./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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_product47.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 303db4082dd8b7a60cb4b5043655f09159321046818373497160cd54b8948d04 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 13:16:53,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 13:16:53,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 13:16:53,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 13:16:53,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 13:16:53,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 13:16:53,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 13:16:53,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 13:16:53,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 13:16:53,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 13:16:53,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 13:16:53,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 13:16:53,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 13:16:53,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 13:16:53,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 13:16:53,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 13:16:53,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 13:16:53,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 13:16:53,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 13:16:53,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 13:16:53,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 13:16:53,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 13:16:53,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 13:16:53,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 13:16:53,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 13:16:54,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 13:16:54,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 13:16:54,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 13:16:54,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 13:16:54,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 13:16:54,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 13:16:54,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 13:16:54,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 13:16:54,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 13:16:54,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 13:16:54,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 13:16:54,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 13:16:54,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 13:16:54,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 13:16:54,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 13:16:54,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 13:16:54,011 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 13:16:54,037 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 13:16:54,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 13:16:54,039 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 13:16:54,039 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 13:16:54,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 13:16:54,040 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 13:16:54,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 13:16:54,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 13:16:54,041 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 13:16:54,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 13:16:54,042 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 13:16:54,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 13:16:54,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 13:16:54,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 13:16:54,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 13:16:54,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 13:16:54,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 13:16:54,044 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 13:16:54,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 13:16:54,044 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 13:16:54,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 13:16:54,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 13:16:54,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 13:16:54,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 13:16:54,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:16:54,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 13:16:54,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 13:16:54,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 13:16:54,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 13:16:54,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 13:16:54,047 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 13:16:54,047 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 13:16:54,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 13:16:54,048 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 13:16:54,048 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 303db4082dd8b7a60cb4b5043655f09159321046818373497160cd54b8948d04 [2021-12-21 13:16:54,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 13:16:54,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 13:16:54,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 13:16:54,312 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 13:16:54,312 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 13:16:54,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2021-12-21 13:16:54,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5a15b6ce/d645c00e567e41b5a6f58ae9594da0e9/FLAG5c8a24687 [2021-12-21 13:16:54,848 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 13:16:54,849 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2021-12-21 13:16:54,871 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5a15b6ce/d645c00e567e41b5a6f58ae9594da0e9/FLAG5c8a24687 [2021-12-21 13:16:55,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5a15b6ce/d645c00e567e41b5a6f58ae9594da0e9 [2021-12-21 13:16:55,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 13:16:55,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 13:16:55,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 13:16:55,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 13:16:55,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 13:16:55,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:16:55" (1/1) ... [2021-12-21 13:16:55,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484913c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:55, skipping insertion in model container [2021-12-21 13:16:55,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:16:55" (1/1) ... [2021-12-21 13:16:55,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 13:16:55,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 13:16:55,559 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_product47.cil.c[1605,1618] [2021-12-21 13:16:55,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:16:55,661 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 13:16:55,682 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_product47.cil.c[1605,1618] [2021-12-21 13:16:55,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:16:55,786 INFO L208 MainTranslator]: Completed translation [2021-12-21 13:16:55,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:55 WrapperNode [2021-12-21 13:16:55,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 13:16:55,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 13:16:55,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 13:16:55,788 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 13:16:55,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:55" (1/1) ... [2021-12-21 13:16:55,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:55" (1/1) ... [2021-12-21 13:16:55,845 INFO L137 Inliner]: procedures = 57, calls = 160, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 267 [2021-12-21 13:16:55,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 13:16:55,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 13:16:55,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 13:16:55,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 13:16:55,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:55" (1/1) ... [2021-12-21 13:16:55,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:55" (1/1) ... [2021-12-21 13:16:55,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:55" (1/1) ... [2021-12-21 13:16:55,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:55" (1/1) ... [2021-12-21 13:16:55,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:55" (1/1) ... [2021-12-21 13:16:55,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:55" (1/1) ... [2021-12-21 13:16:55,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:55" (1/1) ... [2021-12-21 13:16:55,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 13:16:55,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 13:16:55,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 13:16:55,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 13:16:55,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:55" (1/1) ... [2021-12-21 13:16:55,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:16:55,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:16:55,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 13:16:55,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 13:16:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 13:16:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-21 13:16:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-21 13:16:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-21 13:16:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-21 13:16:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-21 13:16:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-21 13:16:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-21 13:16:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-21 13:16:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-21 13:16:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-21 13:16:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-21 13:16:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-21 13:16:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-21 13:16:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-21 13:16:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-21 13:16:55,945 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-21 13:16:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 13:16:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-21 13:16:55,945 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-21 13:16:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 13:16:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 13:16:56,064 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 13:16:56,066 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 13:16:56,422 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 13:16:56,430 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 13:16:56,430 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 13:16:56,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:16:56 BoogieIcfgContainer [2021-12-21 13:16:56,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 13:16:56,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 13:16:56,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 13:16:56,441 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 13:16:56,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 01:16:55" (1/3) ... [2021-12-21 13:16:56,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b41870d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:16:56, skipping insertion in model container [2021-12-21 13:16:56,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:16:55" (2/3) ... [2021-12-21 13:16:56,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b41870d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:16:56, skipping insertion in model container [2021-12-21 13:16:56,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:16:56" (3/3) ... [2021-12-21 13:16:56,444 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2021-12-21 13:16:56,448 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 13:16:56,448 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 13:16:56,492 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 13:16:56,499 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 13:16:56,499 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 13:16:56,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 78 states have (on average 1.358974358974359) internal successors, (106), 87 states have internal predecessors, (106), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2021-12-21 13:16:56,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-21 13:16:56,537 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:56,538 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:56,539 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:56,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:56,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1870870440, now seen corresponding path program 1 times [2021-12-21 13:16:56,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:56,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112731176] [2021-12-21 13:16:56,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:56,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:56,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 13:16:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:56,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 13:16:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:56,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:56,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:56,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112731176] [2021-12-21 13:16:56,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112731176] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:56,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:56,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 13:16:56,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57487913] [2021-12-21 13:16:56,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:56,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 13:16:56,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:56,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 13:16:56,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 13:16:56,862 INFO L87 Difference]: Start difference. First operand has 105 states, 78 states have (on average 1.358974358974359) internal successors, (106), 87 states have internal predecessors, (106), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 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) [2021-12-21 13:16:56,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:56,908 INFO L93 Difference]: Finished difference Result 201 states and 270 transitions. [2021-12-21 13:16:56,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 13:16:56,910 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 [2021-12-21 13:16:56,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:56,919 INFO L225 Difference]: With dead ends: 201 [2021-12-21 13:16:56,919 INFO L226 Difference]: Without dead ends: 96 [2021-12-21 13:16:56,926 INFO L932 BasicCegarLoop]: 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 [2021-12-21 13:16:56,930 INFO L933 BasicCegarLoop]: 132 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, 132 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:56,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:56,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-12-21 13:16:56,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-12-21 13:16:56,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 71 states have (on average 1.295774647887324) internal successors, (92), 79 states have internal predecessors, (92), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-21 13:16:56,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 123 transitions. [2021-12-21 13:16:56,987 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 123 transitions. Word has length 32 [2021-12-21 13:16:56,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:56,988 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 123 transitions. [2021-12-21 13:16:56,988 INFO L471 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) [2021-12-21 13:16:56,988 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2021-12-21 13:16:56,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-21 13:16:56,996 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:56,996 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:56,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 13:16:56,997 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:56,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:56,999 INFO L85 PathProgramCache]: Analyzing trace with hash 746670416, now seen corresponding path program 1 times [2021-12-21 13:16:56,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:56,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157014391] [2021-12-21 13:16:56,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:57,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:57,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:57,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-21 13:16:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:57,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:57,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:57,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157014391] [2021-12-21 13:16:57,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157014391] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:57,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:57,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 13:16:57,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014096301] [2021-12-21 13:16:57,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:57,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:16:57,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:57,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:16:57,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:16:57,086 INFO L87 Difference]: Start difference. First operand 96 states and 123 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2021-12-21 13:16:57,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:57,128 INFO L93 Difference]: Finished difference Result 271 states and 355 transitions. [2021-12-21 13:16:57,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:16:57,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 37 [2021-12-21 13:16:57,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:57,135 INFO L225 Difference]: With dead ends: 271 [2021-12-21 13:16:57,135 INFO L226 Difference]: Without dead ends: 183 [2021-12-21 13:16:57,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 13:16:57,138 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 98 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:57,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 262 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:16:57,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-12-21 13:16:57,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 180. [2021-12-21 13:16:57,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 131 states have (on average 1.3129770992366412) internal successors, (172), 146 states have internal predecessors, (172), 32 states have call successors, (32), 18 states have call predecessors, (32), 16 states have return successors, (30), 23 states have call predecessors, (30), 30 states have call successors, (30) [2021-12-21 13:16:57,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 234 transitions. [2021-12-21 13:16:57,162 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 234 transitions. Word has length 37 [2021-12-21 13:16:57,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:57,163 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 234 transitions. [2021-12-21 13:16:57,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2021-12-21 13:16:57,164 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 234 transitions. [2021-12-21 13:16:57,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-12-21 13:16:57,168 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:57,168 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:57,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 13:16:57,168 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:57,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:57,169 INFO L85 PathProgramCache]: Analyzing trace with hash -53536643, now seen corresponding path program 1 times [2021-12-21 13:16:57,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:57,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61054338] [2021-12-21 13:16:57,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:57,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:57,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 13:16:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:57,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 13:16:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:57,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:16:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:57,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 13:16:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:57,247 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:57,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:57,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61054338] [2021-12-21 13:16:57,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61054338] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:57,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:57,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 13:16:57,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649936710] [2021-12-21 13:16:57,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:57,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 13:16:57,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:57,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 13:16:57,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 13:16:57,251 INFO L87 Difference]: Start difference. First operand 180 states and 234 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-21 13:16:57,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:57,376 INFO L93 Difference]: Finished difference Result 322 states and 415 transitions. [2021-12-21 13:16:57,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 13:16:57,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2021-12-21 13:16:57,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:57,379 INFO L225 Difference]: With dead ends: 322 [2021-12-21 13:16:57,382 INFO L226 Difference]: Without dead ends: 192 [2021-12-21 13:16:57,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 13:16:57,384 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 72 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:57,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 199 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:16:57,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2021-12-21 13:16:57,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 162. [2021-12-21 13:16:57,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 119 states have (on average 1.3277310924369747) internal successors, (158), 134 states have internal predecessors, (158), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 19 states have call predecessors, (26), 26 states have call successors, (26) [2021-12-21 13:16:57,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 210 transitions. [2021-12-21 13:16:57,416 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 210 transitions. Word has length 43 [2021-12-21 13:16:57,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:57,417 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 210 transitions. [2021-12-21 13:16:57,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-21 13:16:57,419 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 210 transitions. [2021-12-21 13:16:57,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-21 13:16:57,422 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:57,422 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:57,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 13:16:57,422 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:57,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:57,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1079510586, now seen corresponding path program 1 times [2021-12-21 13:16:57,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:57,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773005072] [2021-12-21 13:16:57,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:57,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:57,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-21 13:16:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:57,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 13:16:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:57,516 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-21 13:16:57,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:57,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773005072] [2021-12-21 13:16:57,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773005072] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:57,517 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:57,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:16:57,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420774944] [2021-12-21 13:16:57,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:57,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:16:57,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:57,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:16:57,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:16:57,519 INFO L87 Difference]: Start difference. First operand 162 states and 210 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:16:57,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:57,634 INFO L93 Difference]: Finished difference Result 428 states and 563 transitions. [2021-12-21 13:16:57,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 13:16:57,635 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-12-21 13:16:57,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:57,642 INFO L225 Difference]: With dead ends: 428 [2021-12-21 13:16:57,642 INFO L226 Difference]: Without dead ends: 274 [2021-12-21 13:16:57,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-21 13:16:57,652 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 58 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:57,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 514 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:16:57,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2021-12-21 13:16:57,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 261. [2021-12-21 13:16:57,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 194 states have (on average 1.2783505154639174) internal successors, (248), 211 states have internal predecessors, (248), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2021-12-21 13:16:57,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 328 transitions. [2021-12-21 13:16:57,677 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 328 transitions. Word has length 41 [2021-12-21 13:16:57,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:57,677 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 328 transitions. [2021-12-21 13:16:57,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-21 13:16:57,678 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 328 transitions. [2021-12-21 13:16:57,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-12-21 13:16:57,679 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:57,679 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:57,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 13:16:57,679 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:57,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:57,680 INFO L85 PathProgramCache]: Analyzing trace with hash -298139813, now seen corresponding path program 1 times [2021-12-21 13:16:57,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:57,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506134669] [2021-12-21 13:16:57,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:57,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:57,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:57,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 13:16:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:57,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:16:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:57,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 13:16:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:57,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:57,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:57,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506134669] [2021-12-21 13:16:57,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506134669] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:57,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:57,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:16:57,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424201109] [2021-12-21 13:16:57,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:57,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:16:57,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:57,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:16:57,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:16:57,784 INFO L87 Difference]: Start difference. First operand 261 states and 328 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 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) [2021-12-21 13:16:57,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:57,937 INFO L93 Difference]: Finished difference Result 578 states and 747 transitions. [2021-12-21 13:16:57,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 13:16:57,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 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 59 [2021-12-21 13:16:57,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:57,940 INFO L225 Difference]: With dead ends: 578 [2021-12-21 13:16:57,940 INFO L226 Difference]: Without dead ends: 325 [2021-12-21 13:16:57,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-21 13:16:57,942 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 71 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:57,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 406 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 13:16:57,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-12-21 13:16:57,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 313. [2021-12-21 13:16:57,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 236 states have (on average 1.2627118644067796) internal successors, (298), 253 states have internal predecessors, (298), 40 states have call successors, (40), 30 states have call predecessors, (40), 36 states have return successors, (54), 41 states have call predecessors, (54), 40 states have call successors, (54) [2021-12-21 13:16:57,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 392 transitions. [2021-12-21 13:16:57,967 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 392 transitions. Word has length 59 [2021-12-21 13:16:57,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:57,968 INFO L470 AbstractCegarLoop]: Abstraction has 313 states and 392 transitions. [2021-12-21 13:16:57,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 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) [2021-12-21 13:16:57,968 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 392 transitions. [2021-12-21 13:16:57,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-12-21 13:16:57,969 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:57,969 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:57,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 13:16:57,970 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:57,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:57,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1625088221, now seen corresponding path program 1 times [2021-12-21 13:16:57,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:57,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595799250] [2021-12-21 13:16:57,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:57,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:58,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:58,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 13:16:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:58,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:16:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:58,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 13:16:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:58,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:58,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:58,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595799250] [2021-12-21 13:16:58,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595799250] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:58,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:58,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 13:16:58,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275991178] [2021-12-21 13:16:58,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:58,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 13:16:58,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:58,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 13:16:58,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 13:16:58,080 INFO L87 Difference]: Start difference. First operand 313 states and 392 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-21 13:16:58,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:58,341 INFO L93 Difference]: Finished difference Result 648 states and 829 transitions. [2021-12-21 13:16:58,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-21 13:16:58,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 59 [2021-12-21 13:16:58,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:58,344 INFO L225 Difference]: With dead ends: 648 [2021-12-21 13:16:58,344 INFO L226 Difference]: Without dead ends: 343 [2021-12-21 13:16:58,345 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:16:58,347 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 241 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:58,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 439 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 13:16:58,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2021-12-21 13:16:58,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 317. [2021-12-21 13:16:58,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 240 states have (on average 1.2583333333333333) internal successors, (302), 257 states have internal predecessors, (302), 40 states have call successors, (40), 30 states have call predecessors, (40), 36 states have return successors, (54), 41 states have call predecessors, (54), 40 states have call successors, (54) [2021-12-21 13:16:58,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 396 transitions. [2021-12-21 13:16:58,386 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 396 transitions. Word has length 59 [2021-12-21 13:16:58,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:58,387 INFO L470 AbstractCegarLoop]: Abstraction has 317 states and 396 transitions. [2021-12-21 13:16:58,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-21 13:16:58,387 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 396 transitions. [2021-12-21 13:16:58,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-12-21 13:16:58,388 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:58,388 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:58,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 13:16:58,389 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:58,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:58,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1283675681, now seen corresponding path program 1 times [2021-12-21 13:16:58,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:58,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86361163] [2021-12-21 13:16:58,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:58,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:58,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:16:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:58,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 13:16:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:58,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:16:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:58,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-21 13:16:58,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:58,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:58,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:58,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86361163] [2021-12-21 13:16:58,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86361163] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:58,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:58,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 13:16:58,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935327677] [2021-12-21 13:16:58,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:58,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 13:16:58,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:58,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 13:16:58,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 13:16:58,515 INFO L87 Difference]: Start difference. First operand 317 states and 396 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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) [2021-12-21 13:16:58,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:58,746 INFO L93 Difference]: Finished difference Result 898 states and 1165 transitions. [2021-12-21 13:16:58,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 13:16:58,747 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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 59 [2021-12-21 13:16:58,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:58,751 INFO L225 Difference]: With dead ends: 898 [2021-12-21 13:16:58,751 INFO L226 Difference]: Without dead ends: 589 [2021-12-21 13:16:58,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:16:58,753 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 233 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:58,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 347 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 13:16:58,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2021-12-21 13:16:58,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 582. [2021-12-21 13:16:58,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 439 states have (on average 1.2300683371298406) internal successors, (540), 465 states have internal predecessors, (540), 77 states have call successors, (77), 63 states have call predecessors, (77), 65 states have return successors, (115), 76 states have call predecessors, (115), 77 states have call successors, (115) [2021-12-21 13:16:58,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 732 transitions. [2021-12-21 13:16:58,790 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 732 transitions. Word has length 59 [2021-12-21 13:16:58,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:58,792 INFO L470 AbstractCegarLoop]: Abstraction has 582 states and 732 transitions. [2021-12-21 13:16:58,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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) [2021-12-21 13:16:58,792 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 732 transitions. [2021-12-21 13:16:58,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-21 13:16:58,794 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:58,794 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:58,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 13:16:58,795 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:58,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:58,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1565994427, now seen corresponding path program 1 times [2021-12-21 13:16:58,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:58,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344814775] [2021-12-21 13:16:58,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:58,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:58,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:16:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:58,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-21 13:16:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:58,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-21 13:16:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:58,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:16:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:58,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 13:16:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:16:58,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-21 13:16:58,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:16:58,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344814775] [2021-12-21 13:16:58,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344814775] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:16:58,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:16:58,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-21 13:16:58,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794051549] [2021-12-21 13:16:58,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:16:58,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-21 13:16:58,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:16:58,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-21 13:16:58,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-21 13:16:58,931 INFO L87 Difference]: Start difference. First operand 582 states and 732 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 8 states have internal predecessors, (50), 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) [2021-12-21 13:16:59,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:16:59,894 INFO L93 Difference]: Finished difference Result 1865 states and 2460 transitions. [2021-12-21 13:16:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-21 13:16:59,895 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 8 states have internal predecessors, (50), 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 63 [2021-12-21 13:16:59,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:16:59,902 INFO L225 Difference]: With dead ends: 1865 [2021-12-21 13:16:59,902 INFO L226 Difference]: Without dead ends: 1394 [2021-12-21 13:16:59,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2021-12-21 13:16:59,906 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 603 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-21 13:16:59,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [614 Valid, 890 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-21 13:16:59,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2021-12-21 13:16:59,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1135. [2021-12-21 13:16:59,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 854 states have (on average 1.2271662763466042) internal successors, (1048), 911 states have internal predecessors, (1048), 152 states have call successors, (152), 112 states have call predecessors, (152), 128 states have return successors, (230), 150 states have call predecessors, (230), 152 states have call successors, (230) [2021-12-21 13:16:59,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1430 transitions. [2021-12-21 13:16:59,974 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1430 transitions. Word has length 63 [2021-12-21 13:16:59,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:16:59,974 INFO L470 AbstractCegarLoop]: Abstraction has 1135 states and 1430 transitions. [2021-12-21 13:16:59,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 8 states have internal predecessors, (50), 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) [2021-12-21 13:16:59,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1430 transitions. [2021-12-21 13:16:59,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-21 13:16:59,976 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:16:59,976 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:16:59,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 13:16:59,977 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:16:59,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:16:59,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1171557300, now seen corresponding path program 1 times [2021-12-21 13:16:59,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:16:59,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808080802] [2021-12-21 13:16:59,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:16:59,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:16:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:17:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 13:17:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:17:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:17:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:17:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-21 13:17:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 13:17:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-21 13:17:00,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:17:00,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808080802] [2021-12-21 13:17:00,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808080802] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:17:00,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:17:00,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:17:00,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293973439] [2021-12-21 13:17:00,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:17:00,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:17:00,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:17:00,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:17:00,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:17:00,100 INFO L87 Difference]: Start difference. First operand 1135 states and 1430 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2021-12-21 13:17:00,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:17:00,384 INFO L93 Difference]: Finished difference Result 1371 states and 1719 transitions. [2021-12-21 13:17:00,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-21 13:17:00,384 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 93 [2021-12-21 13:17:00,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:17:00,387 INFO L225 Difference]: With dead ends: 1371 [2021-12-21 13:17:00,387 INFO L226 Difference]: Without dead ends: 582 [2021-12-21 13:17:00,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2021-12-21 13:17:00,390 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 297 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:17:00,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 366 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 13:17:00,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2021-12-21 13:17:00,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 556. [2021-12-21 13:17:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 419 states have (on average 1.1933174224343674) internal successors, (500), 445 states have internal predecessors, (500), 73 states have call successors, (73), 55 states have call predecessors, (73), 63 states have return successors, (112), 73 states have call predecessors, (112), 73 states have call successors, (112) [2021-12-21 13:17:00,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 685 transitions. [2021-12-21 13:17:00,422 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 685 transitions. Word has length 93 [2021-12-21 13:17:00,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:17:00,423 INFO L470 AbstractCegarLoop]: Abstraction has 556 states and 685 transitions. [2021-12-21 13:17:00,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 4 states have internal predecessors, (74), 4 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2021-12-21 13:17:00,423 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 685 transitions. [2021-12-21 13:17:00,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-21 13:17:00,424 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:17:00,425 INFO L514 BasicCegarLoop]: 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] [2021-12-21 13:17:00,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 13:17:00,425 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:17:00,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:17:00,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1917161194, now seen corresponding path program 1 times [2021-12-21 13:17:00,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:17:00,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397038726] [2021-12-21 13:17:00,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:00,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:17:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:17:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 13:17:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:17:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:17:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:17:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-21 13:17:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-21 13:17:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-21 13:17:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:17:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 13:17:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,578 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-21 13:17:00,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:17:00,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397038726] [2021-12-21 13:17:00,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397038726] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:17:00,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833387941] [2021-12-21 13:17:00,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:00,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:17:00,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:17:00,587 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:17:00,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 13:17:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:00,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 13:17:00,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:17:01,045 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 13:17:01,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:17:01,291 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-21 13:17:01,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833387941] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:17:01,292 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:17:01,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2021-12-21 13:17:01,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938117199] [2021-12-21 13:17:01,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:17:01,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-21 13:17:01,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:17:01,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-21 13:17:01,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-12-21 13:17:01,294 INFO L87 Difference]: Start difference. First operand 556 states and 685 transitions. Second operand has 15 states, 15 states have (on average 9.066666666666666) internal successors, (136), 10 states have internal predecessors, (136), 6 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (21), 8 states have call predecessors, (21), 6 states have call successors, (21) [2021-12-21 13:17:02,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:17:02,219 INFO L93 Difference]: Finished difference Result 1189 states and 1499 transitions. [2021-12-21 13:17:02,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-21 13:17:02,220 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.066666666666666) internal successors, (136), 10 states have internal predecessors, (136), 6 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (21), 8 states have call predecessors, (21), 6 states have call successors, (21) Word has length 106 [2021-12-21 13:17:02,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:17:02,223 INFO L225 Difference]: With dead ends: 1189 [2021-12-21 13:17:02,223 INFO L226 Difference]: Without dead ends: 689 [2021-12-21 13:17:02,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 239 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=441, Invalid=1451, Unknown=0, NotChecked=0, Total=1892 [2021-12-21 13:17:02,226 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 368 mSDsluCounter, 1010 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-21 13:17:02,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [371 Valid, 1229 Invalid, 1188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-21 13:17:02,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2021-12-21 13:17:02,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 617. [2021-12-21 13:17:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 459 states have (on average 1.1764705882352942) internal successors, (540), 493 states have internal predecessors, (540), 83 states have call successors, (83), 69 states have call predecessors, (83), 74 states have return successors, (108), 78 states have call predecessors, (108), 83 states have call successors, (108) [2021-12-21 13:17:02,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 731 transitions. [2021-12-21 13:17:02,264 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 731 transitions. Word has length 106 [2021-12-21 13:17:02,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:17:02,265 INFO L470 AbstractCegarLoop]: Abstraction has 617 states and 731 transitions. [2021-12-21 13:17:02,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.066666666666666) internal successors, (136), 10 states have internal predecessors, (136), 6 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (21), 8 states have call predecessors, (21), 6 states have call successors, (21) [2021-12-21 13:17:02,265 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 731 transitions. [2021-12-21 13:17:02,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-12-21 13:17:02,268 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:17:02,268 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 13:17:02,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 13:17:02,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-21 13:17:02,484 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:17:02,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:17:02,484 INFO L85 PathProgramCache]: Analyzing trace with hash 670646930, now seen corresponding path program 1 times [2021-12-21 13:17:02,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:17:02,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505727837] [2021-12-21 13:17:02,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:02,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:17:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:17:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 13:17:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:17:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:17:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:17:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 13:17:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:17:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:17:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 13:17:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:17:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-21 13:17:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:17:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:17:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 13:17:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 13:17:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-21 13:17:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-21 13:17:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:17:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-21 13:17:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,701 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 84 proven. 13 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-12-21 13:17:02,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:17:02,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505727837] [2021-12-21 13:17:02,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505727837] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:17:02,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302100220] [2021-12-21 13:17:02,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:02,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:17:02,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:17:02,704 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:17:02,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 13:17:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:02,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-21 13:17:02,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:17:03,266 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 158 proven. 4 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-21 13:17:03,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:17:03,958 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 78 proven. 42 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-21 13:17:03,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302100220] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:17:03,959 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:17:03,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 11] total 28 [2021-12-21 13:17:03,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794743238] [2021-12-21 13:17:03,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:17:03,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-21 13:17:03,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:17:03,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-21 13:17:03,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=632, Unknown=0, NotChecked=0, Total=756 [2021-12-21 13:17:03,962 INFO L87 Difference]: Start difference. First operand 617 states and 731 transitions. Second operand has 28 states, 28 states have (on average 7.535714285714286) internal successors, (211), 22 states have internal predecessors, (211), 10 states have call successors, (37), 8 states have call predecessors, (37), 11 states have return successors, (41), 11 states have call predecessors, (41), 10 states have call successors, (41) [2021-12-21 13:17:06,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:17:06,047 INFO L93 Difference]: Finished difference Result 1768 states and 2177 transitions. [2021-12-21 13:17:06,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-12-21 13:17:06,048 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 7.535714285714286) internal successors, (211), 22 states have internal predecessors, (211), 10 states have call successors, (37), 8 states have call predecessors, (37), 11 states have return successors, (41), 11 states have call predecessors, (41), 10 states have call successors, (41) Word has length 195 [2021-12-21 13:17:06,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:17:06,053 INFO L225 Difference]: With dead ends: 1768 [2021-12-21 13:17:06,053 INFO L226 Difference]: Without dead ends: 1159 [2021-12-21 13:17:06,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 426 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1487 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1066, Invalid=4786, Unknown=0, NotChecked=0, Total=5852 [2021-12-21 13:17:06,058 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 1138 mSDsluCounter, 1296 mSDsCounter, 0 mSdLazyCounter, 2597 mSolverCounterSat, 492 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1138 SdHoareTripleChecker+Valid, 1473 SdHoareTripleChecker+Invalid, 3089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 492 IncrementalHoareTripleChecker+Valid, 2597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-21 13:17:06,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1138 Valid, 1473 Invalid, 3089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [492 Valid, 2597 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-21 13:17:06,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2021-12-21 13:17:06,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 1087. [2021-12-21 13:17:06,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 818 states have (on average 1.117359413202934) internal successors, (914), 864 states have internal predecessors, (914), 145 states have call successors, (145), 125 states have call predecessors, (145), 123 states have return successors, (168), 130 states have call predecessors, (168), 145 states have call successors, (168) [2021-12-21 13:17:06,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1227 transitions. [2021-12-21 13:17:06,124 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1227 transitions. Word has length 195 [2021-12-21 13:17:06,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:17:06,124 INFO L470 AbstractCegarLoop]: Abstraction has 1087 states and 1227 transitions. [2021-12-21 13:17:06,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 7.535714285714286) internal successors, (211), 22 states have internal predecessors, (211), 10 states have call successors, (37), 8 states have call predecessors, (37), 11 states have return successors, (41), 11 states have call predecessors, (41), 10 states have call successors, (41) [2021-12-21 13:17:06,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1227 transitions. [2021-12-21 13:17:06,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-12-21 13:17:06,128 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:17:06,128 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 13:17:06,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-21 13:17:06,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-21 13:17:06,344 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:17:06,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:17:06,344 INFO L85 PathProgramCache]: Analyzing trace with hash 2132410704, now seen corresponding path program 1 times [2021-12-21 13:17:06,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:17:06,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138632976] [2021-12-21 13:17:06,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:06,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:17:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:17:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 13:17:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:17:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:17:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:17:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 13:17:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:17:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:17:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 13:17:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:17:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-21 13:17:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 13:17:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-21 13:17:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:17:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:17:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 13:17:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 13:17:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-21 13:17:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-21 13:17:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 13:17:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:17:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-21 13:17:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,509 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 86 proven. 53 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-12-21 13:17:06,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:17:06,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138632976] [2021-12-21 13:17:06,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138632976] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:17:06,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545750213] [2021-12-21 13:17:06,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:06,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:17:06,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:17:06,511 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:17:06,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-21 13:17:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:06,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 13:17:06,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:17:07,023 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 195 proven. 9 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-12-21 13:17:07,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:17:07,624 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 99 proven. 54 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-12-21 13:17:07,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545750213] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:17:07,624 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:17:07,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 22 [2021-12-21 13:17:07,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600520858] [2021-12-21 13:17:07,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:17:07,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-21 13:17:07,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:17:07,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-21 13:17:07,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2021-12-21 13:17:07,627 INFO L87 Difference]: Start difference. First operand 1087 states and 1227 transitions. Second operand has 22 states, 22 states have (on average 10.363636363636363) internal successors, (228), 15 states have internal predecessors, (228), 7 states have call successors, (48), 8 states have call predecessors, (48), 11 states have return successors, (42), 10 states have call predecessors, (42), 7 states have call successors, (42) [2021-12-21 13:17:08,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:17:08,895 INFO L93 Difference]: Finished difference Result 2124 states and 2428 transitions. [2021-12-21 13:17:08,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-21 13:17:08,895 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 10.363636363636363) internal successors, (228), 15 states have internal predecessors, (228), 7 states have call successors, (48), 8 states have call predecessors, (48), 11 states have return successors, (42), 10 states have call predecessors, (42), 7 states have call successors, (42) Word has length 211 [2021-12-21 13:17:08,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:17:08,900 INFO L225 Difference]: With dead ends: 2124 [2021-12-21 13:17:08,900 INFO L226 Difference]: Without dead ends: 1141 [2021-12-21 13:17:08,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 467 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=483, Invalid=1869, Unknown=0, NotChecked=0, Total=2352 [2021-12-21 13:17:08,904 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 598 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 1552 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 1840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 1552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-21 13:17:08,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [602 Valid, 565 Invalid, 1840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 1552 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-21 13:17:08,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2021-12-21 13:17:08,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1085. [2021-12-21 13:17:08,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 818 states have (on average 1.10880195599022) internal successors, (907), 862 states have internal predecessors, (907), 139 states have call successors, (139), 127 states have call predecessors, (139), 127 states have return successors, (162), 128 states have call predecessors, (162), 139 states have call successors, (162) [2021-12-21 13:17:08,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1208 transitions. [2021-12-21 13:17:08,985 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1208 transitions. Word has length 211 [2021-12-21 13:17:08,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:17:08,985 INFO L470 AbstractCegarLoop]: Abstraction has 1085 states and 1208 transitions. [2021-12-21 13:17:08,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 10.363636363636363) internal successors, (228), 15 states have internal predecessors, (228), 7 states have call successors, (48), 8 states have call predecessors, (48), 11 states have return successors, (42), 10 states have call predecessors, (42), 7 states have call successors, (42) [2021-12-21 13:17:08,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1208 transitions. [2021-12-21 13:17:08,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-21 13:17:08,989 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:17:08,989 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 4, 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-21 13:17:09,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-21 13:17:09,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:17:09,204 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:17:09,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:17:09,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1954980905, now seen corresponding path program 1 times [2021-12-21 13:17:09,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:17:09,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865015467] [2021-12-21 13:17:09,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:09,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:17:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:17:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 13:17:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:17:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:17:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:17:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 13:17:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:17:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:17:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 13:17:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:17:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-21 13:17:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 13:17:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-21 13:17:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:17:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:17:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 13:17:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 13:17:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-21 13:17:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-21 13:17:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 13:17:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:17:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-21 13:17:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,416 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 73 proven. 31 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-12-21 13:17:09,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:17:09,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865015467] [2021-12-21 13:17:09,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865015467] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:17:09,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772581324] [2021-12-21 13:17:09,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:09,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:17:09,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:17:09,418 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:17:09,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-21 13:17:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:09,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-21 13:17:09,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:17:09,964 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 138 proven. 26 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-12-21 13:17:09,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:17:10,717 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 99 proven. 45 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-12-21 13:17:10,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772581324] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:17:10,718 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:17:10,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 13] total 28 [2021-12-21 13:17:10,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303394156] [2021-12-21 13:17:10,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:17:10,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-21 13:17:10,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:17:10,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-21 13:17:10,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=640, Unknown=0, NotChecked=0, Total=756 [2021-12-21 13:17:10,722 INFO L87 Difference]: Start difference. First operand 1085 states and 1208 transitions. Second operand has 28 states, 28 states have (on average 9.285714285714286) internal successors, (260), 22 states have internal predecessors, (260), 14 states have call successors, (51), 12 states have call predecessors, (51), 15 states have return successors, (52), 15 states have call predecessors, (52), 14 states have call successors, (52) [2021-12-21 13:17:13,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:17:13,850 INFO L93 Difference]: Finished difference Result 2390 states and 2704 transitions. [2021-12-21 13:17:13,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-12-21 13:17:13,851 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 9.285714285714286) internal successors, (260), 22 states have internal predecessors, (260), 14 states have call successors, (51), 12 states have call predecessors, (51), 15 states have return successors, (52), 15 states have call predecessors, (52), 14 states have call successors, (52) Word has length 212 [2021-12-21 13:17:13,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:17:13,857 INFO L225 Difference]: With dead ends: 2390 [2021-12-21 13:17:13,857 INFO L226 Difference]: Without dead ends: 1415 [2021-12-21 13:17:13,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 471 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2070 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1571, Invalid=6439, Unknown=0, NotChecked=0, Total=8010 [2021-12-21 13:17:13,863 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 2588 mSDsluCounter, 953 mSDsCounter, 0 mSdLazyCounter, 3926 mSolverCounterSat, 1434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2588 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 5360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1434 IncrementalHoareTripleChecker+Valid, 3926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-21 13:17:13,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2588 Valid, 1295 Invalid, 5360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1434 Valid, 3926 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-21 13:17:13,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2021-12-21 13:17:13,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1270. [2021-12-21 13:17:13,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1270 states, 958 states have (on average 1.0991649269311066) internal successors, (1053), 994 states have internal predecessors, (1053), 166 states have call successors, (166), 153 states have call predecessors, (166), 145 states have return successors, (183), 148 states have call predecessors, (183), 166 states have call successors, (183) [2021-12-21 13:17:13,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1402 transitions. [2021-12-21 13:17:13,946 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1402 transitions. Word has length 212 [2021-12-21 13:17:13,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:17:13,947 INFO L470 AbstractCegarLoop]: Abstraction has 1270 states and 1402 transitions. [2021-12-21 13:17:13,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 9.285714285714286) internal successors, (260), 22 states have internal predecessors, (260), 14 states have call successors, (51), 12 states have call predecessors, (51), 15 states have return successors, (52), 15 states have call predecessors, (52), 14 states have call successors, (52) [2021-12-21 13:17:13,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1402 transitions. [2021-12-21 13:17:13,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-12-21 13:17:13,952 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:17:13,952 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:17:13,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-21 13:17:14,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:17:14,167 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:17:14,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:17:14,168 INFO L85 PathProgramCache]: Analyzing trace with hash -457369096, now seen corresponding path program 1 times [2021-12-21 13:17:14,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:17:14,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819884703] [2021-12-21 13:17:14,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:14,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:17:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:17:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 13:17:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:17:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:17:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:17:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 13:17:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:17:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:17:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 13:17:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 13:17:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-21 13:17:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 13:17:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-21 13:17:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:17:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:17:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 13:17:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 13:17:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-21 13:17:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-21 13:17:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 13:17:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:17:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 13:17:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:17:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 13:17:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-21 13:17:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-21 13:17:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 13:17:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 13:17:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-21 13:17:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,406 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 194 proven. 36 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-21 13:17:14,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:17:14,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819884703] [2021-12-21 13:17:14,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819884703] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:17:14,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298471619] [2021-12-21 13:17:14,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:17:14,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:17:14,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:17:14,416 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 13:17:14,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-21 13:17:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:17:14,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 30 conjunts are in the unsatisfiable core [2021-12-21 13:17:14,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:17:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 155 proven. 89 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-12-21 13:17:15,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:17:16,041 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 96 proven. 136 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-12-21 13:17:16,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298471619] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:17:16,042 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:17:16,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 16] total 29 [2021-12-21 13:17:16,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890385378] [2021-12-21 13:17:16,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:17:16,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-12-21 13:17:16,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:17:16,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-12-21 13:17:16,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=662, Unknown=0, NotChecked=0, Total=812 [2021-12-21 13:17:16,044 INFO L87 Difference]: Start difference. First operand 1270 states and 1402 transitions. Second operand has 29 states, 29 states have (on average 10.620689655172415) internal successors, (308), 25 states have internal predecessors, (308), 18 states have call successors, (62), 13 states have call predecessors, (62), 19 states have return successors, (65), 18 states have call predecessors, (65), 18 states have call successors, (65) [2021-12-21 13:17:17,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:17:17,372 INFO L93 Difference]: Finished difference Result 2002 states and 2228 transitions. [2021-12-21 13:17:17,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-21 13:17:17,373 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 10.620689655172415) internal successors, (308), 25 states have internal predecessors, (308), 18 states have call successors, (62), 13 states have call predecessors, (62), 19 states have return successors, (65), 18 states have call predecessors, (65), 18 states have call successors, (65) Word has length 266 [2021-12-21 13:17:17,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:17:17,375 INFO L225 Difference]: With dead ends: 2002 [2021-12-21 13:17:17,375 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 13:17:17,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 580 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 575 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=599, Invalid=2053, Unknown=0, NotChecked=0, Total=2652 [2021-12-21 13:17:17,380 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 1316 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 1861 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 2454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 1861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-21 13:17:17,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1318 Valid, 729 Invalid, 2454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 1861 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-21 13:17:17,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 13:17:17,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 13:17:17,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 13:17:17,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 13:17:17,381 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 266 [2021-12-21 13:17:17,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:17:17,381 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 13:17:17,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 10.620689655172415) internal successors, (308), 25 states have internal predecessors, (308), 18 states have call successors, (62), 13 states have call predecessors, (62), 19 states have return successors, (65), 18 states have call predecessors, (65), 18 states have call successors, (65) [2021-12-21 13:17:17,382 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 13:17:17,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 13:17:17,384 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 13:17:17,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-21 13:17:17,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-21 13:17:17,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 13:17:31,890 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 185 192) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 1 ~systemActive~0))) (or .cse0 (not (<= 2 ~waterLevel~0)) (= 0 ~systemActive~0)))) [2021-12-21 13:17:31,890 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 185 192) no Hoare annotation was computed. [2021-12-21 13:17:31,890 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 185 192) no Hoare annotation was computed. [2021-12-21 13:17:31,890 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 101 107) no Hoare annotation was computed. [2021-12-21 13:17:31,890 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 101 107) the Hoare annotation is: true [2021-12-21 13:17:31,891 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 932 943) the Hoare annotation is: (let ((.cse5 (not (<= 2 ~waterLevel~0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse7 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse9 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse8 (not (<= 0 ~waterLevel~0))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= ~waterLevel~0 2)))) (and (or (not (< 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse6 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse7 .cse4) (or .cse0 (not (<= ~waterLevel~0 0)) .cse1 .cse2 .cse8 .cse3) (or .cse0 .cse1 .cse2 (not (<= 1 ~waterLevel~0)) .cse3 .cse9) (or .cse1 .cse2 .cse8 .cse3 .cse7 .cse9) (or .cse0 (= ~methaneLevelCritical~0 0) .cse2 .cse8 .cse6 .cse4 (not (<= 1 ~switchedOnBeforeTS~0))))) [2021-12-21 13:17:31,891 INFO L858 garLoopResultBuilder]: For program point L936-1(lines 932 943) no Hoare annotation was computed. [2021-12-21 13:17:31,891 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 932 943) no Hoare annotation was computed. [2021-12-21 13:17:31,891 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 355 384) no Hoare annotation was computed. [2021-12-21 13:17:31,891 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 355 384) the Hoare annotation is: true [2021-12-21 13:17:31,891 INFO L861 garLoopResultBuilder]: At program point L380(lines 355 384) the Hoare annotation is: true [2021-12-21 13:17:31,891 INFO L858 garLoopResultBuilder]: For program point L376(line 376) no Hoare annotation was computed. [2021-12-21 13:17:31,891 INFO L858 garLoopResultBuilder]: For program point L369(lines 369 373) no Hoare annotation was computed. [2021-12-21 13:17:31,892 INFO L861 garLoopResultBuilder]: At program point L369-1(lines 369 373) the Hoare annotation is: true [2021-12-21 13:17:31,892 INFO L858 garLoopResultBuilder]: For program point L366(line 366) no Hoare annotation was computed. [2021-12-21 13:17:31,892 INFO L861 garLoopResultBuilder]: At program point L365-2(lines 365 379) the Hoare annotation is: true [2021-12-21 13:17:31,892 INFO L861 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2021-12-21 13:17:31,892 INFO L858 garLoopResultBuilder]: For program point L361-1(line 361) no Hoare annotation was computed. [2021-12-21 13:17:31,892 INFO L854 garLoopResultBuilder]: At program point L886(line 886) the Hoare annotation is: (let ((.cse17 (= ~methaneLevelCritical~0 0)) (.cse10 (= ~pumpRunning~0 0)) (.cse18 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2)) (.cse19 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse7 (not (< 1 |old(~waterLevel~0)|))) (.cse16 (not (= 0 ~systemActive~0))) (.cse22 (<= ~waterLevel~0 0)) (.cse23 (<= 0 ~waterLevel~0)) (.cse21 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (and .cse10 .cse18 .cse19 .cse15)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse24 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse12 (= ~waterLevel~0 1)) (.cse2 (not (<= 0 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 0))) (.cse20 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse25 (not .cse17)) (.cse26 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse11 (= |timeShift_processEnvironment_~tmp~1#1| ~methaneLevelCritical~0)) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse14 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse27 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse4 .cse8 (and .cse9 .cse10 .cse11 .cse12 .cse13 .cse14)) (or .cse0 (and .cse10 .cse15) .cse16) (or .cse0 .cse1 .cse7 .cse4 .cse8) (or .cse0 .cse7 .cse8 .cse16) (or .cse17 .cse1 .cse6 .cse2 .cse4 (and .cse10 .cse18 .cse19 .cse15 .cse11 .cse13) .cse8 .cse5 .cse20) (or .cse21 .cse17 .cse1 .cse6 (not (<= 1 |old(~waterLevel~0)|)) .cse4 (and .cse9 .cse10 .cse22 .cse11 .cse13 .cse14 .cse23) .cse8 .cse20) (or .cse24 .cse1 .cse6 .cse25 (and .cse26 .cse9 .cse22 .cse11 .cse13 .cse14 .cse23) .cse20) (or .cse0 .cse1 .cse25 .cse8 .cse27) (or .cse21 .cse0 .cse1 .cse2 .cse3 .cse25) (or .cse0 .cse24 .cse1 .cse4 (and .cse10 .cse18 .cse19 .cse12)) (or .cse1 .cse6 .cse2 .cse25 (and .cse26 .cse18 .cse19 .cse15 .cse11 .cse13) .cse5 .cse20) (or .cse1 .cse6 .cse25 (and .cse26 .cse9 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= 1 ~waterLevel~0) .cse11 .cse13 .cse14) .cse8 .cse27)))) [2021-12-21 13:17:31,893 INFO L854 garLoopResultBuilder]: At program point L981(lines 976 984) the Hoare annotation is: (let ((.cse13 (= ~methaneLevelCritical~0 0)) (.cse15 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse7 (= ~pumpRunning~0 0)) (.cse21 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse20 (not (= 0 ~systemActive~0))) (.cse25 (<= ~waterLevel~0 0)) (.cse26 (<= 0 ~waterLevel~0)) (.cse0 (and .cse7 .cse21 .cse16)) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse22 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse27 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse19 (and .cse7 .cse15 .cse16)) (.cse14 (not (<= 0 |old(~waterLevel~0)|))) (.cse17 (not (<= |old(~waterLevel~0)| 0))) (.cse18 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not (= 1 ~systemActive~0))) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (< 1 |old(~waterLevel~0)|))) (.cse23 (not .cse13)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse24 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse8 (= |timeShift_processEnvironment_~tmp~1#1| ~methaneLevelCritical~0)) (.cse9 (= ~waterLevel~0 1)) (.cse10 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (and .cse6 .cse7 .cse8 .cse9 .cse10) .cse2 .cse11 .cse12 .cse3 .cse4) (or .cse13 .cse2 .cse11 .cse14 .cse3 .cse4 (and .cse7 .cse15 .cse16 .cse8 .cse10) .cse17 .cse18) (or .cse1 .cse2 .cse14 .cse3 .cse19 .cse17) (or .cse1 (and .cse7 .cse16) .cse20) (or .cse1 .cse21 .cse12 .cse4 .cse20) (or .cse22 .cse1 .cse2 .cse14 .cse23 .cse19) (or .cse22 (and .cse24 .cse6 .cse25 .cse8 .cse10 .cse26) .cse2 .cse11 .cse27 .cse23 .cse18) (or .cse22 .cse13 .cse2 .cse11 .cse27 .cse3 (and .cse6 .cse7 .cse25 .cse8 .cse10 .cse26) .cse4 .cse18) (or .cse0 .cse1 .cse2 .cse23 (and (<= 1 ~pumpRunning~0) .cse21 .cse16) .cse4 .cse5) (or .cse22 .cse1 .cse2 .cse27 .cse3 .cse19) (or .cse2 .cse11 .cse14 .cse23 (and .cse24 .cse15 .cse16 .cse8 .cse10) .cse17 .cse18) (or .cse2 .cse11 .cse12 .cse23 .cse4 (and .cse24 .cse6 .cse8 .cse9 .cse10))))) [2021-12-21 13:17:31,893 INFO L858 garLoopResultBuilder]: For program point L886-1(line 886) no Hoare annotation was computed. [2021-12-21 13:17:31,893 INFO L858 garLoopResultBuilder]: For program point L81(lines 81 87) no Hoare annotation was computed. [2021-12-21 13:17:31,893 INFO L858 garLoopResultBuilder]: For program point L81-2(lines 77 99) no Hoare annotation was computed. [2021-12-21 13:17:31,893 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2021-12-21 13:17:31,893 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 156) no Hoare annotation was computed. [2021-12-21 13:17:31,894 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 74 100) no Hoare annotation was computed. [2021-12-21 13:17:31,894 INFO L858 garLoopResultBuilder]: For program point L912(lines 912 916) no Hoare annotation was computed. [2021-12-21 13:17:31,894 INFO L854 garLoopResultBuilder]: At program point L912-2(lines 908 919) the Hoare annotation is: (let ((.cse15 (= ~methaneLevelCritical~0 0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse17 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (and .cse16 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= 1 ~waterLevel~0) .cse17)) (.cse14 (and .cse16 (= |old(~waterLevel~0)| ~waterLevel~0) .cse17)) (.cse13 (not (<= |old(~waterLevel~0)| 0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (and .cse16 (<= ~waterLevel~0 0) .cse17 (<= 0 ~waterLevel~0))) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse12 (not (<= 0 |old(~waterLevel~0)|))) (.cse2 (not .cse15)) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse3 .cse4 .cse5) (or .cse7 .cse0 (not (< 1 |old(~waterLevel~0)|)) .cse6 .cse4) (or .cse8 .cse0 .cse1 .cse9 .cse2 .cse10 .cse11) (or .cse7 .cse0 .cse12 .cse6 .cse13) (or .cse7 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse6) (or .cse14 .cse15 .cse0 .cse1 .cse12 .cse6 .cse4 .cse13 .cse11) (or .cse14 .cse0 .cse1 .cse12 .cse2 .cse13 .cse11) (or .cse7 .cse0 .cse2 .cse4 .cse5) (or .cse8 .cse15 .cse0 .cse1 .cse9 .cse6 .cse4 .cse10 .cse11) (or .cse8 .cse7 .cse0 .cse12 .cse2) (or .cse7 (not (= 0 ~systemActive~0)))))) [2021-12-21 13:17:31,894 INFO L854 garLoopResultBuilder]: At program point L871(line 871) the Hoare annotation is: (let ((.cse14 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse14 .cse15)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse13 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (and (= ~pumpRunning~0 0) .cse14 .cse15)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse10 (not (<= 0 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= |old(~waterLevel~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse0 .cse8 .cse3 .cse5) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse8 .cse3 .cse4) (or .cse6 .cse9 .cse7 .cse0 .cse10 .cse2) (or .cse0 .cse1 .cse10 .cse2 .cse4 .cse11 .cse12) (or .cse9 .cse0 .cse1 .cse13 .cse2 .cse4 .cse12) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse8 .cse4 .cse12) (or .cse6 .cse7 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 .cse10 .cse8 .cse4 .cse11 .cse12) (or .cse6 .cse9 .cse7 .cse0 .cse13 .cse8) (or .cse6 .cse7 .cse0 .cse10 .cse8 .cse11)))) [2021-12-21 13:17:31,894 INFO L858 garLoopResultBuilder]: For program point L871-1(line 871) no Hoare annotation was computed. [2021-12-21 13:17:31,894 INFO L858 garLoopResultBuilder]: For program point L888(lines 888 898) no Hoare annotation was computed. [2021-12-21 13:17:31,894 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-12-21 13:17:31,895 INFO L854 garLoopResultBuilder]: At program point L149(line 149) the Hoare annotation is: (let ((.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= |timeShift_processEnvironment_~tmp~1#1| ~methaneLevelCritical~0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (<= |old(~waterLevel~0)| 0))) (.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= 1 ~systemActive~0))) (.cse8 (not (<= 0 |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and .cse1 (<= ~waterLevel~0 0) .cse2 .cse3 (<= 0 ~waterLevel~0)) .cse4 .cse5 (not (<= 1 |old(~waterLevel~0)|)) .cse6 .cse7) (or .cse4 .cse5 .cse8 .cse9 .cse10 .cse7) (or .cse11 .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse9 .cse10) (or .cse11 .cse4 .cse8 .cse9 .cse12) (or .cse4 .cse5 .cse6 (and .cse1 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= 1 ~waterLevel~0) .cse2 .cse3) .cse10 .cse13) (or .cse4 .cse5 .cse9 .cse10 .cse13) (or .cse11 (not (= |old(~waterLevel~0)| 1)) .cse4 .cse9) (or .cse11 .cse4 .cse6 .cse10 .cse13) (or (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3) .cse4 .cse5 .cse8 .cse6 .cse12 .cse7) (or .cse0 .cse11 .cse4 .cse8 .cse6) (or .cse11 (not (= 0 ~systemActive~0))))) [2021-12-21 13:17:31,895 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 901) no Hoare annotation was computed. [2021-12-21 13:17:31,895 INFO L854 garLoopResultBuilder]: At program point L884-1(lines 876 904) the Hoare annotation is: (let ((.cse23 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse24 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (<= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~2#1|)) (.cse6 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| 2)) (.cse7 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse28 (= 1 ~systemActive~0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse22 (not (= 0 ~systemActive~0))) (.cse19 (not (<= |old(~waterLevel~0)| 0))) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse13 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse25 (<= ~waterLevel~0 0)) (.cse14 (= |timeShift_processEnvironment_~tmp~1#1| ~methaneLevelCritical~0)) (.cse15 (<= 1 ~switchedOnBeforeTS~0)) (.cse16 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse26 (<= 0 ~waterLevel~0)) (.cse20 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse21 (and .cse12 .cse4 .cse5 .cse6 .cse7 .cse28 .cse8)) (.cse18 (not (<= 0 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse28)) (.cse10 (not (< 1 |old(~waterLevel~0)|))) (.cse27 (and .cse4 .cse23 .cse8 .cse24)) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse17 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7 .cse8)) (or .cse2 .cse9 .cse10 .cse11 (and .cse12 .cse13 .cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= 1 ~waterLevel~0) .cse14 .cse15 .cse16) .cse17) (or .cse2 .cse9 .cse10 .cse3 .cse17 (and .cse13 .cse4 .cse14 (= ~waterLevel~0 1) .cse15 .cse16)) (or .cse2 .cse9 .cse18 (and .cse12 .cse5 .cse6 .cse7 .cse8 .cse14 .cse15) .cse11 .cse19 .cse20) (or .cse21 .cse0 .cse2 .cse18 .cse3 .cse19) (or .cse0 (and .cse4 .cse8) .cse22) (or .cse0 .cse10 .cse17 (and .cse23 .cse24) .cse22) (or .cse1 .cse2 .cse9 .cse11 (and .cse12 .cse13 .cse5 .cse25 .cse14 .cse15 .cse16 .cse26) .cse20) (or .cse0 .cse2 .cse27 .cse3 .cse17 (not (<= 2 |old(~waterLevel~0)|))) (or .cse2 .cse9 .cse18 .cse3 (and .cse4 .cse6 .cse7 .cse8 .cse14 .cse15) .cse19 .cse20) (or .cse1 .cse2 .cse9 .cse3 (and .cse13 .cse4 .cse25 .cse14 .cse15 .cse16 .cse26) .cse20) (or .cse21 (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse18 .cse11) (or .cse0 (and (<= 1 ~pumpRunning~0) .cse23 .cse8 .cse24) .cse2 .cse10 .cse27 .cse11 .cse17)))) [2021-12-21 13:17:31,895 INFO L854 garLoopResultBuilder]: At program point L145(line 145) the Hoare annotation is: (let ((.cse14 (= ~methaneLevelCritical~0 0))) (let ((.cse10 (not (<= |old(~waterLevel~0)| 0))) (.cse13 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= |timeShift_processEnvironment_~tmp~1#1| ~methaneLevelCritical~0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse16 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (<= 0 |old(~waterLevel~0)|))) (.cse15 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not .cse14)) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse12 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= 1 ~waterLevel~0) .cse4 .cse5) .cse6 .cse7) (or .cse0 .cse1 .cse8 .cse9 .cse10 .cse11) (or .cse12 .cse0 .cse13 .cse2 .cse6) (or .cse12 .cse0 .cse8 .cse2 .cse10) (or .cse14 (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5) .cse0 .cse1 .cse8 .cse2 .cse6 .cse10 .cse11) (or .cse12 .cse15 .cse0 .cse2) (or .cse0 .cse1 .cse13 .cse9 .cse6) (or .cse16 (and .cse3 (<= ~waterLevel~0 0) .cse4 .cse5 (<= 0 ~waterLevel~0)) .cse14 .cse0 .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse2 .cse6 .cse11) (or .cse12 .cse0 .cse9 .cse6 .cse7) (or .cse16 .cse12 .cse0 .cse8 .cse9) (or .cse15 .cse0 .cse1 .cse9 .cse11) (or .cse12 (not (= 0 ~systemActive~0)))))) [2021-12-21 13:17:31,895 INFO L854 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse15 (= ~methaneLevelCritical~0 0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse17 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (and .cse16 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= 1 ~waterLevel~0) .cse17)) (.cse14 (and .cse16 (= |old(~waterLevel~0)| ~waterLevel~0) .cse17)) (.cse13 (not (<= |old(~waterLevel~0)| 0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (and .cse16 (<= ~waterLevel~0 0) .cse17 (<= 0 ~waterLevel~0))) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse12 (not (<= 0 |old(~waterLevel~0)|))) (.cse2 (not .cse15)) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse3 .cse4 .cse5) (or .cse7 .cse0 (not (< 1 |old(~waterLevel~0)|)) .cse6 .cse4) (or .cse8 .cse0 .cse1 .cse9 .cse2 .cse10 .cse11) (or .cse7 .cse0 .cse12 .cse6 .cse13) (or .cse7 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse6) (or .cse14 .cse15 .cse0 .cse1 .cse12 .cse6 .cse4 .cse13 .cse11) (or .cse14 .cse0 .cse1 .cse12 .cse2 .cse13 .cse11) (or .cse7 .cse0 .cse2 .cse4 .cse5) (or .cse8 .cse15 .cse0 .cse1 .cse9 .cse6 .cse4 .cse10 .cse11) (or .cse8 .cse7 .cse0 .cse12 .cse2) (or .cse7 (not (= 0 ~systemActive~0)))))) [2021-12-21 13:17:31,895 INFO L858 garLoopResultBuilder]: For program point L141-1(line 141) no Hoare annotation was computed. [2021-12-21 13:17:31,896 INFO L854 garLoopResultBuilder]: At program point L154(line 154) the Hoare annotation is: (let ((.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (not (<= |old(~waterLevel~0)| 1))) (.cse10 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (<= 0 |old(~waterLevel~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse6 .cse7 .cse5) (or .cse0 .cse1 .cse3 .cse4 .cse8) (or .cse9 .cse10 .cse0 .cse3 .cse4 .cse8) (or .cse0 .cse1 .cse11 .cse6 .cse4) (or .cse9 .cse10 .cse0 .cse2 .cse3 .cse7) (or .cse12 .cse9 .cse10 .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse3) (or .cse9 .cse10 .cse0 .cse11 .cse6 .cse4) (or .cse12 .cse9 .cse10 .cse0 .cse2 .cse6) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse6 .cse5) (or .cse9 (not (= 0 ~systemActive~0))))) [2021-12-21 13:17:31,896 INFO L854 garLoopResultBuilder]: At program point L154-1(lines 135 159) the Hoare annotation is: (let ((.cse19 (= 1 ~systemActive~0)) (.cse20 (= ~methaneLevelCritical~0 0)) (.cse18 (= ~pumpRunning~0 0)) (.cse23 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (<= ~waterLevel~0 0)) (.cse5 (<= 0 ~waterLevel~0)) (.cse11 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse12 (<= 1 ~waterLevel~0)) (.cse14 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse16 (and .cse18 .cse23)) (.cse9 (not .cse20)) (.cse3 (= |timeShift_processEnvironment_~tmp~1#1| ~methaneLevelCritical~0)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not .cse19)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse21 (not (<= 0 |old(~waterLevel~0)|))) (.cse17 (not (<= 1 ~methaneLevelCritical~0))) (.cse13 (not (<= |old(~waterLevel~0)| 2))) (.cse22 (not (<= |old(~waterLevel~0)| 0))) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse15 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse6 .cse7 .cse9 (and .cse1 .cse11 .cse12 .cse3 .cse4) .cse13 .cse14) (or .cse15 .cse16 .cse6 .cse17 .cse13 .cse14) (or .cse0 (and .cse18 .cse19 .cse2 .cse3 .cse4 .cse5) .cse20 .cse6 .cse7 .cse8 .cse17 .cse13 .cse10) (or (and .cse18 .cse19 .cse11 .cse12 .cse3 .cse4) .cse6 .cse7 .cse17 .cse13 .cse14) (or .cse15 .cse16 .cse6 .cse21 .cse17 .cse22) (or .cse0 .cse15 .cse16 .cse6 .cse8 .cse17) (or .cse15 .cse16 .cse6 (not (< 1 |old(~waterLevel~0)|)) .cse9 (and (<= 1 ~pumpRunning~0) .cse23) .cse13) (or (and .cse1 .cse23 .cse3 .cse4) .cse6 .cse7 .cse21 .cse9 .cse22 .cse10) (or .cse0 .cse15 .cse16 .cse6 .cse21 .cse9) (or (and .cse18 .cse23 .cse3 .cse4) .cse20 .cse6 .cse7 .cse21 .cse17 .cse13 .cse22 .cse10) (or .cse15 (not (= 0 ~systemActive~0)))))) [2021-12-21 13:17:31,896 INFO L858 garLoopResultBuilder]: For program point L889(lines 889 895) no Hoare annotation was computed. [2021-12-21 13:17:31,896 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 88 94) no Hoare annotation was computed. [2021-12-21 13:17:31,896 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse7 (not (<= |old(~waterLevel~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (<= 0 |old(~waterLevel~0)|))) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse8 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse6 .cse7 .cse5) (or .cse8 .cse0 .cse9 .cse3 .cse4) (or .cse8 .cse0 .cse2 .cse3 .cse7) (or .cse0 .cse1 .cse3 .cse4 .cse10) (or .cse8 .cse11 .cse0 .cse3) (or .cse0 .cse1 .cse9 .cse6 .cse4) (or .cse8 .cse0 .cse6 .cse4 .cse10) (or (not (<= |old(~waterLevel~0)| 1)) .cse8 .cse0 .cse2 .cse6) (or .cse11 .cse0 .cse1 .cse6 .cse5) (or .cse8 (not (= 0 ~systemActive~0))))) [2021-12-21 13:17:31,896 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 74 100) the Hoare annotation is: (let ((.cse14 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse14 .cse15)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse13 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (and (= ~pumpRunning~0 0) .cse14 .cse15)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse10 (not (<= 0 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= |old(~waterLevel~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse0 .cse8 .cse3 .cse5) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse8 .cse3 .cse4) (or .cse6 .cse9 .cse7 .cse0 .cse10 .cse2) (or .cse0 .cse1 .cse10 .cse2 .cse4 .cse11 .cse12) (or .cse9 .cse0 .cse1 .cse13 .cse2 .cse4 .cse12) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse8 .cse4 .cse12) (or .cse6 .cse7 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 .cse10 .cse8 .cse4 .cse11 .cse12) (or .cse6 .cse9 .cse7 .cse0 .cse13 .cse8) (or .cse6 .cse7 .cse0 .cse10 .cse8 .cse11)))) [2021-12-21 13:17:31,896 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 74 100) no Hoare annotation was computed. [2021-12-21 13:17:31,897 INFO L854 garLoopResultBuilder]: At program point L873(lines 866 875) the Hoare annotation is: (let ((.cse17 (= ~methaneLevelCritical~0 0)) (.cse18 (= 1 ~systemActive~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse19 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse9 (and .cse12 .cse13 .cse19)) (.cse10 (not (< 1 |old(~waterLevel~0)|))) (.cse15 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse12 .cse17 .cse18 (<= ~waterLevel~0 2) .cse13 .cse19)) (.cse16 (not (<= |old(~waterLevel~0)| 0))) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and (= ~pumpRunning~0 0) .cse13)) (.cse1 (not .cse18)) (.cse14 (not (<= 0 |old(~waterLevel~0)|))) (.cse5 (not .cse17))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 (not (= 0 ~systemActive~0))) (or .cse9 .cse1 .cse2 .cse10 .cse5 .cse11) (or .cse7 .cse1 .cse5 (and .cse12 .cse13) .cse11 (not (<= 2 |old(~waterLevel~0)|))) (or .cse7 .cse8 .cse1 .cse14 .cse15 .cse16) (or .cse0 .cse7 .cse8 .cse1 .cse3 .cse15) (or .cse9 .cse1 .cse2 .cse14 .cse15 .cse11 .cse6) (or .cse9 .cse1 .cse2 .cse10 .cse15 .cse11) (or .cse7 .cse8 .cse1 .cse10 .cse15 .cse11) (or .cse1 .cse2 .cse14 .cse4 .cse5 .cse16 .cse6) (or .cse0 .cse7 .cse8 .cse1 .cse14 .cse5)))) [2021-12-21 13:17:31,897 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-12-21 13:17:31,897 INFO L854 garLoopResultBuilder]: At program point L345(lines 296 346) the Hoare annotation is: false [2021-12-21 13:17:31,897 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 339) no Hoare annotation was computed. [2021-12-21 13:17:31,897 INFO L854 garLoopResultBuilder]: At program point L333-2(lines 327 340) the Hoare annotation is: (let ((.cse5 (< 1 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse10 (<= ~waterLevel~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~waterLevel~0 1)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= ~waterLevel~0 2)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse9 (<= 0 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse3 .cse6) (and .cse7 .cse8 .cse5 .cse2 .cse3 .cse6) (and .cse0 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse8 (<= ~waterLevel~0 1) .cse2 .cse3 .cse9) (and .cse0 .cse8 .cse5 .cse2 .cse3 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse10 .cse9) (and .cse7 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse10 .cse11 .cse9) (and .cse7 .cse8 .cse2 .cse3 .cse4 .cse11) (and .cse7 .cse1 .cse2 .cse3 .cse6 .cse11 .cse9))) [2021-12-21 13:17:31,897 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 13:17:31,897 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 13:17:31,897 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 323) no Hoare annotation was computed. [2021-12-21 13:17:31,897 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 13:17:31,897 INFO L858 garLoopResultBuilder]: For program point L317-1(lines 317 323) no Hoare annotation was computed. [2021-12-21 13:17:31,897 INFO L858 garLoopResultBuilder]: For program point L441(lines 441 448) no Hoare annotation was computed. [2021-12-21 13:17:31,897 INFO L854 garLoopResultBuilder]: At program point L280(lines 268 282) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 0 ~systemActive~0)) [2021-12-21 13:17:31,898 INFO L858 garLoopResultBuilder]: For program point L441-2(lines 441 448) no Hoare annotation was computed. [2021-12-21 13:17:31,898 INFO L854 garLoopResultBuilder]: At program point L342(lines 297 344) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse10 (<= ~waterLevel~0 1)) (.cse11 (<= 1 ~waterLevel~0)) (.cse8 (<= ~waterLevel~0 0)) (.cse9 (<= 0 ~waterLevel~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse12 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse3 .cse4 .cse8 .cse9) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse11) (and .cse0 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse4 .cse8 .cse9) (and .cse0 .cse6 .cse10 .cse3 .cse4 .cse11) (and .cse7 .cse6 .cse3 .cse4 .cse8 .cse12 .cse9) (and .cse7 .cse6 .cse3 .cse4 (= ~waterLevel~0 1) .cse12))) [2021-12-21 13:17:31,898 INFO L854 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse10 (<= ~waterLevel~0 0)) (.cse5 (<= 0 ~waterLevel~0)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse11 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse4 .cse7) (and .cse0 .cse8 .cse6 .cse3 .cse4 .cse7) (and .cse9 .cse8 .cse6 .cse3 .cse4 .cse7) (and .cse0 .cse8 .cse3 .cse4 .cse10 .cse5) (and .cse0 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse8 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0)) (and .cse9 .cse8 .cse3 .cse4 .cse10 .cse11 .cse5) (and .cse9 .cse8 .cse3 .cse4 (= ~waterLevel~0 1) .cse11))) [2021-12-21 13:17:31,898 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 278) no Hoare annotation was computed. [2021-12-21 13:17:31,898 INFO L858 garLoopResultBuilder]: For program point L272-1(lines 272 278) no Hoare annotation was computed. [2021-12-21 13:17:31,898 INFO L861 garLoopResultBuilder]: At program point L425(lines 417 427) the Hoare annotation is: true [2021-12-21 13:17:31,898 INFO L861 garLoopResultBuilder]: At program point L450(lines 431 453) the Hoare annotation is: true [2021-12-21 13:17:31,898 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 13:17:31,898 INFO L854 garLoopResultBuilder]: At program point L863(lines 858 865) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:17:31,899 INFO L854 garLoopResultBuilder]: At program point L413(lines 409 415) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:17:31,899 INFO L854 garLoopResultBuilder]: At program point L851(lines 846 854) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:17:31,899 INFO L854 garLoopResultBuilder]: At program point L843(lines 839 845) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:17:31,899 INFO L858 garLoopResultBuilder]: For program point L298(lines 297 344) no Hoare annotation was computed. [2021-12-21 13:17:31,899 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 340) no Hoare annotation was computed. [2021-12-21 13:17:31,899 INFO L854 garLoopResultBuilder]: At program point L319(line 319) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (<= 0 ~waterLevel~0)) (.cse8 (< 1 ~waterLevel~0)) (.cse9 (<= ~waterLevel~0 2)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse9) (and .cse6 .cse7 .cse8 .cse3 .cse4 .cse9) (and .cse0 .cse7 .cse3 .cse4 (<= ~waterLevel~0 0) .cse5) (and .cse0 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse7 .cse8 .cse3 .cse4 .cse9) (and .cse0 .cse7 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0)))) [2021-12-21 13:17:31,899 INFO L861 garLoopResultBuilder]: At program point L348(lines 287 352) the Hoare annotation is: true [2021-12-21 13:17:31,899 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 313) no Hoare annotation was computed. [2021-12-21 13:17:31,899 INFO L858 garLoopResultBuilder]: For program point L307-1(lines 307 313) no Hoare annotation was computed. [2021-12-21 13:17:31,900 INFO L854 garLoopResultBuilder]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2021-12-21 13:17:31,900 INFO L858 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2021-12-21 13:17:31,900 INFO L854 garLoopResultBuilder]: At program point L836(lines 832 838) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-21 13:17:31,900 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 920 931) no Hoare annotation was computed. [2021-12-21 13:17:31,900 INFO L858 garLoopResultBuilder]: For program point L924-1(lines 920 931) no Hoare annotation was computed. [2021-12-21 13:17:31,900 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 920 931) the Hoare annotation is: (let ((.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse10 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse8 (not (<= 0 |old(~waterLevel~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse3 .cse4 .cse5) (or .cse0 .cse3 (not (= 0 ~systemActive~0))) (or .cse1 .cse8 .cse6 .cse7 .cse3 .cse9 .cse10) (or .cse0 .cse1 .cse8 .cse6 .cse3 .cse9) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse6 .cse7 (= ~waterLevel~0 1) .cse10) (or .cse11 .cse0 .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse6 .cse3) (or .cse11 .cse0 .cse1 .cse8 .cse2 .cse3))) [2021-12-21 13:17:31,900 INFO L858 garLoopResultBuilder]: For program point L258-2(lines 258 262) no Hoare annotation was computed. [2021-12-21 13:17:31,901 INFO L854 garLoopResultBuilder]: At program point L128(line 128) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse9 (not (<= 0 ~waterLevel~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= 1 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or (not (< 1 ~waterLevel~0)) .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse1 .cse6 (not (<= 1 ~waterLevel~0)) .cse4 .cse7 .cse8) (or .cse0 .cse1 .cse9 .cse2 .cse7) (or .cse0 .cse1 .cse9 .cse4 .cse7) (or .cse5 (not (<= ~waterLevel~0 0)) .cse1 .cse9 .cse6 .cse4 .cse8))) [2021-12-21 13:17:31,901 INFO L858 garLoopResultBuilder]: For program point L128-1(lines 109 133) no Hoare annotation was computed. [2021-12-21 13:17:31,901 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 995) no Hoare annotation was computed. [2021-12-21 13:17:31,901 INFO L854 garLoopResultBuilder]: At program point L994(lines 985 998) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0))) (let ((.cse7 (not (<= 1 ~waterLevel~0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (not (<= ~waterLevel~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 0 ~waterLevel~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (and .cse1 (not (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0))))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3 .cse4) (or .cse2 .cse5 (not (<= 1 |old(~pumpRunning~0)|)) .cse3 .cse6 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse2 .cse7 .cse8 .cse6 .cse9) (or .cse0 .cse2 .cse7 .cse3 .cse6 .cse9) (or .cse0 .cse10 .cse2 .cse5 .cse3 .cse9) (or (not (< 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse8 .cse4) (or .cse0 .cse10 .cse2 .cse5 .cse8 .cse9)))) [2021-12-21 13:17:31,901 INFO L854 garLoopResultBuilder]: At program point L123(line 123) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~waterLevel~0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 2 ~waterLevel~0))) (.cse8 (not (<= ~waterLevel~0 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (not (<= ~waterLevel~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__methaneQuery_~tmp~0#1| 0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse4 .cse0 .cse5 .cse2 .cse6 .cse3) (or .cse4 .cse0 .cse7 .cse2 .cse6 .cse8) (or .cse4 .cse0 .cse5 .cse9 .cse6 .cse3) (or .cse4 .cse10 .cse0 .cse1 .cse2 .cse6) (or .cse4 .cse0 .cse7 .cse9 .cse6 .cse8) (or .cse4 .cse10 .cse0 .cse1 .cse9 .cse6))) [2021-12-21 13:17:31,901 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 125) no Hoare annotation was computed. [2021-12-21 13:17:31,901 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 130) no Hoare annotation was computed. [2021-12-21 13:17:31,901 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 109 133) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~waterLevel~0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse1 (= ~pumpRunning~0 0)) (.cse10 (not (<= ~waterLevel~0 0))) (.cse11 (not (<= 0 ~waterLevel~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse12 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse7 .cse3 .cse8 .cse5 .cse9) (or .cse0 .cse1 .cse10 .cse2 .cse11 .cse8) (or (not (< 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse8 .cse12) (or .cse0 .cse1 .cse2 .cse3 .cse8 .cse5) (or .cse0 .cse1 .cse10 .cse2 .cse11 .cse4) (or .cse6 .cse10 .cse2 .cse11 .cse7 .cse8 .cse9) (or .cse6 .cse0 .cse2 (not (<= 2 ~waterLevel~0)) .cse4 .cse12))) [2021-12-21 13:17:31,902 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 181) no Hoare annotation was computed. [2021-12-21 13:17:31,902 INFO L854 garLoopResultBuilder]: At program point L173(line 173) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 0 ~waterLevel~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3 .cse4) (or .cse2 .cse5 (not (<= 1 |old(~pumpRunning~0)|)) .cse3 .cse6 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse2 .cse5 .cse7 .cse6) (or (not (< 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse6))) [2021-12-21 13:17:31,902 INFO L854 garLoopResultBuilder]: At program point L175-2(lines 168 184) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~2#1| ~methaneLevelCritical~0)) (.cse6 (not (<= ~waterLevel~0 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (< 1 ~waterLevel~0)) .cse4 .cse0 .cse5 .cse6 (and (= ~pumpRunning~0 0) .cse7)) (or .cse4 .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse0 (not (<= 2 ~waterLevel~0)) (and (<= 1 ~pumpRunning~0) .cse7) .cse2 .cse6) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2021-12-21 13:17:31,902 INFO L858 garLoopResultBuilder]: For program point L173-1(line 173) no Hoare annotation was computed. [2021-12-21 13:17:31,902 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 109 133) no Hoare annotation was computed. [2021-12-21 13:17:31,902 INFO L854 garLoopResultBuilder]: At program point L264(lines 249 267) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0))) (let ((.cse8 (not (<= ~waterLevel~0 0))) (.cse6 (not (<= 0 ~waterLevel~0))) (.cse10 (not (<= 1 ~waterLevel~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse9 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (not (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~3#1| 0)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~0#1| 0) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse11 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse6 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 .cse7 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse8 .cse2 .cse6 .cse4 .cse9) (or .cse0 .cse2 .cse10 .cse11 .cse9 .cse7) (or .cse0 .cse8 .cse2 .cse6 .cse11 .cse9) (or .cse0 .cse2 .cse10 .cse4 .cse9 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse11 .cse5)))) [2021-12-21 13:17:31,903 INFO L854 garLoopResultBuilder]: At program point L165(lines 160 167) the Hoare annotation is: (let ((.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse4 .cse0 .cse5 .cse6 .cse7) (or .cse4 .cse0 .cse1 .cse6 .cse3) (or .cse4 .cse0 .cse5 (and (<= 1 ~pumpRunning~0) (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~2#1| ~methaneLevelCritical~0)) .cse2 .cse7) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2021-12-21 13:17:31,903 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 262) no Hoare annotation was computed. [2021-12-21 13:17:31,903 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 204 212) no Hoare annotation was computed. [2021-12-21 13:17:31,903 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 204 212) the Hoare annotation is: true [2021-12-21 13:17:31,903 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 204 212) no Hoare annotation was computed. [2021-12-21 13:17:31,903 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 193 203) the Hoare annotation is: true [2021-12-21 13:17:31,903 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 193 203) no Hoare annotation was computed. [2021-12-21 13:17:31,903 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 193 203) no Hoare annotation was computed. [2021-12-21 13:17:31,904 INFO L854 garLoopResultBuilder]: At program point L949(lines 944 952) the Hoare annotation is: (let ((.cse7 (not (<= ~waterLevel~0 0))) (.cse8 (not (<= 0 ~waterLevel~0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= ~waterLevel~0 1))) (.cse6 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse11 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse12 (not (<= ~waterLevel~0 2))) (.cse5 (= |isMethaneAlarm_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse8 .cse9 .cse3 .cse5 .cse6) (or .cse7 .cse0 .cse8 .cse2 .cse3 .cse5 .cse6) (or .cse0 .cse1 .cse9 .cse3 .cse4 .cse5 .cse6) (or .cse10 .cse0 .cse11 .cse9 .cse12 .cse5) (or .cse10 .cse0 .cse11 .cse2 .cse12 .cse5))) [2021-12-21 13:17:31,906 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:17:31,907 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 13:17:31,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 01:17:31 BoogieIcfgContainer [2021-12-21 13:17:31,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 13:17:31,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 13:17:31,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 13:17:31,961 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 13:17:31,962 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:16:56" (3/4) ... [2021-12-21 13:17:31,964 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 13:17:31,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-21 13:17:31,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-21 13:17:31,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-21 13:17:31,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-21 13:17:31,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-21 13:17:31,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-21 13:17:31,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-21 13:17:31,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-21 13:17:31,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-21 13:17:31,976 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-12-21 13:17:31,979 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-21 13:17:31,979 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-21 13:17:31,980 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 13:17:31,980 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 13:17:31,980 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:17:31,981 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 13:17:32,001 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) [2021-12-21 13:17:32,001 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && waterLevel + 1 <= \old(waterLevel)) && 1 <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && waterLevel + 1 <= \old(waterLevel)) && 1 <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((!(\old(waterLevel) <= 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2021-12-21 13:17:32,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == 0 && pumpRunning <= tmp___0) && tmp < 2) && \result < 2) && \old(waterLevel) == waterLevel)) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && pumpRunning <= tmp___0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || (((((\result <= waterLevel && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel))) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning <= tmp___0) && tmp < 2) && \result < 2) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && pumpRunning <= tmp___0) && tmp < 2) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || (2 == \result && tmp == 2)) || !(0 == systemActive))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && pumpRunning <= tmp___0) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || (((((pumpRunning == 0 && tmp < 2) && \result < 2) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && pumpRunning <= tmp___0) && tmp < 2) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((((((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) [2021-12-21 13:17:32,002 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(\old(waterLevel) <= 1) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && waterLevel + 1 <= \old(waterLevel)) && 1 <= waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((!(\old(waterLevel) <= 1) || (((((pumpRunning == 0 && 1 == systemActive) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((pumpRunning == 0 && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (((((((((((pumpRunning == 0 && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2021-12-21 13:17:32,003 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2021-12-21 13:17:32,003 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((((((((\result <= waterLevel && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 0))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || 2 == \result) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel))) && ((((((!(\old(waterLevel) <= 1) || (((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((!(\old(waterLevel) <= 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel))) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && \result < 2) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2021-12-21 13:17:32,004 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == systemActive) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(1 <= pumpRunning)) || !(waterLevel <= 1)) || \result == methaneLevelCritical) || !(1 <= switchedOnBeforeTS)) && ((((((!(waterLevel <= 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(1 <= pumpRunning)) || \result == methaneLevelCritical) || !(1 <= switchedOnBeforeTS))) && ((((((!(waterLevel <= 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(1 <= pumpRunning)) || \result == methaneLevelCritical) || !(1 <= switchedOnBeforeTS))) && ((((((!(1 == systemActive) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(1 <= pumpRunning)) || !(waterLevel <= 1)) || \result == methaneLevelCritical) || !(1 <= switchedOnBeforeTS))) && (((((!(pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || \result == methaneLevelCritical)) && (((((!(pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || \result == methaneLevelCritical) [2021-12-21 13:17:32,004 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) && (((((!(1 == systemActive) || !(0 <= waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1)) || (pumpRunning == 0 && !(\result == 0)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || (pumpRunning == 0 && !(\result == 0)))) && (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && !(\result == 0)))) && (((((!(1 < waterLevel) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2))) && (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && !(\result == 0))) [2021-12-21 13:17:32,004 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == systemActive) || !(0 <= waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && (((((!(1 < waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || (pumpRunning == 0 && tmp == methaneLevelCritical))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || (1 <= pumpRunning && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) [2021-12-21 13:17:32,004 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == systemActive) || !(0 <= waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || (1 <= pumpRunning && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) [2021-12-21 13:17:32,004 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) && (((((!(1 == systemActive) || !(0 <= waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 0) && \result == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 0) && \result == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) [2021-12-21 13:17:32,040 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 13:17:32,041 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 13:17:32,041 INFO L158 Benchmark]: Toolchain (without parser) took 36670.81ms. Allocated memory was 109.1MB in the beginning and 232.8MB in the end (delta: 123.7MB). Free memory was 78.6MB in the beginning and 73.2MB in the end (delta: 5.4MB). Peak memory consumption was 129.7MB. Max. memory is 16.1GB. [2021-12-21 13:17:32,042 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 13:17:32,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.64ms. Allocated memory is still 109.1MB. Free memory was 78.6MB in the beginning and 77.8MB in the end (delta: 807.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 13:17:32,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.14ms. Allocated memory is still 109.1MB. Free memory was 77.8MB in the beginning and 75.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:17:32,043 INFO L158 Benchmark]: Boogie Preprocessor took 23.49ms. Allocated memory is still 109.1MB. Free memory was 75.7MB in the beginning and 73.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 13:17:32,043 INFO L158 Benchmark]: RCFGBuilder took 561.57ms. Allocated memory is still 109.1MB. Free memory was 73.6MB in the beginning and 56.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-21 13:17:32,044 INFO L158 Benchmark]: TraceAbstraction took 35524.10ms. Allocated memory was 109.1MB in the beginning and 232.8MB in the end (delta: 123.7MB). Free memory was 55.9MB in the beginning and 80.6MB in the end (delta: -24.7MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. [2021-12-21 13:17:32,044 INFO L158 Benchmark]: Witness Printer took 80.01ms. Allocated memory is still 232.8MB. Free memory was 80.6MB in the beginning and 73.2MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 13:17:32,047 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.64ms. Allocated memory is still 109.1MB. Free memory was 78.6MB in the beginning and 77.8MB in the end (delta: 807.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.14ms. Allocated memory is still 109.1MB. Free memory was 77.8MB in the beginning and 75.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.49ms. Allocated memory is still 109.1MB. Free memory was 75.7MB in the beginning and 73.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 561.57ms. Allocated memory is still 109.1MB. Free memory was 73.6MB in the beginning and 56.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 35524.10ms. Allocated memory was 109.1MB in the beginning and 232.8MB in the end (delta: 123.7MB). Free memory was 55.9MB in the beginning and 80.6MB in the end (delta: -24.7MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. * Witness Printer took 80.01ms. Allocated memory is still 232.8MB. Free memory was 80.6MB in the beginning and 73.2MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.4s, OverallIterations: 14, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7745 SdHoareTripleChecker+Valid, 6.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7681 mSDsluCounter, 8846 SdHoareTripleChecker+Invalid, 5.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6577 mSDsCounter, 3516 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12643 IncrementalHoareTripleChecker+Invalid, 16159 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3516 mSolverCounterUnsat, 2269 mSDtfsCounter, 12643 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2665 GetRequests, 2271 SyntacticMatches, 13 SemanticMatches, 381 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5378 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1270occurred in iteration=13, InterpolantAutomatonStates: 290, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 721 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 3894 PreInvPairs, 4263 NumberOfFragments, 7383 HoareAnnotationTreeSize, 3894 FomulaSimplifications, 13051 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 48 FomulaSimplificationsInter, 65092 FormulaSimplificationTreeSizeReductionInter, 13.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 2466 NumberOfCodeBlocks, 2466 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3432 ConstructedInterpolants, 0 QuantifiedInterpolants, 8104 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3662 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 24 InterpolantComputations, 9 PerfectInterpolantSequences, 3114/3687 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: 365]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((((((((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 0) && 0 <= waterLevel)) || (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || ((pumpRunning == 0 && splverifierCounter == 0) && 0 == systemActive)) || (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 0) && 0 <= waterLevel)) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 0) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (((((((((((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: ((((((((((!(1 == systemActive) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(1 <= pumpRunning)) || !(waterLevel <= 1)) || \result == methaneLevelCritical) || !(1 <= switchedOnBeforeTS)) && ((((((!(waterLevel <= 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(1 <= pumpRunning)) || \result == methaneLevelCritical) || !(1 <= switchedOnBeforeTS))) && ((((((!(waterLevel <= 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(1 <= pumpRunning)) || \result == methaneLevelCritical) || !(1 <= switchedOnBeforeTS))) && ((((((!(1 == systemActive) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(1 <= pumpRunning)) || !(waterLevel <= 1)) || \result == methaneLevelCritical) || !(1 <= switchedOnBeforeTS))) && (((((!(pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || \result == methaneLevelCritical)) && (((((!(pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || \result == methaneLevelCritical) - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) && (((((!(1 == systemActive) || !(0 <= waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1)) || (pumpRunning == 0 && !(\result == 0)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || (pumpRunning == 0 && !(\result == 0)))) && (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && !(\result == 0)))) && (((((!(1 < waterLevel) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2))) && (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && !(\result == 0))) - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 0 == systemActive - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: ((((((((((((((((!(\old(waterLevel) <= 1) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && waterLevel + 1 <= \old(waterLevel)) && 1 <= waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((!(\old(waterLevel) <= 1) || (((((pumpRunning == 0 && 1 == systemActive) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((pumpRunning == 0 && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (((((((((((pumpRunning == 0 && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: ((((((((!(1 == systemActive) || !(0 <= waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || (1 <= pumpRunning && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: (((((((((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == 0 && pumpRunning <= tmp___0) && tmp < 2) && \result < 2) && \old(waterLevel) == waterLevel)) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && pumpRunning <= tmp___0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || (((((\result <= waterLevel && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel))) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning <= tmp___0) && tmp < 2) && \result < 2) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && pumpRunning <= tmp___0) && tmp < 2) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || (2 == \result && tmp == 2)) || !(0 == systemActive))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && pumpRunning <= tmp___0) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || (((((pumpRunning == 0 && tmp < 2) && \result < 2) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && tmp <= waterLevel) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && pumpRunning <= tmp___0) && tmp < 2) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((((((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || (((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) && (((((!(1 == systemActive) || !(0 <= waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 0) && \result == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(waterLevel <= 0)) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 0) && \result == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: ((((((((((((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((((((((\result <= waterLevel && pumpRunning == 0) && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 0))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || 2 == \result) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel))) && ((((((!(\old(waterLevel) <= 1) || (((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((!(\old(waterLevel) <= 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 0) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel))) && ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && \result < 2) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((((((!(1 == systemActive) || !(0 <= waterLevel)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && (((((!(1 < waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || (pumpRunning == 0 && tmp == methaneLevelCritical))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || (1 <= pumpRunning && tmp == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: (((((((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && waterLevel + 1 <= \old(waterLevel)) && 1 <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && waterLevel + 1 <= \old(waterLevel)) && 1 <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 0))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((!(\old(waterLevel) <= 1) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 0) && 1 <= switchedOnBeforeTS) && 0 <= waterLevel)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(0 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) RESULT: Ultimate proved your program to be correct! [2021-12-21 13:17:32,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE