./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b 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/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product03.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 db8fa4142710656a2cf6992c61a703485566be309c58b9bda433457e238bbe1a --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:39:36,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:39:36,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:39:36,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:39:36,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:39:36,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:39:36,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:39:36,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:39:36,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:39:36,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:39:36,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:39:36,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:39:36,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:39:36,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:39:36,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:39:36,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:39:36,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:39:36,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:39:36,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:39:36,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:39:36,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:39:36,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:39:36,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:39:36,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:39:36,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:39:36,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:39:36,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:39:36,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:39:36,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:39:36,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:39:36,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:39:36,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:39:36,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:39:36,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:39:36,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:39:36,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:39:36,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:39:36,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:39:36,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:39:36,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:39:36,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:39:36,613 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-14 23:39:36,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:39:36,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:39:36,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:39:36,628 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:39:36,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:39:36,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:39:36,629 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:39:36,629 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:39:36,630 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:39:36,630 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:39:36,630 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:39:36,630 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:39:36,630 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:39:36,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:39:36,631 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 23:39:36,631 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:39:36,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:39:36,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 23:39:36,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:39:36,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:39:36,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:39:36,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:39:36,632 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 23:39:36,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:39:36,632 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:39:36,632 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:39:36,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:39:36,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:39:36,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:39:36,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:39:36,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:39:36,633 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:39:36,634 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:39:36,634 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db8fa4142710656a2cf6992c61a703485566be309c58b9bda433457e238bbe1a [2021-12-14 23:39:36,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:39:36,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:39:36,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:39:36,831 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:39:36,831 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:39:36,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c [2021-12-14 23:39:36,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0442ffb5e/6466d9e782c149a1a0354fe373869d32/FLAGfe71f56c9 [2021-12-14 23:39:37,261 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:39:37,261 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c [2021-12-14 23:39:37,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0442ffb5e/6466d9e782c149a1a0354fe373869d32/FLAGfe71f56c9 [2021-12-14 23:39:37,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0442ffb5e/6466d9e782c149a1a0354fe373869d32 [2021-12-14 23:39:37,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:39:37,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:39:37,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:39:37,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:39:37,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:39:37,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:39:37" (1/1) ... [2021-12-14 23:39:37,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1acac523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:37, skipping insertion in model container [2021-12-14 23:39:37,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:39:37" (1/1) ... [2021-12-14 23:39:37,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:39:37,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:39:37,464 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_product03.cil.c[1605,1618] [2021-12-14 23:39:37,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:39:37,559 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:39:37,567 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_product03.cil.c[1605,1618] [2021-12-14 23:39:37,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:39:37,618 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:39:37,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:37 WrapperNode [2021-12-14 23:39:37,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:39:37,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:39:37,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:39:37,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:39:37,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:37" (1/1) ... [2021-12-14 23:39:37,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:37" (1/1) ... [2021-12-14 23:39:37,673 INFO L137 Inliner]: procedures = 52, calls = 149, calls flagged for inlining = 46, calls inlined = 41, statements flattened = 325 [2021-12-14 23:39:37,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:39:37,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:39:37,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:39:37,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:39:37,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:37" (1/1) ... [2021-12-14 23:39:37,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:37" (1/1) ... [2021-12-14 23:39:37,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:37" (1/1) ... [2021-12-14 23:39:37,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:37" (1/1) ... [2021-12-14 23:39:37,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:37" (1/1) ... [2021-12-14 23:39:37,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:37" (1/1) ... [2021-12-14 23:39:37,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:37" (1/1) ... [2021-12-14 23:39:37,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:39:37,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:39:37,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:39:37,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:39:37,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:37" (1/1) ... [2021-12-14 23:39:37,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:39:37,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:39:37,747 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) [2021-12-14 23:39:37,748 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 [2021-12-14 23:39:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 23:39:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 23:39:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:39:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:39:37,829 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:39:37,837 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 23:39:38,040 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 23:39:38,045 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 23:39:38,045 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-14 23:39:38,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:39:38 BoogieIcfgContainer [2021-12-14 23:39:38,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 23:39:38,047 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-14 23:39:38,047 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-14 23:39:38,050 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-14 23:39:38,050 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:39:38,050 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.12 11:39:37" (1/3) ... [2021-12-14 23:39:38,051 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@447b3f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:39:38, skipping insertion in model container [2021-12-14 23:39:38,051 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:39:38,051 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:39:37" (2/3) ... [2021-12-14 23:39:38,051 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@447b3f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:39:38, skipping insertion in model container [2021-12-14 23:39:38,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:39:38,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:39:38" (3/3) ... [2021-12-14 23:39:38,053 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product03.cil.c [2021-12-14 23:39:38,080 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-14 23:39:38,080 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-14 23:39:38,080 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-14 23:39:38,080 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-14 23:39:38,080 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-14 23:39:38,081 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-14 23:39:38,081 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-14 23:39:38,081 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-14 23:39:38,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 89 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:39:38,108 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2021-12-14 23:39:38,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:39:38,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:39:38,113 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:39:38,113 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:39:38,114 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-14 23:39:38,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 89 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:39:38,120 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2021-12-14 23:39:38,120 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:39:38,120 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:39:38,121 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:39:38,121 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:39:38,124 INFO L791 eck$LassoCheckResult]: Stem: 71#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 54#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 16#L553true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 47#L546true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 5#L561true main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 26#L517true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 90#L488true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 32#L774true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 55#L710-2true [2021-12-14 23:39:38,125 INFO L793 eck$LassoCheckResult]: Loop: 55#L710-2true assume !false; 60#L711true assume test_~splverifierCounter~0#1 < 4; 87#L712true test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 42#L720true assume !(0 != test_~tmp~4#1); 62#L720-2true test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 76#L730true assume !(0 != test_~tmp___0~0#1); 70#L730-2true test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 63#L740true assume 0 != test_~tmp___2~0#1; 27#L746-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret42#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 50#L644true __utac_acc__Specification5_spec__2_#t~ret42#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret42#1;havoc __utac_acc__Specification5_spec__2_#t~ret42#1; 69#L784true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 14#L585true assume !(0 != ~pumpRunning~0); 59#L585-2true assume !(0 != ~systemActive~0); 77#L592-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret43#1, __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 67#L892true __utac_acc__Specification5_spec__3_#t~ret43#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret43#1;havoc __utac_acc__Specification5_spec__3_#t~ret43#1; 9#L795true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); 29#L795-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 17#L602true assume { :end_inline_timeShift } true; 55#L710-2true [2021-12-14 23:39:38,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:39:38,130 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2021-12-14 23:39:38,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:39:38,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676608066] [2021-12-14 23:39:38,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:39:38,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:39:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:39:38,207 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:39:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:39:38,268 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:39:38,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:39:38,270 INFO L85 PathProgramCache]: Analyzing trace with hash -2013527700, now seen corresponding path program 1 times [2021-12-14 23:39:38,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:39:38,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963548237] [2021-12-14 23:39:38,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:39:38,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:39:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:39:38,283 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:39:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:39:38,289 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:39:38,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:39:38,291 INFO L85 PathProgramCache]: Analyzing trace with hash 942087189, now seen corresponding path program 1 times [2021-12-14 23:39:38,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:39:38,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024182544] [2021-12-14 23:39:38,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:39:38,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:39:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:39:38,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:39:38,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:39:38,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024182544] [2021-12-14 23:39:38,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024182544] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:39:38,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:39:38,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:39:38,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147527455] [2021-12-14 23:39:38,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:39:38,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:39:38,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 23:39:38,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 23:39:38,531 INFO L87 Difference]: Start difference. First operand has 89 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 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 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:39:38,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:39:38,642 INFO L93 Difference]: Finished difference Result 237 states and 300 transitions. [2021-12-14 23:39:38,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 23:39:38,646 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 237 states and 300 transitions. [2021-12-14 23:39:38,653 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 149 [2021-12-14 23:39:38,657 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 237 states to 207 states and 270 transitions. [2021-12-14 23:39:38,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2021-12-14 23:39:38,658 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2021-12-14 23:39:38,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 270 transitions. [2021-12-14 23:39:38,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:39:38,659 INFO L681 BuchiCegarLoop]: Abstraction has 207 states and 270 transitions. [2021-12-14 23:39:38,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 270 transitions. [2021-12-14 23:39:38,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 137. [2021-12-14 23:39:38,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.3065693430656935) internal successors, (179), 136 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:39:38,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 179 transitions. [2021-12-14 23:39:38,682 INFO L704 BuchiCegarLoop]: Abstraction has 137 states and 179 transitions. [2021-12-14 23:39:38,683 INFO L587 BuchiCegarLoop]: Abstraction has 137 states and 179 transitions. [2021-12-14 23:39:38,683 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-14 23:39:38,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 179 transitions. [2021-12-14 23:39:38,684 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 98 [2021-12-14 23:39:38,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:39:38,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:39:38,685 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:39:38,685 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] [2021-12-14 23:39:38,685 INFO L791 eck$LassoCheckResult]: Stem: 419#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 409#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 362#L553 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 363#L546 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 344#L561 main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 345#L517 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 378#L488 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 385#L774 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 365#L710-2 [2021-12-14 23:39:38,686 INFO L793 eck$LassoCheckResult]: Loop: 365#L710-2 assume !false; 410#L711 assume test_~splverifierCounter~0#1 < 4; 412#L712 test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 396#L720 assume !(0 != test_~tmp~4#1); 359#L720-2 test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 413#L730 assume !(0 != test_~tmp___0~0#1); 418#L730-2 test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 414#L740 assume 0 != test_~tmp___2~0#1; 379#L746-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret42#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 380#L644 __utac_acc__Specification5_spec__2_#t~ret42#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret42#1;havoc __utac_acc__Specification5_spec__2_#t~ret42#1; 403#L784 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 360#L585 assume !(0 != ~pumpRunning~0); 361#L585-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 368#L609 assume { :end_inline_processEnvironment } true; 369#L592-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret43#1, __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 416#L892 __utac_acc__Specification5_spec__3_#t~ret43#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret43#1;havoc __utac_acc__Specification5_spec__3_#t~ret43#1; 350#L795 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); 352#L795-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 364#L602 assume { :end_inline_timeShift } true; 365#L710-2 [2021-12-14 23:39:38,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:39:38,686 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2021-12-14 23:39:38,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:39:38,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52031979] [2021-12-14 23:39:38,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:39:38,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:39:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:39:38,699 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:39:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:39:38,712 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:39:38,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:39:38,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1661915626, now seen corresponding path program 1 times [2021-12-14 23:39:38,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:39:38,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717997739] [2021-12-14 23:39:38,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:39:38,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:39:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:39:38,717 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:39:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:39:38,722 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:39:38,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:39:38,722 INFO L85 PathProgramCache]: Analyzing trace with hash -232167283, now seen corresponding path program 1 times [2021-12-14 23:39:38,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:39:38,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123311187] [2021-12-14 23:39:38,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:39:38,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:39:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:39:38,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:39:38,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:39:38,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123311187] [2021-12-14 23:39:38,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123311187] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:39:38,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:39:38,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 23:39:38,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924666050] [2021-12-14 23:39:38,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:39:38,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:39:38,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 23:39:38,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 23:39:38,861 INFO L87 Difference]: Start difference. First operand 137 states and 179 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:39:38,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:39:38,953 INFO L93 Difference]: Finished difference Result 353 states and 459 transitions. [2021-12-14 23:39:38,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 23:39:38,954 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 353 states and 459 transitions. [2021-12-14 23:39:38,961 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 238 [2021-12-14 23:39:38,966 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 353 states to 353 states and 459 transitions. [2021-12-14 23:39:38,967 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 353 [2021-12-14 23:39:38,968 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 353 [2021-12-14 23:39:38,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 353 states and 459 transitions. [2021-12-14 23:39:38,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:39:38,973 INFO L681 BuchiCegarLoop]: Abstraction has 353 states and 459 transitions. [2021-12-14 23:39:38,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states and 459 transitions. [2021-12-14 23:39:38,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 264. [2021-12-14 23:39:38,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 264 states have (on average 1.2878787878787878) internal successors, (340), 263 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:39:38,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 340 transitions. [2021-12-14 23:39:38,992 INFO L704 BuchiCegarLoop]: Abstraction has 264 states and 340 transitions. [2021-12-14 23:39:38,992 INFO L587 BuchiCegarLoop]: Abstraction has 264 states and 340 transitions. [2021-12-14 23:39:38,992 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-14 23:39:38,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 264 states and 340 transitions. [2021-12-14 23:39:38,995 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 194 [2021-12-14 23:39:38,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:39:38,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:39:38,996 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:39:38,997 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, 1, 1] [2021-12-14 23:39:38,997 INFO L791 eck$LassoCheckResult]: Stem: 943#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 927#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 867#L553 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 868#L546 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 852#L561 main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 853#L517 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 886#L488 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 893#L774 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 894#L710-2 [2021-12-14 23:39:38,997 INFO L793 eck$LassoCheckResult]: Loop: 894#L710-2 assume !false; 1075#L711 assume test_~splverifierCounter~0#1 < 4; 1073#L712 test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1072#L720 assume !(0 != test_~tmp~4#1); 935#L720-2 test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 936#L730 assume !(0 != test_~tmp___0~0#1); 941#L730-2 test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 942#L740 assume 0 != test_~tmp___2~0#1; 1098#L746-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret42#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 1097#L644 __utac_acc__Specification5_spec__2_#t~ret42#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret42#1;havoc __utac_acc__Specification5_spec__2_#t~ret42#1; 1096#L784 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 865#L585 assume !(0 != ~pumpRunning~0); 866#L585-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 873#L609 assume { :end_inline_processEnvironment } true; 874#L592-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret43#1, __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 1083#L892 __utac_acc__Specification5_spec__3_#t~ret43#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret43#1;havoc __utac_acc__Specification5_spec__3_#t~ret43#1; 856#L795 assume 2 != __utac_acc__Specification5_spec__3_~tmp~5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 857#L644-1 __utac_acc__Specification5_spec__3_#t~ret44#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret44#1;havoc __utac_acc__Specification5_spec__3_#t~ret44#1; 939#L799 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1); 1080#L795-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1079#L602 assume { :end_inline_timeShift } true; 894#L710-2 [2021-12-14 23:39:38,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:39:38,998 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2021-12-14 23:39:38,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:39:38,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492807653] [2021-12-14 23:39:38,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:39:38,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:39:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:39:39,023 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:39:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:39:39,037 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:39:39,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:39:39,041 INFO L85 PathProgramCache]: Analyzing trace with hash 607818289, now seen corresponding path program 1 times [2021-12-14 23:39:39,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:39:39,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32558970] [2021-12-14 23:39:39,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:39:39,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:39:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:39:39,048 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:39:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:39:39,058 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:39:39,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:39:39,061 INFO L85 PathProgramCache]: Analyzing trace with hash 206441192, now seen corresponding path program 1 times [2021-12-14 23:39:39,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:39:39,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487865077] [2021-12-14 23:39:39,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:39:39,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:39:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:39:39,072 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:39:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:39:39,095 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:39:41,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.12 11:39:41 BoogieIcfgContainer [2021-12-14 23:39:41,370 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-14 23:39:41,370 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 23:39:41,370 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 23:39:41,370 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 23:39:41,371 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:39:38" (3/4) ... [2021-12-14 23:39:41,372 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-14 23:39:41,409 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-14 23:39:41,410 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 23:39:41,410 INFO L158 Benchmark]: Toolchain (without parser) took 4127.16ms. Allocated memory was 96.5MB in the beginning and 151.0MB in the end (delta: 54.5MB). Free memory was 63.6MB in the beginning and 67.2MB in the end (delta: -3.6MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2021-12-14 23:39:41,410 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory was 53.4MB in the beginning and 53.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:39:41,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.43ms. Allocated memory is still 96.5MB. Free memory was 63.4MB in the beginning and 64.3MB in the end (delta: -889.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-14 23:39:41,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.58ms. Allocated memory is still 96.5MB. Free memory was 64.3MB in the beginning and 61.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:39:41,414 INFO L158 Benchmark]: Boogie Preprocessor took 35.29ms. Allocated memory is still 96.5MB. Free memory was 61.5MB in the beginning and 60.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:39:41,415 INFO L158 Benchmark]: RCFGBuilder took 336.93ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 60.1MB in the beginning and 95.9MB in the end (delta: -35.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-12-14 23:39:41,416 INFO L158 Benchmark]: BuchiAutomizer took 3322.31ms. Allocated memory was 121.6MB in the beginning and 151.0MB in the end (delta: 29.4MB). Free memory was 95.4MB in the beginning and 70.3MB in the end (delta: 25.1MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2021-12-14 23:39:41,416 INFO L158 Benchmark]: Witness Printer took 39.65ms. Allocated memory is still 151.0MB. Free memory was 70.3MB in the beginning and 67.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:39:41,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory was 53.4MB in the beginning and 53.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.43ms. Allocated memory is still 96.5MB. Free memory was 63.4MB in the beginning and 64.3MB in the end (delta: -889.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.58ms. Allocated memory is still 96.5MB. Free memory was 64.3MB in the beginning and 61.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.29ms. Allocated memory is still 96.5MB. Free memory was 61.5MB in the beginning and 60.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 336.93ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 60.1MB in the beginning and 95.9MB in the end (delta: -35.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 3322.31ms. Allocated memory was 121.6MB in the beginning and 151.0MB in the end (delta: 29.4MB). Free memory was 95.4MB in the beginning and 70.3MB in the end (delta: 25.1MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. * Witness Printer took 39.65ms. Allocated memory is still 151.0MB. Free memory was 70.3MB in the beginning and 67.2MB in the end (delta: 3.1MB). 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 264 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 159 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 264 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 666 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 666 mSDsluCounter, 1165 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 933 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 232 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 710]: 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, NULL=0, head=0, pumpRunning=0, retValue_acc=0, tmp___0=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7327012a=0, retValue_acc=1, methaneLevelCritical=0, retValue_acc=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f17798d=0, \result=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51999366=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f3bac1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d8a4e83=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e0d6c5d=29, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@279a37cd=0, \result=0, tmp=1, cleanupTimeShifts=4, switchedOnBeforeTS=0, \result=0, tmp___0=0, head=0, \result=1, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2fad36a2=0, NULL=0, waterLevel=1, systemActive=1, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 710]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L425] int cleanupTimeShifts = 4; [L573] int pumpRunning = 0; [L574] int systemActive = 1; [L768] int switchedOnBeforeTS ; [L817] int waterLevel = 1; [L818] int methaneLevelCritical = 0; [L508] int retValue_acc ; [L509] int tmp ; [L513] FCALL select_helpers() [L514] FCALL select_features() [L515] CALL, EXPR valid_product() [L557] int retValue_acc ; [L560] retValue_acc = 1 [L561] return (retValue_acc); [L515] RET, EXPR valid_product() [L515] tmp = valid_product() [L517] COND TRUE \read(tmp) [L519] FCALL setup() [L520] CALL runTest() [L498] CALL __utac_acc__Specification5_spec__1() [L773] switchedOnBeforeTS = 0 [L498] RET __utac_acc__Specification5_spec__1() [L499] CALL test() [L701] int splverifierCounter ; [L702] int tmp ; [L703] int tmp___0 ; [L704] int tmp___1 ; [L705] int tmp___2 ; [L708] splverifierCounter = 0 Loop: [L710] COND TRUE 1 [L712] COND TRUE splverifierCounter < 4 [L718] tmp = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp)) [L728] tmp___0 = __VERIFIER_nondet_int() [L730] COND FALSE !(\read(tmp___0)) [L738] tmp___2 = __VERIFIER_nondet_int() [L740] COND TRUE \read(tmp___2) [L755] CALL timeShift() [L583] CALL __utac_acc__Specification5_spec__2() [L782] CALL, EXPR isPumpRunning() [L640] int retValue_acc ; [L643] retValue_acc = pumpRunning [L644] return (retValue_acc); [L782] RET, EXPR isPumpRunning() [L782] switchedOnBeforeTS = isPumpRunning() [L583] RET __utac_acc__Specification5_spec__2() [L585] COND FALSE !(\read(pumpRunning)) [L592] COND TRUE \read(systemActive) [L594] FCALL processEnvironment() [L600] CALL __utac_acc__Specification5_spec__3() [L788] int tmp ; [L789] int tmp___0 ; [L793] CALL, EXPR getWaterLevel() [L888] int retValue_acc ; [L891] retValue_acc = waterLevel [L892] return (retValue_acc); [L793] RET, EXPR getWaterLevel() [L793] tmp = getWaterLevel() [L795] COND TRUE tmp != 2 [L797] CALL, EXPR isPumpRunning() [L640] int retValue_acc ; [L643] retValue_acc = pumpRunning [L644] return (retValue_acc); [L797] RET, EXPR isPumpRunning() [L797] tmp___0 = isPumpRunning() [L799] COND FALSE !(\read(tmp___0)) [L600] RET __utac_acc__Specification5_spec__3() [L755] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-14 23:39:41,454 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)