899527] [2022-07-22 17:37:59,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:59,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:37:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 17:37:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 17:37:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 17:37:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:37:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-22 17:37:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-22 17:37:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-22 17:37:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 17:37:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:37:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-22 17:37:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,308 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-22 17:37:59,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:37:59,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753899527] [2022-07-22 17:37:59,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753899527] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:37:59,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241997874] [2022-07-22 17:37:59,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:37:59,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:37:59,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:37:59,310 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) [2022-07-22 17:37:59,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 17:37:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:37:59,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 17:37:59,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:37:59,575 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-22 17:37:59,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 17:37:59,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241997874] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:37:59,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 17:37:59,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 18 [2022-07-22 17:37:59,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131346969] [2022-07-22 17:37:59,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:37:59,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 17:37:59,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:37:59,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 17:37:59,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2022-07-22 17:37:59,578 INFO L87 Difference]: Start difference. First operand 718 states and 877 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-22 17:37:59,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:37:59,696 INFO L93 Difference]: Finished difference Result 1292 states and 1573 transitions. [2022-07-22 17:37:59,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:37:59,697 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 110 [2022-07-22 17:37:59,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:37:59,698 INFO L225 Difference]: With dead ends: 1292 [2022-07-22 17:37:59,698 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 17:37:59,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2022-07-22 17:37:59,701 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 46 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:37:59,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 862 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:37:59,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 17:37:59,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 17:37:59,702 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) [2022-07-22 17:37:59,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 17:37:59,703 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2022-07-22 17:37:59,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:37:59,703 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 17:37:59,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-22 17:37:59,704 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 17:37:59,704 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 17:37:59,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 17:37:59,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 17:37:59,927 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 [2022-07-22 17:37:59,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 17:38:04,244 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 624 631) 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 (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0))))) [2022-07-22 17:38:04,244 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 624 631) no Hoare annotation was computed. [2022-07-22 17:38:04,244 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 624 631) no Hoare annotation was computed. [2022-07-22 17:38:04,244 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 531 537) no Hoare annotation was computed. [2022-07-22 17:38:04,244 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 531 537) the Hoare annotation is: true [2022-07-22 17:38:04,244 INFO L899 garLoopResultBuilder]: For program point L897-1(lines 893 904) no Hoare annotation was computed. [2022-07-22 17:38:04,245 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 893 904) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3 .cse6))) [2022-07-22 17:38:04,245 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 893 904) no Hoare annotation was computed. [2022-07-22 17:38:04,245 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 905 913) the Hoare annotation is: true [2022-07-22 17:38:04,245 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 905 913) no Hoare annotation was computed. [2022-07-22 17:38:04,245 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 905 913) no Hoare annotation was computed. [2022-07-22 17:38:04,245 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 767 796) no Hoare annotation was computed. [2022-07-22 17:38:04,245 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 767 796) the Hoare annotation is: true [2022-07-22 17:38:04,245 INFO L902 garLoopResultBuilder]: At program point L792(lines 767 796) the Hoare annotation is: true [2022-07-22 17:38:04,245 INFO L899 garLoopResultBuilder]: For program point L788(line 788) no Hoare annotation was computed. [2022-07-22 17:38:04,245 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 785) no Hoare annotation was computed. [2022-07-22 17:38:04,245 INFO L902 garLoopResultBuilder]: At program point L781-1(lines 781 785) the Hoare annotation is: true [2022-07-22 17:38:04,245 INFO L899 garLoopResultBuilder]: For program point L778(line 778) no Hoare annotation was computed. [2022-07-22 17:38:04,245 INFO L902 garLoopResultBuilder]: At program point L777-2(lines 777 791) the Hoare annotation is: true [2022-07-22 17:38:04,245 INFO L902 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: true [2022-07-22 17:38:04,245 INFO L899 garLoopResultBuilder]: For program point L773-1(line 773) no Hoare annotation was computed. [2022-07-22 17:38:04,246 INFO L895 garLoopResultBuilder]: At program point L605(line 605) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse2 .cse4 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse5))) [2022-07-22 17:38:04,246 INFO L895 garLoopResultBuilder]: At program point L601(line 601) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse7 (<= 1 |timeShift_processEnvironment_~tmp~6#1|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 (and .cse5 (= ~methAndRunningLastTime~0 0) .cse6 .cse7) .cse3) (or .cse5 .cse2 .cse4 .cse8) (or .cse0 .cse1 .cse2 .cse8) (or .cse2 .cse4 .cse3 (and .cse5 .cse6 .cse7) (not (<= 2 |old(~waterLevel~0)|))))) [2022-07-22 17:38:04,246 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 507 530) no Hoare annotation was computed. [2022-07-22 17:38:04,246 INFO L895 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= ~pumpRunning~0 0)) (.cse15 (<= 1 ~methaneLevelCritical~0)) (.cse14 (= 1 ~systemActive~0))) (let ((.cse8 (and .cse13 .cse15 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse14)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse7 (not .cse15)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (and .cse13 .cse12)) (.cse4 (not .cse14)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse4 .cse6 .cse7 (not (<= 2 |old(~waterLevel~0)|)) .cse8) (or .cse1 .cse4 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse7) (or .cse0 .cse1 .cse9 .cse4 (and .cse10 .cse2 .cse11 .cse12) .cse7) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse13 .cse4 .cse6 .cse5) (or .cse0 .cse1 .cse9 .cse4 (and .cse10 .cse11 .cse12) .cse5)))) [2022-07-22 17:38:04,246 INFO L899 garLoopResultBuilder]: For program point L742-1(line 742) no Hoare annotation was computed. [2022-07-22 17:38:04,246 INFO L895 garLoopResultBuilder]: At program point L610(line 610) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4) (or .cse1 .cse3 .cse5 .cse6) (or .cse3 .cse5 .cse4) (or .cse3 .cse5 .cse6 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse3 (and .cse7 .cse2 .cse8) .cse6) (or .cse0 .cse1 (and .cse7 .cse8) .cse3 .cse4))) [2022-07-22 17:38:04,246 INFO L895 garLoopResultBuilder]: At program point L610-1(lines 591 615) the Hoare annotation is: (let ((.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= ~pumpRunning~0 0)) (.cse15 (<= 1 ~methaneLevelCritical~0)) (.cse14 (= 1 ~systemActive~0))) (let ((.cse8 (and .cse13 .cse15 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse14)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse7 (not .cse15)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (and .cse13 .cse12)) (.cse4 (not .cse14)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse4 .cse6 .cse7 (not (<= 2 |old(~waterLevel~0)|)) .cse8) (or .cse1 .cse4 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse7) (or .cse0 .cse1 .cse9 .cse4 (and .cse10 .cse2 .cse11 .cse12) .cse7) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse13 .cse4 .cse6 .cse5) (or .cse0 .cse1 .cse9 .cse4 (and .cse10 .cse11 .cse12) .cse5)))) [2022-07-22 17:38:04,246 INFO L895 garLoopResultBuilder]: At program point L639(lines 632 642) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= 1 |timeShift_isMethaneAlarm_#res#1|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 .cse2 .cse5 .cse3 (and .cse4 (= ~methAndRunningLastTime~0 0) .cse7)) (or .cse2 .cse5 .cse3 (and .cse4 .cse7) (not (<= 2 |old(~waterLevel~0)|))))) [2022-07-22 17:38:04,246 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 510 529) no Hoare annotation was computed. [2022-07-22 17:38:04,247 INFO L895 garLoopResultBuilder]: At program point L648(lines 643 651) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse10 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse11 (= 1 ~systemActive~0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse7 (and .cse9 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse10 (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse11)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not .cse11)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse2) (or .cse3 .cse4 .cse5 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse6) (or .cse7 .cse0 .cse1 .cse6 (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse3 .cse4 .cse0 (and (<= 1 ~pumpRunning~0) .cse5 (<= 2 ~waterLevel~0) .cse8) .cse6 (and .cse9 .cse10 .cse8))) (or .cse7 .cse4 .cse0 .cse1 .cse6)))) [2022-07-22 17:38:04,247 INFO L899 garLoopResultBuilder]: For program point L599(lines 599 607) no Hoare annotation was computed. [2022-07-22 17:38:04,247 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-07-22 17:38:04,247 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 612) no Hoare annotation was computed. [2022-07-22 17:38:04,247 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 758) no Hoare annotation was computed. [2022-07-22 17:38:04,247 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 761) no Hoare annotation was computed. [2022-07-22 17:38:04,247 INFO L895 garLoopResultBuilder]: At program point L744-1(lines 736 764) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0))) (let ((.cse0 (and .cse6 .cse7 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse9 (<= 1 ~pumpRunning~0)) (.cse10 (<= 2 ~waterLevel~0)) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse12 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| 0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse5 .cse1 (and .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse8) .cse3) (or .cse5 .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse11 (and .cse6 .cse7 .cse12) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7 .cse12)) (or .cse4 .cse5 .cse1 (and .cse9 .cse7 .cse10 .cse12 .cse8) .cse11 (and .cse6 .cse7 .cse12 .cse8))))) [2022-07-22 17:38:04,247 INFO L895 garLoopResultBuilder]: At program point L637(line 637) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse2 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 .cse2 .cse5 (and .cse4 (= ~methAndRunningLastTime~0 0)) .cse3))) [2022-07-22 17:38:04,247 INFO L899 garLoopResultBuilder]: For program point L637-1(line 637) no Hoare annotation was computed. [2022-07-22 17:38:04,247 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse2 .cse4 .cse5) (or .cse2 .cse4 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 .cse5))) [2022-07-22 17:38:04,248 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 507 530) the Hoare annotation is: (let ((.cse9 (= ~methAndRunningLastTime~0 0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and .cse8 .cse10)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= ~pumpRunning~0 0) .cse9 .cse10)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse2) (or .cse0 .cse1 .cse7 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse5 .cse0 .cse6 .cse7) (or (and .cse8 .cse9 .cse10) .cse5 .cse0 .cse1 .cse7)))) [2022-07-22 17:38:04,248 INFO L899 garLoopResultBuilder]: For program point L749(lines 749 755) no Hoare annotation was computed. [2022-07-22 17:38:04,248 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 507 530) no Hoare annotation was computed. [2022-07-22 17:38:04,248 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 877) no Hoare annotation was computed. [2022-07-22 17:38:04,248 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-07-22 17:38:04,248 INFO L895 garLoopResultBuilder]: At program point L873-2(lines 869 880) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse2 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 .cse2 .cse5 (and .cse4 (= ~methAndRunningLastTime~0 0)) .cse3))) [2022-07-22 17:38:04,248 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 518 524) no Hoare annotation was computed. [2022-07-22 17:38:04,248 INFO L895 garLoopResultBuilder]: At program point L733(lines 728 735) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:38:04,248 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-07-22 17:38:04,248 INFO L902 garLoopResultBuilder]: At program point L861(lines 842 864) the Hoare annotation is: true [2022-07-22 17:38:04,248 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 93 99) no Hoare annotation was computed. [2022-07-22 17:38:04,248 INFO L902 garLoopResultBuilder]: At program point L122(lines 63 126) the Hoare annotation is: true [2022-07-22 17:38:04,248 INFO L895 garLoopResultBuilder]: At program point L985(lines 981 987) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:38:04,249 INFO L895 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse7 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-07-22 17:38:04,249 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 17:38:04,249 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 17:38:04,249 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 17:38:04,249 INFO L895 garLoopResultBuilder]: At program point L825(lines 821 827) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:38:04,249 INFO L895 garLoopResultBuilder]: At program point L119(lines 72 120) the Hoare annotation is: false [2022-07-22 17:38:04,249 INFO L899 garLoopResultBuilder]: For program point L74(lines 73 118) no Hoare annotation was computed. [2022-07-22 17:38:04,249 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 114) no Hoare annotation was computed. [2022-07-22 17:38:04,249 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 17:38:04,249 INFO L895 garLoopResultBuilder]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse7 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-07-22 17:38:04,249 INFO L895 garLoopResultBuilder]: At program point L116(lines 73 118) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse7 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-07-22 17:38:04,249 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed. [2022-07-22 17:38:04,249 INFO L899 garLoopResultBuilder]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2022-07-22 17:38:04,250 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2022-07-22 17:38:04,250 INFO L895 garLoopResultBuilder]: At program point L1000(lines 995 1003) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:38:04,250 INFO L895 garLoopResultBuilder]: At program point L992(lines 988 994) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:38:04,250 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 859) no Hoare annotation was computed. [2022-07-22 17:38:04,250 INFO L899 garLoopResultBuilder]: For program point L852-2(lines 852 859) no Hoare annotation was computed. [2022-07-22 17:38:04,250 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 113) no Hoare annotation was computed. [2022-07-22 17:38:04,250 INFO L895 garLoopResultBuilder]: At program point L109-2(lines 103 114) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse8 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse8 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-07-22 17:38:04,250 INFO L902 garLoopResultBuilder]: At program point L836(lines 828 838) the Hoare annotation is: true [2022-07-22 17:38:04,250 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 539 563) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))))) [2022-07-22 17:38:04,250 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 560) no Hoare annotation was computed. [2022-07-22 17:38:04,250 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 956) no Hoare annotation was computed. [2022-07-22 17:38:04,251 INFO L895 garLoopResultBuilder]: At program point L558(line 558) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse0 .cse1))) [2022-07-22 17:38:04,251 INFO L899 garLoopResultBuilder]: For program point L558-1(lines 539 563) no Hoare annotation was computed. [2022-07-22 17:38:04,251 INFO L895 garLoopResultBuilder]: At program point L703(lines 688 706) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 1 ~systemActive~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse6)) (.cse3 (and .cse5 (<= 2 ~waterLevel~0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) .cse6 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 .cse1 .cse3 .cse4) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0)))))) [2022-07-22 17:38:04,251 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 539 563) no Hoare annotation was computed. [2022-07-22 17:38:04,251 INFO L895 garLoopResultBuilder]: At program point L955(lines 946 959) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (and .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1))) (.cse4 (and .cse5 (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 .cse3 .cse1 .cse4) (or .cse2 .cse0 .cse3 (not (<= 1 ~methaneLevelCritical~0)) .cse4 (not (= ~methAndRunningLastTime~0 0)))))) [2022-07-22 17:38:04,251 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 701) no Hoare annotation was computed. [2022-07-22 17:38:04,251 INFO L899 garLoopResultBuilder]: For program point L697-2(lines 697 701) no Hoare annotation was computed. [2022-07-22 17:38:04,251 INFO L895 garLoopResultBuilder]: At program point L621(lines 616 623) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse3 .cse0 .cse1))) [2022-07-22 17:38:04,251 INFO L895 garLoopResultBuilder]: At program point L553(line 553) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse4)) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~4#1| 0) .cse4))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 .cse1 .cse3) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= ~methAndRunningLastTime~0 0)))))) [2022-07-22 17:38:04,251 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 555) no Hoare annotation was computed. [2022-07-22 17:38:04,251 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 881 892) no Hoare annotation was computed. [2022-07-22 17:38:04,254 INFO L899 garLoopResultBuilder]: For program point L885-1(lines 881 892) no Hoare annotation was computed. [2022-07-22 17:38:04,254 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 881 892) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse0 .cse1 .cse3 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse5) (or .cse4 .cse0 .cse6 .cse3 .cse5))) [2022-07-22 17:38:04,255 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 565 589) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))))) [2022-07-22 17:38:04,255 INFO L895 garLoopResultBuilder]: At program point L965(lines 960 968) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse0 .cse1))) [2022-07-22 17:38:04,255 INFO L895 garLoopResultBuilder]: At program point L579(line 579) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse0 .cse1))) [2022-07-22 17:38:04,255 INFO L895 garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse0 .cse1))) [2022-07-22 17:38:04,255 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 565 589) no Hoare annotation was computed. [2022-07-22 17:38:04,256 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 581) no Hoare annotation was computed. [2022-07-22 17:38:04,256 INFO L899 garLoopResultBuilder]: For program point L569(lines 569 586) no Hoare annotation was computed. [2022-07-22 17:38:04,256 INFO L895 garLoopResultBuilder]: At program point L722(lines 707 725) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse0 .cse1))) [2022-07-22 17:38:04,256 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 720) no Hoare annotation was computed. [2022-07-22 17:38:04,256 INFO L899 garLoopResultBuilder]: For program point L716-2(lines 716 720) no Hoare annotation was computed. [2022-07-22 17:38:04,256 INFO L895 garLoopResultBuilder]: At program point L584(line 584) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))))) [2022-07-22 17:38:04,256 INFO L899 garLoopResultBuilder]: For program point L584-1(lines 565 589) no Hoare annotation was computed. [2022-07-22 17:38:04,259 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:04,261 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 17:38:04,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:38:04 BoogieIcfgContainer [2022-07-22 17:38:04,313 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 17:38:04,314 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 17:38:04,314 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 17:38:04,314 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 17:38:04,315 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:37:54" (3/4) ... [2022-07-22 17:38:04,317 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 17:38:04,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-22 17:38:04,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-22 17:38:04,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-22 17:38:04,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-22 17:38:04,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-22 17:38:04,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-22 17:38:04,324 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:38:04,324 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-22 17:38:04,324 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-07-22 17:38:04,336 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2022-07-22 17:38:04,336 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 17:38:04,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 17:38:04,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 17:38:04,338 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 17:38:04,338 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:38:04,338 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:38:04,356 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-07-22 17:38:04,356 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-07-22 17:38:04,357 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-07-22 17:38:04,357 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0)) || ((((((1 <= pumpRunning && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0)) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) [2022-07-22 17:38:04,357 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= methaneLevelCritical)) [2022-07-22 17:38:04,358 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= tmp) && 1 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= tmp) && 1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) [2022-07-22 17:38:04,358 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical))) && ((((!(\old(methAndRunningLastTime) == 0) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && tmp == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) [2022-07-22 17:38:04,359 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || !(2 <= \old(waterLevel))) [2022-07-22 17:38:04,359 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((((((((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp) && 1 == systemActive) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && ((((((((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp) && 1 == systemActive) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) [2022-07-22 17:38:04,359 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-22 17:38:04,359 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0)) [2022-07-22 17:38:04,360 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-22 17:38:04,360 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-22 17:38:04,360 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0)) || !(methAndRunningLastTime == 0)) [2022-07-22 17:38:04,360 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-22 17:38:04,393 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 17:38:04,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 17:38:04,394 INFO L158 Benchmark]: Toolchain (without parser) took 10675.29ms. Allocated memory was 79.7MB in the beginning and 117.4MB in the end (delta: 37.7MB). Free memory was 45.3MB in the beginning and 67.8MB in the end (delta: -22.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2022-07-22 17:38:04,395 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 51.6MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:38:04,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.16ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 45.0MB in the beginning and 64.1MB in the end (delta: -19.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 17:38:04,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.32ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 61.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:38:04,396 INFO L158 Benchmark]: Boogie Preprocessor took 31.27ms. Allocated memory is still 96.5MB. Free memory was 61.6MB in the beginning and 60.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:38:04,396 INFO L158 Benchmark]: RCFGBuilder took 486.67ms. Allocated memory is still 96.5MB. Free memory was 59.9MB in the beginning and 42.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-22 17:38:04,397 INFO L158 Benchmark]: TraceAbstraction took 9553.76ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 42.3MB in the beginning and 74.1MB in the end (delta: -31.8MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2022-07-22 17:38:04,397 INFO L158 Benchmark]: Witness Printer took 80.13ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 67.8MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 17:38:04,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 51.6MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.16ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 45.0MB in the beginning and 64.1MB in the end (delta: -19.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.32ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 61.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.27ms. Allocated memory is still 96.5MB. Free memory was 61.6MB in the beginning and 60.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.67ms. Allocated memory is still 96.5MB. Free memory was 59.9MB in the beginning and 42.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9553.76ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 42.3MB in the beginning and 74.1MB in the end (delta: -31.8MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * Witness Printer took 80.13ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 67.8MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: 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, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1701 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1666 mSDsluCounter, 3786 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2332 mSDsCounter, 582 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1551 IncrementalHoareTripleChecker+Invalid, 2133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 582 mSolverCounterUnsat, 1454 mSDtfsCounter, 1551 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 428 GetRequests, 330 SyntacticMatches, 2 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=830occurred in iteration=10, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 305 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 1749 PreInvPairs, 1937 NumberOfFragments, 2921 HoareAnnotationTreeSize, 1749 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 47 FomulaSimplificationsInter, 12114 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 854 NumberOfCodeBlocks, 854 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 840 ConstructedInterpolants, 0 QuantifiedInterpolants, 1584 SizeOfPredicates, 5 NumberOfNonLiveVariables, 995 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 148/157 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: 632]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((((((((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp) && 1 == systemActive) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && ((((((((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp) && 1 == systemActive) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= tmp) && 1 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= tmp) && 1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical))) && ((((!(\old(methAndRunningLastTime) == 0) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && tmp == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0)) || ((((((1 <= pumpRunning && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0)) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-22 17:38:04,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE