./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product31.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 929dace20230ddc06ca4ae48df9d26fbf35d81f20edb15688ea1cc72e971ff98 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 05:02:13,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 05:02:13,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 05:02:13,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 05:02:13,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 05:02:13,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 05:02:13,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 05:02:13,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 05:02:13,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 05:02:13,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 05:02:13,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 05:02:13,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 05:02:13,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 05:02:13,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 05:02:13,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 05:02:13,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 05:02:13,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 05:02:13,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 05:02:13,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 05:02:13,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 05:02:13,239 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 05:02:13,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 05:02:13,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 05:02:13,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 05:02:13,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 05:02:13,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 05:02:13,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 05:02:13,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 05:02:13,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 05:02:13,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 05:02:13,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 05:02:13,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 05:02:13,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 05:02:13,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 05:02:13,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 05:02:13,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 05:02:13,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 05:02:13,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 05:02:13,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 05:02:13,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 05:02:13,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 05:02:13,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 05:02:13,267 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 05:02:13,299 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 05:02:13,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 05:02:13,300 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 05:02:13,300 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 05:02:13,301 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 05:02:13,301 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 05:02:13,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 05:02:13,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 05:02:13,302 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 05:02:13,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 05:02:13,304 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 05:02:13,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 05:02:13,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 05:02:13,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 05:02:13,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 05:02:13,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 05:02:13,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 05:02:13,310 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 05:02:13,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 05:02:13,311 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 05:02:13,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 05:02:13,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 05:02:13,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 05:02:13,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 05:02:13,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:02:13,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 05:02:13,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 05:02:13,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 05:02:13,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 05:02:13,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 05:02:13,313 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 05:02:13,313 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 05:02:13,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 05:02:13,314 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 929dace20230ddc06ca4ae48df9d26fbf35d81f20edb15688ea1cc72e971ff98 [2022-07-21 05:02:13,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 05:02:13,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 05:02:13,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 05:02:13,670 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 05:02:13,671 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 05:02:13,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c [2022-07-21 05:02:13,737 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58b69795c/5235c295b72e43bc94a6243e642f6662/FLAG95e990890 [2022-07-21 05:02:14,182 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 05:02:14,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c [2022-07-21 05:02:14,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58b69795c/5235c295b72e43bc94a6243e642f6662/FLAG95e990890 [2022-07-21 05:02:14,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58b69795c/5235c295b72e43bc94a6243e642f6662 [2022-07-21 05:02:14,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 05:02:14,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 05:02:14,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 05:02:14,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 05:02:14,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 05:02:14,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:02:14" (1/1) ... [2022-07-21 05:02:14,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@532c5302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:14, skipping insertion in model container [2022-07-21 05:02:14,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:02:14" (1/1) ... [2022-07-21 05:02:14,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 05:02:14,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 05:02:14,758 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_product31.cil.c[1605,1618] [2022-07-21 05:02:14,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:02:14,895 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 05:02:14,906 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_product31.cil.c[1605,1618] [2022-07-21 05:02:14,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:02:15,008 INFO L208 MainTranslator]: Completed translation [2022-07-21 05:02:15,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:15 WrapperNode [2022-07-21 05:02:15,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 05:02:15,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 05:02:15,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 05:02:15,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 05:02:15,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:15" (1/1) ... [2022-07-21 05:02:15,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:15" (1/1) ... [2022-07-21 05:02:15,075 INFO L137 Inliner]: procedures = 57, calls = 160, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 253 [2022-07-21 05:02:15,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 05:02:15,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 05:02:15,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 05:02:15,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 05:02:15,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:15" (1/1) ... [2022-07-21 05:02:15,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:15" (1/1) ... [2022-07-21 05:02:15,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:15" (1/1) ... [2022-07-21 05:02:15,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:15" (1/1) ... [2022-07-21 05:02:15,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:15" (1/1) ... [2022-07-21 05:02:15,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:15" (1/1) ... [2022-07-21 05:02:15,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:15" (1/1) ... [2022-07-21 05:02:15,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 05:02:15,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 05:02:15,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 05:02:15,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 05:02:15,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:15" (1/1) ... [2022-07-21 05:02:15,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:02:15,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:02:15,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 05:02:15,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 05:02:15,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 05:02:15,186 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-21 05:02:15,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-21 05:02:15,186 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-21 05:02:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-21 05:02:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-21 05:02:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-21 05:02:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-21 05:02:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-21 05:02:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-21 05:02:15,188 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-21 05:02:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-07-21 05:02:15,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-07-21 05:02:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-21 05:02:15,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-21 05:02:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-21 05:02:15,189 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-21 05:02:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 05:02:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-21 05:02:15,189 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-21 05:02:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 05:02:15,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 05:02:15,262 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 05:02:15,263 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 05:02:15,635 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 05:02:15,657 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 05:02:15,658 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-21 05:02:15,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:02:15 BoogieIcfgContainer [2022-07-21 05:02:15,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 05:02:15,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 05:02:15,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 05:02:15,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 05:02:15,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:02:14" (1/3) ... [2022-07-21 05:02:15,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38edc9b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:02:15, skipping insertion in model container [2022-07-21 05:02:15,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:02:15" (2/3) ... [2022-07-21 05:02:15,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38edc9b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:02:15, skipping insertion in model container [2022-07-21 05:02:15,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:02:15" (3/3) ... [2022-07-21 05:02:15,667 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product31.cil.c [2022-07-21 05:02:15,680 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 05:02:15,680 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 05:02:15,744 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 05:02:15,752 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@40534c7f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5b8f21d7 [2022-07-21 05:02:15,753 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 05:02:15,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 73 states have (on average 1.356164383561644) internal successors, (99), 82 states have internal predecessors, (99), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2022-07-21 05:02:15,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 05:02:15,773 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:15,774 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:15,774 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:15,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:15,781 INFO L85 PathProgramCache]: Analyzing trace with hash -759903352, now seen corresponding path program 1 times [2022-07-21 05:02:15,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:15,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79363024] [2022-07-21 05:02:15,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:15,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:16,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 05:02:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:16,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 05:02:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:16,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:16,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:16,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79363024] [2022-07-21 05:02:16,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79363024] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:16,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:16,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 05:02:16,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485536437] [2022-07-21 05:02:16,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:16,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 05:02:16,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:16,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 05:02:16,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 05:02:16,127 INFO L87 Difference]: Start difference. First operand has 100 states, 73 states have (on average 1.356164383561644) internal successors, (99), 82 states have internal predecessors, (99), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 05:02:16,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:16,181 INFO L93 Difference]: Finished difference Result 191 states and 256 transitions. [2022-07-21 05:02:16,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 05:02:16,183 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-07-21 05:02:16,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:16,195 INFO L225 Difference]: With dead ends: 191 [2022-07-21 05:02:16,195 INFO L226 Difference]: Without dead ends: 91 [2022-07-21 05:02:16,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 05:02:16,203 INFO L413 NwaCegarLoop]: 125 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, 125 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:16,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:02:16,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-07-21 05:02:16,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-07-21 05:02:16,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 66 states have (on average 1.2878787878787878) internal successors, (85), 74 states have internal predecessors, (85), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-21 05:02:16,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 116 transitions. [2022-07-21 05:02:16,255 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 116 transitions. Word has length 32 [2022-07-21 05:02:16,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:16,255 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 116 transitions. [2022-07-21 05:02:16,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 05:02:16,257 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 116 transitions. [2022-07-21 05:02:16,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-21 05:02:16,260 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:16,261 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:16,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 05:02:16,262 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:16,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:16,263 INFO L85 PathProgramCache]: Analyzing trace with hash 852259136, now seen corresponding path program 1 times [2022-07-21 05:02:16,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:16,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489776837] [2022-07-21 05:02:16,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:16,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:16,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 05:02:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:16,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 05:02:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:16,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:02:16,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:16,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489776837] [2022-07-21 05:02:16,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489776837] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:16,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:16,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 05:02:16,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275881903] [2022-07-21 05:02:16,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:16,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:02:16,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:16,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:02:16,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:02:16,369 INFO L87 Difference]: Start difference. First operand 91 states and 116 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) [2022-07-21 05:02:16,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:16,414 INFO L93 Difference]: Finished difference Result 256 states and 334 transitions. [2022-07-21 05:02:16,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:02:16,415 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 [2022-07-21 05:02:16,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:16,422 INFO L225 Difference]: With dead ends: 256 [2022-07-21 05:02:16,422 INFO L226 Difference]: Without dead ends: 173 [2022-07-21 05:02:16,424 INFO L412 NwaCegarLoop]: 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 [2022-07-21 05:02:16,427 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 91 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 248 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 [2022-07-21 05:02:16,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 248 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:02:16,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-07-21 05:02:16,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2022-07-21 05:02:16,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 121 states have (on average 1.3057851239669422) internal successors, (158), 136 states have internal predecessors, (158), 32 states have call successors, (32), 18 states have call predecessors, (32), 16 states have return successors, (30), 21 states have call predecessors, (30), 30 states have call successors, (30) [2022-07-21 05:02:16,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 220 transitions. [2022-07-21 05:02:16,454 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 220 transitions. Word has length 37 [2022-07-21 05:02:16,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:16,455 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 220 transitions. [2022-07-21 05:02:16,455 INFO L496 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) [2022-07-21 05:02:16,455 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 220 transitions. [2022-07-21 05:02:16,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-21 05:02:16,457 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:02:16,457 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:02:16,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 05:02:16,457 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:02:16,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:02:16,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1794651926, now seen corresponding path program 1 times [2022-07-21 05:02:16,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:02:16,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843319523] [2022-07-21 05:02:16,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:02:16,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:02:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:16,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 05:02:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:16,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 05:02:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:16,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:02:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:16,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 05:02:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:02:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-21 05:02:16,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:02:16,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843319523] [2022-07-21 05:02:16,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843319523] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:02:16,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:02:16,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 05:02:16,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227828300] [2022-07-21 05:02:16,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:02:16,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 05:02:16,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:02:16,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 05:02:16,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:02:16,592 INFO L87 Difference]: Start difference. First operand 170 states and 220 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-21 05:02:16,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:02:16,785 INFO L93 Difference]: Finished difference Result 290 states and 385 transitions. [2022-07-21 05:02:16,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 05:02:16,785 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 47 [2022-07-21 05:02:16,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:02:16,786 INFO L225 Difference]: With dead ends: 290 [2022-07-21 05:02:16,786 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 05:02:16,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-07-21 05:02:16,789 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 69 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:02:16,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 240 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:02:16,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 05:02:16,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 05:02:16,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 05:02:16,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 05:02:16,791 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2022-07-21 05:02:16,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:02:16,791 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 05:02:16,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-21 05:02:16,792 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 05:02:16,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 05:02:16,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 05:02:16,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 05:02:16,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 05:02:17,202 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 255 262) the Hoare annotation is: true [2022-07-21 05:02:17,203 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 255 262) no Hoare annotation was computed. [2022-07-21 05:02:17,203 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 255 262) no Hoare annotation was computed. [2022-07-21 05:02:17,203 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 171 177) no Hoare annotation was computed. [2022-07-21 05:02:17,203 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 171 177) the Hoare annotation is: true [2022-07-21 05:02:17,203 INFO L899 garLoopResultBuilder]: For program point L385-1(lines 381 392) no Hoare annotation was computed. [2022-07-21 05:02:17,204 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 381 392) the Hoare annotation is: true [2022-07-21 05:02:17,204 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 381 392) no Hoare annotation was computed. [2022-07-21 05:02:17,204 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 445 474) no Hoare annotation was computed. [2022-07-21 05:02:17,204 INFO L895 garLoopResultBuilder]: At program point cleanupENTRY(lines 445 474) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 05:02:17,204 INFO L902 garLoopResultBuilder]: At program point L470(lines 445 474) the Hoare annotation is: true [2022-07-21 05:02:17,204 INFO L899 garLoopResultBuilder]: For program point L466(line 466) no Hoare annotation was computed. [2022-07-21 05:02:17,205 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 463) no Hoare annotation was computed. [2022-07-21 05:02:17,205 INFO L895 garLoopResultBuilder]: At program point L459-1(lines 459 463) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 05:02:17,205 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-07-21 05:02:17,205 INFO L895 garLoopResultBuilder]: At program point L455-2(lines 455 469) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 05:02:17,205 INFO L895 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 05:02:17,206 INFO L899 garLoopResultBuilder]: For program point L451-1(line 451) no Hoare annotation was computed. [2022-07-21 05:02:17,206 INFO L895 garLoopResultBuilder]: At program point L927(lines 920 929) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 05:02:17,206 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 157) no Hoare annotation was computed. [2022-07-21 05:02:17,206 INFO L899 garLoopResultBuilder]: For program point L151-2(lines 147 169) no Hoare annotation was computed. [2022-07-21 05:02:17,206 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 221) no Hoare annotation was computed. [2022-07-21 05:02:17,207 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 226) no Hoare annotation was computed. [2022-07-21 05:02:17,207 INFO L895 garLoopResultBuilder]: At program point L940(line 940) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 05:02:17,207 INFO L899 garLoopResultBuilder]: For program point L940-1(line 940) no Hoare annotation was computed. [2022-07-21 05:02:17,207 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 144 170) no Hoare annotation was computed. [2022-07-21 05:02:17,207 INFO L895 garLoopResultBuilder]: At program point L925(line 925) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 05:02:17,207 INFO L899 garLoopResultBuilder]: For program point L925-1(line 925) no Hoare annotation was computed. [2022-07-21 05:02:17,208 INFO L895 garLoopResultBuilder]: At program point L219(line 219) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-21 05:02:17,208 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-21 05:02:17,208 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-07-21 05:02:17,208 INFO L895 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-21 05:02:17,208 INFO L899 garLoopResultBuilder]: For program point L211-1(line 211) no Hoare annotation was computed. [2022-07-21 05:02:17,209 INFO L895 garLoopResultBuilder]: At program point L430(lines 425 433) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 05:02:17,209 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 952) no Hoare annotation was computed. [2022-07-21 05:02:17,209 INFO L899 garLoopResultBuilder]: For program point L938(lines 938 955) no Hoare annotation was computed. [2022-07-21 05:02:17,209 INFO L895 garLoopResultBuilder]: At program point L938-1(lines 930 958) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 05:02:17,209 INFO L895 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 05:02:17,209 INFO L895 garLoopResultBuilder]: At program point L224-1(lines 205 229) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 05:02:17,210 INFO L899 garLoopResultBuilder]: For program point L158-1(lines 158 164) no Hoare annotation was computed. [2022-07-21 05:02:17,210 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-21 05:02:17,210 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 144 170) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 05:02:17,210 INFO L899 garLoopResultBuilder]: For program point L943(lines 943 949) no Hoare annotation was computed. [2022-07-21 05:02:17,210 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 144 170) no Hoare annotation was computed. [2022-07-21 05:02:17,211 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 365) no Hoare annotation was computed. [2022-07-21 05:02:17,211 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-07-21 05:02:17,211 INFO L895 garLoopResultBuilder]: At program point L361-2(lines 357 368) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-21 05:02:17,211 INFO L895 garLoopResultBuilder]: At program point L122(lines 73 123) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-07-21 05:02:17,211 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-07-21 05:02:17,212 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-07-21 05:02:17,212 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 116) no Hoare annotation was computed. [2022-07-21 05:02:17,212 INFO L895 garLoopResultBuilder]: At program point L110-2(lines 104 117) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-07-21 05:02:17,212 INFO L902 garLoopResultBuilder]: At program point L515(lines 507 517) the Hoare annotation is: true [2022-07-21 05:02:17,212 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 05:02:17,213 INFO L895 garLoopResultBuilder]: At program point L990(lines 985 993) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-21 05:02:17,213 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2022-07-21 05:02:17,213 INFO L895 garLoopResultBuilder]: At program point L350(lines 338 352) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-07-21 05:02:17,213 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 05:02:17,213 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 94 100) no Hoare annotation was computed. [2022-07-21 05:02:17,213 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 05:02:17,214 INFO L902 garLoopResultBuilder]: At program point L540(lines 521 543) the Hoare annotation is: true [2022-07-21 05:02:17,214 INFO L895 garLoopResultBuilder]: At program point L503(lines 499 505) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-21 05:02:17,214 INFO L895 garLoopResultBuilder]: At program point L119(lines 74 121) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-07-21 05:02:17,215 INFO L895 garLoopResultBuilder]: At program point L982(lines 978 984) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-21 05:02:17,219 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-07-21 05:02:17,220 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 348) no Hoare annotation was computed. [2022-07-21 05:02:17,220 INFO L899 garLoopResultBuilder]: For program point L342-1(lines 342 348) no Hoare annotation was computed. [2022-07-21 05:02:17,221 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 05:02:17,221 INFO L895 garLoopResultBuilder]: At program point L917(lines 912 919) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-21 05:02:17,221 INFO L895 garLoopResultBuilder]: At program point L975(lines 971 977) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-07-21 05:02:17,221 INFO L899 garLoopResultBuilder]: For program point L75(lines 74 121) no Hoare annotation was computed. [2022-07-21 05:02:17,221 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 117) no Hoare annotation was computed. [2022-07-21 05:02:17,222 INFO L895 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-07-21 05:02:17,222 INFO L902 garLoopResultBuilder]: At program point L125(lines 64 129) the Hoare annotation is: true [2022-07-21 05:02:17,223 INFO L895 garLoopResultBuilder]: At program point L344(line 344) the Hoare annotation is: false [2022-07-21 05:02:17,224 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2022-07-21 05:02:17,224 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2022-07-21 05:02:17,224 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2022-07-21 05:02:17,224 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 369 380) no Hoare annotation was computed. [2022-07-21 05:02:17,224 INFO L899 garLoopResultBuilder]: For program point L373-1(lines 369 380) no Hoare annotation was computed. [2022-07-21 05:02:17,224 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 369 380) the Hoare annotation is: true [2022-07-21 05:02:17,225 INFO L895 garLoopResultBuilder]: At program point L193(line 193) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-21 05:02:17,225 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-21 05:02:17,225 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 195) no Hoare annotation was computed. [2022-07-21 05:02:17,225 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 200) no Hoare annotation was computed. [2022-07-21 05:02:17,225 INFO L895 garLoopResultBuilder]: At program point L439(lines 434 442) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-21 05:02:17,226 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 179 203) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 05:02:17,226 INFO L895 garLoopResultBuilder]: At program point L334(lines 319 337) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-21 05:02:17,226 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 179 203) no Hoare annotation was computed. [2022-07-21 05:02:17,226 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 332) no Hoare annotation was computed. [2022-07-21 05:02:17,226 INFO L899 garLoopResultBuilder]: For program point L328-2(lines 328 332) no Hoare annotation was computed. [2022-07-21 05:02:17,226 INFO L895 garLoopResultBuilder]: At program point L198(line 198) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-21 05:02:17,226 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 179 203) no Hoare annotation was computed. [2022-07-21 05:02:17,226 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 274 282) no Hoare annotation was computed. [2022-07-21 05:02:17,226 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 274 282) the Hoare annotation is: true [2022-07-21 05:02:17,227 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 274 282) no Hoare annotation was computed. [2022-07-21 05:02:17,227 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 263 273) the Hoare annotation is: true [2022-07-21 05:02:17,227 INFO L902 garLoopResultBuilder]: At program point L398(lines 393 401) the Hoare annotation is: true [2022-07-21 05:02:17,227 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 263 273) no Hoare annotation was computed. [2022-07-21 05:02:17,227 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 263 273) no Hoare annotation was computed. [2022-07-21 05:02:17,230 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-07-21 05:02:17,233 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 05:02:17,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 05:02:17 BoogieIcfgContainer [2022-07-21 05:02:17,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 05:02:17,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 05:02:17,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 05:02:17,251 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 05:02:17,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:02:15" (3/4) ... [2022-07-21 05:02:17,253 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 05:02:17,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-21 05:02:17,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-21 05:02:17,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-21 05:02:17,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-21 05:02:17,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-21 05:02:17,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-21 05:02:17,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-21 05:02:17,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-07-21 05:02:17,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-21 05:02:17,267 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-07-21 05:02:17,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-21 05:02:17,269 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-21 05:02:17,269 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 05:02:17,269 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 05:02:17,270 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:02:17,270 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:02:17,293 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-21 05:02:17,294 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-21 05:02:17,295 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-21 05:02:17,296 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-21 05:02:17,297 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-21 05:02:17,297 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-21 05:02:17,297 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-07-21 05:02:17,298 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-21 05:02:17,298 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-21 05:02:17,336 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 05:02:17,336 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 05:02:17,337 INFO L158 Benchmark]: Toolchain (without parser) took 2770.40ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 28.6MB in the beginning and 53.8MB in the end (delta: -25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-21 05:02:17,337 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 37.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 05:02:17,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.49ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.3MB in the beginning and 38.1MB in the end (delta: -9.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2022-07-21 05:02:17,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.50ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 35.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:02:17,338 INFO L158 Benchmark]: Boogie Preprocessor took 45.93ms. Allocated memory is still 62.9MB. Free memory was 35.5MB in the beginning and 34.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:02:17,338 INFO L158 Benchmark]: RCFGBuilder took 536.75ms. Allocated memory is still 62.9MB. Free memory was 34.0MB in the beginning and 33.4MB in the end (delta: 605.4kB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2022-07-21 05:02:17,339 INFO L158 Benchmark]: TraceAbstraction took 1588.41ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 32.6MB in the beginning and 32.9MB in the end (delta: -232.9kB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-07-21 05:02:17,339 INFO L158 Benchmark]: Witness Printer took 85.79ms. Allocated memory is still 75.5MB. Free memory was 32.9MB in the beginning and 53.8MB in the end (delta: -21.0MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2022-07-21 05:02:17,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 37.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.49ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.3MB in the beginning and 38.1MB in the end (delta: -9.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.50ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 35.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.93ms. Allocated memory is still 62.9MB. Free memory was 35.5MB in the beginning and 34.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.75ms. Allocated memory is still 62.9MB. Free memory was 34.0MB in the beginning and 33.4MB in the end (delta: 605.4kB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1588.41ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 32.6MB in the beginning and 32.9MB in the end (delta: -232.9kB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Witness Printer took 85.79ms. Allocated memory is still 75.5MB. Free memory was 32.9MB in the beginning and 53.8MB in the end (delta: -21.0MB). Peak memory consumption was 6.7MB. 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, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 160 mSDsluCounter, 613 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 281 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 332 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 393 PreInvPairs, 452 NumberOfFragments, 213 HoareAnnotationTreeSize, 393 FomulaSimplifications, 40 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 509 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 231 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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: 74]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2022-07-21 05:02:17,397 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