./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-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(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 586e2c87093d9cb3f870b8341d8eab6b70b165e3f162b5ed0d4d08ed0a9ba515 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:17:45,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:17:45,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:17:45,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:17:45,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:17:45,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:17:45,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:17:45,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:17:45,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:17:45,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:17:45,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:17:45,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:17:45,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:17:45,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:17:45,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:17:45,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:17:45,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:17:45,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:17:45,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:17:45,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:17:45,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:17:45,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:17:45,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:17:45,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:17:45,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:17:45,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:17:45,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:17:45,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:17:45,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:17:45,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:17:45,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:17:45,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:17:45,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:17:45,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:17:45,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:17:45,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:17:45,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:17:45,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:17:45,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:17:45,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:17:45,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:17:45,385 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:17:45,411 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:17:45,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:17:45,412 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:17:45,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:17:45,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:17:45,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:17:45,414 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:17:45,414 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:17:45,414 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:17:45,414 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:17:45,415 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:17:45,415 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:17:45,415 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:17:45,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:17:45,416 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:17:45,416 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:17:45,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:17:45,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:17:45,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:17:45,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:17:45,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:17:45,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:17:45,417 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:17:45,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:17:45,417 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:17:45,417 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:17:45,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:17:45,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:17:45,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:17:45,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:17:45,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:17:45,419 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:17:45,419 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 586e2c87093d9cb3f870b8341d8eab6b70b165e3f162b5ed0d4d08ed0a9ba515 [2022-02-21 04:17:45,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:17:45,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:17:45,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:17:45,656 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:17:45,657 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:17:45,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2022-02-21 04:17:45,703 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47a1408bf/5c8d9dd06367426ea61366a14799bf13/FLAG1e40319d1 [2022-02-21 04:17:46,117 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:17:46,117 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product25.cil.c [2022-02-21 04:17:46,131 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47a1408bf/5c8d9dd06367426ea61366a14799bf13/FLAG1e40319d1 [2022-02-21 04:17:46,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47a1408bf/5c8d9dd06367426ea61366a14799bf13 [2022-02-21 04:17:46,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:17:46,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:17:46,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:17:46,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:17:46,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:17:46,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:17:46" (1/1) ... [2022-02-21 04:17:46,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76db8331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:46, skipping insertion in model container [2022-02-21 04:17:46,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:17:46" (1/1) ... [2022-02-21 04:17:46,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:17:46,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:17:46,314 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_spec4_product25.cil.c[1605,1618] [2022-02-21 04:17:46,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:17:46,473 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:17:46,485 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_spec4_product25.cil.c[1605,1618] [2022-02-21 04:17:46,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:17:46,570 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:17:46,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:46 WrapperNode [2022-02-21 04:17:46,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:17:46,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:17:46,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:17:46,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:17:46,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:46" (1/1) ... [2022-02-21 04:17:46,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:46" (1/1) ... [2022-02-21 04:17:46,633 INFO L137 Inliner]: procedures = 53, calls = 151, calls flagged for inlining = 48, calls inlined = 47, statements flattened = 377 [2022-02-21 04:17:46,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:17:46,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:17:46,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:17:46,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:17:46,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:46" (1/1) ... [2022-02-21 04:17:46,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:46" (1/1) ... [2022-02-21 04:17:46,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:46" (1/1) ... [2022-02-21 04:17:46,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:46" (1/1) ... [2022-02-21 04:17:46,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:46" (1/1) ... [2022-02-21 04:17:46,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:46" (1/1) ... [2022-02-21 04:17:46,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:46" (1/1) ... [2022-02-21 04:17:46,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:17:46,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:17:46,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:17:46,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:17:46,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:46" (1/1) ... [2022-02-21 04:17:46,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:17:46,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:17:46,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:17:46,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-02-21 04:17:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:17:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:17:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:17:46,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:17:46,789 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:17:46,790 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:17:47,032 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:17:47,037 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:17:47,038 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:17:47,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:47 BoogieIcfgContainer [2022-02-21 04:17:47,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:17:47,040 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:17:47,040 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:17:47,042 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:17:47,043 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:47,043 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:17:46" (1/3) ... [2022-02-21 04:17:47,044 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b1b1f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:17:47, skipping insertion in model container [2022-02-21 04:17:47,044 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:47,044 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:46" (2/3) ... [2022-02-21 04:17:47,044 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b1b1f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:17:47, skipping insertion in model container [2022-02-21 04:17:47,044 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:47,045 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:47" (3/3) ... [2022-02-21 04:17:47,046 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product25.cil.c [2022-02-21 04:17:47,077 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:17:47,078 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:17:47,078 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:17:47,078 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:17:47,078 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:17:47,078 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:17:47,078 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:17:47,078 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:17:47,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 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) [2022-02-21 04:17:47,126 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-02-21 04:17:47,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:47,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:47,130 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:47,131 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:47,131 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:17:47,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 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) [2022-02-21 04:17:47,149 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-02-21 04:17:47,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:47,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:47,150 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:47,150 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:47,157 INFO L791 eck$LassoCheckResult]: Stem: 96#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 33#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 20#L332true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 56#L325true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 84#L340true main_#t~ret51#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 47#L909true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 102#L886true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 26#L73-2true [2022-02-21 04:17:47,165 INFO L793 eck$LassoCheckResult]: Loop: 26#L73-2true assume !false; 60#L74true assume test_~splverifierCounter~0#1 < 4; 53#L75true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 18#L83true assume !(0 != test_~tmp~0#1); 90#L83-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 30#L93true assume !(0 != test_~tmp___0~0#1); 80#L93-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 94#L103true assume 0 != test_~tmp___2~0#1; 98#L109-2true assume { :begin_inline_timeShift } true; 9#L144true assume !(0 != ~pumpRunning~0); 59#L144-2true assume !(0 != ~systemActive~0); 28#L151-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret21#1, __utac_acc__Specification4_spec__1_#t~ret22#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 21#L447true __utac_acc__Specification4_spec__1_#t~ret21#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret21#1;havoc __utac_acc__Specification4_spec__1_#t~ret21#1; 48#L354true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 34#L354-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 12#L161true assume { :end_inline_timeShift } true; 26#L73-2true [2022-02-21 04:17:47,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:47,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-02-21 04:17:47,183 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:47,184 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691763962] [2022-02-21 04:17:47,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:47,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:47,318 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:47,363 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:47,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:47,365 INFO L85 PathProgramCache]: Analyzing trace with hash -828886172, now seen corresponding path program 1 times [2022-02-21 04:17:47,365 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:47,366 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749951681] [2022-02-21 04:17:47,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:47,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:47,373 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:47,379 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:47,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:47,380 INFO L85 PathProgramCache]: Analyzing trace with hash 526532904, now seen corresponding path program 1 times [2022-02-21 04:17:47,380 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:47,381 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347194101] [2022-02-21 04:17:47,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:47,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:17:47,545 INFO L290 TraceCheckUtils]: 0: Hoare triple {110#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {112#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:47,546 INFO L290 TraceCheckUtils]: 1: Hoare triple {112#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; {112#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:47,547 INFO L290 TraceCheckUtils]: 2: Hoare triple {112#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {112#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:47,547 INFO L290 TraceCheckUtils]: 3: Hoare triple {112#(= 1 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; {113#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:17:47,548 INFO L290 TraceCheckUtils]: 4: Hoare triple {113#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret51#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; {114#(= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0)} is VALID [2022-02-21 04:17:47,548 INFO L290 TraceCheckUtils]: 5: Hoare triple {114#(= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0)} assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:47,549 INFO L290 TraceCheckUtils]: 6: Hoare triple {115#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:47,549 INFO L290 TraceCheckUtils]: 7: Hoare triple {115#(not (= 0 ~systemActive~0))} assume !false; {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:47,550 INFO L290 TraceCheckUtils]: 8: Hoare triple {115#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:47,550 INFO L290 TraceCheckUtils]: 9: Hoare triple {115#(not (= 0 ~systemActive~0))} test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:47,551 INFO L290 TraceCheckUtils]: 10: Hoare triple {115#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~0#1); {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:47,551 INFO L290 TraceCheckUtils]: 11: Hoare triple {115#(not (= 0 ~systemActive~0))} test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:47,552 INFO L290 TraceCheckUtils]: 12: Hoare triple {115#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0#1); {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:47,553 INFO L290 TraceCheckUtils]: 13: Hoare triple {115#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:47,553 INFO L290 TraceCheckUtils]: 14: Hoare triple {115#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0#1; {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:47,554 INFO L290 TraceCheckUtils]: 15: Hoare triple {115#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:47,554 INFO L290 TraceCheckUtils]: 16: Hoare triple {115#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:47,555 INFO L290 TraceCheckUtils]: 17: Hoare triple {115#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {111#false} is VALID [2022-02-21 04:17:47,555 INFO L290 TraceCheckUtils]: 18: Hoare triple {111#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret21#1, __utac_acc__Specification4_spec__1_#t~ret22#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; {111#false} is VALID [2022-02-21 04:17:47,555 INFO L290 TraceCheckUtils]: 19: Hoare triple {111#false} __utac_acc__Specification4_spec__1_#t~ret21#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret21#1;havoc __utac_acc__Specification4_spec__1_#t~ret21#1; {111#false} is VALID [2022-02-21 04:17:47,555 INFO L290 TraceCheckUtils]: 20: Hoare triple {111#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); {111#false} is VALID [2022-02-21 04:17:47,555 INFO L290 TraceCheckUtils]: 21: Hoare triple {111#false} assume { :end_inline___utac_acc__Specification4_spec__1 } true; {111#false} is VALID [2022-02-21 04:17:47,556 INFO L290 TraceCheckUtils]: 22: Hoare triple {111#false} assume { :end_inline_timeShift } true; {111#false} is VALID [2022-02-21 04:17:47,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:17:47,557 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:17:47,557 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347194101] [2022-02-21 04:17:47,557 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347194101] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:17:47,558 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:17:47,558 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:17:47,558 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881060666] [2022-02-21 04:17:47,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:17:47,700 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:17:47,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:17:47,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:17:47,727 INFO L87 Difference]: Start difference. First operand has 102 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 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) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2022-02-21 04:17:48,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:48,005 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2022-02-21 04:17:48,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 04:17:48,006 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2022-02-21 04:17:48,023 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:17:48,038 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 124 transitions. [2022-02-21 04:17:48,045 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-02-21 04:17:48,052 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 89 states and 114 transitions. [2022-02-21 04:17:48,053 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2022-02-21 04:17:48,053 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 89 [2022-02-21 04:17:48,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 114 transitions. [2022-02-21 04:17:48,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:17:48,056 INFO L681 BuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-02-21 04:17:48,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 114 transitions. [2022-02-21 04:17:48,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-02-21 04:17:48,078 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:17:48,081 INFO L82 GeneralOperation]: Start isEquivalent. First operand 89 states and 114 transitions. Second operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 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) [2022-02-21 04:17:48,082 INFO L74 IsIncluded]: Start isIncluded. First operand 89 states and 114 transitions. Second operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 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) [2022-02-21 04:17:48,084 INFO L87 Difference]: Start difference. First operand 89 states and 114 transitions. Second operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 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) [2022-02-21 04:17:48,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:48,086 INFO L93 Difference]: Finished difference Result 89 states and 114 transitions. [2022-02-21 04:17:48,087 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2022-02-21 04:17:48,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:48,088 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:48,088 INFO L74 IsIncluded]: Start isIncluded. First operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 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) Second operand 89 states and 114 transitions. [2022-02-21 04:17:48,088 INFO L87 Difference]: Start difference. First operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 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) Second operand 89 states and 114 transitions. [2022-02-21 04:17:48,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:48,091 INFO L93 Difference]: Finished difference Result 89 states and 114 transitions. [2022-02-21 04:17:48,091 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2022-02-21 04:17:48,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:48,092 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:48,092 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:17:48,092 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:17:48,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 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) [2022-02-21 04:17:48,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2022-02-21 04:17:48,095 INFO L704 BuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-02-21 04:17:48,095 INFO L587 BuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-02-21 04:17:48,095 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:17:48,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 114 transitions. [2022-02-21 04:17:48,096 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-02-21 04:17:48,096 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:48,096 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:48,097 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:48,097 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:48,097 INFO L791 eck$LassoCheckResult]: Stem: 306#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 293#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 271#L332 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 272#L325 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 282#L340 main_#t~ret51#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 283#L909 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 307#L886 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 247#L73-2 [2022-02-21 04:17:48,097 INFO L793 eck$LassoCheckResult]: Loop: 247#L73-2 assume !false; 226#L74 assume test_~splverifierCounter~0#1 < 4; 227#L75 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 259#L83 assume !(0 != test_~tmp~0#1); 261#L83-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 279#L93 assume !(0 != test_~tmp___0~0#1); 275#L93-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 276#L103 assume 0 != test_~tmp___2~0#1; 296#L109-2 assume { :begin_inline_timeShift } true; 238#L144 assume !(0 != ~pumpRunning~0); 224#L144-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 225#L176 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 297#L168-1 assume { :end_inline_processEnvironment__wrappee__base } true; 231#L176-1 assume { :end_inline_processEnvironment } true; 262#L151-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret21#1, __utac_acc__Specification4_spec__1_#t~ret22#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 267#L447 __utac_acc__Specification4_spec__1_#t~ret21#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret21#1;havoc __utac_acc__Specification4_spec__1_#t~ret21#1; 268#L354 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 253#L354-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 246#L161 assume { :end_inline_timeShift } true; 247#L73-2 [2022-02-21 04:17:48,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:48,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-02-21 04:17:48,098 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:48,098 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783520125] [2022-02-21 04:17:48,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:48,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:48,112 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:48,124 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:48,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:48,125 INFO L85 PathProgramCache]: Analyzing trace with hash -646833821, now seen corresponding path program 1 times [2022-02-21 04:17:48,125 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:48,125 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788819813] [2022-02-21 04:17:48,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:48,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:48,130 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:48,134 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:48,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:48,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1655309599, now seen corresponding path program 1 times [2022-02-21 04:17:48,135 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:48,135 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218590504] [2022-02-21 04:17:48,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:48,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:48,153 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:48,170 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:50,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:17:50 BoogieIcfgContainer [2022-02-21 04:17:50,875 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:17:50,875 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:17:50,875 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:17:50,876 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:17:50,876 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:47" (3/4) ... [2022-02-21 04:17:50,878 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:17:50,916 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:17:50,917 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:17:50,918 INFO L158 Benchmark]: Toolchain (without parser) took 4766.63ms. Allocated memory was 90.2MB in the beginning and 155.2MB in the end (delta: 65.0MB). Free memory was 54.5MB in the beginning and 45.2MB in the end (delta: 9.4MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2022-02-21 04:17:50,919 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory was 60.3MB in the beginning and 60.3MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:17:50,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.49ms. Allocated memory is still 90.2MB. Free memory was 54.3MB in the beginning and 54.5MB in the end (delta: -244.5kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-21 04:17:50,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.89ms. Allocated memory is still 90.2MB. Free memory was 54.5MB in the beginning and 51.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:50,919 INFO L158 Benchmark]: Boogie Preprocessor took 35.34ms. Allocated memory is still 90.2MB. Free memory was 51.4MB in the beginning and 49.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:50,921 INFO L158 Benchmark]: RCFGBuilder took 369.28ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 49.3MB in the beginning and 96.3MB in the end (delta: -47.0MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2022-02-21 04:17:50,922 INFO L158 Benchmark]: BuchiAutomizer took 3834.89ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 96.3MB in the beginning and 47.2MB in the end (delta: 49.0MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. [2022-02-21 04:17:50,922 INFO L158 Benchmark]: Witness Printer took 41.46ms. Allocated memory is still 155.2MB. Free memory was 47.2MB in the beginning and 45.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:50,923 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory was 60.3MB in the beginning and 60.3MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.49ms. Allocated memory is still 90.2MB. Free memory was 54.3MB in the beginning and 54.5MB in the end (delta: -244.5kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.89ms. Allocated memory is still 90.2MB. Free memory was 54.5MB in the beginning and 51.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.34ms. Allocated memory is still 90.2MB. Free memory was 51.4MB in the beginning and 49.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.28ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 49.3MB in the beginning and 96.3MB in the end (delta: -47.0MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3834.89ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 96.3MB in the beginning and 47.2MB in the end (delta: 49.0MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. * Witness Printer took 41.46ms. Allocated memory is still 155.2MB. Free memory was 47.2MB in the beginning and 45.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 89 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 89 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 471 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 471 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 119 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 73]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5de3049d=0, NULL=0, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f229f26=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16b34858=0, NULL=1, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d0fea43=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77a7bb83=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fd34e19=29, methaneLevelCritical=0, retValue_acc=0, tmp=1, \result=1, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@228b63cd=0, tmp=1, tmp___2=29, tmp=0, cleanupTimeShifts=4, \result=0, tmp=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@377a55a8=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 73]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L136] int pumpRunning = 0; [L137] int systemActive = 1; [L372] int waterLevel = 1; [L373] int methaneLevelCritical = 0; [L630] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L827] int cleanupTimeShifts = 4; [L900] int retValue_acc ; [L901] int tmp ; [L905] FCALL select_helpers() [L906] FCALL select_features() [L907] CALL, EXPR valid_product() [L336] int retValue_acc ; [L339] retValue_acc = 1 [L340] return (retValue_acc); [L907] RET, EXPR valid_product() [L907] tmp = valid_product() [L909] COND TRUE \read(tmp) [L911] FCALL setup() [L912] CALL runTest() [L894] CALL test() [L64] int splverifierCounter ; [L65] int tmp ; [L66] int tmp___0 ; [L67] int tmp___1 ; [L68] int tmp___2 ; [L71] splverifierCounter = 0 Loop: [L73] COND TRUE 1 [L75] COND TRUE splverifierCounter < 4 [L81] tmp = __VERIFIER_nondet_int() [L83] COND FALSE !(\read(tmp)) [L91] tmp___0 = __VERIFIER_nondet_int() [L93] COND FALSE !(\read(tmp___0)) [L101] tmp___2 = __VERIFIER_nondet_int() [L103] COND TRUE \read(tmp___2) [L116] CALL timeShift() [L144] COND FALSE !(\read(pumpRunning)) [L151] COND TRUE \read(systemActive) [L153] CALL processEnvironment() [L173] int tmp ; [L176] COND FALSE !(\read(pumpRunning)) [L191] FCALL processEnvironment__wrappee__base() [L153] RET processEnvironment() [L159] CALL __utac_acc__Specification4_spec__1() [L347] int tmp ; [L348] int tmp___0 ; [L352] CALL, EXPR getWaterLevel() [L443] int retValue_acc ; [L446] retValue_acc = waterLevel [L447] return (retValue_acc); [L352] RET, EXPR getWaterLevel() [L352] tmp = getWaterLevel() [L354] COND FALSE !(tmp == 0) [L159] RET __utac_acc__Specification4_spec__1() [L116] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:17:50,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)