./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ae007674 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_spec4_product01.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 9e1f50e371f5b814186a57854319e9843da0975e82265b9caee22e9ced53be79 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 09:40:59,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 09:40:59,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 09:40:59,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 09:40:59,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 09:40:59,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 09:40:59,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 09:40:59,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 09:40:59,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 09:40:59,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 09:40:59,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 09:40:59,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 09:40:59,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 09:40:59,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 09:40:59,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 09:40:59,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 09:40:59,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 09:40:59,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 09:40:59,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 09:40:59,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 09:40:59,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 09:40:59,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 09:40:59,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 09:40:59,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 09:40:59,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 09:40:59,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 09:40:59,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 09:40:59,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 09:40:59,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 09:40:59,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 09:40:59,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 09:40:59,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 09:40:59,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 09:40:59,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 09:40:59,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 09:40:59,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 09:40:59,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 09:40:59,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 09:40:59,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 09:40:59,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 09:40:59,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 09:40:59,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-28 09:40:59,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 09:40:59,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 09:40:59,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 09:40:59,240 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 09:40:59,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 09:40:59,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 09:40:59,243 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 09:40:59,243 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-28 09:40:59,243 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-28 09:40:59,243 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-28 09:40:59,244 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-28 09:40:59,244 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-28 09:40:59,245 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-28 09:40:59,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 09:40:59,245 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 09:40:59,245 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 09:40:59,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 09:40:59,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 09:40:59,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 09:40:59,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-28 09:40:59,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-28 09:40:59,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-28 09:40:59,247 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 09:40:59,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 09:40:59,247 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-28 09:40:59,247 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 09:40:59,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-28 09:40:59,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 09:40:59,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 09:40:59,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 09:40:59,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 09:40:59,250 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-28 09:40:59,250 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e1f50e371f5b814186a57854319e9843da0975e82265b9caee22e9ced53be79 [2021-12-28 09:40:59,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 09:40:59,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 09:40:59,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 09:40:59,592 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 09:40:59,593 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 09:40:59,595 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2021-12-28 09:40:59,650 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/360add404/a940e595e0be4ded919b78e56333408b/FLAG23afcb2cd [2021-12-28 09:41:00,140 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 09:41:00,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2021-12-28 09:41:00,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/360add404/a940e595e0be4ded919b78e56333408b/FLAG23afcb2cd [2021-12-28 09:41:00,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/360add404/a940e595e0be4ded919b78e56333408b [2021-12-28 09:41:00,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 09:41:00,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 09:41:00,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 09:41:00,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 09:41:00,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 09:41:00,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:41:00" (1/1) ... [2021-12-28 09:41:00,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288ebd87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:00, skipping insertion in model container [2021-12-28 09:41:00,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:41:00" (1/1) ... [2021-12-28 09:41:00,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 09:41:00,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 09:41:00,847 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_product01.cil.c[1605,1618] [2021-12-28 09:41:00,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:41:00,995 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 09:41:01,008 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_product01.cil.c[1605,1618] [2021-12-28 09:41:01,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:41:01,076 INFO L208 MainTranslator]: Completed translation [2021-12-28 09:41:01,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:01 WrapperNode [2021-12-28 09:41:01,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 09:41:01,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 09:41:01,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 09:41:01,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 09:41:01,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:01" (1/1) ... [2021-12-28 09:41:01,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:01" (1/1) ... [2021-12-28 09:41:01,135 INFO L137 Inliner]: procedures = 49, calls = 144, calls flagged for inlining = 41, calls inlined = 32, statements flattened = 278 [2021-12-28 09:41:01,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 09:41:01,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 09:41:01,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 09:41:01,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 09:41:01,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:01" (1/1) ... [2021-12-28 09:41:01,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:01" (1/1) ... [2021-12-28 09:41:01,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:01" (1/1) ... [2021-12-28 09:41:01,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:01" (1/1) ... [2021-12-28 09:41:01,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:01" (1/1) ... [2021-12-28 09:41:01,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:01" (1/1) ... [2021-12-28 09:41:01,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:01" (1/1) ... [2021-12-28 09:41:01,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 09:41:01,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 09:41:01,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 09:41:01,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 09:41:01,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:01" (1/1) ... [2021-12-28 09:41:01,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:41:01,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:41:01,270 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) [2021-12-28 09:41:01,275 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 [2021-12-28 09:41:01,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 09:41:01,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 09:41:01,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 09:41:01,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 09:41:01,370 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 09:41:01,371 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 09:41:01,646 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 09:41:01,651 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 09:41:01,652 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-28 09:41:01,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:41:01 BoogieIcfgContainer [2021-12-28 09:41:01,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 09:41:01,654 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-28 09:41:01,654 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-28 09:41:01,657 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-28 09:41:01,657 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:41:01,658 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.12 09:41:00" (1/3) ... [2021-12-28 09:41:01,658 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fcdb70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:41:01, skipping insertion in model container [2021-12-28 09:41:01,659 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:41:01,659 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:41:01" (2/3) ... [2021-12-28 09:41:01,659 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fcdb70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:41:01, skipping insertion in model container [2021-12-28 09:41:01,659 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:41:01,659 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:41:01" (3/3) ... [2021-12-28 09:41:01,660 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2021-12-28 09:41:01,695 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-28 09:41:01,696 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-28 09:41:01,696 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-28 09:41:01,696 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-28 09:41:01,696 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-28 09:41:01,696 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-28 09:41:01,696 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-28 09:41:01,696 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-28 09:41:01,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 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) [2021-12-28 09:41:01,727 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2021-12-28 09:41:01,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:41:01,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:41:01,732 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:41:01,746 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:41:01,746 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-28 09:41:01,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 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) [2021-12-28 09:41:01,751 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2021-12-28 09:41:01,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:41:01,752 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:41:01,753 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:41:01,753 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:41:01,757 INFO L791 eck$LassoCheckResult]: Stem: 61#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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 48#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 60#L84true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 13#L77true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 52#L92true main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 28#L184true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 34#L160true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 7#L322-2true [2021-12-28 09:41:01,760 INFO L793 eck$LassoCheckResult]: Loop: 7#L322-2true assume !false; 6#L323true assume test_~splverifierCounter~0#1 < 4; 27#L324true test_~tmp~1#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 37#L332true assume !(0 != test_~tmp~1#1); 32#L332-2true test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 43#L342true assume !(0 != test_~tmp___0~0#1); 76#L342-2true test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 45#L352true assume 0 != test_~tmp___2~0#1; 63#L358-2true assume { :begin_inline_timeShift } true; 10#L212true assume !(0 != ~pumpRunning~0); 72#L212-2true assume !(0 != ~systemActive~0); 24#L219-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret24#1, __utac_acc__Specification4_spec__1_#t~ret25#1, __utac_acc__Specification4_spec__1_~tmp~2#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~2#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#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; 53#L453true __utac_acc__Specification4_spec__1_#t~ret24#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~2#1 := __utac_acc__Specification4_spec__1_#t~ret24#1;havoc __utac_acc__Specification4_spec__1_#t~ret24#1; 71#L466true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2#1); 9#L466-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 74#L229true assume { :end_inline_timeShift } true; 7#L322-2true [2021-12-28 09:41:01,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:41:01,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-28 09:41:01,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:41:01,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2796451] [2021-12-28 09:41:01,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:41:01,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:41:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:01,943 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:41:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:02,004 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:41:02,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:41:02,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1686806396, now seen corresponding path program 1 times [2021-12-28 09:41:02,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:41:02,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495896504] [2021-12-28 09:41:02,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:41:02,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:41:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:02,024 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:41:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:02,030 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:41:02,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:41:02,033 INFO L85 PathProgramCache]: Analyzing trace with hash -331387320, now seen corresponding path program 1 times [2021-12-28 09:41:02,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:41:02,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712807662] [2021-12-28 09:41:02,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:41:02,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:41:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:41:02,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:41:02,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:41:02,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712807662] [2021-12-28 09:41:02,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712807662] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:41:02,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:41:02,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 09:41:02,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061776324] [2021-12-28 09:41:02,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:41:02,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:41:02,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 09:41:02,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 09:41:02,291 INFO L87 Difference]: Start difference. First operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 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) [2021-12-28 09:41:02,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:41:02,368 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2021-12-28 09:41:02,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 09:41:02,376 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 88 transitions. [2021-12-28 09:41:02,381 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 42 [2021-12-28 09:41:02,385 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 62 states and 78 transitions. [2021-12-28 09:41:02,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 62 [2021-12-28 09:41:02,386 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 62 [2021-12-28 09:41:02,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 78 transitions. [2021-12-28 09:41:02,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:41:02,387 INFO L681 BuchiCegarLoop]: Abstraction has 62 states and 78 transitions. [2021-12-28 09:41:02,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 78 transitions. [2021-12-28 09:41:02,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2021-12-28 09:41:02,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 61 states have internal predecessors, (78), 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) [2021-12-28 09:41:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2021-12-28 09:41:02,429 INFO L704 BuchiCegarLoop]: Abstraction has 62 states and 78 transitions. [2021-12-28 09:41:02,429 INFO L587 BuchiCegarLoop]: Abstraction has 62 states and 78 transitions. [2021-12-28 09:41:02,429 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-28 09:41:02,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 78 transitions. [2021-12-28 09:41:02,430 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 42 [2021-12-28 09:41:02,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:41:02,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:41:02,431 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:41:02,431 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:41:02,431 INFO L791 eck$LassoCheckResult]: Stem: 225#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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 219#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 220#L84 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 181#L77 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 182#L92 main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 199#L184 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 200#L160 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 172#L322-2 [2021-12-28 09:41:02,432 INFO L793 eck$LassoCheckResult]: Loop: 172#L322-2 assume !false; 167#L323 assume test_~splverifierCounter~0#1 < 4; 168#L324 test_~tmp~1#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 196#L332 assume !(0 != test_~tmp~1#1); 208#L332-2 test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 209#L342 assume !(0 != test_~tmp___0~0#1); 185#L342-2 test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 218#L352 assume 0 != test_~tmp___2~0#1; 187#L358-2 assume { :begin_inline_timeShift } true; 175#L212 assume !(0 != ~pumpRunning~0); 176#L212-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 226#L236 assume { :end_inline_processEnvironment } true; 193#L219-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret24#1, __utac_acc__Specification4_spec__1_#t~ret25#1, __utac_acc__Specification4_spec__1_~tmp~2#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~2#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#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; 194#L453 __utac_acc__Specification4_spec__1_#t~ret24#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~2#1 := __utac_acc__Specification4_spec__1_#t~ret24#1;havoc __utac_acc__Specification4_spec__1_#t~ret24#1; 221#L466 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2#1); 173#L466-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 174#L229 assume { :end_inline_timeShift } true; 172#L322-2 [2021-12-28 09:41:02,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:41:02,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-28 09:41:02,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:41:02,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521832997] [2021-12-28 09:41:02,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:41:02,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:41:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:02,463 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:41:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:02,486 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:41:02,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:41:02,486 INFO L85 PathProgramCache]: Analyzing trace with hash -123311071, now seen corresponding path program 1 times [2021-12-28 09:41:02,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:41:02,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112966236] [2021-12-28 09:41:02,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:41:02,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:41:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:02,493 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:41:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:02,497 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:41:02,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:41:02,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1054992675, now seen corresponding path program 1 times [2021-12-28 09:41:02,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:41:02,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006817795] [2021-12-28 09:41:02,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:41:02,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:41:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:02,510 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:41:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:41:02,544 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:41:05,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.12 09:41:05 BoogieIcfgContainer [2021-12-28 09:41:05,321 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-28 09:41:05,322 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 09:41:05,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 09:41:05,333 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 09:41:05,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:41:01" (3/4) ... [2021-12-28 09:41:05,336 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-28 09:41:05,398 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-28 09:41:05,399 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 09:41:05,399 INFO L158 Benchmark]: Toolchain (without parser) took 4734.83ms. Allocated memory was 48.2MB in the beginning and 117.4MB in the end (delta: 69.2MB). Free memory was 22.9MB in the beginning and 49.5MB in the end (delta: -26.5MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2021-12-28 09:41:05,415 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 48.2MB. Free memory was 30.6MB in the beginning and 30.5MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:41:05,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.70ms. Allocated memory was 48.2MB in the beginning and 62.9MB in the end (delta: 14.7MB). Free memory was 22.7MB in the beginning and 40.6MB in the end (delta: -17.8MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-12-28 09:41:05,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.03ms. Allocated memory is still 62.9MB. Free memory was 40.6MB in the beginning and 38.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 09:41:05,417 INFO L158 Benchmark]: Boogie Preprocessor took 58.17ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 36.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:41:05,418 INFO L158 Benchmark]: RCFGBuilder took 458.17ms. Allocated memory is still 62.9MB. Free memory was 36.6MB in the beginning and 35.2MB in the end (delta: 1.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-12-28 09:41:05,418 INFO L158 Benchmark]: BuchiAutomizer took 3667.08ms. Allocated memory was 62.9MB in the beginning and 117.4MB in the end (delta: 54.5MB). Free memory was 35.1MB in the beginning and 51.6MB in the end (delta: -16.4MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2021-12-28 09:41:05,419 INFO L158 Benchmark]: Witness Printer took 76.72ms. Allocated memory is still 117.4MB. Free memory was 51.6MB in the beginning and 49.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 09:41:05,422 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 48.2MB. Free memory was 30.6MB in the beginning and 30.5MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.70ms. Allocated memory was 48.2MB in the beginning and 62.9MB in the end (delta: 14.7MB). Free memory was 22.7MB in the beginning and 40.6MB in the end (delta: -17.8MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.03ms. Allocated memory is still 62.9MB. Free memory was 40.6MB in the beginning and 38.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.17ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 36.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 458.17ms. Allocated memory is still 62.9MB. Free memory was 36.6MB in the beginning and 35.2MB in the end (delta: 1.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3667.08ms. Allocated memory was 62.9MB in the beginning and 117.4MB in the end (delta: 54.5MB). Free memory was 35.1MB in the beginning and 51.6MB in the end (delta: -16.4MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Witness Printer took 76.72ms. Allocated memory is still 117.4MB. Free memory was 51.6MB in the beginning and 49.5MB 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 62 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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 62 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 254 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 254 mSDsluCounter, 87 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, 83 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: 322]: 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@6a09cb57=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@165d1c74=0, NULL=0, head=0, pumpRunning=0, tmp___0=0, NULL=1, tmp___0=0, retValue_acc=1, retValue_acc=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54d18619=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b4f4a64=0, \result=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a1f52e4=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30c9f157=0, tmp___2=29, tmp=0, cleanupTimeShifts=4, tmp=1, \result=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35042e2c=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 322]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L97] int cleanupTimeShifts = 4; [L204] int pumpRunning = 0; [L205] int systemActive = 1; [L378] int waterLevel = 1; [L379] int methaneLevelCritical = 0; [L653] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L175] int retValue_acc ; [L176] int tmp ; [L180] FCALL select_helpers() [L181] FCALL select_features() [L182] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); [L182] RET, EXPR valid_product() [L182] tmp = valid_product() [L184] COND TRUE \read(tmp) [L186] FCALL setup() [L187] CALL runTest() [L169] CALL test() [L313] int splverifierCounter ; [L314] int tmp ; [L315] int tmp___0 ; [L316] int tmp___1 ; [L317] int tmp___2 ; [L320] splverifierCounter = 0 Loop: [L322] COND TRUE 1 [L324] COND TRUE splverifierCounter < 4 [L330] tmp = __VERIFIER_nondet_int() [L332] COND FALSE !(\read(tmp)) [L340] tmp___0 = __VERIFIER_nondet_int() [L342] COND FALSE !(\read(tmp___0)) [L350] tmp___2 = __VERIFIER_nondet_int() [L352] COND TRUE \read(tmp___2) [L365] CALL timeShift() [L212] COND FALSE !(\read(pumpRunning)) [L219] COND TRUE \read(systemActive) [L221] FCALL processEnvironment() [L227] CALL __utac_acc__Specification4_spec__1() [L459] int tmp ; [L460] int tmp___0 ; [L464] CALL, EXPR getWaterLevel() [L449] int retValue_acc ; [L452] retValue_acc = waterLevel [L453] return (retValue_acc); [L464] RET, EXPR getWaterLevel() [L464] tmp = getWaterLevel() [L466] COND FALSE !(tmp == 0) [L227] RET __utac_acc__Specification4_spec__1() [L365] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-28 09:41:05,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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)