./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product62.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_spec3_product62.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 4d13ffd2557e7d7902d8a5eac414f9fb7393252d85c14855e86000741be6847f --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:08:31,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:08:31,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:08:31,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:08:31,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:08:31,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:08:31,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:08:31,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:08:31,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:08:31,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:08:31,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:08:31,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:08:31,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:08:31,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:08:31,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:08:31,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:08:31,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:08:31,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:08:31,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:08:31,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:08:31,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:08:31,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:08:31,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:08:31,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:08:31,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:08:31,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:08:31,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:08:31,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:08:31,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:08:31,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:08:31,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:08:31,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:08:31,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:08:31,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:08:31,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:08:31,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:08:31,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:08:31,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:08:31,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:08:31,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:08:31,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:08:31,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:08:31,708 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:08:31,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:08:31,709 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:08:31,709 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:08:31,710 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:08:31,710 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:08:31,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:08:31,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:08:31,711 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:08:31,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:08:31,712 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:08:31,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:08:31,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:08:31,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:08:31,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:08:31,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:08:31,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:08:31,713 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:08:31,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:08:31,713 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:08:31,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:08:31,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:08:31,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:08:31,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:08:31,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:08:31,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:08:31,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:08:31,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:08:31,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:08:31,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:08:31,716 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:08:31,716 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:08:31,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:08:31,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:08:31,716 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d13ffd2557e7d7902d8a5eac414f9fb7393252d85c14855e86000741be6847f [2021-12-17 15:08:31,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:08:31,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:08:31,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:08:31,973 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:08:31,974 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:08:31,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product62.cil.c [2021-12-17 15:08:32,050 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bf813640/f4f106d909a147d4b80bbfa124efe7ed/FLAGf3d95c7d7 [2021-12-17 15:08:32,432 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:08:32,437 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product62.cil.c [2021-12-17 15:08:32,448 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bf813640/f4f106d909a147d4b80bbfa124efe7ed/FLAGf3d95c7d7 [2021-12-17 15:08:32,813 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bf813640/f4f106d909a147d4b80bbfa124efe7ed [2021-12-17 15:08:32,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:08:32,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:08:32,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:08:32,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:08:32,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:08:32,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:08:32" (1/1) ... [2021-12-17 15:08:32,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1a379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:32, skipping insertion in model container [2021-12-17 15:08:32,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:08:32" (1/1) ... [2021-12-17 15:08:32,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:08:32,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:08:33,005 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_spec3_product62.cil.c[1605,1618] [2021-12-17 15:08:33,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:08:33,176 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:08:33,195 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_spec3_product62.cil.c[1605,1618] [2021-12-17 15:08:33,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:08:33,273 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:08:33,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:33 WrapperNode [2021-12-17 15:08:33,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:08:33,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:08:33,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:08:33,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:08:33,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:33" (1/1) ... [2021-12-17 15:08:33,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:33" (1/1) ... [2021-12-17 15:08:33,344 INFO L137 Inliner]: procedures = 58, calls = 162, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 283 [2021-12-17 15:08:33,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:08:33,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:08:33,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:08:33,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:08:33,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:33" (1/1) ... [2021-12-17 15:08:33,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:33" (1/1) ... [2021-12-17 15:08:33,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:33" (1/1) ... [2021-12-17 15:08:33,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:33" (1/1) ... [2021-12-17 15:08:33,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:33" (1/1) ... [2021-12-17 15:08:33,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:33" (1/1) ... [2021-12-17 15:08:33,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:33" (1/1) ... [2021-12-17 15:08:33,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:08:33,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:08:33,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:08:33,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:08:33,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:33" (1/1) ... [2021-12-17 15:08:33,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:08:33,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:08:33,428 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) [2021-12-17 15:08:33,449 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 [2021-12-17 15:08:33,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:08:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-17 15:08:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-17 15:08:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:08:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:08:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:08:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:08:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-17 15:08:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-17 15:08:33,467 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:08:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:08:33,467 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:08:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:08:33,467 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-17 15:08:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-17 15:08:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-17 15:08:33,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-17 15:08:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-17 15:08:33,468 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-17 15:08:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:08:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:08:33,469 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:08:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:08:33,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:08:33,546 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:08:33,547 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:08:33,844 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:08:33,849 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:08:33,850 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:08:33,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:08:33 BoogieIcfgContainer [2021-12-17 15:08:33,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:08:33,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:08:33,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:08:33,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:08:33,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:08:32" (1/3) ... [2021-12-17 15:08:33,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb23297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:08:33, skipping insertion in model container [2021-12-17 15:08:33,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:08:33" (2/3) ... [2021-12-17 15:08:33,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb23297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:08:33, skipping insertion in model container [2021-12-17 15:08:33,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:08:33" (3/3) ... [2021-12-17 15:08:33,858 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product62.cil.c [2021-12-17 15:08:33,866 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:08:33,867 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:08:33,905 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:08:33,910 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 15:08:33,910 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:08:33,925 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 91 states have internal predecessors, (111), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2021-12-17 15:08:33,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-17 15:08:33,931 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:33,931 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:08:33,932 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:33,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:33,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1444919738, now seen corresponding path program 1 times [2021-12-17 15:08:33,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:33,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059118864] [2021-12-17 15:08:33,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:33,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:34,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:08:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:34,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:34,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:34,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059118864] [2021-12-17 15:08:34,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059118864] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:34,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:34,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:08:34,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110790351] [2021-12-17 15:08:34,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:34,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:08:34,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:34,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:08:34,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:08:34,177 INFO L87 Difference]: Start difference. First operand has 111 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 91 states have internal predecessors, (111), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) 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) [2021-12-17 15:08:34,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:34,207 INFO L93 Difference]: Finished difference Result 214 states and 289 transitions. [2021-12-17 15:08:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:08:34,209 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 [2021-12-17 15:08:34,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:34,217 INFO L225 Difference]: With dead ends: 214 [2021-12-17 15:08:34,217 INFO L226 Difference]: Without dead ends: 102 [2021-12-17 15:08:34,220 INFO L932 BasicCegarLoop]: 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 [2021-12-17 15:08:34,223 INFO L933 BasicCegarLoop]: 141 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, 141 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 [2021-12-17 15:08:34,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:08:34,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-12-17 15:08:34,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2021-12-17 15:08:34,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 74 states have (on average 1.3108108108108107) internal successors, (97), 83 states have internal predecessors, (97), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2021-12-17 15:08:34,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 132 transitions. [2021-12-17 15:08:34,262 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 132 transitions. Word has length 25 [2021-12-17 15:08:34,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:34,263 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 132 transitions. [2021-12-17 15:08:34,263 INFO L471 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) [2021-12-17 15:08:34,263 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 132 transitions. [2021-12-17 15:08:34,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-17 15:08:34,266 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:34,266 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:08:34,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:08:34,267 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:34,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:34,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1097025375, now seen corresponding path program 1 times [2021-12-17 15:08:34,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:34,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041885248] [2021-12-17 15:08:34,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:34,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:34,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-17 15:08:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:34,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:34,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:34,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041885248] [2021-12-17 15:08:34,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041885248] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:34,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:34,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:08:34,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485722372] [2021-12-17 15:08:34,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:34,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:08:34,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:34,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:08:34,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:08:34,338 INFO L87 Difference]: Start difference. First operand 102 states and 132 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) [2021-12-17 15:08:34,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:34,356 INFO L93 Difference]: Finished difference Result 169 states and 219 transitions. [2021-12-17 15:08:34,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:08:34,357 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 [2021-12-17 15:08:34,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:34,359 INFO L225 Difference]: With dead ends: 169 [2021-12-17 15:08:34,359 INFO L226 Difference]: Without dead ends: 93 [2021-12-17 15:08:34,360 INFO L932 BasicCegarLoop]: 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 [2021-12-17 15:08:34,361 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 13 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 221 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 [2021-12-17 15:08:34,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 221 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:08:34,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-12-17 15:08:34,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-12-17 15:08:34,374 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), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-17 15:08:34,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 120 transitions. [2021-12-17 15:08:34,376 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 120 transitions. Word has length 26 [2021-12-17 15:08:34,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:34,376 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 120 transitions. [2021-12-17 15:08:34,376 INFO L471 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) [2021-12-17 15:08:34,376 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2021-12-17 15:08:34,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-17 15:08:34,378 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:34,378 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:08:34,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:08:34,378 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:34,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:34,383 INFO L85 PathProgramCache]: Analyzing trace with hash 2131311946, now seen corresponding path program 1 times [2021-12-17 15:08:34,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:34,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392318321] [2021-12-17 15:08:34,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:34,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:34,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:08:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:34,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:34,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:34,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392318321] [2021-12-17 15:08:34,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392318321] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:34,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:34,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:08:34,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089331740] [2021-12-17 15:08:34,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:34,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:08:34,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:34,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:08:34,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:08:34,469 INFO L87 Difference]: Start difference. First operand 93 states and 120 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-12-17 15:08:34,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:34,506 INFO L93 Difference]: Finished difference Result 179 states and 234 transitions. [2021-12-17 15:08:34,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:08:34,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 31 [2021-12-17 15:08:34,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:34,508 INFO L225 Difference]: With dead ends: 179 [2021-12-17 15:08:34,508 INFO L226 Difference]: Without dead ends: 93 [2021-12-17 15:08:34,509 INFO L932 BasicCegarLoop]: 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 [2021-12-17 15:08:34,510 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 114 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:34,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 118 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:08:34,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-12-17 15:08:34,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-12-17 15:08:34,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 77 states have internal predecessors, (89), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-17 15:08:34,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 119 transitions. [2021-12-17 15:08:34,523 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 119 transitions. Word has length 31 [2021-12-17 15:08:34,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:34,523 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 119 transitions. [2021-12-17 15:08:34,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-12-17 15:08:34,524 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 119 transitions. [2021-12-17 15:08:34,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-17 15:08:34,525 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:34,525 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:08:34,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:08:34,526 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:34,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:34,526 INFO L85 PathProgramCache]: Analyzing trace with hash 394218810, now seen corresponding path program 1 times [2021-12-17 15:08:34,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:34,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012881131] [2021-12-17 15:08:34,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:34,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:34,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:08:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:34,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:08:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:34,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:08:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:34,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-17 15:08:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:34,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:34,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:34,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012881131] [2021-12-17 15:08:34,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012881131] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:34,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:34,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:08:34,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246368200] [2021-12-17 15:08:34,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:34,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:08:34,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:34,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:08:34,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:08:34,640 INFO L87 Difference]: Start difference. First operand 93 states and 119 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-17 15:08:34,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:34,877 INFO L93 Difference]: Finished difference Result 271 states and 345 transitions. [2021-12-17 15:08:34,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:08:34,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2021-12-17 15:08:34,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:34,881 INFO L225 Difference]: With dead ends: 271 [2021-12-17 15:08:34,882 INFO L226 Difference]: Without dead ends: 185 [2021-12-17 15:08:34,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:08:34,884 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 216 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:34,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 349 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:08:34,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-12-17 15:08:34,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 179. [2021-12-17 15:08:34,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 133 states have (on average 1.2481203007518797) internal successors, (166), 142 states have internal predecessors, (166), 22 states have call successors, (22), 18 states have call predecessors, (22), 23 states have return successors, (29), 24 states have call predecessors, (29), 22 states have call successors, (29) [2021-12-17 15:08:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 217 transitions. [2021-12-17 15:08:34,918 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 217 transitions. Word has length 46 [2021-12-17 15:08:34,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:34,919 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 217 transitions. [2021-12-17 15:08:34,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-17 15:08:34,920 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 217 transitions. [2021-12-17 15:08:34,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-17 15:08:34,926 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:34,926 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:08:34,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:08:34,927 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:34,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:34,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1565999890, now seen corresponding path program 1 times [2021-12-17 15:08:34,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:34,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266700021] [2021-12-17 15:08:34,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:34,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:35,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:08:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:35,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:08:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:35,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:35,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-17 15:08:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:35,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:35,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:35,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266700021] [2021-12-17 15:08:35,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266700021] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:35,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:35,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:08:35,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541467473] [2021-12-17 15:08:35,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:35,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:08:35,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:35,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:08:35,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:08:35,066 INFO L87 Difference]: Start difference. First operand 179 states and 217 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:08:35,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:35,334 INFO L93 Difference]: Finished difference Result 458 states and 576 transitions. [2021-12-17 15:08:35,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 15:08:35,335 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2021-12-17 15:08:35,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:35,338 INFO L225 Difference]: With dead ends: 458 [2021-12-17 15:08:35,338 INFO L226 Difference]: Without dead ends: 286 [2021-12-17 15:08:35,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-17 15:08:35,340 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 158 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:35,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 450 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:08:35,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2021-12-17 15:08:35,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 278. [2021-12-17 15:08:35,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 207 states have (on average 1.2367149758454106) internal successors, (256), 219 states have internal predecessors, (256), 35 states have call successors, (35), 30 states have call predecessors, (35), 35 states have return successors, (48), 37 states have call predecessors, (48), 35 states have call successors, (48) [2021-12-17 15:08:35,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 339 transitions. [2021-12-17 15:08:35,365 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 339 transitions. Word has length 52 [2021-12-17 15:08:35,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:35,365 INFO L470 AbstractCegarLoop]: Abstraction has 278 states and 339 transitions. [2021-12-17 15:08:35,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-17 15:08:35,366 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 339 transitions. [2021-12-17 15:08:35,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-17 15:08:35,367 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:35,367 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:08:35,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:08:35,367 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:35,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:35,368 INFO L85 PathProgramCache]: Analyzing trace with hash 862642872, now seen corresponding path program 1 times [2021-12-17 15:08:35,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:35,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253650959] [2021-12-17 15:08:35,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:35,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:35,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:08:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:35,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:08:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:35,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:08:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:35,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:35,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-17 15:08:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:35,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:35,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:35,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253650959] [2021-12-17 15:08:35,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253650959] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:35,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:35,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-17 15:08:35,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552999099] [2021-12-17 15:08:35,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:35,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 15:08:35,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:35,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 15:08:35,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:08:35,494 INFO L87 Difference]: Start difference. First operand 278 states and 339 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 6 states have internal predecessors, (45), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-17 15:08:36,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:36,075 INFO L93 Difference]: Finished difference Result 682 states and 870 transitions. [2021-12-17 15:08:36,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-17 15:08:36,077 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 6 states have internal predecessors, (45), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 56 [2021-12-17 15:08:36,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:36,082 INFO L225 Difference]: With dead ends: 682 [2021-12-17 15:08:36,083 INFO L226 Difference]: Without dead ends: 510 [2021-12-17 15:08:36,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2021-12-17 15:08:36,088 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 386 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:36,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [391 Valid, 463 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 15:08:36,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2021-12-17 15:08:36,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 464. [2021-12-17 15:08:36,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 343 states have (on average 1.215743440233236) internal successors, (417), 365 states have internal predecessors, (417), 60 states have call successors, (60), 46 states have call predecessors, (60), 60 states have return successors, (95), 64 states have call predecessors, (95), 60 states have call successors, (95) [2021-12-17 15:08:36,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 572 transitions. [2021-12-17 15:08:36,144 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 572 transitions. Word has length 56 [2021-12-17 15:08:36,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:36,147 INFO L470 AbstractCegarLoop]: Abstraction has 464 states and 572 transitions. [2021-12-17 15:08:36,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 6 states have internal predecessors, (45), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-17 15:08:36,148 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 572 transitions. [2021-12-17 15:08:36,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-17 15:08:36,153 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:36,153 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:08:36,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 15:08:36,154 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:36,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:36,154 INFO L85 PathProgramCache]: Analyzing trace with hash 924682486, now seen corresponding path program 1 times [2021-12-17 15:08:36,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:36,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931658728] [2021-12-17 15:08:36,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:36,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:36,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:08:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:36,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:08:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:36,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:08:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:36,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:36,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-17 15:08:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:36,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:36,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931658728] [2021-12-17 15:08:36,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931658728] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:36,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:36,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:08:36,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495292861] [2021-12-17 15:08:36,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:36,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:08:36,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:36,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:08:36,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:08:36,237 INFO L87 Difference]: Start difference. First operand 464 states and 572 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:08:36,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:36,494 INFO L93 Difference]: Finished difference Result 860 states and 1070 transitions. [2021-12-17 15:08:36,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-17 15:08:36,495 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2021-12-17 15:08:36,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:36,498 INFO L225 Difference]: With dead ends: 860 [2021-12-17 15:08:36,498 INFO L226 Difference]: Without dead ends: 498 [2021-12-17 15:08:36,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-12-17 15:08:36,500 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 186 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:36,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 380 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:08:36,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2021-12-17 15:08:36,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 464. [2021-12-17 15:08:36,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 343 states have (on average 1.2128279883381925) internal successors, (416), 365 states have internal predecessors, (416), 60 states have call successors, (60), 46 states have call predecessors, (60), 60 states have return successors, (95), 64 states have call predecessors, (95), 60 states have call successors, (95) [2021-12-17 15:08:36,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 571 transitions. [2021-12-17 15:08:36,526 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 571 transitions. Word has length 56 [2021-12-17 15:08:36,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:36,527 INFO L470 AbstractCegarLoop]: Abstraction has 464 states and 571 transitions. [2021-12-17 15:08:36,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:08:36,527 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 571 transitions. [2021-12-17 15:08:36,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-17 15:08:36,528 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:36,529 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:08:36,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 15:08:36,529 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:36,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:36,530 INFO L85 PathProgramCache]: Analyzing trace with hash 790668980, now seen corresponding path program 1 times [2021-12-17 15:08:36,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:36,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214607515] [2021-12-17 15:08:36,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:36,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:36,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:08:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:36,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:08:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:08:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:36,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:36,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-17 15:08:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:36,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:36,594 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:36,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214607515] [2021-12-17 15:08:36,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214607515] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:36,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:36,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 15:08:36,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159279288] [2021-12-17 15:08:36,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:36,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 15:08:36,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:36,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 15:08:36,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:08:36,596 INFO L87 Difference]: Start difference. First operand 464 states and 571 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:08:36,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:36,870 INFO L93 Difference]: Finished difference Result 950 states and 1185 transitions. [2021-12-17 15:08:36,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 15:08:36,871 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2021-12-17 15:08:36,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:36,874 INFO L225 Difference]: With dead ends: 950 [2021-12-17 15:08:36,874 INFO L226 Difference]: Without dead ends: 493 [2021-12-17 15:08:36,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-17 15:08:36,876 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 188 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:36,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 437 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:08:36,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2021-12-17 15:08:36,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 467. [2021-12-17 15:08:36,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 348 states have (on average 1.206896551724138) internal successors, (420), 369 states have internal predecessors, (420), 59 states have call successors, (59), 45 states have call predecessors, (59), 59 states have return successors, (94), 63 states have call predecessors, (94), 59 states have call successors, (94) [2021-12-17 15:08:36,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 573 transitions. [2021-12-17 15:08:36,899 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 573 transitions. Word has length 56 [2021-12-17 15:08:36,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:36,899 INFO L470 AbstractCegarLoop]: Abstraction has 467 states and 573 transitions. [2021-12-17 15:08:36,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-17 15:08:36,900 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 573 transitions. [2021-12-17 15:08:36,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-17 15:08:36,901 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:36,901 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:08:36,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 15:08:36,901 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:36,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:36,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1116274415, now seen corresponding path program 1 times [2021-12-17 15:08:36,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:36,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24750162] [2021-12-17 15:08:36,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:36,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:36,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:08:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:36,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:08:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:36,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:08:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:36,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:37,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:08:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:37,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-17 15:08:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:37,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 15:08:37,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:37,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24750162] [2021-12-17 15:08:37,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24750162] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:08:37,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343655545] [2021-12-17 15:08:37,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:37,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:08:37,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:08:37,063 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) [2021-12-17 15:08:37,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 15:08:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:37,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-17 15:08:37,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:08:37,502 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:08:37,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 15:08:37,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343655545] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:37,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 15:08:37,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2021-12-17 15:08:37,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708841752] [2021-12-17 15:08:37,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:37,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 15:08:37,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:37,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 15:08:37,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2021-12-17 15:08:37,505 INFO L87 Difference]: Start difference. First operand 467 states and 573 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-17 15:08:37,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:37,663 INFO L93 Difference]: Finished difference Result 1368 states and 1709 transitions. [2021-12-17 15:08:37,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:08:37,664 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2021-12-17 15:08:37,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:37,669 INFO L225 Difference]: With dead ends: 1368 [2021-12-17 15:08:37,669 INFO L226 Difference]: Without dead ends: 908 [2021-12-17 15:08:37,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2021-12-17 15:08:37,672 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 75 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:37,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 698 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:08:37,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2021-12-17 15:08:37,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 906. [2021-12-17 15:08:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 673 states have (on average 1.1961367013372957) internal successors, (805), 711 states have internal predecessors, (805), 117 states have call successors, (117), 90 states have call predecessors, (117), 115 states have return successors, (189), 123 states have call predecessors, (189), 117 states have call successors, (189) [2021-12-17 15:08:37,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1111 transitions. [2021-12-17 15:08:37,718 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1111 transitions. Word has length 65 [2021-12-17 15:08:37,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:37,719 INFO L470 AbstractCegarLoop]: Abstraction has 906 states and 1111 transitions. [2021-12-17 15:08:37,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-17 15:08:37,719 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1111 transitions. [2021-12-17 15:08:37,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-12-17 15:08:37,721 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:37,721 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:08:37,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 15:08:37,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:08:37,936 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:37,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:37,936 INFO L85 PathProgramCache]: Analyzing trace with hash -930662327, now seen corresponding path program 1 times [2021-12-17 15:08:37,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:37,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466794775] [2021-12-17 15:08:37,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:37,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:37,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:08:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:37,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:08:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:38,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:08:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:38,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:38,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:08:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:38,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-17 15:08:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:38,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-17 15:08:38,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:38,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466794775] [2021-12-17 15:08:38,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466794775] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:38,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:38,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-17 15:08:38,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676454612] [2021-12-17 15:08:38,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:38,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 15:08:38,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:38,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 15:08:38,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:08:38,042 INFO L87 Difference]: Start difference. First operand 906 states and 1111 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 7 states have internal predecessors, (51), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-17 15:08:38,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:38,573 INFO L93 Difference]: Finished difference Result 1828 states and 2237 transitions. [2021-12-17 15:08:38,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-17 15:08:38,574 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 7 states have internal predecessors, (51), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2021-12-17 15:08:38,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:38,579 INFO L225 Difference]: With dead ends: 1828 [2021-12-17 15:08:38,579 INFO L226 Difference]: Without dead ends: 929 [2021-12-17 15:08:38,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2021-12-17 15:08:38,583 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 371 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:38,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [376 Valid, 595 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 15:08:38,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2021-12-17 15:08:38,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 906. [2021-12-17 15:08:38,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 673 states have (on average 1.1812778603268945) internal successors, (795), 711 states have internal predecessors, (795), 117 states have call successors, (117), 90 states have call predecessors, (117), 115 states have return successors, (174), 123 states have call predecessors, (174), 117 states have call successors, (174) [2021-12-17 15:08:38,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1086 transitions. [2021-12-17 15:08:38,625 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1086 transitions. Word has length 66 [2021-12-17 15:08:38,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:38,626 INFO L470 AbstractCegarLoop]: Abstraction has 906 states and 1086 transitions. [2021-12-17 15:08:38,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 7 states have internal predecessors, (51), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-17 15:08:38,626 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1086 transitions. [2021-12-17 15:08:38,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-12-17 15:08:38,628 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:38,628 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:08:38,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 15:08:38,628 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:38,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:38,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1947456301, now seen corresponding path program 1 times [2021-12-17 15:08:38,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:38,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590364834] [2021-12-17 15:08:38,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:38,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:38,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:08:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:38,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-17 15:08:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:38,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:08:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:38,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:08:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:38,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:38,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:08:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:38,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-17 15:08:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:38,732 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 15:08:38,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:38,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590364834] [2021-12-17 15:08:38,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590364834] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:08:38,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:08:38,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-17 15:08:38,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87656417] [2021-12-17 15:08:38,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:08:38,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-17 15:08:38,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:38,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-17 15:08:38,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-12-17 15:08:38,734 INFO L87 Difference]: Start difference. First operand 906 states and 1086 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-17 15:08:40,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:40,007 INFO L93 Difference]: Finished difference Result 2214 states and 2710 transitions. [2021-12-17 15:08:40,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-12-17 15:08:40,008 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) Word has length 69 [2021-12-17 15:08:40,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:40,014 INFO L225 Difference]: With dead ends: 2214 [2021-12-17 15:08:40,014 INFO L226 Difference]: Without dead ends: 1315 [2021-12-17 15:08:40,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 621 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=491, Invalid=1765, Unknown=0, NotChecked=0, Total=2256 [2021-12-17 15:08:40,018 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 601 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 424 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 1726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 424 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:40,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [605 Valid, 582 Invalid, 1726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [424 Valid, 1302 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-17 15:08:40,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1315 states. [2021-12-17 15:08:40,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1315 to 874. [2021-12-17 15:08:40,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 641 states have (on average 1.1528861154446177) internal successors, (739), 679 states have internal predecessors, (739), 117 states have call successors, (117), 90 states have call predecessors, (117), 115 states have return successors, (168), 123 states have call predecessors, (168), 117 states have call successors, (168) [2021-12-17 15:08:40,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1024 transitions. [2021-12-17 15:08:40,062 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1024 transitions. Word has length 69 [2021-12-17 15:08:40,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:40,062 INFO L470 AbstractCegarLoop]: Abstraction has 874 states and 1024 transitions. [2021-12-17 15:08:40,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-17 15:08:40,063 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1024 transitions. [2021-12-17 15:08:40,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-17 15:08:40,066 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:08:40,066 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-12-17 15:08:40,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-17 15:08:40,067 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:08:40,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:08:40,068 INFO L85 PathProgramCache]: Analyzing trace with hash 20560600, now seen corresponding path program 1 times [2021-12-17 15:08:40,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:08:40,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824263103] [2021-12-17 15:08:40,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:40,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:08:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:40,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-17 15:08:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:40,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:08:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:40,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:08:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:40,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:08:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:40,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-17 15:08:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:40,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:08:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:40,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-17 15:08:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:40,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-17 15:08:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:40,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-17 15:08:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:40,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-17 15:08:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-17 15:08:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:40,286 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-17 15:08:40,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:08:40,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824263103] [2021-12-17 15:08:40,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824263103] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:08:40,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691672306] [2021-12-17 15:08:40,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:08:40,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:08:40,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:08:40,289 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) [2021-12-17 15:08:40,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 15:08:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:08:40,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-17 15:08:40,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:08:40,652 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-17 15:08:40,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 15:08:41,008 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-12-17 15:08:41,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691672306] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 15:08:41,008 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 15:08:41,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 9] total 22 [2021-12-17 15:08:41,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027397178] [2021-12-17 15:08:41,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 15:08:41,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-17 15:08:41,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:08:41,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-17 15:08:41,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2021-12-17 15:08:41,011 INFO L87 Difference]: Start difference. First operand 874 states and 1024 transitions. Second operand has 22 states, 22 states have (on average 6.818181818181818) internal successors, (150), 15 states have internal predecessors, (150), 7 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 10 states have call predecessors, (28), 7 states have call successors, (28) [2021-12-17 15:08:42,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:08:42,757 INFO L93 Difference]: Finished difference Result 1802 states and 2181 transitions. [2021-12-17 15:08:42,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-12-17 15:08:42,758 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.818181818181818) internal successors, (150), 15 states have internal predecessors, (150), 7 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 10 states have call predecessors, (28), 7 states have call successors, (28) Word has length 107 [2021-12-17 15:08:42,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:08:42,759 INFO L225 Difference]: With dead ends: 1802 [2021-12-17 15:08:42,759 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:08:42,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 233 SyntacticMatches, 4 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1271 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1121, Invalid=3849, Unknown=0, NotChecked=0, Total=4970 [2021-12-17 15:08:42,764 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 1500 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 886 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1502 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 2278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 886 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:08:42,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1502 Valid, 680 Invalid, 2278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [886 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-17 15:08:42,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:08:42,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:08:42,765 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) [2021-12-17 15:08:42,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:08:42,766 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 107 [2021-12-17 15:08:42,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:08:42,766 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:08:42,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.818181818181818) internal successors, (150), 15 states have internal predecessors, (150), 7 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 10 states have call predecessors, (28), 7 states have call successors, (28) [2021-12-17 15:08:42,766 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:08:42,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:08:42,769 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:08:42,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-17 15:08:42,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-17 15:08:42,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:08:49,329 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 751 758) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2021-12-17 15:08:49,329 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 751 758) no Hoare annotation was computed. [2021-12-17 15:08:49,330 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 751 758) no Hoare annotation was computed. [2021-12-17 15:08:49,330 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 641 647) no Hoare annotation was computed. [2021-12-17 15:08:49,330 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 641 647) the Hoare annotation is: true [2021-12-17 15:08:49,330 INFO L854 garLoopResultBuilder]: At program point L566(lines 561 569) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 1))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6 .cse7) (or .cse4 .cse0 .cse6 .cse3 .cse7) (or .cse0 .cse5 .cse1 .cse2))) [2021-12-17 15:08:49,330 INFO L854 garLoopResultBuilder]: At program point L694(line 694) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse0 .cse2 .cse3 .cse4 (= ~pumpRunning~0 0)) (or .cse5 .cse0 .cse1 .cse6) (or .cse5 .cse0 .cse4 .cse6))) [2021-12-17 15:08:49,330 INFO L858 garLoopResultBuilder]: For program point L694-1(lines 675 699) no Hoare annotation was computed. [2021-12-17 15:08:49,331 INFO L854 garLoopResultBuilder]: At program point L849(lines 834 852) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 1))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6 .cse7) (or .cse4 .cse0 .cse6 .cse3 .cse7) (or .cse0 .cse5 .cse1 .cse2))) [2021-12-17 15:08:49,331 INFO L858 garLoopResultBuilder]: For program point L843(lines 843 847) no Hoare annotation was computed. [2021-12-17 15:08:49,331 INFO L858 garLoopResultBuilder]: For program point L843-2(lines 843 847) no Hoare annotation was computed. [2021-12-17 15:08:49,331 INFO L854 garLoopResultBuilder]: At program point L689(line 689) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 1))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6 .cse7) (or .cse4 .cse0 .cse6 .cse3 .cse7) (or .cse0 .cse5 .cse1 .cse2))) [2021-12-17 15:08:49,331 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 675 699) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 (= ~pumpRunning~0 0)) (or .cse6 .cse0 .cse1 .cse4 .cse7) (or .cse6 .cse0 .cse4 .cse5 .cse7))) [2021-12-17 15:08:49,331 INFO L854 garLoopResultBuilder]: At program point L685(line 685) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 1))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6 .cse7) (or .cse4 .cse0 .cse6 .cse3 .cse7) (or .cse0 .cse5 .cse1 .cse2))) [2021-12-17 15:08:49,331 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 675 699) no Hoare annotation was computed. [2021-12-17 15:08:49,331 INFO L858 garLoopResultBuilder]: For program point L683(lines 683 691) no Hoare annotation was computed. [2021-12-17 15:08:49,331 INFO L858 garLoopResultBuilder]: For program point L679(lines 679 696) no Hoare annotation was computed. [2021-12-17 15:08:49,332 INFO L858 garLoopResultBuilder]: For program point L498-1(lines 494 505) no Hoare annotation was computed. [2021-12-17 15:08:49,332 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 494 505) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse7 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse5 (not (= |old(~methaneLevelCritical~0)| ~systemActive~0))) (.cse6 (= ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse4 .cse5 .cse6) (or .cse0 .cse7 .cse1 .cse3 .cse4) (or .cse7 .cse1 .cse4 .cse5 .cse6))) [2021-12-17 15:08:49,332 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 494 505) no Hoare annotation was computed. [2021-12-17 15:08:49,332 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 931 960) no Hoare annotation was computed. [2021-12-17 15:08:49,332 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 931 960) the Hoare annotation is: true [2021-12-17 15:08:49,332 INFO L861 garLoopResultBuilder]: At program point L956(lines 931 960) the Hoare annotation is: true [2021-12-17 15:08:49,332 INFO L858 garLoopResultBuilder]: For program point L952(line 952) no Hoare annotation was computed. [2021-12-17 15:08:49,332 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 949) no Hoare annotation was computed. [2021-12-17 15:08:49,332 INFO L861 garLoopResultBuilder]: At program point L945-1(lines 945 949) the Hoare annotation is: true [2021-12-17 15:08:49,332 INFO L858 garLoopResultBuilder]: For program point L942(line 942) no Hoare annotation was computed. [2021-12-17 15:08:49,333 INFO L861 garLoopResultBuilder]: At program point L941-2(lines 941 955) the Hoare annotation is: true [2021-12-17 15:08:49,333 INFO L861 garLoopResultBuilder]: At program point L937(line 937) the Hoare annotation is: true [2021-12-17 15:08:49,333 INFO L858 garLoopResultBuilder]: For program point L937-1(line 937) no Hoare annotation was computed. [2021-12-17 15:08:49,333 INFO L854 garLoopResultBuilder]: At program point L543(lines 538 546) the Hoare annotation is: (let ((.cse3 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse6 (<= ~waterLevel~0 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= 1 ~systemActive~0))) (.cse10 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 (= |timeShift_getWaterLevel_#res#1| 1) .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse2 (not (<= |old(~waterLevel~0)| 1))) (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse4 .cse5 .cse6 .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse7 (and .cse4 .cse5 .cse6 .cse3 .cse8) .cse0 .cse2 .cse9)) (or .cse7 .cse0 .cse10 .cse1) (let ((.cse11 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse5 .cse6 .cse11 .cse8) .cse7 .cse0 .cse1 (and .cse5 .cse11 (<= 1 ~pumpRunning~0)) .cse2)) (or .cse7 .cse0 .cse10 .cse9))) [2021-12-17 15:08:49,333 INFO L858 garLoopResultBuilder]: For program point L81(lines 81 87) no Hoare annotation was computed. [2021-12-17 15:08:49,333 INFO L858 garLoopResultBuilder]: For program point L77(lines 77 90) no Hoare annotation was computed. [2021-12-17 15:08:49,333 INFO L854 garLoopResultBuilder]: At program point L77-1(lines 62 94) the Hoare annotation is: (let ((.cse4 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1| 1)) (.cse5 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse13 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (not (= 0 |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1|))) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (<= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (= 1 ~systemActive~0))) (.cse12 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0)) (.cse15 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 .cse9 (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse10) .cse11) (or (and .cse4 .cse5) .cse8 .cse12 .cse9 (not (<= |old(~waterLevel~0)| 1))) (or .cse7 .cse8 .cse13 .cse12 (and .cse14 .cse15 .cse10)) (or .cse7 .cse8 (and .cse1 .cse14 .cse2 .cse3 .cse6) .cse13 (and .cse1 .cse14 .cse3 .cse10) .cse11) (or (and .cse0 .cse3 .cse15 .cse6) .cse7 .cse8 .cse12 (and .cse0 .cse15 (<= 1 ~pumpRunning~0)) .cse9))) [2021-12-17 15:08:49,333 INFO L854 garLoopResultBuilder]: At program point L775(lines 770 778) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~waterLevel~0)| 1))) (or .cse3 (and (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0) (= ~waterLevel~0 |old(~waterLevel~0)|) (<= 1 ~pumpRunning~0) (not (= 0 |timeShift_isPumpRunning_#res#1|))) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2 .cse4) (or .cse3 .cse0 .cse5 .cse1) (or .cse3 .cse0 .cse5 .cse4))) [2021-12-17 15:08:49,333 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 617 640) no Hoare annotation was computed. [2021-12-17 15:08:49,334 INFO L858 garLoopResultBuilder]: For program point L709(lines 709 717) no Hoare annotation was computed. [2021-12-17 15:08:49,334 INFO L854 garLoopResultBuilder]: At program point L69(line 69) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) (and .cse3 .cse5) .cse6) (or .cse0 (and .cse7 (<= 1 ~pumpRunning~0)) .cse1 (and .cse3 .cse7 .cse4) .cse8 .cse9) (or .cse0 (and .cse7 .cse5) .cse1 .cse2 .cse8) (or .cse10 .cse1 .cse2 (not (<= |old(~waterLevel~0)| 1)) .cse6) (or .cse0 .cse1 (and .cse10 .cse3 .cse5) .cse9 (and .cse10 .cse3 .cse4) .cse6))) [2021-12-17 15:08:49,334 INFO L858 garLoopResultBuilder]: For program point L69-1(line 69) no Hoare annotation was computed. [2021-12-17 15:08:49,334 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 722) no Hoare annotation was computed. [2021-12-17 15:08:49,334 INFO L858 garLoopResultBuilder]: For program point L474(lines 474 478) no Hoare annotation was computed. [2021-12-17 15:08:49,334 INFO L854 garLoopResultBuilder]: At program point L474-2(lines 470 481) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse1 .cse5 .cse3 .cse6))) [2021-12-17 15:08:49,334 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-12-17 15:08:49,335 INFO L858 garLoopResultBuilder]: For program point L628-1(lines 628 634) no Hoare annotation was computed. [2021-12-17 15:08:49,335 INFO L854 garLoopResultBuilder]: At program point L715(line 715) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse1 .cse5 .cse3 .cse6))) [2021-12-17 15:08:49,335 INFO L854 garLoopResultBuilder]: At program point L711(line 711) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse1 .cse5 .cse3 .cse6))) [2021-12-17 15:08:49,335 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 91) no Hoare annotation was computed. [2021-12-17 15:08:49,335 INFO L854 garLoopResultBuilder]: At program point L707(line 707) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse1 .cse5 .cse3 .cse6))) [2021-12-17 15:08:49,335 INFO L858 garLoopResultBuilder]: For program point L707-1(line 707) no Hoare annotation was computed. [2021-12-17 15:08:49,335 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2) (or .cse0 .cse1 .cse5 .cse4))) [2021-12-17 15:08:49,335 INFO L854 garLoopResultBuilder]: At program point L720(line 720) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse6 .cse3) (or .cse0 .cse2 .cse6 .cse5))) [2021-12-17 15:08:49,335 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 617 640) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (and .cse8 (= ~pumpRunning~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse6 .cse3) (or .cse0 .cse5 .cse2 .cse4 .cse7)))) [2021-12-17 15:08:49,335 INFO L854 garLoopResultBuilder]: At program point L720-1(lines 701 725) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) (and .cse3 .cse5) .cse6) (or .cse0 (and .cse7 (<= 1 ~pumpRunning~0)) .cse1 (and .cse3 .cse7 .cse4) .cse8 .cse9) (or .cse0 (and .cse7 .cse5) .cse1 .cse2 .cse8) (or .cse10 .cse1 .cse2 (not (<= |old(~waterLevel~0)| 1)) .cse6) (or .cse0 .cse1 (and .cse10 .cse3 .cse5) .cse9 (and .cse10 .cse3 .cse4) .cse6))) [2021-12-17 15:08:49,335 INFO L858 garLoopResultBuilder]: For program point L621-1(lines 620 639) no Hoare annotation was computed. [2021-12-17 15:08:49,335 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 617 640) no Hoare annotation was computed. [2021-12-17 15:08:49,336 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-12-17 15:08:49,336 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 506 514) the Hoare annotation is: true [2021-12-17 15:08:49,336 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 506 514) no Hoare annotation was computed. [2021-12-17 15:08:49,336 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 506 514) no Hoare annotation was computed. [2021-12-17 15:08:49,336 INFO L854 garLoopResultBuilder]: At program point L989(lines 985 991) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:08:49,336 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 915) no Hoare annotation was computed. [2021-12-17 15:08:49,336 INFO L854 garLoopResultBuilder]: At program point L589(lines 585 591) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:08:49,336 INFO L854 garLoopResultBuilder]: At program point L911-2(lines 903 916) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse4 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse5 .cse1 .cse2 .cse4))) [2021-12-17 15:08:49,336 INFO L858 garLoopResultBuilder]: For program point L874(lines 873 920) no Hoare annotation was computed. [2021-12-17 15:08:49,336 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 916) no Hoare annotation was computed. [2021-12-17 15:08:49,337 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:08:49,337 INFO L854 garLoopResultBuilder]: At program point L895(line 895) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse4 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse5 .cse1 .cse2 .cse4))) [2021-12-17 15:08:49,337 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:08:49,337 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:08:49,337 INFO L861 garLoopResultBuilder]: At program point L924(lines 863 928) the Hoare annotation is: true [2021-12-17 15:08:49,337 INFO L854 garLoopResultBuilder]: At program point L858(lines 853 860) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse4 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse5 .cse1 .cse2 .cse4))) [2021-12-17 15:08:49,337 INFO L858 garLoopResultBuilder]: For program point L883(lines 883 889) no Hoare annotation was computed. [2021-12-17 15:08:49,338 INFO L858 garLoopResultBuilder]: For program point L883-1(lines 883 889) no Hoare annotation was computed. [2021-12-17 15:08:49,338 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 879) no Hoare annotation was computed. [2021-12-17 15:08:49,338 INFO L861 garLoopResultBuilder]: At program point L999(lines 992 1001) the Hoare annotation is: true [2021-12-17 15:08:49,338 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:08:49,338 INFO L854 garLoopResultBuilder]: At program point L921(lines 872 922) the Hoare annotation is: false [2021-12-17 15:08:49,338 INFO L858 garLoopResultBuilder]: For program point L1012(lines 1012 1019) no Hoare annotation was computed. [2021-12-17 15:08:49,338 INFO L858 garLoopResultBuilder]: For program point L1012-2(lines 1012 1019) no Hoare annotation was computed. [2021-12-17 15:08:49,339 INFO L858 garLoopResultBuilder]: For program point L893(lines 893 899) no Hoare annotation was computed. [2021-12-17 15:08:49,339 INFO L861 garLoopResultBuilder]: At program point L1021(lines 1002 1024) the Hoare annotation is: true [2021-12-17 15:08:49,339 INFO L854 garLoopResultBuilder]: At program point L604(lines 599 607) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:08:49,339 INFO L858 garLoopResultBuilder]: For program point L893-1(lines 893 899) no Hoare annotation was computed. [2021-12-17 15:08:49,339 INFO L854 garLoopResultBuilder]: At program point L918(lines 873 920) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 1)) (.cse1 (<= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse4 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse7 .cse4 .cse6) (and .cse0 .cse7 .cse2 .cse5 .cse4))) [2021-12-17 15:08:49,339 INFO L854 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 1)) (.cse1 (<= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 (= 1 ~systemActive~0) .cse3) (and .cse0 .cse4 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse5 .cse6) (and .cse0 .cse7 .cse2 .cse4 .cse5))) [2021-12-17 15:08:49,339 INFO L854 garLoopResultBuilder]: At program point L596(lines 592 598) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-17 15:08:49,340 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 649 673) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 (= ~pumpRunning~0 0)) (or .cse6 .cse0 .cse1 .cse4 .cse7) (or .cse6 .cse0 .cse4 .cse5 .cse7))) [2021-12-17 15:08:49,340 INFO L854 garLoopResultBuilder]: At program point L830(lines 815 833) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse14 (<= ~waterLevel~0 1))) (let ((.cse10 (not .cse14)) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse12 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse11 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse14 .cse13 .cse4)) (.cse1 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|)) (.cse2 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|)) (.cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0)) (.cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or .cse10 .cse0 .cse11 .cse12) (or .cse10 .cse0 .cse9 .cse12) (or .cse0 .cse11 .cse6 .cse7 .cse8 (and .cse1 .cse2 .cse3 .cse13 .cse5))))) [2021-12-17 15:08:49,340 INFO L854 garLoopResultBuilder]: At program point L731(lines 726 733) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 1))) (let ((.cse0 (not .cse9)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse1 .cse2 .cse5 .cse6) (let ((.cse7 (= |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~7#1| ~methaneLevelCritical~0)) (.cse8 (<= 1 ~pumpRunning~0))) (or .cse1 .cse5 .cse6 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~4#1|) .cse7 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) .cse8 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) .cse4 (and .cse7 .cse9 .cse8)))))) [2021-12-17 15:08:49,340 INFO L858 garLoopResultBuilder]: For program point L824(lines 824 828) no Hoare annotation was computed. [2021-12-17 15:08:49,340 INFO L854 garLoopResultBuilder]: At program point L663(line 663) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 1))) (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse6 (not .cse8)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse3) (or .cse6 .cse0 .cse5 .cse7) (or .cse6 .cse0 .cse4 .cse7)))) [2021-12-17 15:08:49,341 INFO L858 garLoopResultBuilder]: For program point L824-2(lines 824 828) no Hoare annotation was computed. [2021-12-17 15:08:49,341 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 665) no Hoare annotation was computed. [2021-12-17 15:08:49,341 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 670) no Hoare annotation was computed. [2021-12-17 15:08:49,341 INFO L854 garLoopResultBuilder]: At program point L556(lines 547 560) the Hoare annotation is: (let ((.cse6 (<= ~waterLevel~0 1))) (let ((.cse4 (not (<= ~waterLevel~0 2))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse3 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse9 (not .cse6)) (.cse0 (not (= 1 ~systemActive~0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|)))) (and (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 (and .cse1 .cse2) .cse3 .cse4 .cse5 (and .cse6 .cse1))) (let ((.cse7 (= ~pumpRunning~0 0))) (or .cse0 .cse4 .cse5 (and .cse7 .cse2) (and .cse6 .cse7) .cse8)) (or .cse9 .cse0 .cse3 .cse10) (or .cse9 .cse0 .cse8 .cse10)))) [2021-12-17 15:08:49,341 INFO L854 garLoopResultBuilder]: At program point L668(line 668) the Hoare annotation is: (let ((.cse4 (not (<= ~waterLevel~0 1))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6 .cse7) (or .cse4 .cse0 .cse6 .cse3 .cse7) (or .cse0 .cse5 .cse1 .cse2))) [2021-12-17 15:08:49,341 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 649 673) no Hoare annotation was computed. [2021-12-17 15:08:49,341 INFO L858 garLoopResultBuilder]: For program point L668-1(lines 649 673) no Hoare annotation was computed. [2021-12-17 15:08:49,342 INFO L858 garLoopResultBuilder]: For program point L551(lines 551 557) no Hoare annotation was computed. [2021-12-17 15:08:49,342 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 747) no Hoare annotation was computed. [2021-12-17 15:08:49,342 INFO L854 garLoopResultBuilder]: At program point L739(line 739) the Hoare annotation is: (let ((.cse14 (<= ~waterLevel~0 1)) (.cse4 (= ~pumpRunning~0 0))) (let ((.cse0 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|)) (.cse1 (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~4#1|)) (.cse2 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|)) (.cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0)) (.cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse7 (not (<= ~waterLevel~0 2))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (and .cse14 .cse4)) (.cse11 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse12 (not .cse14)) (.cse6 (not (= 1 ~systemActive~0))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse13 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9 .cse10) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5) .cse6 .cse11 .cse7 .cse8 .cse9) (or .cse12 .cse6 .cse11 .cse13) (or .cse12 .cse6 .cse10 .cse13)))) [2021-12-17 15:08:49,342 INFO L854 garLoopResultBuilder]: At program point L741-2(lines 734 750) the Hoare annotation is: (let ((.cse14 (<= ~waterLevel~0 1))) (let ((.cse0 (not .cse14)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|)) (.cse8 (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~4#1|)) (.cse10 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|)) (.cse12 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0)) (.cse13 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (let ((.cse9 (= |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~7#1| ~methaneLevelCritical~0)) (.cse11 (<= 1 ~pumpRunning~0))) (or .cse1 .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) .cse4 (and .cse9 .cse14 .cse11))) (let ((.cse15 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~7#1|))) (or .cse1 .cse2 .cse5 .cse6 (and .cse7 .cse8 .cse10 .cse12 .cse15 .cse16 .cse13) (and .cse14 .cse15 .cse16)))))) [2021-12-17 15:08:49,342 INFO L858 garLoopResultBuilder]: For program point L739-1(line 739) no Hoare annotation was computed. [2021-12-17 15:08:49,342 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 482 493) no Hoare annotation was computed. [2021-12-17 15:08:49,343 INFO L858 garLoopResultBuilder]: For program point L486-1(lines 482 493) no Hoare annotation was computed. [2021-12-17 15:08:49,343 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 482 493) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (<= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse4 .cse6) (or .cse1 .cse2 .cse4 .cse6 .cse7) (or .cse5 .cse3 .cse4 (not (= ~systemActive~0 1)) .cse7))) [2021-12-17 15:08:49,343 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 759 769) the Hoare annotation is: true [2021-12-17 15:08:49,343 INFO L861 garLoopResultBuilder]: At program point L764(line 764) the Hoare annotation is: true [2021-12-17 15:08:49,343 INFO L858 garLoopResultBuilder]: For program point L764-1(line 764) no Hoare annotation was computed. [2021-12-17 15:08:49,343 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 759 769) no Hoare annotation was computed. [2021-12-17 15:08:49,343 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 759 769) no Hoare annotation was computed. [2021-12-17 15:08:49,346 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:08:49,348 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:08:49,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:08:49 BoogieIcfgContainer [2021-12-17 15:08:49,377 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:08:49,378 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:08:49,378 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:08:49,378 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:08:49,379 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:08:33" (3/4) ... [2021-12-17 15:08:49,381 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:08:49,386 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-17 15:08:49,386 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-17 15:08:49,386 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:08:49,386 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:08:49,387 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:08:49,387 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-17 15:08:49,387 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:08:49,387 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:08:49,387 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-17 15:08:49,387 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-17 15:08:49,394 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-12-17 15:08:49,395 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:08:49,395 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:08:49,396 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:08:49,396 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:08:49,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:08:49,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:08:49,415 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:08:49,416 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || (waterLevel <= 1 && pumpRunning == 0)) || (waterLevel <= 1 && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && 1 <= pumpRunning)) || !(1 == systemActive)) || ((waterLevel <= 1 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && ((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning))) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0))) && ((((waterLevel <= \old(waterLevel) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning)))) && (((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:08:49,417 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((tmp == 0 && waterLevel <= \old(waterLevel)) && !(0 == \old(pumpRunning))) && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1) && pumpRunning == 0) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((tmp == 0 && waterLevel <= \old(waterLevel)) && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (((((tmp___0 <= 1 && \result <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 1))) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0)) || ((!(0 == tmp) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)))) && (((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((((waterLevel <= \old(waterLevel) && !(0 == tmp)) && !(0 == \old(pumpRunning))) && waterLevel <= 1) && pumpRunning == 0)) || !(methaneLevelCritical == systemActive)) || (((waterLevel <= \old(waterLevel) && !(0 == tmp)) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((((((((tmp == 0 && waterLevel <= 1) && waterLevel == \old(waterLevel)) && pumpRunning == 0) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((tmp == 0 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(methaneLevelCritical == 0)) [2021-12-17 15:08:49,417 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || \result == 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((((!(1 == systemActive) || \result <= 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 1))) && (((((((((waterLevel <= \old(waterLevel) && tmp == 0) && waterLevel <= 1) && \result <= 1) && pumpRunning == \old(pumpRunning)) || !(\old(waterLevel) <= 2)) || ((((waterLevel <= \old(waterLevel) && tmp == 0) && waterLevel <= 1) && \result <= 1) && pumpRunning == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0))) && ((((((((tmp == 0 && waterLevel <= 1) && waterLevel == \old(waterLevel)) && pumpRunning == 0) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((tmp == 0 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(methaneLevelCritical == 0))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:08:49,418 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(1 <= \old(pumpRunning))) && (((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || ((((((1 <= tmp___0 && 1 <= tmp) && tmp == methaneLevelCritical) && 1 <= \result) && 1 <= pumpRunning) && tmp == 0) && \result == 0)) || !(methaneLevelCritical == 0)) || ((tmp == methaneLevelCritical && waterLevel <= 1) && 1 <= pumpRunning))) && (((((!(1 == systemActive) || !(methaneLevelCritical == systemActive)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || ((((((1 <= tmp___0 && 1 <= tmp) && 1 <= \result) && tmp == 0) && pumpRunning == \old(pumpRunning)) && methaneLevelCritical <= tmp) && \result == 0)) || ((waterLevel <= 1 && pumpRunning == \old(pumpRunning)) && methaneLevelCritical <= tmp)) [2021-12-17 15:08:49,418 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(1 <= \old(pumpRunning))) && (((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(methaneLevelCritical == systemActive)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0))) && (((((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || ((((((1 <= tmp___0 && 1 <= tmp) && tmp == methaneLevelCritical) && 1 <= \result) && 1 <= pumpRunning) && tmp == 0) && \result == 0)) || !(methaneLevelCritical == 0)) || ((tmp == methaneLevelCritical && waterLevel <= 1) && 1 <= pumpRunning)) [2021-12-17 15:08:49,418 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(pumpRunning)))) && ((((!(waterLevel <= 1) || !(1 == systemActive)) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(methaneLevelCritical == systemActive)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:08:49,418 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || (pumpRunning == \old(pumpRunning) && \result == 0)) || !(methaneLevelCritical == systemActive)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel <= 1 && pumpRunning == \old(pumpRunning))) && (((((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \result == 0)) || (waterLevel <= 1 && pumpRunning == 0)) || !(methaneLevelCritical == 0))) && (((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(1 <= \old(pumpRunning)))) && (((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:08:49,418 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(pumpRunning)))) && ((((!(waterLevel <= 1) || !(1 == systemActive)) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(methaneLevelCritical == systemActive)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) [2021-12-17 15:08:49,419 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 1)) && ((((!(\old(waterLevel) <= 2) || (((tmp == 0 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && !(0 == \result))) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:08:49,419 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || ((((1 <= tmp___0 && 1 <= \result) && tmp == 0) && pumpRunning == 0) && \result == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || ((waterLevel <= 1 && pumpRunning == \old(pumpRunning)) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) && (((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(1 <= \old(pumpRunning)))) && (((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((((!(1 == systemActive) || !(methaneLevelCritical == systemActive)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || ((waterLevel <= 1 && pumpRunning == \old(pumpRunning)) && pumpRunning == 0)) || ((((1 <= tmp___0 && 1 <= \result) && tmp == 0) && pumpRunning == \old(pumpRunning)) && \result == 0)) [2021-12-17 15:08:49,419 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:08:49,458 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:08:49,458 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:08:49,459 INFO L158 Benchmark]: Toolchain (without parser) took 16642.65ms. Allocated memory was 86.0MB in the beginning and 182.5MB in the end (delta: 96.5MB). Free memory was 51.5MB in the beginning and 126.0MB in the end (delta: -74.5MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2021-12-17 15:08:49,459 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 56.7MB in the beginning and 56.7MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:08:49,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.08ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 51.2MB in the beginning and 73.9MB in the end (delta: -22.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-12-17 15:08:49,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.54ms. Allocated memory is still 104.9MB. Free memory was 73.9MB in the beginning and 71.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:08:49,460 INFO L158 Benchmark]: Boogie Preprocessor took 23.67ms. Allocated memory is still 104.9MB. Free memory was 71.1MB in the beginning and 69.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:08:49,460 INFO L158 Benchmark]: RCFGBuilder took 470.35ms. Allocated memory is still 104.9MB. Free memory was 69.4MB in the beginning and 78.9MB in the end (delta: -9.5MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-12-17 15:08:49,461 INFO L158 Benchmark]: TraceAbstraction took 15524.98ms. Allocated memory was 104.9MB in the beginning and 182.5MB in the end (delta: 77.6MB). Free memory was 78.1MB in the beginning and 133.4MB in the end (delta: -55.3MB). Peak memory consumption was 112.4MB. Max. memory is 16.1GB. [2021-12-17 15:08:49,461 INFO L158 Benchmark]: Witness Printer took 80.28ms. Allocated memory is still 182.5MB. Free memory was 133.4MB in the beginning and 126.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 15:08:49,463 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 86.0MB. Free memory was 56.7MB in the beginning and 56.7MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.08ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 51.2MB in the beginning and 73.9MB in the end (delta: -22.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.54ms. Allocated memory is still 104.9MB. Free memory was 73.9MB in the beginning and 71.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.67ms. Allocated memory is still 104.9MB. Free memory was 71.1MB in the beginning and 69.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 470.35ms. Allocated memory is still 104.9MB. Free memory was 69.4MB in the beginning and 78.9MB in the end (delta: -9.5MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * TraceAbstraction took 15524.98ms. Allocated memory was 104.9MB in the beginning and 182.5MB in the end (delta: 77.6MB). Free memory was 78.1MB in the beginning and 133.4MB in the end (delta: -55.3MB). Peak memory consumption was 112.4MB. Max. memory is 16.1GB. * Witness Printer took 80.28ms. Allocated memory is still 182.5MB. Free memory was 133.4MB in the beginning and 126.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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 11 procedures, 111 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.4s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3846 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3808 mSDsluCounter, 5114 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3512 mSDsCounter, 1887 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4702 IncrementalHoareTripleChecker+Invalid, 6589 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1887 mSolverCounterUnsat, 1602 mSDtfsCounter, 4702 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 630 GetRequests, 417 SyntacticMatches, 6 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2088 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=906occurred in iteration=9, InterpolantAutomatonStates: 182, 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, 586 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 2594 PreInvPairs, 2945 NumberOfFragments, 3231 HoareAnnotationTreeSize, 2594 FomulaSimplifications, 2445 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 51 FomulaSimplificationsInter, 38506 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 827 NumberOfCodeBlocks, 827 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 919 ConstructedInterpolants, 0 QuantifiedInterpolants, 1920 SizeOfPredicates, 7 NumberOfNonLiveVariables, 885 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 106/135 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: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || (pumpRunning == \old(pumpRunning) && \result == 0)) || !(methaneLevelCritical == systemActive)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel <= 1 && pumpRunning == \old(pumpRunning))) && (((((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \result == 0)) || (waterLevel <= 1 && pumpRunning == 0)) || !(methaneLevelCritical == 0))) && (((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(1 <= \old(pumpRunning)))) && (((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || \result == 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((((!(1 == systemActive) || \result <= 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 1))) && (((((((((waterLevel <= \old(waterLevel) && tmp == 0) && waterLevel <= 1) && \result <= 1) && pumpRunning == \old(pumpRunning)) || !(\old(waterLevel) <= 2)) || ((((waterLevel <= \old(waterLevel) && tmp == 0) && waterLevel <= 1) && \result <= 1) && pumpRunning == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0))) && ((((((((tmp == 0 && waterLevel <= 1) && waterLevel == \old(waterLevel)) && pumpRunning == 0) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((tmp == 0 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(methaneLevelCritical == 0))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(pumpRunning)))) && ((((!(waterLevel <= 1) || !(1 == systemActive)) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(methaneLevelCritical == systemActive)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || (waterLevel <= 1 && pumpRunning == 0)) || (waterLevel <= 1 && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && 1 <= pumpRunning)) || !(1 == systemActive)) || ((waterLevel <= 1 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && ((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning))) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0))) && ((((waterLevel <= \old(waterLevel) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning)))) && (((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || ((((1 <= tmp___0 && 1 <= \result) && tmp == 0) && pumpRunning == 0) && \result == 0)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || ((waterLevel <= 1 && pumpRunning == \old(pumpRunning)) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) && (((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(1 <= \old(pumpRunning)))) && (((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((((!(1 == systemActive) || !(methaneLevelCritical == systemActive)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || ((waterLevel <= 1 && pumpRunning == \old(pumpRunning)) && pumpRunning == 0)) || ((((1 <= tmp___0 && 1 <= \result) && tmp == 0) && pumpRunning == \old(pumpRunning)) && \result == 0)) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && 1 <= pumpRunning) && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && waterLevel <= 2) && systemActive == 1) && pumpRunning == 0)) || ((((splverifierCounter == 0 && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && pumpRunning == 0)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == 1) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((((((((((((((tmp == 0 && waterLevel <= \old(waterLevel)) && !(0 == \old(pumpRunning))) && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1) && pumpRunning == 0) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((tmp == 0 && waterLevel <= \old(waterLevel)) && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (((((tmp___0 <= 1 && \result <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 1))) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0)) || ((!(0 == tmp) && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)))) && (((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((((waterLevel <= \old(waterLevel) && !(0 == tmp)) && !(0 == \old(pumpRunning))) && waterLevel <= 1) && pumpRunning == 0)) || !(methaneLevelCritical == systemActive)) || (((waterLevel <= \old(waterLevel) && !(0 == tmp)) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((((((((tmp == 0 && waterLevel <= 1) && waterLevel == \old(waterLevel)) && pumpRunning == 0) || !(\old(waterLevel) <= 2)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((tmp == 0 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: (((((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(1 <= \old(pumpRunning))) && (((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || ((((((1 <= tmp___0 && 1 <= tmp) && tmp == methaneLevelCritical) && 1 <= \result) && 1 <= pumpRunning) && tmp == 0) && \result == 0)) || !(methaneLevelCritical == 0)) || ((tmp == methaneLevelCritical && waterLevel <= 1) && 1 <= pumpRunning))) && (((((!(1 == systemActive) || !(methaneLevelCritical == systemActive)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || ((((((1 <= tmp___0 && 1 <= tmp) && 1 <= \result) && tmp == 0) && pumpRunning == \old(pumpRunning)) && methaneLevelCritical <= tmp) && \result == 0)) || ((waterLevel <= 1 && pumpRunning == \old(pumpRunning)) && methaneLevelCritical <= tmp)) - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: (((((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(1 <= \old(pumpRunning))) && (((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(methaneLevelCritical == systemActive)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0))) && (((((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || ((((((1 <= tmp___0 && 1 <= tmp) && tmp == methaneLevelCritical) && 1 <= \result) && 1 <= pumpRunning) && tmp == 0) && \result == 0)) || !(methaneLevelCritical == 0)) || ((tmp == methaneLevelCritical && waterLevel <= 1) && 1 <= pumpRunning)) - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((waterLevel <= \old(waterLevel) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && waterLevel <= 1) && 1 <= pumpRunning) && methaneLevelCritical == 1) && systemActive == 1) || ((((splverifierCounter == 0 && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && pumpRunning == 0)) || ((((splverifierCounter == 0 && waterLevel <= 1) && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0)) || ((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == 1) - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((((!(waterLevel <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || pumpRunning == \old(pumpRunning)) || !(1 <= \old(pumpRunning)))) && ((((!(waterLevel <= 1) || !(1 == systemActive)) || pumpRunning == \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(1 == systemActive) || !(methaneLevelCritical == systemActive)) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 1)) && ((((!(\old(waterLevel) <= 2) || (((tmp == 0 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && !(0 == \result))) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0))) && (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-12-17 15:08:49,528 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