./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product31.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_spec2_product31.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 bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:37:50,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:37:50,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:37:50,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:37:50,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:37:50,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:37:50,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:37:50,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:37:50,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:37:50,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:37:50,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:37:50,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:37:50,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:37:50,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:37:50,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:37:50,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:37:50,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:37:50,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:37:50,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:37:50,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:37:50,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:37:50,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:37:50,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:37:50,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:37:50,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:37:50,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:37:50,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:37:50,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:37:50,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:37:50,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:37:50,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:37:50,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:37:50,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:37:50,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:37:50,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:37:50,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:37:50,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:37:50,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:37:50,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:37:50,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:37:50,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:37:50,487 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-14 23:37:50,511 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:37:50,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:37:50,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:37:50,512 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:37:50,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:37:50,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:37:50,513 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:37:50,513 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:37:50,513 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:37:50,513 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:37:50,514 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:37:50,514 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:37:50,514 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:37:50,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:37:50,514 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 23:37:50,515 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:37:50,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:37:50,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 23:37:50,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:37:50,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:37:50,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:37:50,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:37:50,516 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 23:37:50,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:37:50,517 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:37:50,517 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:37:50,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:37:50,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:37:50,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:37:50,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:37:50,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:37:50,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:37:50,519 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:37:50,519 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bda183060f847dd51d7e0728c1fd62bc6790c04aa5197b907e94467526762377 [2021-12-14 23:37:50,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:37:50,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:37:50,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:37:50,752 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:37:50,752 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:37:50,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2021-12-14 23:37:50,791 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9eed2651/7f1f270c7d0a4ea39da52931fed481a6/FLAG797bd088e [2021-12-14 23:37:51,165 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:37:51,166 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2021-12-14 23:37:51,183 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9eed2651/7f1f270c7d0a4ea39da52931fed481a6/FLAG797bd088e [2021-12-14 23:37:51,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9eed2651/7f1f270c7d0a4ea39da52931fed481a6 [2021-12-14 23:37:51,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:37:51,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:37:51,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:37:51,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:37:51,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:37:51,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:37:51" (1/1) ... [2021-12-14 23:37:51,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e1b8f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:51, skipping insertion in model container [2021-12-14 23:37:51,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:37:51" (1/1) ... [2021-12-14 23:37:51,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:37:51,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:37:51,747 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_spec2_product31.cil.c[2627,2640] [2021-12-14 23:37:51,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:37:51,819 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:37:51,834 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_spec2_product31.cil.c[2627,2640] [2021-12-14 23:37:51,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:37:51,895 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:37:51,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:51 WrapperNode [2021-12-14 23:37:51,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:37:51,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:37:51,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:37:51,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:37:51,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:51" (1/1) ... [2021-12-14 23:37:51,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:51" (1/1) ... [2021-12-14 23:37:51,945 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 55, calls inlined = 80, statements flattened = 580 [2021-12-14 23:37:51,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:37:51,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:37:51,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:37:51,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:37:51,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:51" (1/1) ... [2021-12-14 23:37:51,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:51" (1/1) ... [2021-12-14 23:37:51,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:51" (1/1) ... [2021-12-14 23:37:51,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:51" (1/1) ... [2021-12-14 23:37:51,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:51" (1/1) ... [2021-12-14 23:37:51,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:51" (1/1) ... [2021-12-14 23:37:51,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:51" (1/1) ... [2021-12-14 23:37:51,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:37:51,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:37:51,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:37:51,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:37:51,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:51" (1/1) ... [2021-12-14 23:37:51,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:37:52,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:37:52,011 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 23:37:52,030 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 23:37:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 23:37:52,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 23:37:52,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:37:52,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:37:52,135 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:37:52,137 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 23:37:52,529 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 23:37:52,535 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 23:37:52,537 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-14 23:37:52,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:52 BoogieIcfgContainer [2021-12-14 23:37:52,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 23:37:52,541 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-14 23:37:52,541 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-14 23:37:52,543 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-14 23:37:52,544 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:37:52,544 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.12 11:37:51" (1/3) ... [2021-12-14 23:37:52,545 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@318531a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:37:52, skipping insertion in model container [2021-12-14 23:37:52,545 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:37:52,545 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:51" (2/3) ... [2021-12-14 23:37:52,546 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@318531a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:37:52, skipping insertion in model container [2021-12-14 23:37:52,546 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:37:52,546 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:52" (3/3) ... [2021-12-14 23:37:52,547 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2021-12-14 23:37:52,586 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-14 23:37:52,586 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-14 23:37:52,586 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-14 23:37:52,586 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-14 23:37:52,586 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-14 23:37:52,586 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-14 23:37:52,586 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-14 23:37:52,587 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-14 23:37:52,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 158 states, 157 states have (on average 1.356687898089172) internal successors, (213), 157 states have internal predecessors, (213), 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 23:37:52,640 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2021-12-14 23:37:52,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:37:52,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:37:52,646 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:52,646 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:52,647 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-14 23:37:52,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 158 states, 157 states have (on average 1.356687898089172) internal successors, (213), 157 states have internal predecessors, (213), 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 23:37:52,667 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2021-12-14 23:37:52,668 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:37:52,668 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:37:52,668 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:52,668 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:52,671 INFO L791 eck$LassoCheckResult]: Stem: 146#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(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 48#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~8#1, main_~tmp~9#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 22#L375true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 130#L368true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 60#L383true main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 115#L876true assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 23#L852true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 67#L760true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 47#L65-2true [2021-12-14 23:37:52,672 INFO L793 eck$LassoCheckResult]: Loop: 47#L65-2true assume !false; 45#L66true assume test_~splverifierCounter~0#1 < 4; 145#L67true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 78#L75true assume !(0 != test_~tmp~0#1); 142#L75-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 46#L85true assume !(0 != test_~tmp___0~0#1); 7#L85-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 109#L95true assume 0 != test_~tmp___2~0#1; 101#L101-2true assume { :begin_inline_timeShift } true; 143#L147true assume !(0 != ~pumpRunning~0); 103#L147-2true assume !(0 != ~systemActive~0); 140#L154-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~8#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 99#L934-1true __utac_acc__Specification2_spec__2_#t~ret45#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret45#1;havoc __utac_acc__Specification2_spec__2_#t~ret45#1; 123#L771true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0; 155#L771-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 104#L164true assume { :end_inline_timeShift } true; 47#L65-2true [2021-12-14 23:37:52,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:52,675 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2021-12-14 23:37:52,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:52,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39701428] [2021-12-14 23:37:52,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:52,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:52,788 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:52,829 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:52,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:52,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1753789110, now seen corresponding path program 1 times [2021-12-14 23:37:52,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:52,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645968311] [2021-12-14 23:37:52,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:52,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:52,846 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:52,851 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:52,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:52,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1916076493, now seen corresponding path program 1 times [2021-12-14 23:37:52,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:52,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264383536] [2021-12-14 23:37:52,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:52,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:37:52,939 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 23:37:52,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:37:52,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264383536] [2021-12-14 23:37:52,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264383536] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:37:52,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:37:52,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:37:52,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935071729] [2021-12-14 23:37:52,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:37:53,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:37:53,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 23:37:53,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 23:37:53,066 INFO L87 Difference]: Start difference. First operand has 158 states, 157 states have (on average 1.356687898089172) internal successors, (213), 157 states have internal predecessors, (213), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 23:37:53,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:37:53,150 INFO L93 Difference]: Finished difference Result 369 states and 480 transitions. [2021-12-14 23:37:53,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 23:37:53,154 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 369 states and 480 transitions. [2021-12-14 23:37:53,156 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 237 [2021-12-14 23:37:53,160 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 369 states to 339 states and 450 transitions. [2021-12-14 23:37:53,161 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 339 [2021-12-14 23:37:53,162 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 339 [2021-12-14 23:37:53,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 339 states and 450 transitions. [2021-12-14 23:37:53,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:37:53,164 INFO L681 BuchiCegarLoop]: Abstraction has 339 states and 450 transitions. [2021-12-14 23:37:53,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states and 450 transitions. [2021-12-14 23:37:53,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 200. [2021-12-14 23:37:53,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 200 states have (on average 1.33) internal successors, (266), 199 states have internal predecessors, (266), 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 23:37:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 266 transitions. [2021-12-14 23:37:53,189 INFO L704 BuchiCegarLoop]: Abstraction has 200 states and 266 transitions. [2021-12-14 23:37:53,189 INFO L587 BuchiCegarLoop]: Abstraction has 200 states and 266 transitions. [2021-12-14 23:37:53,190 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-14 23:37:53,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 200 states and 266 transitions. [2021-12-14 23:37:53,191 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 140 [2021-12-14 23:37:53,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:37:53,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:37:53,191 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:53,192 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 23:37:53,192 INFO L791 eck$LassoCheckResult]: Stem: 690#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(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 623#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~8#1, main_~tmp~9#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 580#L375 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 581#L368 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 636#L383 main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 637#L876 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 582#L852 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 583#L760 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 622#L65-2 [2021-12-14 23:37:53,192 INFO L793 eck$LassoCheckResult]: Loop: 622#L65-2 assume !false; 617#L66 assume test_~splverifierCounter~0#1 < 4; 618#L67 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 657#L75 assume !(0 != test_~tmp~0#1); 607#L75-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 620#L85 assume !(0 != test_~tmp___0~0#1); 553#L85-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 554#L95 assume 0 != test_~tmp___2~0#1; 676#L101-2 assume { :begin_inline_timeShift } true; 677#L147 assume !(0 != ~pumpRunning~0); 678#L147-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 666#L205 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 599#L179-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 600#L171-3 assume { :end_inline_processEnvironment__wrappee__base } true; 557#L179-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 558#L205-1 assume { :end_inline_processEnvironment } true; 645#L154-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret45#1, __utac_acc__Specification2_spec__2_#t~ret46#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~8#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 672#L934-1 __utac_acc__Specification2_spec__2_#t~ret45#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret45#1;havoc __utac_acc__Specification2_spec__2_#t~ret45#1; 673#L771 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0; 597#L771-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 679#L164 assume { :end_inline_timeShift } true; 622#L65-2 [2021-12-14 23:37:53,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:53,193 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2021-12-14 23:37:53,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:53,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574520017] [2021-12-14 23:37:53,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:53,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:53,212 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:53,238 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:53,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:53,238 INFO L85 PathProgramCache]: Analyzing trace with hash -2045589679, now seen corresponding path program 1 times [2021-12-14 23:37:53,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:53,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70906797] [2021-12-14 23:37:53,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:53,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:53,247 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:53,251 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:53,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:53,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1848000520, now seen corresponding path program 1 times [2021-12-14 23:37:53,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:53,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148626612] [2021-12-14 23:37:53,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:53,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:53,271 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:53,284 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:55,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.12 11:37:55 BoogieIcfgContainer [2021-12-14 23:37:55,672 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-14 23:37:55,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 23:37:55,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 23:37:55,673 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 23:37:55,673 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:52" (3/4) ... [2021-12-14 23:37:55,675 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-14 23:37:55,703 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-14 23:37:55,703 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 23:37:55,704 INFO L158 Benchmark]: Toolchain (without parser) took 4133.80ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 103.2MB in the beginning and 46.3MB in the end (delta: 56.9MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2021-12-14 23:37:55,704 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 43.8MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:37:55,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.19ms. Allocated memory is still 132.1MB. Free memory was 102.8MB in the beginning and 99.5MB in the end (delta: 3.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-14 23:37:55,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.18ms. Allocated memory is still 132.1MB. Free memory was 99.1MB in the beginning and 96.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:37:55,705 INFO L158 Benchmark]: Boogie Preprocessor took 41.58ms. Allocated memory is still 132.1MB. Free memory was 96.1MB in the beginning and 94.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:37:55,706 INFO L158 Benchmark]: RCFGBuilder took 551.92ms. Allocated memory is still 132.1MB. Free memory was 93.7MB in the beginning and 72.9MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-14 23:37:55,706 INFO L158 Benchmark]: BuchiAutomizer took 3131.60ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 72.9MB in the beginning and 49.3MB in the end (delta: 23.6MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2021-12-14 23:37:55,706 INFO L158 Benchmark]: Witness Printer took 30.86ms. Allocated memory is still 159.4MB. Free memory was 49.3MB in the beginning and 46.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:37:55,708 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 43.8MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.19ms. Allocated memory is still 132.1MB. Free memory was 102.8MB in the beginning and 99.5MB in the end (delta: 3.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.18ms. Allocated memory is still 132.1MB. Free memory was 99.1MB in the beginning and 96.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.58ms. Allocated memory is still 132.1MB. Free memory was 96.1MB in the beginning and 94.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 551.92ms. Allocated memory is still 132.1MB. Free memory was 93.7MB in the beginning and 72.9MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 3131.60ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 72.9MB in the beginning and 49.3MB in the end (delta: 23.6MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. * Witness Printer took 30.86ms. Allocated memory is still 159.4MB. Free memory was 49.3MB in the beginning and 46.3MB in the end (delta: 3.0MB). 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 200 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. 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, 139 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 200 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 938 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 938 mSDsluCounter, 1025 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 817 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 208 mSDtfsCounter, 38 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: 65]: 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, retValue_acc=0, tmp=0, NULL=0, head=0, pumpRunning=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c7a1680=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4048a0c3=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4aff7280=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bce57f2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62ab5272=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45b02e16=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a9b6569=0, methaneLevelCritical=0, \result=0, tmp=0, retValue_acc=0, \result=1, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@586141df=0, tmp___2=29, tmp=1, methAndRunningLastTime=0, tmp=0, cleanupTimeShifts=4, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@93f68e8=0, tmp=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp___0=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L139] int pumpRunning = 0; [L140] int systemActive = 1; [L557] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L754] int methAndRunningLastTime ; [L793] int cleanupTimeShifts = 4; [L891] int waterLevel = 1; [L892] int methaneLevelCritical = 0; [L867] int retValue_acc ; [L868] int tmp ; [L872] FCALL select_helpers() [L873] FCALL select_features() [L874] CALL, EXPR valid_product() [L379] int retValue_acc ; [L382] retValue_acc = 1 [L383] return (retValue_acc); [L874] RET, EXPR valid_product() [L874] tmp = valid_product() [L876] COND TRUE \read(tmp) [L878] FCALL setup() [L879] CALL runTest() [L860] CALL __utac_acc__Specification2_spec__1() [L759] methAndRunningLastTime = 0 [L860] RET __utac_acc__Specification2_spec__1() [L861] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L147] COND FALSE !(\read(pumpRunning)) [L154] COND TRUE \read(systemActive) [L156] CALL processEnvironment() [L202] int tmp ; [L205] COND FALSE !(\read(pumpRunning)) [L220] CALL processEnvironment__wrappee__methaneQuery() [L176] int tmp ; [L179] COND FALSE !(\read(pumpRunning)) [L194] FCALL processEnvironment__wrappee__base() [L220] RET processEnvironment__wrappee__methaneQuery() [L156] RET processEnvironment() [L162] CALL __utac_acc__Specification2_spec__2() [L764] int tmp ; [L765] int tmp___0 ; [L769] CALL, EXPR isMethaneLevelCritical() [L930] int retValue_acc ; [L933] retValue_acc = methaneLevelCritical [L934] return (retValue_acc); [L769] RET, EXPR isMethaneLevelCritical() [L769] tmp = isMethaneLevelCritical() [L771] COND FALSE !(\read(tmp)) [L787] methAndRunningLastTime = 0 [L162] RET __utac_acc__Specification2_spec__2() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-14 23:37:55,750 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)