./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product54.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 88f09ec5af0f641c9edfe2f7047937341e46c7f8baabeed0fd38f069cd3b5278 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 05:02:32,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 05:02:32,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 05:02:32,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 05:02:32,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 05:02:32,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 05:02:32,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 05:02:32,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 05:02:32,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 05:02:32,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 05:02:32,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 05:02:32,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 05:02:32,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 05:02:32,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 05:02:32,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 05:02:32,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 05:02:32,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 05:02:32,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 05:02:32,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 05:02:32,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 05:02:32,277 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 05:02:32,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 05:02:32,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 05:02:32,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 05:02:32,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 05:02:32,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 05:02:32,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 05:02:32,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 05:02:32,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 05:02:32,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 05:02:32,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 05:02:32,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 05:02:32,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 05:02:32,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 05:02:32,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 05:02:32,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 05:02:32,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 05:02:32,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 05:02:32,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 05:02:32,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 05:02:32,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 05:02:32,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 05:02:32,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 05:02:32,317 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 05:02:32,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 05:02:32,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 05:02:32,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 05:02:32,318 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 05:02:32,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 05:02:32,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 05:02:32,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 05:02:32,319 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 05:02:32,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 05:02:32,320 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 05:02:32,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 05:02:32,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 05:02:32,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 05:02:32,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 05:02:32,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 05:02:32,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 05:02:32,321 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 05:02:32,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 05:02:32,321 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 05:02:32,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 05:02:32,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 05:02:32,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 05:02:32,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 05:02:32,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:02:32,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 05:02:32,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 05:02:32,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 05:02:32,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 05:02:32,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 05:02:32,323 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 05:02:32,323 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 05:02:32,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 05:02:32,323 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88f09ec5af0f641c9edfe2f7047937341e46c7f8baabeed0fd38f069cd3b5278 [2022-07-21 05:02:32,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 05:02:32,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 05:02:32,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 05:02:32,614 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 05:02:32,614 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 05:02:32,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c [2022-07-21 05:02:32,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39101cb99/b633857926b54bb9b76625057f26f403/FLAGcf7985780 [2022-07-21 05:02:33,137 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 05:02:33,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c [2022-07-21 05:02:33,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39101cb99/b633857926b54bb9b76625057f26f403/FLAGcf7985780 [2022-07-21 05:02:33,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39101cb99/b633857926b54bb9b76625057f26f403 [2022-07-21 05:02:33,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 05:02:33,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 05:02:33,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 05:02:33,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 05:02:33,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 05:02:33,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:02:33" (1/1) ... [2022-07-21 05:02:33,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c34c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:33, skipping insertion in model container [2022-07-21 05:02:33,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:02:33" (1/1) ... [2022-07-21 05:02:33,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 05:02:33,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 05:02:33,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c[3971,3984] [2022-07-21 05:02:33,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:02:33,924 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 05:02:33,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c[3971,3984] [2022-07-21 05:02:34,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:02:34,102 INFO L208 MainTranslator]: Completed translation [2022-07-21 05:02:34,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:34 WrapperNode [2022-07-21 05:02:34,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 05:02:34,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 05:02:34,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 05:02:34,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 05:02:34,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:34" (1/1) ... [2022-07-21 05:02:34,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:34" (1/1) ... [2022-07-21 05:02:34,208 INFO L137 Inliner]: procedures = 59, calls = 162, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 289 [2022-07-21 05:02:34,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 05:02:34,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 05:02:34,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 05:02:34,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 05:02:34,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:34" (1/1) ... [2022-07-21 05:02:34,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:34" (1/1) ... [2022-07-21 05:02:34,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:34" (1/1) ... [2022-07-21 05:02:34,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:34" (1/1) ... [2022-07-21 05:02:34,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:34" (1/1) ... [2022-07-21 05:02:34,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:34" (1/1) ... [2022-07-21 05:02:34,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:34" (1/1) ... [2022-07-21 05:02:34,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 05:02:34,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 05:02:34,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 05:02:34,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 05:02:34,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:34" (1/1) ... [2022-07-21 05:02:34,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:02:34,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:02:34,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 05:02:34,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 05:02:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 05:02:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-21 05:02:34,360 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-21 05:02:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-21 05:02:34,360 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-21 05:02:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-21 05:02:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-21 05:02:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-21 05:02:34,362 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-21 05:02:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-21 05:02:34,362 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-21 05:02:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-21 05:02:34,362 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-21 05:02:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-21 05:02:34,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-21 05:02:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-21 05:02:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-21 05:02:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 05:02:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-21 05:02:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-21 05:02:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 05:02:34,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 05:02:34,479 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 05:02:34,482 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 05:02:34,795 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 05:02:34,800 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 05:02:34,802 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-21 05:02:34,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:02:34 BoogieIcfgContainer [2022-07-21 05:02:34,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 05:02:34,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 05:02:34,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 05:02:34,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 05:02:34,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:02:33" (1/3) ... [2022-07-21 05:02:34,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1fb79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:02:34, skipping insertion in model container [2022-07-21 05:02:34,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:34" (2/3) ... [2022-07-21 05:02:34,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1fb79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:02:34, skipping insertion in model container [2022-07-21 05:02:34,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:02:34" (3/3) ... [2022-07-21 05:02:34,809 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2022-07-21 05:02:34,820 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 05:02:34,821 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 05:02:34,869 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 05:02:34,874 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5a3e5462, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1fdbe1fe [2022-07-21 05:02:34,874 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 05:02:34,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 89 states have internal predecessors, (108), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-07-21 05:02:34,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 05:02:34,884 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:34,885 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:34,885 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:34,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:34,888 INFO L85 PathProgramCache]: Analyzing trace with hash -17930075, now seen corresponding path program 1 times [2022-07-21 05:02:34,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:34,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039000233] [2022-07-21 05:02:34,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:34,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 05:02:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 05:02:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:35,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:35,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039000233] [2022-07-21 05:02:35,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039000233] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:35,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:35,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 05:02:35,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020870269] [2022-07-21 05:02:35,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:35,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 05:02:35,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:35,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 05:02:35,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 05:02:35,131 INFO L87 Difference]: Start difference. First operand has 106 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 89 states have internal predecessors, (108), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 05:02:35,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:35,175 INFO L93 Difference]: Finished difference Result 203 states and 274 transitions. [2022-07-21 05:02:35,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 05:02:35,176 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-21 05:02:35,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:35,185 INFO L225 Difference]: With dead ends: 203 [2022-07-21 05:02:35,185 INFO L226 Difference]: Without dead ends: 97 [2022-07-21 05:02:35,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 05:02:35,192 INFO L413 NwaCegarLoop]: 134 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, 134 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:35,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:02:35,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-07-21 05:02:35,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-07-21 05:02:35,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 72 states have (on average 1.3055555555555556) internal successors, (94), 81 states have internal predecessors, (94), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-21 05:02:35,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 125 transitions. [2022-07-21 05:02:35,232 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 125 transitions. Word has length 32 [2022-07-21 05:02:35,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:35,233 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 125 transitions. [2022-07-21 05:02:35,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 05:02:35,234 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2022-07-21 05:02:35,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-21 05:02:35,239 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:35,239 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:35,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 05:02:35,240 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:35,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:35,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1323382524, now seen corresponding path program 1 times [2022-07-21 05:02:35,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:35,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623668213] [2022-07-21 05:02:35,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:35,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 05:02:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 05:02:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,320 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:35,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:35,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623668213] [2022-07-21 05:02:35,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623668213] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:35,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:35,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 05:02:35,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193863169] [2022-07-21 05:02:35,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:35,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:02:35,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:35,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:02:35,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:02:35,330 INFO L87 Difference]: Start difference. First operand 97 states and 125 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 05:02:35,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:35,354 INFO L93 Difference]: Finished difference Result 158 states and 204 transitions. [2022-07-21 05:02:35,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:02:35,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-07-21 05:02:35,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:35,355 INFO L225 Difference]: With dead ends: 158 [2022-07-21 05:02:35,356 INFO L226 Difference]: Without dead ends: 88 [2022-07-21 05:02:35,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:02:35,357 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 13 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:35,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 207 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:02:35,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-07-21 05:02:35,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-07-21 05:02:35,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 75 states have internal predecessors, (87), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-21 05:02:35,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2022-07-21 05:02:35,368 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 113 transitions. Word has length 33 [2022-07-21 05:02:35,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:35,368 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 113 transitions. [2022-07-21 05:02:35,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 05:02:35,369 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2022-07-21 05:02:35,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-21 05:02:35,370 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:35,370 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:35,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 05:02:35,370 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:35,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:35,371 INFO L85 PathProgramCache]: Analyzing trace with hash 951919944, now seen corresponding path program 1 times [2022-07-21 05:02:35,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:35,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309171633] [2022-07-21 05:02:35,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:35,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:02:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 05:02:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:35,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:35,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309171633] [2022-07-21 05:02:35,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309171633] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:35,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:35,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 05:02:35,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529880650] [2022-07-21 05:02:35,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:35,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:02:35,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:35,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:02:35,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:02:35,446 INFO L87 Difference]: Start difference. First operand 88 states and 113 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:02:35,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:35,469 INFO L93 Difference]: Finished difference Result 168 states and 219 transitions. [2022-07-21 05:02:35,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:02:35,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-07-21 05:02:35,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:35,471 INFO L225 Difference]: With dead ends: 168 [2022-07-21 05:02:35,471 INFO L226 Difference]: Without dead ends: 88 [2022-07-21 05:02:35,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:02:35,472 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 103 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 111 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 [2022-07-21 05:02:35,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 111 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:02:35,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-07-21 05:02:35,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-07-21 05:02:35,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 66 states have (on average 1.303030303030303) internal successors, (86), 75 states have internal predecessors, (86), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-21 05:02:35,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 112 transitions. [2022-07-21 05:02:35,479 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 112 transitions. Word has length 38 [2022-07-21 05:02:35,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:35,480 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 112 transitions. [2022-07-21 05:02:35,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-21 05:02:35,481 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2022-07-21 05:02:35,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-21 05:02:35,482 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:35,482 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:35,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 05:02:35,482 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:35,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:35,483 INFO L85 PathProgramCache]: Analyzing trace with hash 43096146, now seen corresponding path program 1 times [2022-07-21 05:02:35,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:35,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730708792] [2022-07-21 05:02:35,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:35,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:02:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 05:02:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 05:02:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:35,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:35,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730708792] [2022-07-21 05:02:35,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730708792] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:35,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:35,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 05:02:35,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582147520] [2022-07-21 05:02:35,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:35,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 05:02:35,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:35,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 05:02:35,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 05:02:35,557 INFO L87 Difference]: Start difference. First operand 88 states and 112 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-21 05:02:35,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:35,693 INFO L93 Difference]: Finished difference Result 252 states and 327 transitions. [2022-07-21 05:02:35,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 05:02:35,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2022-07-21 05:02:35,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:35,698 INFO L225 Difference]: With dead ends: 252 [2022-07-21 05:02:35,698 INFO L226 Difference]: Without dead ends: 172 [2022-07-21 05:02:35,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 05:02:35,708 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 158 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:35,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 242 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:02:35,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-07-21 05:02:35,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 166. [2022-07-21 05:02:35,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 125 states have (on average 1.28) internal successors, (160), 133 states have internal predecessors, (160), 20 states have call successors, (20), 15 states have call predecessors, (20), 20 states have return successors, (31), 22 states have call predecessors, (31), 20 states have call successors, (31) [2022-07-21 05:02:35,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 211 transitions. [2022-07-21 05:02:35,734 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 211 transitions. Word has length 47 [2022-07-21 05:02:35,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:35,735 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 211 transitions. [2022-07-21 05:02:35,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-21 05:02:35,735 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 211 transitions. [2022-07-21 05:02:35,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-21 05:02:35,737 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:35,738 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:35,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 05:02:35,738 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:35,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:35,739 INFO L85 PathProgramCache]: Analyzing trace with hash 934824757, now seen corresponding path program 1 times [2022-07-21 05:02:35,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:35,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770811654] [2022-07-21 05:02:35,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:35,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:02:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 05:02:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-21 05:02:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:35,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:35,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770811654] [2022-07-21 05:02:35,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770811654] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:35,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:35,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 05:02:35,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103699946] [2022-07-21 05:02:35,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:35,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 05:02:35,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:35,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 05:02:35,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 05:02:35,820 INFO L87 Difference]: Start difference. First operand 166 states and 211 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-21 05:02:35,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:35,930 INFO L93 Difference]: Finished difference Result 332 states and 430 transitions. [2022-07-21 05:02:35,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 05:02:35,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2022-07-21 05:02:35,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:35,932 INFO L225 Difference]: With dead ends: 332 [2022-07-21 05:02:35,932 INFO L226 Difference]: Without dead ends: 174 [2022-07-21 05:02:35,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-21 05:02:35,933 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 75 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:35,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 453 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:02:35,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-07-21 05:02:35,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 169. [2022-07-21 05:02:35,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 128 states have (on average 1.2734375) internal successors, (163), 136 states have internal predecessors, (163), 20 states have call successors, (20), 15 states have call predecessors, (20), 20 states have return successors, (31), 22 states have call predecessors, (31), 20 states have call successors, (31) [2022-07-21 05:02:35,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 214 transitions. [2022-07-21 05:02:35,943 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 214 transitions. Word has length 57 [2022-07-21 05:02:35,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:35,944 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 214 transitions. [2022-07-21 05:02:35,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-21 05:02:35,944 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 214 transitions. [2022-07-21 05:02:35,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-21 05:02:35,945 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:35,945 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:35,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 05:02:35,945 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:35,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:35,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1357526583, now seen corresponding path program 1 times [2022-07-21 05:02:35,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:35,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861209177] [2022-07-21 05:02:35,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:35,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:02:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 05:02:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-21 05:02:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:35,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:35,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:35,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861209177] [2022-07-21 05:02:35,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861209177] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:35,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:35,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 05:02:35,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670346388] [2022-07-21 05:02:35,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:35,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 05:02:35,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:35,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 05:02:35,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 05:02:35,998 INFO L87 Difference]: Start difference. First operand 169 states and 214 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-21 05:02:36,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:36,077 INFO L93 Difference]: Finished difference Result 340 states and 444 transitions. [2022-07-21 05:02:36,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 05:02:36,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2022-07-21 05:02:36,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:36,079 INFO L225 Difference]: With dead ends: 340 [2022-07-21 05:02:36,079 INFO L226 Difference]: Without dead ends: 179 [2022-07-21 05:02:36,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:02:36,080 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 76 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:36,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 355 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:02:36,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-07-21 05:02:36,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 171. [2022-07-21 05:02:36,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 130 states have (on average 1.2692307692307692) internal successors, (165), 138 states have internal predecessors, (165), 20 states have call successors, (20), 15 states have call predecessors, (20), 20 states have return successors, (31), 22 states have call predecessors, (31), 20 states have call successors, (31) [2022-07-21 05:02:36,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 216 transitions. [2022-07-21 05:02:36,089 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 216 transitions. Word has length 57 [2022-07-21 05:02:36,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:36,089 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 216 transitions. [2022-07-21 05:02:36,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-21 05:02:36,089 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 216 transitions. [2022-07-21 05:02:36,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-21 05:02:36,090 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:36,090 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:36,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 05:02:36,090 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:36,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:36,091 INFO L85 PathProgramCache]: Analyzing trace with hash -447911751, now seen corresponding path program 1 times [2022-07-21 05:02:36,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:36,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818003890] [2022-07-21 05:02:36,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:36,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:36,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:02:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:36,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 05:02:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:36,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:36,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-21 05:02:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:36,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:36,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:36,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818003890] [2022-07-21 05:02:36,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818003890] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:36,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:36,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 05:02:36,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569985006] [2022-07-21 05:02:36,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:36,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 05:02:36,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:36,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 05:02:36,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 05:02:36,170 INFO L87 Difference]: Start difference. First operand 171 states and 216 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-21 05:02:36,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:36,352 INFO L93 Difference]: Finished difference Result 484 states and 633 transitions. [2022-07-21 05:02:36,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 05:02:36,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 57 [2022-07-21 05:02:36,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:36,354 INFO L225 Difference]: With dead ends: 484 [2022-07-21 05:02:36,355 INFO L226 Difference]: Without dead ends: 321 [2022-07-21 05:02:36,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:02:36,356 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 233 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:36,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 367 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:02:36,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-07-21 05:02:36,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 313. [2022-07-21 05:02:36,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 236 states have (on average 1.2415254237288136) internal successors, (293), 248 states have internal predecessors, (293), 40 states have call successors, (40), 33 states have call predecessors, (40), 36 states have return successors, (66), 41 states have call predecessors, (66), 40 states have call successors, (66) [2022-07-21 05:02:36,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 399 transitions. [2022-07-21 05:02:36,372 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 399 transitions. Word has length 57 [2022-07-21 05:02:36,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:36,373 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 399 transitions. [2022-07-21 05:02:36,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-21 05:02:36,373 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 399 transitions. [2022-07-21 05:02:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-07-21 05:02:36,374 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:36,374 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:36,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 05:02:36,374 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:36,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:36,375 INFO L85 PathProgramCache]: Analyzing trace with hash 16145041, now seen corresponding path program 1 times [2022-07-21 05:02:36,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:36,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640325860] [2022-07-21 05:02:36,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:36,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:36,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 05:02:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:36,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 05:02:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:36,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:36,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:02:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:36,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 05:02:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:36,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-21 05:02:36,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:36,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640325860] [2022-07-21 05:02:36,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640325860] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:36,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:36,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 05:02:36,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718553352] [2022-07-21 05:02:36,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:36,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 05:02:36,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:36,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 05:02:36,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:02:36,440 INFO L87 Difference]: Start difference. First operand 313 states and 399 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 05:02:36,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:36,608 INFO L93 Difference]: Finished difference Result 634 states and 821 transitions. [2022-07-21 05:02:36,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 05:02:36,609 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2022-07-21 05:02:36,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:36,611 INFO L225 Difference]: With dead ends: 634 [2022-07-21 05:02:36,611 INFO L226 Difference]: Without dead ends: 329 [2022-07-21 05:02:36,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-07-21 05:02:36,612 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 125 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:36,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 498 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:02:36,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-07-21 05:02:36,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 309. [2022-07-21 05:02:36,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 232 states have (on average 1.2112068965517242) internal successors, (281), 244 states have internal predecessors, (281), 40 states have call successors, (40), 33 states have call predecessors, (40), 36 states have return successors, (66), 41 states have call predecessors, (66), 40 states have call successors, (66) [2022-07-21 05:02:36,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 387 transitions. [2022-07-21 05:02:36,627 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 387 transitions. Word has length 59 [2022-07-21 05:02:36,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:36,627 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 387 transitions. [2022-07-21 05:02:36,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 05:02:36,627 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 387 transitions. [2022-07-21 05:02:36,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-07-21 05:02:36,628 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:36,628 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:36,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 05:02:36,629 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:36,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:36,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1464730591, now seen corresponding path program 1 times [2022-07-21 05:02:36,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:36,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756575780] [2022-07-21 05:02:36,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:36,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:36,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 05:02:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:36,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 05:02:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:36,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 05:02:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:36,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:36,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 05:02:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:36,742 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:36,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:36,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756575780] [2022-07-21 05:02:36,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756575780] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:36,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:36,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 05:02:36,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972383738] [2022-07-21 05:02:36,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:36,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 05:02:36,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:36,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 05:02:36,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-21 05:02:36,744 INFO L87 Difference]: Start difference. First operand 309 states and 387 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-21 05:02:37,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:37,684 INFO L93 Difference]: Finished difference Result 965 states and 1269 transitions. [2022-07-21 05:02:37,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-07-21 05:02:37,685 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 61 [2022-07-21 05:02:37,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:37,689 INFO L225 Difference]: With dead ends: 965 [2022-07-21 05:02:37,689 INFO L226 Difference]: Without dead ends: 720 [2022-07-21 05:02:37,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2022-07-21 05:02:37,692 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 555 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:37,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 889 Invalid, 1191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 05:02:37,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2022-07-21 05:02:37,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 594. [2022-07-21 05:02:37,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 446 states have (on average 1.210762331838565) internal successors, (540), 472 states have internal predecessors, (540), 77 states have call successors, (77), 58 states have call predecessors, (77), 70 states have return successors, (127), 79 states have call predecessors, (127), 77 states have call successors, (127) [2022-07-21 05:02:37,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 744 transitions. [2022-07-21 05:02:37,727 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 744 transitions. Word has length 61 [2022-07-21 05:02:37,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:37,727 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 744 transitions. [2022-07-21 05:02:37,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-21 05:02:37,728 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 744 transitions. [2022-07-21 05:02:37,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-21 05:02:37,729 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:37,729 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:37,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 05:02:37,729 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:37,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:37,730 INFO L85 PathProgramCache]: Analyzing trace with hash -2028217141, now seen corresponding path program 1 times [2022-07-21 05:02:37,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:37,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355345843] [2022-07-21 05:02:37,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:37,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:37,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 05:02:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:37,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 05:02:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:37,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:02:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:37,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 05:02:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:37,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:37,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 05:02:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:37,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 05:02:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:37,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 05:02:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:37,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:37,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 05:02:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-21 05:02:37,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:37,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355345843] [2022-07-21 05:02:37,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355345843] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 05:02:37,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248881291] [2022-07-21 05:02:37,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:37,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 05:02:37,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:02:37,835 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 05:02:37,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 05:02:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:37,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 05:02:37,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 05:02:38,077 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:02:38,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 05:02:38,217 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-21 05:02:38,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248881291] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 05:02:38,217 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 05:02:38,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2022-07-21 05:02:38,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844882706] [2022-07-21 05:02:38,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 05:02:38,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-21 05:02:38,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:38,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-21 05:02:38,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-07-21 05:02:38,219 INFO L87 Difference]: Start difference. First operand 594 states and 744 transitions. Second operand has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 10 states have internal predecessors, (137), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 6 states have call successors, (19) [2022-07-21 05:02:39,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:39,081 INFO L93 Difference]: Finished difference Result 1279 states and 1643 transitions. [2022-07-21 05:02:39,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-07-21 05:02:39,081 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 10 states have internal predecessors, (137), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 6 states have call successors, (19) Word has length 111 [2022-07-21 05:02:39,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:39,084 INFO L225 Difference]: With dead ends: 1279 [2022-07-21 05:02:39,084 INFO L226 Difference]: Without dead ends: 747 [2022-07-21 05:02:39,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 253 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=441, Invalid=1451, Unknown=0, NotChecked=0, Total=1892 [2022-07-21 05:02:39,087 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 478 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 224 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:39,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 1069 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [224 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 05:02:39,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2022-07-21 05:02:39,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 659. [2022-07-21 05:02:39,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 490 states have (on average 1.1959183673469387) internal successors, (586), 524 states have internal predecessors, (586), 87 states have call successors, (87), 72 states have call predecessors, (87), 81 states have return successors, (119), 84 states have call predecessors, (119), 87 states have call successors, (119) [2022-07-21 05:02:39,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 792 transitions. [2022-07-21 05:02:39,125 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 792 transitions. Word has length 111 [2022-07-21 05:02:39,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:39,127 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 792 transitions. [2022-07-21 05:02:39,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 10 states have internal predecessors, (137), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 6 states have call successors, (19) [2022-07-21 05:02:39,127 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 792 transitions. [2022-07-21 05:02:39,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-07-21 05:02:39,130 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:39,131 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:39,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-21 05:02:39,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-21 05:02:39,366 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:39,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:39,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1718593601, now seen corresponding path program 1 times [2022-07-21 05:02:39,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:39,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011662024] [2022-07-21 05:02:39,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:39,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 05:02:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 05:02:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:39,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:02:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:39,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 05:02:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:39,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:39,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 05:02:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:39,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:02:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:39,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 05:02:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:39,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 05:02:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:39,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:39,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 05:02:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:02:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:39,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 05:02:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:39,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 05:02:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:39,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 05:02:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:39,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-21 05:02:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:39,484 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-07-21 05:02:39,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:39,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011662024] [2022-07-21 05:02:39,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011662024] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:39,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:39,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 05:02:39,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24727510] [2022-07-21 05:02:39,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:39,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 05:02:39,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:39,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 05:02:39,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-21 05:02:39,486 INFO L87 Difference]: Start difference. First operand 659 states and 792 transitions. Second operand has 10 states, 10 states have (on average 9.7) internal successors, (97), 7 states have internal predecessors, (97), 4 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-07-21 05:02:40,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:40,144 INFO L93 Difference]: Finished difference Result 1852 states and 2263 transitions. [2022-07-21 05:02:40,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-21 05:02:40,145 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 7 states have internal predecessors, (97), 4 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 191 [2022-07-21 05:02:40,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:40,149 INFO L225 Difference]: With dead ends: 1852 [2022-07-21 05:02:40,149 INFO L226 Difference]: Without dead ends: 1201 [2022-07-21 05:02:40,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=229, Invalid=893, Unknown=0, NotChecked=0, Total=1122 [2022-07-21 05:02:40,151 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 410 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:40,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 855 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 05:02:40,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2022-07-21 05:02:40,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1185. [2022-07-21 05:02:40,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 888 states have (on average 1.1610360360360361) internal successors, (1031), 941 states have internal predecessors, (1031), 152 states have call successors, (152), 131 states have call predecessors, (152), 144 states have return successors, (206), 150 states have call predecessors, (206), 152 states have call successors, (206) [2022-07-21 05:02:40,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1389 transitions. [2022-07-21 05:02:40,213 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1389 transitions. Word has length 191 [2022-07-21 05:02:40,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:40,214 INFO L495 AbstractCegarLoop]: Abstraction has 1185 states and 1389 transitions. [2022-07-21 05:02:40,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 7 states have internal predecessors, (97), 4 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-07-21 05:02:40,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1389 transitions. [2022-07-21 05:02:40,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-21 05:02:40,217 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:40,217 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:40,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 05:02:40,218 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:40,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:40,218 INFO L85 PathProgramCache]: Analyzing trace with hash 757011875, now seen corresponding path program 1 times [2022-07-21 05:02:40,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:40,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054646071] [2022-07-21 05:02:40,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:40,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 05:02:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 05:02:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:02:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 05:02:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 05:02:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:02:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 05:02:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 05:02:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-21 05:02:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-21 05:02:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:02:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 05:02:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 05:02:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 05:02:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 05:02:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,344 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 69 proven. 5 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2022-07-21 05:02:40,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:40,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054646071] [2022-07-21 05:02:40,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054646071] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 05:02:40,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716940172] [2022-07-21 05:02:40,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:40,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 05:02:40,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:02:40,368 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 05:02:40,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 05:02:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:40,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-21 05:02:40,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 05:02:40,735 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 147 proven. 4 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-07-21 05:02:40,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 05:02:41,068 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 81 proven. 39 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-07-21 05:02:41,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716940172] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 05:02:41,068 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 05:02:41,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 26 [2022-07-21 05:02:41,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107341521] [2022-07-21 05:02:41,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 05:02:41,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-07-21 05:02:41,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:41,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-07-21 05:02:41,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=529, Unknown=0, NotChecked=0, Total=650 [2022-07-21 05:02:41,070 INFO L87 Difference]: Start difference. First operand 1185 states and 1389 transitions. Second operand has 26 states, 26 states have (on average 8.73076923076923) internal successors, (227), 21 states have internal predecessors, (227), 9 states have call successors, (38), 10 states have call predecessors, (38), 9 states have return successors, (37), 8 states have call predecessors, (37), 9 states have call successors, (37) [2022-07-21 05:02:42,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:42,201 INFO L93 Difference]: Finished difference Result 2488 states and 3005 transitions. [2022-07-21 05:02:42,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-07-21 05:02:42,201 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 8.73076923076923) internal successors, (227), 21 states have internal predecessors, (227), 9 states have call successors, (38), 10 states have call predecessors, (38), 9 states have return successors, (37), 8 states have call predecessors, (37), 9 states have call successors, (37) Word has length 195 [2022-07-21 05:02:42,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:42,202 INFO L225 Difference]: With dead ends: 2488 [2022-07-21 05:02:42,202 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 05:02:42,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 418 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=557, Invalid=2095, Unknown=0, NotChecked=0, Total=2652 [2022-07-21 05:02:42,208 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 920 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 1763 mSolverCounterSat, 441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 923 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 2204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 441 IncrementalHoareTripleChecker+Valid, 1763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:42,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [923 Valid, 564 Invalid, 2204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [441 Valid, 1763 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 05:02:42,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 05:02:42,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 05:02:42,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:02:42,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 05:02:42,210 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2022-07-21 05:02:42,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:42,210 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 05:02:42,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.73076923076923) internal successors, (227), 21 states have internal predecessors, (227), 9 states have call successors, (38), 10 states have call predecessors, (38), 9 states have return successors, (37), 8 states have call predecessors, (37), 9 states have call successors, (37) [2022-07-21 05:02:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 05:02:42,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 05:02:42,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 05:02:42,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-21 05:02:42,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-21 05:02:42,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 05:02:52,226 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 450 457) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) [2022-07-21 05:02:52,226 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 450 457) no Hoare annotation was computed. [2022-07-21 05:02:52,226 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 450 457) no Hoare annotation was computed. [2022-07-21 05:02:52,226 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 357 363) no Hoare annotation was computed. [2022-07-21 05:02:52,226 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 357 363) the Hoare annotation is: true [2022-07-21 05:02:52,226 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 135 146) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse3 (not (<= ~waterLevel~0 2)))) (and (or (not (= |old(~methaneLevelCritical~0)| 0)) .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse3))) [2022-07-21 05:02:52,226 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 135 146) no Hoare annotation was computed. [2022-07-21 05:02:52,227 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 135 146) no Hoare annotation was computed. [2022-07-21 05:02:52,227 INFO L895 garLoopResultBuilder]: At program point L217(lines 212 219) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2))) [2022-07-21 05:02:52,228 INFO L895 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse17 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse22 (<= ~waterLevel~0 1)) (.cse25 (= 1 ~systemActive~0)) (.cse8 (not .cse1)) (.cse26 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse11 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse19 (= ~pumpRunning~0 0)) (.cse12 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse13 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (<= 1 ~switchedOnBeforeTS~0)) (.cse16 (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (and .cse11 .cse19 .cse12 .cse13 .cse14 .cse15 .cse16)) (.cse4 (and .cse17 .cse11 .cse19 .cse13 .cse22 .cse25 .cse8 .cse26 .cse15 .cse16)) (.cse21 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and .cse17 .cse11 .cse19 .cse1 .cse13 .cse22 .cse25 .cse26 .cse15 .cse16)) (.cse9 (and .cse10 .cse17 .cse11 .cse13 .cse22 .cse26 .cse15 .cse16)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse25)) (.cse20 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse4 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse2 .cse3 .cse7 .cse8 .cse9 (and .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) .cse5 .cse6) (let ((.cse18 (= ~waterLevel~0 1))) (or (and .cse10 .cse17 .cse11 .cse13 .cse18 .cse15 .cse16) .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse17 .cse11 .cse19 .cse13 .cse18 .cse15 .cse16) .cse20)) (or .cse21 .cse1 .cse2 .cse3 .cse4 .cse6) (or .cse21 .cse2 .cse3 .cse7 .cse8 .cse9 .cse6) (let ((.cse23 (= 2 ~waterLevel~0)) (.cse24 (= 2 |timeShift_getWaterLevel_#res#1|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 (and .cse19 .cse12 .cse22 .cse14) (and .cse19 .cse23 .cse24 .cse14) .cse20 (and (<= 1 ~pumpRunning~0) .cse23 .cse24 .cse14))))))) [2022-07-21 05:02:52,228 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-07-21 05:02:52,228 INFO L895 garLoopResultBuilder]: At program point L436(line 436) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse2 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 (not (< 1 |old(~waterLevel~0)|)) .cse1))) [2022-07-21 05:02:52,228 INFO L895 garLoopResultBuilder]: At program point L436-1(lines 417 441) the Hoare annotation is: (let ((.cse12 (= ~methaneLevelCritical~0 0))) (let ((.cse3 (not .cse12)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse22 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse16 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse25 (<= ~waterLevel~0 1)) (.cse24 (= 1 ~systemActive~0)) (.cse26 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse17 (<= 1 ~switchedOnBeforeTS~0)) (.cse18 (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0)) (.cse15 (= ~pumpRunning~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse15 .cse10)) (.cse21 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (and .cse9 .cse22 .cse14 .cse12 .cse16 .cse25 .cse24 .cse26 .cse17 .cse18)) (.cse5 (and .cse14 .cse15 .cse12 .cse16 .cse25 .cse24 .cse26 .cse17 .cse18)) (.cse23 (and .cse14 .cse15 .cse16 .cse10 .cse17 .cse18)) (.cse20 (and .cse14 .cse15 .cse16 .cse25 .cse24 .cse3 .cse26 .cse17 .cse18)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not .cse24)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse13 (not (< 1 |old(~waterLevel~0)|))) (.cse19 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse1 (and .cse9 .cse10) .cse11) (or .cse12 .cse1 .cse2 .cse13 (and .cse14 .cse15 .cse16 .cse17 .cse18) .cse19) (or .cse0 .cse12 .cse1 .cse2 .cse20 .cse6) (or .cse1 .cse2 .cse3 .cse11 .cse4 .cse5) (or .cse21 .cse7 .cse8 .cse1) (or .cse21 (and .cse22 .cse14 .cse16 .cse10 .cse17 .cse18) .cse1 .cse2 .cse3 .cse23 .cse4 .cse5 .cse6) (or .cse12 .cse1 .cse2 .cse23 .cse19 .cse20 .cse6) (or .cse1 .cse2 .cse13 (= ~waterLevel~0 1) .cse19))))) [2022-07-21 05:02:52,228 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 343) no Hoare annotation was computed. [2022-07-21 05:02:52,228 INFO L895 garLoopResultBuilder]: At program point L465(lines 458 468) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse15 (<= 1 ~pumpRunning~0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse12 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse16 (<= ~waterLevel~0 1)) (.cse14 (= 1 ~systemActive~0)) (.cse8 (not .cse1)) (.cse17 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse13 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse4 (and .cse15 .cse10 .cse11 .cse12 .cse16 .cse14 .cse8 .cse17 .cse13)) (.cse7 (and .cse10 .cse11 .cse12 (= |old(~waterLevel~0)| ~waterLevel~0) .cse13)) (.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse9 (and .cse15 .cse10 .cse11 .cse1 .cse12 .cse16 .cse14 .cse17 .cse13)) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not .cse14)) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse6 .cse7 .cse5) (or .cse2 .cse3 .cse8 .cse6 .cse7 .cse9 .cse5) (or .cse0 .cse2 .cse3 .cse8 .cse9 .cse5) (or .cse2 (and .cse10 .cse11 .cse12 (= ~waterLevel~0 1) .cse13) .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse6))))) [2022-07-21 05:02:52,228 INFO L899 garLoopResultBuilder]: For program point L337-2(lines 333 355) no Hoare annotation was computed. [2022-07-21 05:02:52,228 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 330 356) no Hoare annotation was computed. [2022-07-21 05:02:52,228 INFO L895 garLoopResultBuilder]: At program point L69(lines 62 71) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse6)) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 (<= 1 ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 2))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse3 .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse5) (or .cse3 .cse2 .cse4 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-21 05:02:52,228 INFO L895 garLoopResultBuilder]: At program point L152(lines 147 155) the Hoare annotation is: (let ((.cse10 (= ~methaneLevelCritical~0 0))) (let ((.cse7 (not .cse10)) (.cse14 (<= 1 ~pumpRunning~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse15 (<= ~waterLevel~0 1)) (.cse13 (= 1 ~systemActive~0)) (.cse16 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse8 (and .cse14 .cse2 .cse10 .cse3 .cse15 .cse13 .cse16 .cse4)) (.cse12 (and .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (and .cse14 .cse2 .cse3 .cse15 .cse13 .cse7 .cse16 .cse4)) (.cse9 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not .cse13)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse2 .cse3 (= ~waterLevel~0 1) .cse4) .cse5) (or .cse6 .cse0 .cse1 .cse7 .cse8 .cse9) (or .cse6 .cse10 .cse0 .cse1 .cse11 .cse9) (or .cse12 .cse0 .cse1 .cse7 .cse8 .cse5 .cse9) (or .cse12 .cse10 .cse0 .cse1 .cse11 .cse5 .cse9) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse5))))) [2022-07-21 05:02:52,228 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 119) no Hoare annotation was computed. [2022-07-21 05:02:52,229 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0))) (let ((.cse21 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse22 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse24 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1|))) (.cse23 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse13 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse14 (= ~pumpRunning~0 0)) (.cse15 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse26 (<= ~waterLevel~0 1)) (.cse25 (= 1 ~systemActive~0)) (.cse7 (not .cse2)) (.cse27 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse16 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse17 (<= 1 ~switchedOnBeforeTS~0)) (.cse18 (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0))) (let ((.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse0 (and .cse12 .cse13 .cse14 .cse15 .cse26 .cse25 .cse7 .cse27 .cse16 .cse17 .cse18)) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and .cse12 .cse13 .cse14 .cse2 .cse15 .cse26 .cse25 .cse27 .cse16 .cse17 .cse18)) (.cse8 (and (<= 1 ~pumpRunning~0) .cse23 .cse12 .cse13 .cse2 .cse15 .cse26 .cse25 .cse27 .cse16 .cse17 .cse18)) (.cse20 (and .cse13 .cse14 .cse21 .cse15 .cse22 .cse17 .cse24 .cse18)) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse3 (not .cse25)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (not (< 1 |old(~waterLevel~0)|))) (.cse19 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse3 .cse4 .cse6 .cse7 .cse8 .cse9) (or .cse10 .cse3 .cse9) (or .cse1 .cse3 .cse4 .cse6 .cse7 .cse8 .cse5) (or .cse2 .cse3 .cse4 .cse11 (and .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) .cse19) (or .cse0 .cse2 .cse3 .cse4 .cse19 .cse20 .cse5) (or (not (<= |old(~waterLevel~0)| 1)) .cse10 (and .cse14 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2) .cse21 .cse22) .cse3) (or .cse3 .cse4 .cse6 .cse7 .cse8 (and .cse23 .cse13 .cse21 .cse15 .cse22 .cse17 .cse24 .cse18) .cse19 .cse20 .cse5) (or .cse3 .cse4 .cse11 (= ~waterLevel~0 1) .cse19))))) [2022-07-21 05:02:52,229 INFO L895 garLoopResultBuilder]: At program point L115-2(lines 111 122) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (= 1 ~systemActive~0))) (let ((.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not .cse7)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6)))) [2022-07-21 05:02:52,229 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-07-21 05:02:52,229 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 433) no Hoare annotation was computed. [2022-07-21 05:02:52,229 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 438) no Hoare annotation was computed. [2022-07-21 05:02:52,229 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 (not (<= |old(~waterLevel~0)| 2))) (or .cse2 .cse3 (not (= |old(~waterLevel~0)| 2)) .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-21 05:02:52,229 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-07-21 05:02:52,229 INFO L899 garLoopResultBuilder]: For program point L216(line 216) no Hoare annotation was computed. [2022-07-21 05:02:52,229 INFO L899 garLoopResultBuilder]: For program point L344-1(lines 344 350) no Hoare annotation was computed. [2022-07-21 05:02:52,229 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2022-07-21 05:02:52,229 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2022-07-21 05:02:52,229 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 330 356) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 (not (<= |old(~waterLevel~0)| 2))) (or .cse2 .cse3 (not (= |old(~waterLevel~0)| 2)) .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-07-21 05:02:52,229 INFO L895 garLoopResultBuilder]: At program point L431(line 431) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse8 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse11 (= 1 ~systemActive~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0))) (let ((.cse5 (and (<= 1 ~pumpRunning~0) .cse6 .cse7 .cse0 .cse8 (<= ~waterLevel~0 1) .cse11 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse9 .cse10)) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not .cse11)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 2)) .cse5) (or (and .cse6 .cse7 .cse8 (= |old(~waterLevel~0)| ~waterLevel~0) .cse9 .cse10) .cse1 .cse2 .cse5 .cse3 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse5 .cse4) (or (not (= |old(~pumpRunning~0)| 0)) .cse1 .cse3) (or .cse1 .cse2 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse3)))) [2022-07-21 05:02:52,229 INFO L895 garLoopResultBuilder]: At program point L80-1(lines 72 100) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0))) (let ((.cse13 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse17 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1|))) (.cse8 (not .cse2)) (.cse23 (<= 1 ~pumpRunning~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse26 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse12 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse19 (= ~pumpRunning~0 0)) (.cse14 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse29 (<= ~waterLevel~0 1)) (.cse27 (= 1 ~systemActive~0)) (.cse30 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse28 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse16 (<= 1 ~switchedOnBeforeTS~0)) (.cse18 (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0))) (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse7 (and .cse26 .cse12 .cse19 .cse2 .cse14 .cse29 .cse27 .cse30 .cse28 .cse16 .cse18)) (.cse10 (and .cse23 .cse11 .cse26 .cse12 .cse2 .cse14 .cse29 .cse27 .cse30 .cse28 .cse16 .cse18)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse22 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (and .cse26 .cse12 .cse19 .cse14 .cse29 .cse27 .cse8 .cse30 .cse28 .cse16 .cse18)) (.cse9 (and .cse12 .cse19 .cse13 .cse14 .cse27 .cse15 .cse16 .cse17 .cse18)) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse3 (not .cse27)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse25 (not (< 1 |old(~waterLevel~0)|))) (.cse24 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse3 .cse4 .cse7 .cse8 .cse9 .cse10 (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) .cse5) (let ((.cse20 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse21 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2))) (or (and .cse19 .cse20 .cse15 .cse21) .cse22 .cse3 (and .cse23 .cse20 .cse15 .cse21) .cse24 (not (<= 2 |old(~waterLevel~0)|)))) (or .cse3 .cse4 .cse7 .cse8 .cse10 (not (= |old(~waterLevel~0)| 2))) (or .cse1 .cse3 .cse4 .cse7 .cse8 .cse10 .cse5) (or .cse2 .cse3 .cse4 .cse25 (and .cse26 .cse12 .cse19 .cse14 .cse27 .cse28 .cse16 .cse18) .cse24) (or .cse6 .cse22 .cse3 (and .cse19 .cse13 .cse15 .cse17)) (or .cse0 .cse2 .cse3 .cse4 .cse9 .cse24 .cse5) (or .cse3 .cse4 .cse25 (= ~waterLevel~0 1) .cse24))))) [2022-07-21 05:02:52,230 INFO L895 garLoopResultBuilder]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse2 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse11 (= 1 ~systemActive~0)) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0))) (let ((.cse6 (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 (<= ~waterLevel~0 1) .cse11 .cse10 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3 .cse4)) (.cse9 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse5 (not .cse11)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3 .cse4) .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse5 .cse6 .cse7 (not (= |old(~waterLevel~0)| 2))) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse7 .cse9) (or (not (= |old(~pumpRunning~0)| 0)) .cse5 .cse8) (or .cse5 .cse7 .cse10 .cse8 .cse9) (or .cse5 .cse7 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse8)))) [2022-07-21 05:02:52,230 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 330 356) no Hoare annotation was computed. [2022-07-21 05:02:52,230 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 216) no Hoare annotation was computed. [2022-07-21 05:02:52,230 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 223 252) no Hoare annotation was computed. [2022-07-21 05:02:52,230 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 223 252) the Hoare annotation is: true [2022-07-21 05:02:52,230 INFO L902 garLoopResultBuilder]: At program point L248(lines 223 252) the Hoare annotation is: true [2022-07-21 05:02:52,230 INFO L899 garLoopResultBuilder]: For program point L244(line 244) no Hoare annotation was computed. [2022-07-21 05:02:52,230 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 241) no Hoare annotation was computed. [2022-07-21 05:02:52,230 INFO L902 garLoopResultBuilder]: At program point L237-1(lines 237 241) the Hoare annotation is: true [2022-07-21 05:02:52,230 INFO L899 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2022-07-21 05:02:52,230 INFO L902 garLoopResultBuilder]: At program point L233-2(lines 233 247) the Hoare annotation is: true [2022-07-21 05:02:52,230 INFO L902 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: true [2022-07-21 05:02:52,230 INFO L899 garLoopResultBuilder]: For program point L229-1(line 229) no Hoare annotation was computed. [2022-07-21 05:02:52,230 INFO L899 garLoopResultBuilder]: For program point L609(lines 609 613) no Hoare annotation was computed. [2022-07-21 05:02:52,230 INFO L895 garLoopResultBuilder]: At program point L609-2(lines 601 614) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (< 1 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-07-21 05:02:52,230 INFO L899 garLoopResultBuilder]: For program point L572(lines 571 618) no Hoare annotation was computed. [2022-07-21 05:02:52,231 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 614) no Hoare annotation was computed. [2022-07-21 05:02:52,231 INFO L895 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (< 1 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2022-07-21 05:02:52,231 INFO L902 garLoopResultBuilder]: At program point L622(lines 561 626) the Hoare annotation is: true [2022-07-21 05:02:52,231 INFO L899 garLoopResultBuilder]: For program point L581(lines 581 587) no Hoare annotation was computed. [2022-07-21 05:02:52,231 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 587) no Hoare annotation was computed. [2022-07-21 05:02:52,231 INFO L895 garLoopResultBuilder]: At program point L643(lines 639 645) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:02:52,231 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 05:02:52,231 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 05:02:52,231 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 577) no Hoare annotation was computed. [2022-07-21 05:02:52,231 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 05:02:52,231 INFO L895 garLoopResultBuilder]: At program point L557(lines 552 559) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (< 1 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-07-21 05:02:52,231 INFO L895 garLoopResultBuilder]: At program point L619(lines 570 620) the Hoare annotation is: false [2022-07-21 05:02:52,231 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 05:02:52,231 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 317) no Hoare annotation was computed. [2022-07-21 05:02:52,231 INFO L899 garLoopResultBuilder]: For program point L310-2(lines 310 317) no Hoare annotation was computed. [2022-07-21 05:02:52,231 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 597) no Hoare annotation was computed. [2022-07-21 05:02:52,231 INFO L899 garLoopResultBuilder]: For program point L591-1(lines 591 597) no Hoare annotation was computed. [2022-07-21 05:02:52,231 INFO L895 garLoopResultBuilder]: At program point L616(lines 571 618) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3) (and .cse4 (= ~methaneLevelCritical~0 0) .cse5 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse5 .cse2 .cse3))) [2022-07-21 05:02:52,232 INFO L895 garLoopResultBuilder]: At program point L583(line 583) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3) (and .cse4 (= ~methaneLevelCritical~0 0) .cse5 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse5 .cse2 .cse3))) [2022-07-21 05:02:52,232 INFO L902 garLoopResultBuilder]: At program point L294(lines 286 296) the Hoare annotation is: true [2022-07-21 05:02:52,232 INFO L902 garLoopResultBuilder]: At program point L319(lines 300 322) the Hoare annotation is: true [2022-07-21 05:02:52,232 INFO L895 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:02:52,232 INFO L895 garLoopResultBuilder]: At program point L282(lines 278 284) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:02:52,232 INFO L895 garLoopResultBuilder]: At program point L658(lines 653 661) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:02:52,232 INFO L895 garLoopResultBuilder]: At program point L650(lines 646 652) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:02:52,232 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 365 389) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-21 05:02:52,232 INFO L899 garLoopResultBuilder]: For program point L192(lines 192 198) no Hoare annotation was computed. [2022-07-21 05:02:52,232 INFO L895 garLoopResultBuilder]: At program point L384(line 384) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-21 05:02:52,232 INFO L899 garLoopResultBuilder]: For program point L384-1(lines 365 389) no Hoare annotation was computed. [2022-07-21 05:02:52,232 INFO L895 garLoopResultBuilder]: At program point L529(lines 514 532) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse2 .cse1 (not (= 2 ~waterLevel~0))))) [2022-07-21 05:02:52,232 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2022-07-21 05:02:52,232 INFO L899 garLoopResultBuilder]: For program point L523-2(lines 523 527) no Hoare annotation was computed. [2022-07-21 05:02:52,232 INFO L895 garLoopResultBuilder]: At program point L197(lines 188 201) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (<= ~waterLevel~0 2))))) [2022-07-21 05:02:52,232 INFO L895 garLoopResultBuilder]: At program point L447(lines 442 449) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2))))) [2022-07-21 05:02:52,233 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 365 389) no Hoare annotation was computed. [2022-07-21 05:02:52,233 INFO L895 garLoopResultBuilder]: At program point L379(line 379) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2)) (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-21 05:02:52,233 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 381) no Hoare annotation was computed. [2022-07-21 05:02:52,233 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 386) no Hoare annotation was computed. [2022-07-21 05:02:52,233 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 123 134) no Hoare annotation was computed. [2022-07-21 05:02:52,233 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 123 134) no Hoare annotation was computed. [2022-07-21 05:02:52,233 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 123 134) the Hoare annotation is: (let ((.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse0 (not (= |old(~waterLevel~0)| 2)) .cse2) (or .cse4 .cse3 .cse0 .cse2) (or .cse4 .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-21 05:02:52,233 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 391 415) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-21 05:02:52,233 INFO L895 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-21 05:02:52,233 INFO L895 garLoopResultBuilder]: At program point L401(line 401) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-21 05:02:52,233 INFO L895 garLoopResultBuilder]: At program point L207(lines 202 210) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-21 05:02:52,233 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 407) no Hoare annotation was computed. [2022-07-21 05:02:52,233 INFO L899 garLoopResultBuilder]: For program point L395(lines 395 412) no Hoare annotation was computed. [2022-07-21 05:02:52,233 INFO L895 garLoopResultBuilder]: At program point L548(lines 533 551) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-07-21 05:02:52,233 INFO L899 garLoopResultBuilder]: For program point L542(lines 542 546) no Hoare annotation was computed. [2022-07-21 05:02:52,233 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 391 415) no Hoare annotation was computed. [2022-07-21 05:02:52,233 INFO L899 garLoopResultBuilder]: For program point L542-2(lines 542 546) no Hoare annotation was computed. [2022-07-21 05:02:52,234 INFO L895 garLoopResultBuilder]: At program point L410(line 410) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-21 05:02:52,234 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 391 415) no Hoare annotation was computed. [2022-07-21 05:02:52,234 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 469 477) no Hoare annotation was computed. [2022-07-21 05:02:52,234 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 469 477) the Hoare annotation is: true [2022-07-21 05:02:52,234 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 469 477) no Hoare annotation was computed. [2022-07-21 05:02:52,237 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:52,239 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 05:02:52,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 05:02:52 BoogieIcfgContainer [2022-07-21 05:02:52,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 05:02:52,287 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 05:02:52,287 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 05:02:52,287 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 05:02:52,287 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:02:34" (3/4) ... [2022-07-21 05:02:52,290 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 05:02:52,294 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-21 05:02:52,294 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-21 05:02:52,294 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-21 05:02:52,294 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-21 05:02:52,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-21 05:02:52,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-21 05:02:52,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-21 05:02:52,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-07-21 05:02:52,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-21 05:02:52,304 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2022-07-21 05:02:52,305 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-21 05:02:52,305 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-21 05:02:52,305 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 05:02:52,305 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 05:02:52,306 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:02:52,306 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:02:52,326 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-21 05:02:52,326 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-07-21 05:02:52,327 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical) || !(\old(waterLevel) == 1)) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && \result < 2) && \result == methaneLevelCritical) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(2 <= tmp)) && tmp == methaneLevelCritical)) || (((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && methaneLevelCritical == \result) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || (((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result < 2) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(2 <= tmp)) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || (((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && methaneLevelCritical == \result) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(\old(waterLevel) == 2))) && ((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || (((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && methaneLevelCritical == \result) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && \result == methaneLevelCritical) && 1 == systemActive) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && !(2 <= tmp)))) && ((((((((((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && \result < 2) && \result == methaneLevelCritical) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(2 <= tmp)) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2022-07-21 05:02:52,327 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == \result) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((methaneLevelCritical == \result && pumpRunning == 0) && \result == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) == 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || (((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == \result) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && ((((((((!(\old(waterLevel) <= 1) || (((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((methaneLevelCritical == \result && pumpRunning == 0) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || (((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == \result) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((methaneLevelCritical == \result && pumpRunning == 0) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2022-07-21 05:02:52,327 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-21 05:02:52,328 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(\old(waterLevel) <= 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || ((((((methaneLevelCritical == \result && pumpRunning == 0) && \result < 2) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS))) && ((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(\old(waterLevel) == 2))) && ((((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || ((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result < 2) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || ((((((methaneLevelCritical == \result && pumpRunning == 0) && \result < 2) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) == 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) [2022-07-21 05:02:52,328 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-21 05:02:52,328 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(waterLevel) == 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == \result) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == \result) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-21 05:02:52,328 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) && (((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-07-21 05:02:52,329 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) || \result == 1) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-07-21 05:02:52,329 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) && (((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-07-21 05:02:52,331 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 1)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 == waterLevel)) [2022-07-21 05:02:52,331 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) [2022-07-21 05:02:52,358 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 05:02:52,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 05:02:52,361 INFO L158 Benchmark]: Toolchain (without parser) took 18868.17ms. Allocated memory was 56.6MB in the beginning and 218.1MB in the end (delta: 161.5MB). Free memory was 40.6MB in the beginning and 175.2MB in the end (delta: -134.7MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2022-07-21 05:02:52,361 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 46.1MB. Free memory was 29.0MB in the beginning and 28.9MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 05:02:52,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.88ms. Allocated memory is still 56.6MB. Free memory was 40.4MB in the beginning and 31.7MB in the end (delta: 8.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-21 05:02:52,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.00ms. Allocated memory is still 56.6MB. Free memory was 31.7MB in the beginning and 29.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:02:52,362 INFO L158 Benchmark]: Boogie Preprocessor took 64.16ms. Allocated memory is still 56.6MB. Free memory was 29.1MB in the beginning and 27.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:02:52,362 INFO L158 Benchmark]: RCFGBuilder took 529.96ms. Allocated memory is still 56.6MB. Free memory was 27.5MB in the beginning and 36.7MB in the end (delta: -9.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-07-21 05:02:52,362 INFO L158 Benchmark]: TraceAbstraction took 17481.55ms. Allocated memory was 56.6MB in the beginning and 218.1MB in the end (delta: 161.5MB). Free memory was 36.1MB in the beginning and 181.5MB in the end (delta: -145.4MB). Peak memory consumption was 130.9MB. Max. memory is 16.1GB. [2022-07-21 05:02:52,363 INFO L158 Benchmark]: Witness Printer took 71.83ms. Allocated memory is still 218.1MB. Free memory was 181.5MB in the beginning and 175.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-21 05:02:52,364 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 46.1MB. Free memory was 29.0MB in the beginning and 28.9MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 602.88ms. Allocated memory is still 56.6MB. Free memory was 40.4MB in the beginning and 31.7MB in the end (delta: 8.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.00ms. Allocated memory is still 56.6MB. Free memory was 31.7MB in the beginning and 29.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.16ms. Allocated memory is still 56.6MB. Free memory was 29.1MB in the beginning and 27.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 529.96ms. Allocated memory is still 56.6MB. Free memory was 27.5MB in the beginning and 36.7MB in the end (delta: -9.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * TraceAbstraction took 17481.55ms. Allocated memory was 56.6MB in the beginning and 218.1MB in the end (delta: 161.5MB). Free memory was 36.1MB in the beginning and 181.5MB in the end (delta: -145.4MB). Peak memory consumption was 130.9MB. Max. memory is 16.1GB. * Witness Printer took 71.83ms. Allocated memory is still 218.1MB. Free memory was 181.5MB in the beginning and 175.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 216]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.4s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3195 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3146 mSDsluCounter, 5744 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3989 mSDsCounter, 1243 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5080 IncrementalHoareTripleChecker+Invalid, 6323 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1243 mSolverCounterUnsat, 1755 mSDtfsCounter, 5080 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1003 GetRequests, 803 SyntacticMatches, 7 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1523 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1185occurred in iteration=11, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 277 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 2641 PreInvPairs, 3127 NumberOfFragments, 4663 HoareAnnotationTreeSize, 2641 FomulaSimplifications, 3904 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 50 FomulaSimplificationsInter, 50719 FormulaSimplificationTreeSizeReductionInter, 9.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1244 NumberOfCodeBlocks, 1244 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1534 ConstructedInterpolants, 0 QuantifiedInterpolants, 3077 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1245 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 871/953 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: 639]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: (((((((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == \result) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((methaneLevelCritical == \result && pumpRunning == 0) && \result == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) == 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || (((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == \result) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && ((((((((!(\old(waterLevel) <= 1) || (((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((methaneLevelCritical == \result && pumpRunning == 0) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || (((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == \result) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((methaneLevelCritical == \result && pumpRunning == 0) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) && (((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) || \result == 1) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((((((((((!(\old(waterLevel) <= 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || ((((((methaneLevelCritical == \result && pumpRunning == 0) && \result < 2) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS))) && ((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(\old(waterLevel) == 2))) && ((((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || ((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result < 2) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || ((((((methaneLevelCritical == \result && pumpRunning == 0) && \result < 2) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) == 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) && (((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 1)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 == waterLevel)) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical) || !(\old(waterLevel) == 1)) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && \result < 2) && \result == methaneLevelCritical) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(2 <= tmp)) && tmp == methaneLevelCritical)) || (((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && methaneLevelCritical == \result) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || (((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result < 2) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(2 <= tmp)) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || (((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && methaneLevelCritical == \result) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(\old(waterLevel) == 2))) && ((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || (((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && methaneLevelCritical == \result) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && \result == methaneLevelCritical) && 1 == systemActive) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && !(2 <= tmp)))) && ((((((((((((((((\result <= waterLevel && methaneLevelCritical == \result) && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((methaneLevelCritical == \result && pumpRunning == 0) && \result < 2) && \result == methaneLevelCritical) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(2 <= tmp)) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: ((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 < waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((((((((!(\old(waterLevel) == 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == \result) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == \result) && methaneLevelCritical == 0) && \result == methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == \result) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-21 05:02:52,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE