./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 eb692b52 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-?-eb692b5 [2022-07-19 17:26:10,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:26:10,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:26:10,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:26:10,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:26:10,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:26:10,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:26:10,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:26:10,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:26:10,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:26:10,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:26:10,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:26:10,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:26:10,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:26:10,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:26:10,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:26:10,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:26:10,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:26:10,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:26:10,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:26:10,836 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:26:10,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:26:10,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:26:10,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:26:10,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:26:10,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:26:10,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:26:10,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:26:10,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:26:10,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:26:10,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:26:10,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:26:10,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:26:10,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:26:10,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:26:10,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:26:10,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:26:10,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:26:10,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:26:10,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:26:10,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:26:10,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:26:10,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:26:10,890 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:26:10,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:26:10,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:26:10,891 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:26:10,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:26:10,892 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:26:10,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:26:10,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:26:10,893 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:26:10,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:26:10,894 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:26:10,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:26:10,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:26:10,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:26:10,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:26:10,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:26:10,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:26:10,895 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:26:10,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:26:10,896 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:26:10,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:26:10,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:26:10,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:26:10,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:26:10,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:26:10,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:26:10,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:26:10,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:26:10,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:26:10,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:26:10,898 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:26:10,898 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:26:10,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:26:10,899 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88f09ec5af0f641c9edfe2f7047937341e46c7f8baabeed0fd38f069cd3b5278 [2022-07-19 17:26:11,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:26:11,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:26:11,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:26:11,178 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:26:11,179 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:26:11,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c [2022-07-19 17:26:11,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fca9426b/ca13d4d4866748e68813a5ac48ac51b8/FLAGe4e0f83c2 [2022-07-19 17:26:11,705 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:26:11,705 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c [2022-07-19 17:26:11,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fca9426b/ca13d4d4866748e68813a5ac48ac51b8/FLAGe4e0f83c2 [2022-07-19 17:26:11,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fca9426b/ca13d4d4866748e68813a5ac48ac51b8 [2022-07-19 17:26:11,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:26:11,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:26:11,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:26:11,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:26:11,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:26:11,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:26:11" (1/1) ... [2022-07-19 17:26:11,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70f2966b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:11, skipping insertion in model container [2022-07-19 17:26:11,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:26:11" (1/1) ... [2022-07-19 17:26:11,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:26:11,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:26:11,989 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] [2022-07-19 17:26:12,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:26:12,094 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:26:12,113 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] [2022-07-19 17:26:12,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:26:12,171 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:26:12,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:12 WrapperNode [2022-07-19 17:26:12,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:26:12,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:26:12,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:26:12,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:26:12,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:12" (1/1) ... [2022-07-19 17:26:12,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:12" (1/1) ... [2022-07-19 17:26:12,223 INFO L137 Inliner]: procedures = 59, calls = 162, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 289 [2022-07-19 17:26:12,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:26:12,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:26:12,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:26:12,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:26:12,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:12" (1/1) ... [2022-07-19 17:26:12,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:12" (1/1) ... [2022-07-19 17:26:12,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:12" (1/1) ... [2022-07-19 17:26:12,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:12" (1/1) ... [2022-07-19 17:26:12,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:12" (1/1) ... [2022-07-19 17:26:12,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:12" (1/1) ... [2022-07-19 17:26:12,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:12" (1/1) ... [2022-07-19 17:26:12,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:26:12,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:26:12,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:26:12,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:26:12,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:12" (1/1) ... [2022-07-19 17:26:12,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:26:12,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:26:12,284 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) [2022-07-19 17:26:12,309 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 [2022-07-19 17:26:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:26:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-19 17:26:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-19 17:26:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-19 17:26:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-19 17:26:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-19 17:26:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-19 17:26:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-19 17:26:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-19 17:26:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-19 17:26:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-19 17:26:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-19 17:26:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-19 17:26:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-19 17:26:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-19 17:26:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-19 17:26:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-19 17:26:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:26:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-19 17:26:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-19 17:26:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:26:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:26:12,411 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:26:12,413 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:26:12,701 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:26:12,707 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:26:12,708 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-19 17:26:12,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:26:12 BoogieIcfgContainer [2022-07-19 17:26:12,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:26:12,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:26:12,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:26:12,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:26:12,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:26:11" (1/3) ... [2022-07-19 17:26:12,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2023f465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:26:12, skipping insertion in model container [2022-07-19 17:26:12,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:26:12" (2/3) ... [2022-07-19 17:26:12,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2023f465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:26:12, skipping insertion in model container [2022-07-19 17:26:12,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:26:12" (3/3) ... [2022-07-19 17:26:12,718 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2022-07-19 17:26:12,731 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:26:12,731 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:26:12,775 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:26:12,782 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@d7838a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@64cce11e [2022-07-19 17:26:12,782 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:26:12,792 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) [2022-07-19 17:26:12,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-19 17:26:12,807 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:12,807 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] [2022-07-19 17:26:12,808 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:12,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:12,813 INFO L85 PathProgramCache]: Analyzing trace with hash -17930075, now seen corresponding path program 1 times [2022-07-19 17:26:12,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:12,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116693355] [2022-07-19 17:26:12,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:12,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 17:26:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:26:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:13,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:13,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116693355] [2022-07-19 17:26:13,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116693355] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:13,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:13,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 17:26:13,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281174099] [2022-07-19 17:26:13,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:13,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 17:26:13,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:13,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 17:26:13,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:26:13,153 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) [2022-07-19 17:26:13,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:13,207 INFO L93 Difference]: Finished difference Result 203 states and 274 transitions. [2022-07-19 17:26:13,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 17:26:13,209 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 [2022-07-19 17:26:13,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:13,220 INFO L225 Difference]: With dead ends: 203 [2022-07-19 17:26:13,220 INFO L226 Difference]: Without dead ends: 97 [2022-07-19 17:26:13,226 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 [2022-07-19 17:26:13,230 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 [2022-07-19 17:26:13,231 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] [2022-07-19 17:26:13,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-07-19 17:26:13,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-07-19 17:26:13,278 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) [2022-07-19 17:26:13,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 125 transitions. [2022-07-19 17:26:13,287 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 125 transitions. Word has length 32 [2022-07-19 17:26:13,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:13,288 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 125 transitions. [2022-07-19 17:26:13,288 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) [2022-07-19 17:26:13,289 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2022-07-19 17:26:13,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-19 17:26:13,296 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:13,296 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] [2022-07-19 17:26:13,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 17:26:13,297 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:13,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:13,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1323382524, now seen corresponding path program 1 times [2022-07-19 17:26:13,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:13,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844222539] [2022-07-19 17:26:13,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:13,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 17:26:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:26:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:13,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:13,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844222539] [2022-07-19 17:26:13,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844222539] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:13,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:13,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:26:13,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367382592] [2022-07-19 17:26:13,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:13,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:26:13,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:13,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:26:13,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:26:13,398 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) [2022-07-19 17:26:13,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:13,412 INFO L93 Difference]: Finished difference Result 158 states and 204 transitions. [2022-07-19 17:26:13,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:26:13,413 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 [2022-07-19 17:26:13,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:13,414 INFO L225 Difference]: With dead ends: 158 [2022-07-19 17:26:13,415 INFO L226 Difference]: Without dead ends: 88 [2022-07-19 17:26:13,416 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 [2022-07-19 17:26:13,417 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 [2022-07-19 17:26:13,417 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] [2022-07-19 17:26:13,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-07-19 17:26:13,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-07-19 17:26:13,426 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) [2022-07-19 17:26:13,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2022-07-19 17:26:13,427 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 113 transitions. Word has length 33 [2022-07-19 17:26:13,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:13,429 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 113 transitions. [2022-07-19 17:26:13,430 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) [2022-07-19 17:26:13,430 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2022-07-19 17:26:13,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-19 17:26:13,432 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:13,432 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] [2022-07-19 17:26:13,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 17:26:13,433 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:13,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:13,434 INFO L85 PathProgramCache]: Analyzing trace with hash 951919944, now seen corresponding path program 1 times [2022-07-19 17:26:13,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:13,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076184094] [2022-07-19 17:26:13,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:13,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:26:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-19 17:26:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:13,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:13,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076184094] [2022-07-19 17:26:13,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076184094] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:13,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:13,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:26:13,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143642924] [2022-07-19 17:26:13,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:13,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:26:13,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:13,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:26:13,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:26:13,524 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) [2022-07-19 17:26:13,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:13,548 INFO L93 Difference]: Finished difference Result 168 states and 219 transitions. [2022-07-19 17:26:13,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:26:13,548 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 [2022-07-19 17:26:13,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:13,550 INFO L225 Difference]: With dead ends: 168 [2022-07-19 17:26:13,551 INFO L226 Difference]: Without dead ends: 88 [2022-07-19 17:26:13,552 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 [2022-07-19 17:26:13,555 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 [2022-07-19 17:26:13,557 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] [2022-07-19 17:26:13,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-07-19 17:26:13,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-07-19 17:26:13,573 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) [2022-07-19 17:26:13,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 112 transitions. [2022-07-19 17:26:13,574 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 112 transitions. Word has length 38 [2022-07-19 17:26:13,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:13,576 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 112 transitions. [2022-07-19 17:26:13,576 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) [2022-07-19 17:26:13,576 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2022-07-19 17:26:13,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-19 17:26:13,578 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:13,578 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] [2022-07-19 17:26:13,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 17:26:13,578 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:13,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:13,579 INFO L85 PathProgramCache]: Analyzing trace with hash 43096146, now seen corresponding path program 1 times [2022-07-19 17:26:13,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:13,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654970622] [2022-07-19 17:26:13,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:13,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:26:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 17:26:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 17:26:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:13,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:13,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654970622] [2022-07-19 17:26:13,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654970622] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:13,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:13,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 17:26:13,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113685908] [2022-07-19 17:26:13,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:13,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 17:26:13,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:13,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 17:26:13,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 17:26:13,683 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) [2022-07-19 17:26:13,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:13,898 INFO L93 Difference]: Finished difference Result 252 states and 327 transitions. [2022-07-19 17:26:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:26:13,898 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 [2022-07-19 17:26:13,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:13,904 INFO L225 Difference]: With dead ends: 252 [2022-07-19 17:26:13,905 INFO L226 Difference]: Without dead ends: 172 [2022-07-19 17:26:13,907 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 [2022-07-19 17:26:13,916 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, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:13,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 242 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 17:26:13,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-07-19 17:26:13,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 166. [2022-07-19 17:26:13,938 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) [2022-07-19 17:26:13,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 211 transitions. [2022-07-19 17:26:13,940 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 211 transitions. Word has length 47 [2022-07-19 17:26:13,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:13,940 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 211 transitions. [2022-07-19 17:26:13,940 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) [2022-07-19 17:26:13,941 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 211 transitions. [2022-07-19 17:26:13,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-19 17:26:13,942 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:13,942 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] [2022-07-19 17:26:13,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 17:26:13,943 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:13,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:13,943 INFO L85 PathProgramCache]: Analyzing trace with hash 934824757, now seen corresponding path program 1 times [2022-07-19 17:26:13,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:13,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169497496] [2022-07-19 17:26:13,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:13,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:26:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:13,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:26:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:26:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-19 17:26:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:14,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:14,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169497496] [2022-07-19 17:26:14,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169497496] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:14,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:14,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:26:14,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877110413] [2022-07-19 17:26:14,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:14,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:26:14,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:14,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:26:14,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:26:14,058 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) [2022-07-19 17:26:14,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:14,229 INFO L93 Difference]: Finished difference Result 332 states and 430 transitions. [2022-07-19 17:26:14,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 17:26:14,230 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 [2022-07-19 17:26:14,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:14,234 INFO L225 Difference]: With dead ends: 332 [2022-07-19 17:26:14,235 INFO L226 Difference]: Without dead ends: 174 [2022-07-19 17:26:14,235 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 [2022-07-19 17:26:14,240 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 [2022-07-19 17:26:14,240 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] [2022-07-19 17:26:14,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-07-19 17:26:14,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 169. [2022-07-19 17:26:14,270 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) [2022-07-19 17:26:14,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 214 transitions. [2022-07-19 17:26:14,271 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 214 transitions. Word has length 57 [2022-07-19 17:26:14,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:14,271 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 214 transitions. [2022-07-19 17:26:14,271 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) [2022-07-19 17:26:14,272 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 214 transitions. [2022-07-19 17:26:14,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-19 17:26:14,272 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:14,272 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] [2022-07-19 17:26:14,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 17:26:14,273 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:14,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:14,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1357526583, now seen corresponding path program 1 times [2022-07-19 17:26:14,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:14,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89864151] [2022-07-19 17:26:14,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:14,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:26:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:26:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:26:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-19 17:26:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:14,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:14,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89864151] [2022-07-19 17:26:14,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89864151] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:14,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:14,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:26:14,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541565038] [2022-07-19 17:26:14,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:14,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:26:14,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:14,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:26:14,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:26:14,343 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) [2022-07-19 17:26:14,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:14,466 INFO L93 Difference]: Finished difference Result 340 states and 444 transitions. [2022-07-19 17:26:14,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:26:14,467 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 [2022-07-19 17:26:14,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:14,468 INFO L225 Difference]: With dead ends: 340 [2022-07-19 17:26:14,468 INFO L226 Difference]: Without dead ends: 179 [2022-07-19 17:26:14,469 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 [2022-07-19 17:26:14,470 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 76 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-07-19 17:26:14,470 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] [2022-07-19 17:26:14,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-07-19 17:26:14,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 171. [2022-07-19 17:26:14,479 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) [2022-07-19 17:26:14,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 216 transitions. [2022-07-19 17:26:14,481 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 216 transitions. Word has length 57 [2022-07-19 17:26:14,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:14,481 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 216 transitions. [2022-07-19 17:26:14,481 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) [2022-07-19 17:26:14,481 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 216 transitions. [2022-07-19 17:26:14,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-19 17:26:14,482 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:14,482 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:14,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 17:26:14,483 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:14,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:14,483 INFO L85 PathProgramCache]: Analyzing trace with hash -447911751, now seen corresponding path program 1 times [2022-07-19 17:26:14,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:14,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088718014] [2022-07-19 17:26:14,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:14,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:26:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:26:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:26:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-19 17:26:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:14,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:14,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088718014] [2022-07-19 17:26:14,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088718014] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:14,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:14,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:26:14,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114141772] [2022-07-19 17:26:14,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:14,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:26:14,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:14,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:26:14,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:26:14,557 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) [2022-07-19 17:26:14,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:14,771 INFO L93 Difference]: Finished difference Result 484 states and 633 transitions. [2022-07-19 17:26:14,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 17:26:14,772 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 [2022-07-19 17:26:14,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:14,774 INFO L225 Difference]: With dead ends: 484 [2022-07-19 17:26:14,774 INFO L226 Difference]: Without dead ends: 321 [2022-07-19 17:26:14,775 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 [2022-07-19 17:26:14,775 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, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:14,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 367 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 17:26:14,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-07-19 17:26:14,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 313. [2022-07-19 17:26:14,792 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) [2022-07-19 17:26:14,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 399 transitions. [2022-07-19 17:26:14,794 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 399 transitions. Word has length 57 [2022-07-19 17:26:14,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:14,794 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 399 transitions. [2022-07-19 17:26:14,795 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) [2022-07-19 17:26:14,795 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 399 transitions. [2022-07-19 17:26:14,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-07-19 17:26:14,795 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:14,796 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] [2022-07-19 17:26:14,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 17:26:14,796 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:14,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:14,796 INFO L85 PathProgramCache]: Analyzing trace with hash 16145041, now seen corresponding path program 1 times [2022-07-19 17:26:14,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:14,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422551978] [2022-07-19 17:26:14,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:14,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:26:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:26:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:26:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:26:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 17:26:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:14,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-19 17:26:14,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:14,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422551978] [2022-07-19 17:26:14,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422551978] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:14,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:14,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:26:14,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078235290] [2022-07-19 17:26:14,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:14,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:26:14,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:14,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:26:14,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:26:14,881 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) [2022-07-19 17:26:15,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:15,112 INFO L93 Difference]: Finished difference Result 634 states and 821 transitions. [2022-07-19 17:26:15,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-19 17:26:15,114 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 [2022-07-19 17:26:15,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:15,117 INFO L225 Difference]: With dead ends: 634 [2022-07-19 17:26:15,117 INFO L226 Difference]: Without dead ends: 329 [2022-07-19 17:26:15,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-07-19 17:26:15,121 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, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:15,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 498 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 17:26:15,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-07-19 17:26:15,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 309. [2022-07-19 17:26:15,149 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) [2022-07-19 17:26:15,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 387 transitions. [2022-07-19 17:26:15,154 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 387 transitions. Word has length 59 [2022-07-19 17:26:15,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:15,154 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 387 transitions. [2022-07-19 17:26:15,155 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) [2022-07-19 17:26:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 387 transitions. [2022-07-19 17:26:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-07-19 17:26:15,156 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:15,157 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] [2022-07-19 17:26:15,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 17:26:15,157 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:15,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:15,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1464730591, now seen corresponding path program 1 times [2022-07-19 17:26:15,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:15,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212709853] [2022-07-19 17:26:15,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:15,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:15,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:26:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:15,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 17:26:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:15,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:26:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:15,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:26:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:15,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-19 17:26:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:15,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:26:15,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:15,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212709853] [2022-07-19 17:26:15,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212709853] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:15,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:15,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 17:26:15,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144688245] [2022-07-19 17:26:15,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:15,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 17:26:15,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:15,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 17:26:15,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:26:15,348 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) [2022-07-19 17:26:16,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:16,300 INFO L93 Difference]: Finished difference Result 965 states and 1269 transitions. [2022-07-19 17:26:16,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-07-19 17:26:16,300 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 [2022-07-19 17:26:16,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:16,304 INFO L225 Difference]: With dead ends: 965 [2022-07-19 17:26:16,305 INFO L226 Difference]: Without dead ends: 720 [2022-07-19 17:26:16,306 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 [2022-07-19 17:26:16,307 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 555 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:16,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 893 Invalid, 1191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 17:26:16,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2022-07-19 17:26:16,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 594. [2022-07-19 17:26:16,341 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) [2022-07-19 17:26:16,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 744 transitions. [2022-07-19 17:26:16,344 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 744 transitions. Word has length 61 [2022-07-19 17:26:16,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:16,345 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 744 transitions. [2022-07-19 17:26:16,345 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) [2022-07-19 17:26:16,345 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 744 transitions. [2022-07-19 17:26:16,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-19 17:26:16,347 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:16,347 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] [2022-07-19 17:26:16,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 17:26:16,347 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:16,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:16,348 INFO L85 PathProgramCache]: Analyzing trace with hash -2028217141, now seen corresponding path program 1 times [2022-07-19 17:26:16,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:16,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907202395] [2022-07-19 17:26:16,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:16,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:16,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:26:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:16,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 17:26:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:16,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:26:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:16,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 17:26:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:16,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:26:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:16,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 17:26:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:16,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 17:26:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:16,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 17:26:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:16,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:26:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:16,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-19 17:26:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:16,508 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-19 17:26:16,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:16,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907202395] [2022-07-19 17:26:16,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907202395] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:26:16,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802729189] [2022-07-19 17:26:16,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:16,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:26:16,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:26:16,511 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) [2022-07-19 17:26:16,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 17:26:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:16,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-19 17:26:16,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:26:16,867 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:26:16,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 17:26:17,054 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-19 17:26:17,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802729189] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 17:26:17,055 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 17:26:17,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2022-07-19 17:26:17,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39978308] [2022-07-19 17:26:17,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 17:26:17,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-19 17:26:17,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:17,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-19 17:26:17,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-07-19 17:26:17,057 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) [2022-07-19 17:26:17,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:17,975 INFO L93 Difference]: Finished difference Result 1279 states and 1643 transitions. [2022-07-19 17:26:17,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-07-19 17:26:17,980 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 [2022-07-19 17:26:17,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:17,985 INFO L225 Difference]: With dead ends: 1279 [2022-07-19 17:26:17,985 INFO L226 Difference]: Without dead ends: 747 [2022-07-19 17:26:17,987 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 [2022-07-19 17:26:17,988 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 [2022-07-19 17:26:17,989 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] [2022-07-19 17:26:17,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2022-07-19 17:26:18,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 659. [2022-07-19 17:26:18,030 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) [2022-07-19 17:26:18,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 792 transitions. [2022-07-19 17:26:18,035 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 792 transitions. Word has length 111 [2022-07-19 17:26:18,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:18,036 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 792 transitions. [2022-07-19 17:26:18,036 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) [2022-07-19 17:26:18,036 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 792 transitions. [2022-07-19 17:26:18,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-07-19 17:26:18,040 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:18,040 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] [2022-07-19 17:26:18,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 17:26:18,257 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 [2022-07-19 17:26:18,258 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:18,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:18,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1718593601, now seen corresponding path program 1 times [2022-07-19 17:26:18,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:18,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975535298] [2022-07-19 17:26:18,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:18,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:26:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 17:26:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:26:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 17:26:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:26:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-19 17:26:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:26:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 17:26:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 17:26:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:26:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-19 17:26:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:26:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 17:26:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-19 17:26:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-19 17:26:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:26:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-19 17:26:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:18,422 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-07-19 17:26:18,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:18,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975535298] [2022-07-19 17:26:18,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975535298] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:26:18,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:26:18,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 17:26:18,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515603505] [2022-07-19 17:26:18,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:26:18,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 17:26:18,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:18,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 17:26:18,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:26:18,425 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) [2022-07-19 17:26:19,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:19,181 INFO L93 Difference]: Finished difference Result 1852 states and 2263 transitions. [2022-07-19 17:26:19,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-19 17:26:19,182 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 [2022-07-19 17:26:19,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:19,189 INFO L225 Difference]: With dead ends: 1852 [2022-07-19 17:26:19,189 INFO L226 Difference]: Without dead ends: 1201 [2022-07-19 17:26:19,192 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 [2022-07-19 17:26:19,193 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 410 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:19,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 855 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-19 17:26:19,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2022-07-19 17:26:19,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1185. [2022-07-19 17:26:19,278 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) [2022-07-19 17:26:19,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1389 transitions. [2022-07-19 17:26:19,285 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1389 transitions. Word has length 191 [2022-07-19 17:26:19,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:19,286 INFO L495 AbstractCegarLoop]: Abstraction has 1185 states and 1389 transitions. [2022-07-19 17:26:19,286 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) [2022-07-19 17:26:19,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1389 transitions. [2022-07-19 17:26:19,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-19 17:26:19,292 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:26:19,292 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] [2022-07-19 17:26:19,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-19 17:26:19,293 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:26:19,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:26:19,293 INFO L85 PathProgramCache]: Analyzing trace with hash 757011875, now seen corresponding path program 1 times [2022-07-19 17:26:19,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:26:19,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873995049] [2022-07-19 17:26:19,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:19,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:26:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:26:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 17:26:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:26:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 17:26:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:26:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-19 17:26:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:26:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 17:26:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 17:26:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:26:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-19 17:26:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 17:26:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:26:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 17:26:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-19 17:26:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-19 17:26:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:26:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-19 17:26:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,508 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 69 proven. 5 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2022-07-19 17:26:19,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:26:19,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873995049] [2022-07-19 17:26:19,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873995049] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:26:19,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102165392] [2022-07-19 17:26:19,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:26:19,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:26:19,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:26:19,512 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) [2022-07-19 17:26:19,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 17:26:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:26:19,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-19 17:26:19,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:26:19,879 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 147 proven. 4 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-07-19 17:26:19,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 17:26:20,310 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 81 proven. 39 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-07-19 17:26:20,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102165392] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 17:26:20,311 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 17:26:20,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 26 [2022-07-19 17:26:20,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707210720] [2022-07-19 17:26:20,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 17:26:20,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-07-19 17:26:20,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:26:20,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-07-19 17:26:20,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=529, Unknown=0, NotChecked=0, Total=650 [2022-07-19 17:26:20,314 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) [2022-07-19 17:26:21,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:26:21,809 INFO L93 Difference]: Finished difference Result 2488 states and 3005 transitions. [2022-07-19 17:26:21,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-07-19 17:26:21,810 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 [2022-07-19 17:26:21,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:26:21,811 INFO L225 Difference]: With dead ends: 2488 [2022-07-19 17:26:21,811 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 17:26:21,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 418 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=557, Invalid=2095, Unknown=0, NotChecked=0, Total=2652 [2022-07-19 17:26:21,835 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 920 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 1763 mSolverCounterSat, 441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 17:26:21,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [923 Valid, 564 Invalid, 2204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [441 Valid, 1763 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 17:26:21,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 17:26:21,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 17:26:21,837 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) [2022-07-19 17:26:21,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 17:26:21,837 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2022-07-19 17:26:21,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:26:21,837 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 17:26:21,838 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) [2022-07-19 17:26:21,838 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 17:26:21,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 17:26:21,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 17:26:21,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 17:26:22,055 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 [2022-07-19 17:26:22,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 17:26:32,070 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))) [2022-07-19 17:26:32,070 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 450 457) no Hoare annotation was computed. [2022-07-19 17:26:32,070 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 450 457) no Hoare annotation was computed. [2022-07-19 17:26:32,070 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 357 363) no Hoare annotation was computed. [2022-07-19 17:26:32,070 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 357 363) the Hoare annotation is: true [2022-07-19 17:26:32,070 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))) [2022-07-19 17:26:32,070 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 135 146) no Hoare annotation was computed. [2022-07-19 17:26:32,070 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 135 146) no Hoare annotation was computed. [2022-07-19 17:26:32,070 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))) [2022-07-19 17:26:32,071 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))))))) [2022-07-19 17:26:32,071 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-07-19 17:26:32,071 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))) [2022-07-19 17:26:32,072 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))))) [2022-07-19 17:26:32,072 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 343) no Hoare annotation was computed. [2022-07-19 17:26:32,072 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))))) [2022-07-19 17:26:32,072 INFO L899 garLoopResultBuilder]: For program point L337-2(lines 333 355) no Hoare annotation was computed. [2022-07-19 17:26:32,072 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 330 356) no Hoare annotation was computed. [2022-07-19 17:26:32,072 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)|)))))) [2022-07-19 17:26:32,072 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))))) [2022-07-19 17:26:32,072 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 119) no Hoare annotation was computed. [2022-07-19 17:26:32,073 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))))) [2022-07-19 17:26:32,073 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)))) [2022-07-19 17:26:32,073 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-07-19 17:26:32,073 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 433) no Hoare annotation was computed. [2022-07-19 17:26:32,073 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 438) no Hoare annotation was computed. [2022-07-19 17:26:32,073 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)|)))))) [2022-07-19 17:26:32,073 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-07-19 17:26:32,073 INFO L899 garLoopResultBuilder]: For program point L216(line 216) no Hoare annotation was computed. [2022-07-19 17:26:32,073 INFO L899 garLoopResultBuilder]: For program point L344-1(lines 344 350) no Hoare annotation was computed. [2022-07-19 17:26:32,073 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2022-07-19 17:26:32,074 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2022-07-19 17:26:32,074 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)|)))))) [2022-07-19 17:26:32,074 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)))) [2022-07-19 17:26:32,074 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))))) [2022-07-19 17:26:32,074 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)))) [2022-07-19 17:26:32,074 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 330 356) no Hoare annotation was computed. [2022-07-19 17:26:32,075 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 216) no Hoare annotation was computed. [2022-07-19 17:26:32,075 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 223 252) no Hoare annotation was computed. [2022-07-19 17:26:32,075 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 223 252) the Hoare annotation is: true [2022-07-19 17:26:32,075 INFO L902 garLoopResultBuilder]: At program point L248(lines 223 252) the Hoare annotation is: true [2022-07-19 17:26:32,075 INFO L899 garLoopResultBuilder]: For program point L244(line 244) no Hoare annotation was computed. [2022-07-19 17:26:32,075 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 241) no Hoare annotation was computed. [2022-07-19 17:26:32,075 INFO L902 garLoopResultBuilder]: At program point L237-1(lines 237 241) the Hoare annotation is: true [2022-07-19 17:26:32,075 INFO L899 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2022-07-19 17:26:32,076 INFO L902 garLoopResultBuilder]: At program point L233-2(lines 233 247) the Hoare annotation is: true [2022-07-19 17:26:32,076 INFO L902 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: true [2022-07-19 17:26:32,076 INFO L899 garLoopResultBuilder]: For program point L229-1(line 229) no Hoare annotation was computed. [2022-07-19 17:26:32,076 INFO L899 garLoopResultBuilder]: For program point L609(lines 609 613) no Hoare annotation was computed. [2022-07-19 17:26:32,076 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)))) [2022-07-19 17:26:32,076 INFO L899 garLoopResultBuilder]: For program point L572(lines 571 618) no Hoare annotation was computed. [2022-07-19 17:26:32,076 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 614) no Hoare annotation was computed. [2022-07-19 17:26:32,076 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)))) [2022-07-19 17:26:32,076 INFO L902 garLoopResultBuilder]: At program point L622(lines 561 626) the Hoare annotation is: true [2022-07-19 17:26:32,076 INFO L899 garLoopResultBuilder]: For program point L581(lines 581 587) no Hoare annotation was computed. [2022-07-19 17:26:32,076 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 587) no Hoare annotation was computed. [2022-07-19 17:26:32,076 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)) [2022-07-19 17:26:32,076 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 17:26:32,076 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 17:26:32,076 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 577) no Hoare annotation was computed. [2022-07-19 17:26:32,077 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 17:26:32,077 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)))) [2022-07-19 17:26:32,077 INFO L895 garLoopResultBuilder]: At program point L619(lines 570 620) the Hoare annotation is: false [2022-07-19 17:26:32,077 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 17:26:32,077 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 317) no Hoare annotation was computed. [2022-07-19 17:26:32,079 INFO L899 garLoopResultBuilder]: For program point L310-2(lines 310 317) no Hoare annotation was computed. [2022-07-19 17:26:32,079 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 597) no Hoare annotation was computed. [2022-07-19 17:26:32,079 INFO L899 garLoopResultBuilder]: For program point L591-1(lines 591 597) no Hoare annotation was computed. [2022-07-19 17:26:32,079 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))) [2022-07-19 17:26:32,080 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))) [2022-07-19 17:26:32,080 INFO L902 garLoopResultBuilder]: At program point L294(lines 286 296) the Hoare annotation is: true [2022-07-19 17:26:32,081 INFO L902 garLoopResultBuilder]: At program point L319(lines 300 322) the Hoare annotation is: true [2022-07-19 17:26:32,082 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)) [2022-07-19 17:26:32,082 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)) [2022-07-19 17:26:32,082 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)) [2022-07-19 17:26:32,082 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)) [2022-07-19 17:26:32,082 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))))) [2022-07-19 17:26:32,082 INFO L899 garLoopResultBuilder]: For program point L192(lines 192 198) no Hoare annotation was computed. [2022-07-19 17:26:32,083 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))))) [2022-07-19 17:26:32,083 INFO L899 garLoopResultBuilder]: For program point L384-1(lines 365 389) no Hoare annotation was computed. [2022-07-19 17:26:32,083 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))))) [2022-07-19 17:26:32,083 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2022-07-19 17:26:32,083 INFO L899 garLoopResultBuilder]: For program point L523-2(lines 523 527) no Hoare annotation was computed. [2022-07-19 17:26:32,083 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))))) [2022-07-19 17:26:32,084 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))))) [2022-07-19 17:26:32,084 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 365 389) no Hoare annotation was computed. [2022-07-19 17:26:32,084 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))))) [2022-07-19 17:26:32,084 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 381) no Hoare annotation was computed. [2022-07-19 17:26:32,084 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 386) no Hoare annotation was computed. [2022-07-19 17:26:32,085 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 123 134) no Hoare annotation was computed. [2022-07-19 17:26:32,085 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 123 134) no Hoare annotation was computed. [2022-07-19 17:26:32,086 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))))) [2022-07-19 17:26:32,086 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))))) [2022-07-19 17:26:32,086 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))))) [2022-07-19 17:26:32,086 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))))) [2022-07-19 17:26:32,086 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))))) [2022-07-19 17:26:32,087 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 407) no Hoare annotation was computed. [2022-07-19 17:26:32,087 INFO L899 garLoopResultBuilder]: For program point L395(lines 395 412) no Hoare annotation was computed. [2022-07-19 17:26:32,087 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))))) [2022-07-19 17:26:32,087 INFO L899 garLoopResultBuilder]: For program point L542(lines 542 546) no Hoare annotation was computed. [2022-07-19 17:26:32,087 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 391 415) no Hoare annotation was computed. [2022-07-19 17:26:32,087 INFO L899 garLoopResultBuilder]: For program point L542-2(lines 542 546) no Hoare annotation was computed. [2022-07-19 17:26:32,087 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))))) [2022-07-19 17:26:32,088 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 391 415) no Hoare annotation was computed. [2022-07-19 17:26:32,088 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 469 477) no Hoare annotation was computed. [2022-07-19 17:26:32,088 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 469 477) the Hoare annotation is: true [2022-07-19 17:26:32,088 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 469 477) no Hoare annotation was computed. [2022-07-19 17:26:32,091 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:26:32,094 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 17:26:32,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 05:26:32 BoogieIcfgContainer [2022-07-19 17:26:32,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 17:26:32,156 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 17:26:32,156 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 17:26:32,157 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 17:26:32,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:26:12" (3/4) ... [2022-07-19 17:26:32,160 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 17:26:32,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-19 17:26:32,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-19 17:26:32,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-19 17:26:32,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-19 17:26:32,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-19 17:26:32,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-19 17:26:32,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-19 17:26:32,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-07-19 17:26:32,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-19 17:26:32,174 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2022-07-19 17:26:32,174 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-19 17:26:32,175 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 17:26:32,175 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 17:26:32,175 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 17:26:32,176 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:26:32,176 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:26:32,198 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))) [2022-07-19 17:26:32,199 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))) [2022-07-19 17:26:32,199 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)) [2022-07-19 17:26:32,200 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)) [2022-07-19 17:26:32,200 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)) [2022-07-19 17:26:32,201 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)) [2022-07-19 17:26:32,201 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)) [2022-07-19 17:26:32,201 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)) [2022-07-19 17:26:32,201 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)) [2022-07-19 17:26:32,202 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)) [2022-07-19 17:26:32,202 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)) [2022-07-19 17:26:32,205 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)) [2022-07-19 17:26:32,205 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)) [2022-07-19 17:26:32,237 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 17:26:32,238 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 17:26:32,238 INFO L158 Benchmark]: Toolchain (without parser) took 20495.92ms. Allocated memory was 88.1MB in the beginning and 176.2MB in the end (delta: 88.1MB). Free memory was 50.5MB in the beginning and 102.3MB in the end (delta: -51.8MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2022-07-19 17:26:32,239 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:26:32,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.52ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 50.3MB in the beginning and 77.2MB in the end (delta: -27.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-19 17:26:32,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.27ms. Allocated memory is still 111.1MB. Free memory was 77.2MB in the beginning and 74.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:26:32,240 INFO L158 Benchmark]: Boogie Preprocessor took 27.96ms. Allocated memory is still 111.1MB. Free memory was 74.7MB in the beginning and 72.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:26:32,240 INFO L158 Benchmark]: RCFGBuilder took 456.86ms. Allocated memory is still 111.1MB. Free memory was 72.9MB in the beginning and 54.9MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-19 17:26:32,240 INFO L158 Benchmark]: TraceAbstraction took 19444.16ms. Allocated memory was 111.1MB in the beginning and 176.2MB in the end (delta: 65.0MB). Free memory was 54.2MB in the beginning and 108.6MB in the end (delta: -54.5MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2022-07-19 17:26:32,240 INFO L158 Benchmark]: Witness Printer took 81.51ms. Allocated memory is still 176.2MB. Free memory was 108.6MB in the beginning and 102.3MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 17:26:32,242 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.52ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 50.3MB in the beginning and 77.2MB in the end (delta: -27.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.27ms. Allocated memory is still 111.1MB. Free memory was 77.2MB in the beginning and 74.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.96ms. Allocated memory is still 111.1MB. Free memory was 74.7MB in the beginning and 72.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.86ms. Allocated memory is still 111.1MB. Free memory was 72.9MB in the beginning and 54.9MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 19444.16ms. Allocated memory was 111.1MB in the beginning and 176.2MB in the end (delta: 65.0MB). Free memory was 54.2MB in the beginning and 108.6MB in the end (delta: -54.5MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. * Witness Printer took 81.51ms. Allocated memory is still 176.2MB. Free memory was 108.6MB in the beginning and 102.3MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 19.3s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3195 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3146 mSDsluCounter, 5748 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3992 mSDsCounter, 1239 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5084 IncrementalHoareTripleChecker+Invalid, 6323 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1239 mSolverCounterUnsat, 1756 mSDtfsCounter, 5084 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, 1.8s 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: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 277 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 2641 PreInvPairs, 3127 NumberOfFragments, 4663 HoareAnnotationTreeSize, 2641 FomulaSimplifications, 3904 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 50 FomulaSimplificationsInter, 50719 FormulaSimplificationTreeSizeReductionInter, 9.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s 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! [2022-07-19 17:26:32,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE